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Sony STR-DH720 Service Manual
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Sony STR-DH720 Service Manual

Multi channel av receiver
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STR-DH720/DH720HP
SERVICE MANUAL
Ver. 1.2 2011.10
This receiver incorporates Dolby* Digital and ProLogic Surround and
the DTS** Digital Surround System.
* Manufactured under license from Dolby Laboratories. Dolby,
Pro Logic, and the double-D symbol are trademarks of Dolby
Laboratories.
** Manufactured under license under U.S. Patent #'s: 5,451,942;
5,956,674; 5,974,380; 5,978,762; 6,226,616; 6,487,535; 7,212,872;
7,333,929; 7,392,195; 7,272,567 & other U.S. and worldwide
patents issued & pending. DTS and the Symbol are registered
trademarks, & DTS HD, DTS-HD Master Audio, and the DTS logos
are trademarks of DTS, Inc. Product includes software.© DTS, Inc.
All Rights Reserved.
This receiver incorporates High-Definition Multimedia Interface
(HDMI™) technology. HDMI, the HDMI logo and High-Definition
Multimedia Interface are trademarks or registered trademarks of HDMI
Licensing LLC in the United States and other countries.
"x.v.Color (x.v.Colour)" and "x.v.Color (x.v.Colour)" logo are trademarks
of Sony Corporation.
"BRAVIA" is a trademark of Sony Corporation.
"PlayStation" is a registered trademark of Sony Computer Entertainment
Inc.
The font type (Shin Go R) installed in this receiver is provided by
MORISAWA & COMPANY LTD. These names are the trademarks of
MORISAWA & COMPANY LTD., and the copyright of the font also
belongs to MORISAWA & COMPANY LTD.
iPhone, iPod, iPod classic, iPod nano, and iPod touch are trademarks
of Apple Inc., registered in the U.S. and other countries.
All other trademarks and registered trademarks are of their respective
holders. In this manual, ™ and ® marks are not specifi ed.
"Made for iPod" and "Made for iPhone" mean that an electronic
accessory has been designed to connect specifi cally to iPod or iPhone,
respectively, and has been certified by the developer to meet Apple
performance standards.
Apple is not responsible for the operation of this device or its compliance
with safety and regulatory standards. Please note that the use of this
accessory with iPod or iPhone may affect wireless performance.
MPEG Layer-3 audio coding technology and patents licensed from
Fraunhofer IIS and Thomson.
"WALKMAN" is a registered trademark of Sony Corporation.
"MICROVAULT" is a trademark of Sony Corporation.
Windows Media is either a registered trademark or trademark of Microsoft
Corporation in the United States and/or other countries.
9-890-560-03
Sony Corporation
2011J80-1
©
2011.10
Published by Sony EMCS (Malaysia) PG Tec
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
(US model only)
With 8 ohm loads, both channels driven, from
20 – 20,000 Hz; rated 95 watts per channel
minimum RMS power, with no more than 0.09%
total harmonic distortion from 250 milliwatts to
rated output.
Amplifi er section
US model
1)
Minimum RMS Output Power
(8 ohms, 20 Hz – 20 kHz, THD 0.09%)
95 W + 95 W
Stereo Mode Output Power
(8 ohms, 1 kHz, THD 1%)
105 W + 105 W
Surround Mode Output Power
2)
(8 ohms, 1 kHz, THD 10%)
140 W per channel
CND model
1)
Minimum RMS Output Power
(8 ohms, 20 Hz – 20 kHz, THD 0.09%)
85 W + 85 W
Stereo Mode Output Power
(8 ohms, 1 kHz, THD 1%)
105 W + 105 W
Surround Mode Output Power
2)
(8 ohms, 1 kHz, THD 10%)
140 W per channel
ECE model
1)
Minimum RMS Output Power
(8 ohms, 20 Hz – 20 kHz, THD 0.09%)
85 W + 85 W
Stereo Mode Output Power
(8 ohms, 1 kHz, THD 1%)
100 W + 100 W
Surround Mode Output Power
2)
(8 ohms, 1 kHz, THD 10%)
140 W per channel
MULTI CHANNEL AV RECEIVER
US Model
STR-DH720/DH720HP
Canadian Model
AEP Model
STR-DH720
1)
Measured under the following conditions:
Area
Power requirements
US, CND
120 V AC, 60 Hz
ECE
230 V AC, 50 Hz
2)
Reference power output for front, center, surround,
surround back and front high speakers. Depending
on the sound fi eld settings and the source, there
may be no sound output.
Frequency response
Analog
10 Hz – 70 kHz,
+0.5/–2 dB (with
sound fi eld and
equalizer bypassed)
Input
Analog
Sensitivity: 500 mV/
50 kohms
S/N
3)
: 96 dB
(A, 500 mV
)
4)
Digital (Coaxial)
Impedance: 75 ohms
S/N: 100 dB
(A, 20 kHz LPF)
Digital (Optical)
S/N: 100 dB
(A, 20 kHz LPF)
Output (Analog)
AUDIO OUT
Voltage: 500 mV/
1 kohms
SUBWOOFER
Voltage: 2 V/1 kohm
Equalizer
Gain levels
±6 dB, 1 dB step
INPUT SHORT (with sound fi eld and equalizer
3)
bypassed).
Weighted network, input level.
4)
– Continued on next page –

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  • Page 1 Stereo Mode Output Power “BRAVIA” is a trademark of Sony Corporation. equalizer bypassed) (8 ohms, 1 kHz, THD 1%) Input “PlayStation” is a registered trademark of Sony Computer Entertainment 105 W + 105 W Analog Sensitivity: 500 mV/ Inc. Surround Mode Output Power...
  • Page 2 P I È C E S S O N T C R I T I Q U E S P O U R L A S É C U R I T É D E FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉ-...

  • Page 3: Table Of Contents

    2-5. DIGITAL Board ..............7 2-6. MAIN Board Section ............8 Part No. 2-7. MAIN Board ............... 8 Model Part No. 3. TEST MODE ..............9 STR-DH720: US 4-261-825-3[] 4. ELECTRICAL ADJUSTMENT ........11 STR-DH720: Canadian 4-261-825-4[] 5. DIAGRAMS STR-DH720: AEP 4-261-825-5[] 5-1.
  • Page 4 STR-DH720/DH720HP Ver. 1.2 NOTE OF REPLACING THE IC1500 AND IC1600 ON THE DCDC BOARD IC1500 and IC1600 on the DCDC board cannot exchange with single. When these parts on the DCDC board are damaged, exchange the entire mounted board. NOTE OF REPLACING THE IC2106 ON THE DIGITAL BOARD IC2106 on the DIGITAL board cannot exchange with single.

  • Page 5: Disassembly

    STR-DH720/DH720HP SECTION 2 DISASSEMBLY Note: This set can be disassemble according to the following sequence. 2-1. CASE (Page 5) 2-2. D-VIDEO BOARD (Page 6) 2-3. FRONT PANEL SECTION 2-4. BACK PANEL SECTION (Page 6) (Page 7) 2-5. DIGITAL BOARD (Page 7) 2-6.

  • Page 6: D-Video Board

    STR-DH720/DH720HP Ver. 1.2 2-2. D-VIDEO BOARD 4 one screw (+BVTP 3 8 CN3510 (6P) 5 one screw 7 bracket holder (+BVTP 3 9 CN3003 (20P) 0 D-VIDEO board 9 CN3004 (8P) qs DCDC board qa CN1500 (7P) 2 CN3007 (13P)

  • Page 7: Back Panel Section

    STR-DH720/DH720HP 2-4. BACK PANEL SECTION 9 back panel section 6 three screws 2 CNP902 (2P) (+BVTP 3 7 eight screws 1 cut the cable tie (+BVTP 3 3 CN906 (4P) 5 five screws (+BVTP 3 8 CN271 (14P) 4 wire (flat type)

  • Page 8: Main Board Section

    STR-DH720/DH720HP 2-6. MAIN BOARD SECTION 3 LOCK board 5 two screws (+BVTP 3 6 two screws (+BVTP 3 1 CNP920 (5P) 2 CNP930 (5P) 7 MAIN board section 4 one screw (+BVTP 3 2-7. MAIN BOARD Note: This illustration sees the MAIN board from back side.

  • Page 9: Test Mode

    STR-DH720/DH720HP SECTION 3 TEST MODE AM CHANNEL STEP 9 kHz/10 kHz SELECTION MODE KEY CHECK MODE * Button check (US and Canadian only) * Either the 9 kHz step or 10 kHz step can be selected for the * Procedure: AM channel step.
  • Page 10 STR-DH720/DH720HP HISTORY MODE DCAC TEST MODE The state that the set is used is memorized. * Procedure: * Procedure: 1. While pressing [INPUT MODE] and [MOVIE] buttons, press 1. While pressing the [INPUT MODE] and [MUSIC] buttons, the [?/1] button to turn on the main power.

  • Page 11: Electrical Adjustment

    STR-DH720/DH720HP SECTION 4 ELECTRICAL ADJUSTMENT VIDEO CALIBRATION ADJUSTMENT 2-3. Procedure for Blu-ray Disc player 1. It connects of step 2-1, and then turn on the main power of set Adjustment to decide the standard of the video input signal. and Blu-ray Disc player.
  • Page 12 STR-DH720/DH720HP FM AUTO STOP CHECK generator OUT (75 Ω) Procedure: 1. Turn on the set. 2. Input the following signal from Signal Generator to FM an- tenna input directly. * Carrier Frequency: A = 87.5 MHz, B = 98 MHz, C = 108 MHz...

  • Page 13: Diagrams

    STR-DH720/DH720HP SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAM – TUNER/AUDIO Section – VIDEO 1 SAT/CATV SA-CD/CD VIDEO 2 IN VIDEO 1 AUDIO IN AUDIO IN AUDIO IN AUDIO AUDIO OUT AUDIO IN J401 (1/2) J409 J101 (1/2) FUNCTION SELECT J401 (2/2)

  • Page 14: Block Diagram - Digital Section

    STR-DH720/DH720HP Ver. 1.1 5-2. BLOCK DIAGRAM – DIGITAL Section – D/A CONVERTER IC2501 IC2801 SIGNAL SELECTOR IC2805 DIN3 VO3L FL OUT SBL/SBR_OUT TUNER/ VO3R R-CH L-IN AUDIO SL/SR_OUT DIN4/DNC VO4L SBL OUT SECTION R-IN VO4R C/SW1_OUT (Page 13) R-CH L/R_OUT...

  • Page 15: Block Diagram - Standby-A Video Pc Section

    STR-DH720/DH720HP 5-3. BLOCK DIAGRAM – STANDBY-A VIDEO PC Section – COMPONENT VIDEO SELECT IC220 V+1,+2 +5V-3 J220 (1/2) J220 (2/2) 6dB AMP CH1 IN2 CH1 OUT CH1 IN3 DRIVER 6dB AMP BD/DVD CH2 IN2 COMPONENT CH2 OUT MONITOR (IN 1)

  • Page 16: Block Diagram - D-Video Section

    STR-DH720/DH720HP Ver. 1.1 5-4. BLOCK DIAGRAM – D-VIDEO Section – EEPROM IC3207 1 CE# IC3500 2 SO HDMI RECEIVER CN3504 5 SI DATA2+ R0X2+ 6 SCK DATA2– R0X2- DATA1+ R0X1+ DATA1– R0X1- DATA0+ EEPROM IC3501 R0X0+ HDMI TRANSMITTER IC3208 DATA0–...

  • Page 17: Block Diagram - Key/Display/Usb Section

    STR-DH720/DH720HP 5-5. BLOCK DIAGRAM – KEY/DISPLAY/USB Section – FL DISPLAY DRIVER SYSTEM IC152 CONTROL IC2105 (4/5) T141 Q141 SEG1 +3.9V DCDC CONVERTER SWITCHING FL_LAT 9 STB ND151 TRANSFORMER TRANSISTOR SEG17 VACUUM FLUORESCENT FL_DATA 7 DIN GRID1 DISPLAY FL_CLK 8 CLK...

  • Page 18: Block Diagram - Power Key Section

    STR-DH720/DH720HP 5-6. BLOCK DIAGRAM – POWER KEY Section – J790 PHONES RY375 PRE DRIVER RELAY IC701 DRIVER TB504 Q375 +VOUT1 FL-CH IN 1 FL-CH -VOUT2 POWER AMP FR-CH DRIVE Q701-704, +VOUT2 DRIVE CURRENT RY350 IN 2 Q751-754 -VOUT2 FR-CH RELAY...
  • Page 19 STR-DH720/DH720HP THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. • Circuit Boards Location (In addition to this, the necessary note is printed in each block.) For Printed Wiring Boards. For Schematic Diagrams. STANDBY-A VIDEO PC board Note: Note: •...

  • Page 20: Printed Wiring Board - Digital Board (Side A)

    STR-DH720/DH720HP Ver. 1.2 • 5-7. PRINTED WIRING BOARD – DIGITAL Board (Side A) – • See page 19 for Circuit Boards Location. : Uses unleaded solder. DIGITAL (ASSIGNABLE) J2301 COAXIAL OPTICAL BD/DVD IN SAT/CATV IN DIGITAL BOARD FLASH (SIDE A)

  • Page 21: Printed Wiring Board - Digital Board (Side B)

    STR-DH720/DH720HP 5-8. PRINTED WIRING BOARD – DIGITAL Board (Side B) – • See page 19 for Circuit Boards Location. • : Uses unleaded solder. DIGITAL BOARD (SIDE B) JL2871 JL2830 JL2872 JL2875 JL2876 JL2831 JL2832 JL2833 JL2834 JL2835 C2266 JL2836...

  • Page 22: Schematic Diagram - Digital Board (1/4)

    STR-DH720/DH720HP Ver. 1.1 5-9. SCHEMATIC DIAGRAM – DIGITAL Board (1/4) – • See page 46 for IC Block Diagrams. • See page 61 to 64 for IC Pin Function Descriptions. DIGITAL DIGITAL BOARD (1/4) X2800 BOARD 25MHz (2/4) (Page 23)

  • Page 23: Schematic Diagram - Digital Board (3/4)

    STR-DH720/DH720HP 5-10. SCHEMATIC DIAGRAM – DIGITAL Board (2/4) – • See page 42 for Waveforms. • See page 59 and 60 for IC Pin Function Descriptions. DIGITAL BOARD (2/4) Q2704 R2745 C2722 2SC3052EF-T1-LEF R2742 CEC DATA SWITCH R2741 Q2702 ISA1235AC1-T112-1EF...

  • Page 24: Schematic Diagram - Digital Board (4/4)

    STR-DH720/DH720HP Ver. 1.1 5-11. SCHEMATIC DIAGRAM – DIGITAL Board (3/4) – • See page 42 for Waveforms. • See page 46 for IC Block Diagrams. DIGITAL BOARD (1/4) (Page 22) 8 10 IC2805 DIGITAL BOARD (3/4) TC74VHC08FT (EL) IC2805 IC2351...

  • Page 25: Schematic Diagram – Digital Board (4/4)

    STR-DH720/DH720HP Ver. 1.2 5-12. SCHEMATIC DIAGRAM – DIGITAL Board (4/4) – • See page 46 for IC Block Diagrams. DIGITAL BOARD (4/4) CN2501 FB2043 TEMP-SENSOR CL2200 +3.3V CL2201 BOARD CN2003 DGND TEMP_SENSOR_1 CL2203 CN250 (US, CND) TEMP_SENSOR_1 TEMP_SENSOR_2 CL2204 JL2021...
  • Page 26 STR-DH720/DH720HP Ver. 1.1 • 5-13. PRINTED WIRING BOARD – MAIN Board – • See page 19 for Circuit Boards Location. : Uses unleaded solder. SPEAKERS TB504 TB503 TB502 FRONT – SURROUND CENTER SURROUND BACK/ FRONT HIGH J409 J401 J405 SA-CD/CD...

  • Page 27: Schematic Diagram - Main Board (1/4)

    STR-DH720/DH720HP 5-14. SCHEMATIC DIAGRAM – MAIN Board (1/4) – MAIN BOARD (1/4) SBL_OUT SBL_OUT SBR_OUT SBR_OUT FR_OUT C_OUT MAIN BOARD (2/4) (Page 28) [SBR] [SBL] [FR] R551 R829 R830 R879 R880 R779 R780 R544 R568 C548 R822 R872 R772 R559...

  • Page 28: Schematic Diagram - Main Board (2/4)

    STR-DH720/DH720HP 5-15. SCHEMATIC DIAGRAM – MAIN Board (2/4) – MAIN BOARD (2/4) FL_OUT SR_OUT SR_OUT SL_OUT SL_OUT MAIN BOARD (1/4) R392 R393 FR_OUT (Page 27) R394 R395 FL_OUT [SR] [FL] [SL] CL400 CL391 CN391 R680 R730 R629 R630 HP_DET HEADPHONE...

  • Page 29: Schematic Diagram - Main Board (3/4)

    STR-DH720/DH720HP 5-16. SCHEMATIC DIAGRAM – MAIN Board (3/4) – • See page 49 for IC Block Diagrams. MAIN BOARD (1/4) MAIN BOARD (1/4) MAIN BOARD (2/4) (Page 27) (Page 27) (Page 28) 20 21 25 26 MAIN BOARD (3/4) +3.3V...

  • Page 30: Schematic Diagram - Main Board (4/4)

    STR-DH720/DH720HP 5-17. SCHEMATIC DIAGRAM – MAIN Board (4/4) – MAIN BOARD (2/4) (Page 28) MAIN BOARD (4/4) D910 ~ D913 1SR154-400TE-25 D910 C912 CNP930 C910 2200 D911 D912 F910 POWER T2.5A 250V CL366 D913 R2 AC TRANSFORMER C911 CL367 (MAIN)

  • Page 31: Printed Wiring Board - D-Video Board (Side A)

    STR-DH720/DH720HP Ver. 1.2 • 5-18. PRINTED WIRING BOARD – D-VIDEO Board (Side A) – • See page 19 for Circuit Boards Location. : Uses unleaded solder. HDMI ASSIGNABLE (INPUT ONLY) D-VIDEO TV OUT FLASH VIDEO 1 SAT/CATV GAME BD/DVD PROGRAMMING...

  • Page 32: Printed Wiring Board - D-Video Board (Side B)

    STR-DH720/DH720HP • 5-19. PRINTED WIRING BOARD – D-VIDEO Board (Side B) – • See page 19 for Circuit Boards Location. : Uses unleaded solder. D-VIDEO BOARD (SIDE B) R3514 R3531 R3594 R3540 R3506 R3507 R3517 R3505 JL3504 JL3505 JL3506 JL3022...

  • Page 33: Schematic Diagram - D-Video Board (1/4)

    STR-DH720/DH720HP Ver. 1.1 5-20. SCHEMATIC DIAGRAM – D-VIDEO Board (1/4) – • See page 42 for Waveforms. • See page 46 and 48 for IC Block Diagrams. • See page 52 and 53 for IC Pin Function Descriptions. D-VIDEO BOARD (1/4)

  • Page 34: Schematic Diagram - D-Video Board (2/4)

    STR-DH720/DH720HP Ver. 1.1 5-21. SCHEMATIC DIAGRAM – D-VIDEO Board (2/4) – • See page 42 for Waveforms. • See page 48 for IC Block Diagrams. • See page 54 to 58 for IC Pin Function Descriptions. D-VIDEO D-VIDEO BOARD (2/4)

  • Page 35: Schematic Diagram - D-Video Board (3/4)

    STR-DH720/DH720HP Ver. 1.2 5-22. SCHEMATIC DIAGRAM – D-VIDEO Board (3/4) – D-VIDEO D-VIDEO BOARD (3/4) BOARD (1/4), (4/4) IN4_HPD (Page 33), HOT PLUG DET IN4_5VP +5V POWER (Page 36) R3514 DDC/CEC GND IN4_SDA R3530 SDA(5V) R3531 IN4_SCL SCL(5V) RESERVE(NC) JL3503...

  • Page 36: Schematic Diagram - D-Video Board (4/4)

    STR-DH720/DH720HP Ver. 1.2 5-23. SCHEMATIC DIAGRAM – D-VIDEO Board (4/4) – D-VIDEO D-VIDEO BOARD (4/4) BOARD (2/4), (3/4) (Page 34), (Page 35) C3504 R3579 R3528 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 3.3 0 1.8 2.2 2.4 2.4 2.4 2.4 2.4 2.4 2.4 1.8 0 3.3...

  • Page 37: Printed Wiring Board - Standby-A Video Pc Board

    STR-DH720/DH720HP Ver. 1.2 5-24. PRINTED WIRING BOARD – STANDBY-A VIDEO PC Board – • See page 19 for Circuit Boards Location. • : Uses unleaded solder. J220 COMPONENT VIDEO ASSIGNABLE (INPUT ONLY) SAT/CATV BD/DVD MONITOR (IN 2) (IN 1) J211...

  • Page 38: Schematic Diagram - Standby-A Video Pc Board

    STR-DH720/DH720HP Ver. 1.2 5-25. SCHEMATIC DIAGRAM – STANDBY-A VIDEO PC Board – • See page 42 for Waveforms. • See page 49 and 50 for IC Block Diagrams. STANDBY-A VIDEO PC BOARD D203 +4V_DCDC 1SR154-400TE-25 CL210 DCDC +4V_DCDC Q202 D202...

  • Page 39: Printed Wiring Boards - Panel Section

    STR-DH720/DH720HP Ver. 1.1 • 5-26. PRINTED WIRING BOARDS – Panel Section – • See page 19 for Circuit Boards Location. : Uses unleaded solder. DISPLAY BOARD ND151 EN151 VACUUM FLOURESCENT DISPLAY CL185 MASTER VOLUME LP192 CN101 R177 CL172 R176 CL187...

  • Page 40: Schematic Diagram - Panel Section

    STR-DH720/DH720HP Ver. 1.1 5-27. SCHEMATIC DIAGRAM – Panel Section – • See page 42 for Waveforms. • See page 47 for IC Block Diagrams. DISPLAY BOARD ND151 EN151 R176 MASTER VOLUME R177 CNS151 C150 2200p 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50...

  • Page 41: Printed Wiring Board - Dcdc Board

    STR-DH720/DH720HP Ver. 1.2 5-28. PRINTED WIRING BOARD – DCDC Board – • See page 19 for Circuit Boards Location. • : Uses unleaded solder. STANDBY-A VIDEO PC BOARD CN904 (Page 37) DCDC BOARD DCDC BOARD (SIDE A) (SIDE B) CN1500...

  • Page 42: Schematic Diagram - Dcdc Board

    STR-DH720/DH720HP Ver. 1.2 5-29. SCHEMATIC DIAGRAM – DCDC Board – • Waveforms – DIGITAL Board – – STANDBY-A VIDEO PC Board – IC220 w; (CH3 OUT) IC2105 os (X1(X_OUT)) (Color bar) DCDC BOARD 0.5 Vp-p 3.28 Vp-p C1505 L1501 4 MHz...

  • Page 43: Printed Wiring Board - Usb Board

    STR-DH720/DH720HP 5-30. PRINTED WIRING BOARD – USB Board – • See page 19 for Circuit Boards Location. • : Uses unleaded solder. DISPLAY BOARD CN152 (Page 39) D-VIDEO BOARD CN3007 (Page 31) C4135 R4146 C4134 CN4101 R4149 USB BOARD R4148...

  • Page 44: Schematic Diagram- Usb Board

    STR-DH720/DH720HP 5-31. SCHEMATIC DIAGRAM – USB Board – • See page 46 and 51 for IC Block Diagrams. USB BOARD R4183 R4185 R4188 7.5k 7.5k C4184 1000p C4182 R4184 C4163 R4190 R4189 IC4161 7.5k BA33BC0FP-E2 IC4161 C4183 1000p 3.3V REG...

  • Page 45: Printed Wiring Board - Headphone Board

    STR-DH720/DH720HP Ver. 1.2 5-32. PRINTED WIRING BOARD – HEADPHONE Board – 5-34. PRINTED WIRING BOARD – TEMP-SENSOR Board – • • • See page 19 for Circuit Boards Location. : Uses unleaded solder. • See page 19 for Circuit Boards Location.
  • Page 46 STR-DH720/DH720HP IC2032 TC74VHC157FT (EKJ) (DIGITAL BOARD (1/4)) • IC Block Diagrams IC2804 TC74VHC157FT (EKJ) (DIGITAL BOARD (3/4)) IC2006 PCM9211PTR (DIGITAL BOARD (3/4)) IC3001 TC74VHC157FT (EKJ) (D-VIDEO BOARD (1/4)) SELECT 11 1 1A 2 STROBE INPUT INPUT 32 31 30 29...
  • Page 47 STR-DH720/DH720HP IC152 PT6315 (DISPLAY BOARD) Grid driver Multiplexed driver GRID10 Command decoder GRID11 Display memory SEG17 24 bits x 12 words Timing generator key scan DOUT SEG16 Key data memory Serial SEG15 (2 x 16 bits) interface SEG14 SEG13 SEG12...
  • Page 48 STR-DH720/DH720HP IC3002 TC74VCX257FT (EL) (D-VIDEO BOARD (1/4)) IC3004 TC74VHC541FT (EKJ) (D-VIDEO BOARD (1/4)) IC3205 TC7PA53FU (TE85L.F) (D-VIDEO BOARD (2/4)) IC3206 TC74LCX74FT (EKJ) (D-VIDEO BOARD (2/4)) 13 12 11 MALTIPLEXER/ COMMON DEMALTIPLEXER 1 2 3 4 5 6...
  • Page 49 STR-DH720/DH720HP IC400 BD3470KS2 (MAIN BOARD (3/4)) INL2 AGND INR2 FRIN2 FLIN2 INL1 INR1 SWIN2 Multi2 CIN2 AGND Multi1 SBLIN1 SRIN2 SLIN2 SBRIN1 Mode Mode Mode Mode SLIN1 SBRIN2 selector selector selector selector SRIN1 SBLIN2 AGND CIN1 SWIN1 RECR1 FLIN1 RECL1...
  • Page 50 STR-DH720/DH720HP IC210 NJM2595M-TE2 (STANDBY-A VIDEO PC BOARD) VOUT1 16 V+ DRIVER VIN5 VIN4 VOUT2 VIN3 VIN1 VOUT3 VIN2 IC220 NJM2586AM (STANDBY-A VIDEO PC BOARD) CH1 OUT CH1 IN1 DRIVER BIAS CONT1 CH1 IN2 CH2 OUT DRIVER BIAS CONT1 CONT2 CH3 OUT...
  • Page 51 STR-DH720/DH720HP IC4100 BU81459KV-E2 (USB BOARD) AVDDC LED_ERROR/TEST9 Audio DAC LED_PLAY/TEST10 ATEST1 LED_PSD/TEST11 TEST8 LED_PUSB/TEST12 TEST7 iPod Sound Effecter Controller Controller LACK TEST6 DVDD_M2 TEST5/ DATA CLKOUT12 File system TEST13 TEST4 AAC / WMA / DVDD_M1 DVSS Decoder SD_CS TEST14 SD I/F...
  • Page 52 STR-DH720/DH720HP • IC Pin Function Description D-VIDEO BOARD (1/4) IC3000 MB91F627PMC-GE1 (HDMI CONTROLLER) Pin No. Pin Name Description Ground terminal Regulator stabilization capacity NO_USE Not Used MU_SDA Communication line between Main Micom and Video Micom - I2C SDA NO_USE Not Used...
  • Page 53 STR-DH720/DH720HP Pin No. Pin Name Description NO_USE Not Used NO_USE Not Used NO_USE Not Used NO_USE Not Used NO_USE Not Used NO_USE Not Used NO_USE Not Used H2_POWER_CONT Hudson 2: Power Control FLI_BUSY Hudson 2: Busy Notifi cation HSYNC_SEL Hudson 2: Horizontal sync selection signal output to the HSYNC select...
  • Page 54 STR-DH720/DH720HP D-VIDEO BOARD (2/4) IC3201 FLI30502AC (VIDEO CONTROLLER) Pin No. Pin Name Description VDDA33_LBADC Power supply terminal (+3.3V) LBADC_IN1 Standby signal input from the system controller LBADC_IN2 to 3 to 6 Not Used LBADC_IN5 VDDA33_LBADC Power supply terminal (+3.3V) RESETn...
  • Page 55 STR-DH720/DH720HP Pin No. Pin Name Description VID2_CLK/ROM_OEn Not Used VID_DE_FLD/A0/ Not Used GPIO16 I2S_SPDIF_IN_DATA Not Used I2S_IN_WCLK/ Not Used GPIO50 I2S_IN_BCLK/ Not Used GPIO51 I2S0_SPDIF_OUT_ Not Used DATA I2S_OUT_WCLK/ Not Used GPIO52 I2S_OUT_BCLK/ Not Used GPIO53 I2S1_OUT_DATA Not Used AUD_CLKOUT...
  • Page 56 STR-DH720/DH720HP Pin No. Pin Name Description EXT_ADC_CLAMP/ Not Used A15/OPM1 XOSD_CLK/A14/ Not Used OPM0 XOSD_HS/A13/FS1 Not Used XOSD_VS/A12/FS0 Not Used XOSD_FLD/A11/FT1 Not Used VBI_DATA_7/A10/FT0 Not Used VBI_DATA_6/A9/BT2, 118, 119 Not Used VBI_DATA_5/A8/BT1 VBI_DATA_4/A7/ Not Used GPO23/BT0 VBI_DATA_3/A6/ Not Used GPO22/OSC_SEL...
  • Page 57 STR-DH720/DH720HP Pin No. Pin Name Description VID_DATA_IN_12, 170, 171 Not Used VID_DATA_IN_13 RVDD_33 Power supply terminal (+3.3V) VID_DATA_IN_14, 173, 174 Not Used VID_DATA_IN_15 RVSS Not Used 176 to GPIO30 to GPIO32 Not Used VDD_HP_33 Power supply terminal (+3.3V) AUD_HP_OUT_L Not Used...
  • Page 58 STR-DH720/DH720HP Pin No. Pin Name Description SV2P Not Used VDDA Power supply terminal (+3.3V) Not Used VDDA Power supply terminal (+3.3V) Not Used GNDA Ground terminal Not Used GNDA Ground terminal Not Used GNDA Ground terminal SV3P Not Used VDDA Power supply terminal (+3.3V)
  • Page 59 STR-DH720/DH720HP DIGITAL BOARD (2/4) IC2105 MB90F058PF-G-JNE1 (SYSTEM CONTROL) Pin No. Pin Name Description SBL_SBR_RY Relay drive signal (for surround back) output terminal “H”: relay on BRIDGEABLE_RY Bridgeable relay control signal output HP_RY Headphone relay driver control signal output HP_DET Headphone detection signal input...
  • Page 60 STR-DH720/DH720HP Pin No. Pin Name Description DSP_MOSI Serial data output for DSP EX3 IC DSP_SPICLK Interrupt status input from DSP EX3 IC NO_USE Not Used Serial data input terminal (use for Firmware Flash Program) Serial data output terminal (use for Firmware Flash Program)
  • Page 61 STR-DH720/DH720HP DIGITAL BOARD (1/4) IC2801 ADSST-AVR-3010 (DSP) Pin No. Pin Name Description SDDQM DQM data mask Memory select line 0 SDCKE SDRAM clock enable Power supply pin (+1.2 V) DD_INT CLK_CFG1 Clock frequency setting signal input 1 (Fixed at H)
  • Page 62 STR-DH720/DH720HP Pin No. Pin Name Description Not Used Power supply pin (+3.3 V) DD_EXT Not Used Not Used Not Used Not Used Power supply pin (+1.2 V) DD_INT Not Used Not Used Power supply pin (+1.2 V) DD_INT Not Used Not Used Power supply pin (+1.2 V)
  • Page 63 STR-DH720/DH720HP Pin No. Pin Name Description Thermal diode power supply DD_THD Power supply pin (+1.2 V) DD_INT Power supply pin (+1.2 V) DD_INT Memory select line 1 Power supply pin (+1.2 V) DD_INT WDT_CLKO Watch dog resonator pad output WDT_CLKIN Watch dog timer clock input Power supply pin (+3.3 V)
  • Page 64 STR-DH720/DH720HP Pin No. Pin Name Description DATA13 External data Power supply pin (+1.2 V) DD_INT DATA15 External data SDWE SDRAM write enable SDRAS SDRAM row address strobe RESET System reset signal input from SYSTEM CONTROL IC Not Used (Fixed at L)

  • Page 65: Exploded Views

    STR-DH720/DH720HP Ver. 1.2 SECTION 6 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • The mechanical parts with no reference The components identified by mark 0 they may have some difference from the number in the exploded views are not sup- or dotted line with mark 0 are critical for original one.

  • Page 66: Dcdc Board

    STR-DH720/DH720HP Ver. 1.2 6-2. DCDC BOARD back panel section not supplied (for CND and ECE only) not supplied front panel section chassis section not supplied Ref. No. Part No. Description Remark 1-500-082-11 CLAMP, SLEEVE FERRITE 7-685-646-71 SCREW +BVTP 3X8 TYPE2 IT-3...

  • Page 67: Front Panel Section

    STR-DH720/DH720HP 6-3. FRONT PANEL SECTION not supplied (POWER KEY board) EN181 EN180 not supplied (HP SUPPORT board) not supplied (HEADPHONE board) EN151 ND151 supplied with EN180 not supplied supplied with EN181 supplied with EN151 Note: If wire (fl at type) is replaced, install it after bending it in the same form as that before replacement.

  • Page 68: Back Panel Section

    STR-DH720/DH720HP Ver. 1.1 6-4. BACK PANEL SECTION F901 not supplied not supplied (STANDBY-A VIDEO PC board) Note: If wire (fl at type) is replaced, install it after bending it in the same form as that before replacement. Ref. No. Part No.

  • Page 69: Chassis Section

    STR-DH720/DH720HP Ver. 1.2 6-5. CHASSIS SECTION Q704 Q603 Q703 Q604 Q654 supplied with Q503, Q504, Q553 Q653 Q554 Q754 Q553, Q554, Q603, Q604, Q753 Q653, Q654, Q703, Q704, Q854 Q753, Q754, Q853, Q854 Q853 Q504 T901 not supplied Q503 not supplied...

  • Page 70: Electrical Parts List

    STR-DH720/DH720HP Ver. 1.2 SECTION 7 DCDC DIGITAL ELECTRICAL PARTS LIST Note: The components identified by mark 0 • Due to standardization, replacements in • CAPACITORS or dotted line with mark 0 are critical for the parts list may be different from the uF: μF...
  • Page 71 STR-DH720/DH720HP DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C2101 1-125-777-11 CERAMIC CHIP 0.1uF C2814 1-164-847-11 CERAMIC CHIP 7PF 0.5PF C2112 1-125-777-11 CERAMIC CHIP 0.1uF C2815 1-164-847-11 CERAMIC CHIP 7PF 0.5PF C2114 1-100-159-91 CERAMIC CHIP 22uF 6.3V...
  • Page 72 CN2002 1-568-830-11 CONNECTOR, FFC 11P (ECE) (DIGITAL (ASSIGNABLE) OPTICAL SAT/CATV IN) CN2003 1-784-770-11 CONNECTOR, FFC 9P (US, CND) IC2352 6-600-466-01 IC TORX147L (SONY) (TV OPTICAL IN) CN2103 1-573-846-11 CONNECTOR, BOARD TO BOARD 14P IC2421 6-705-337-01 IC TK11150CSCL-G CN2105 1-784-040-11 CONNECTOR, BOARD TO BOARD 19P...
  • Page 73 STR-DH720/DH720HP Ver. 1.1 DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R2119 1-218-941-81 METAL CHIP 1/16W R2744 1-218-965-11 METAL CHIP 1/16W R2123 1-218-941-81 METAL CHIP 1/16W R2745 1-218-970-11 METAL CHIP 1/16W R2124 1-218-941-81 METAL CHIP...

  • Page 74: Digital Display

    STR-DH720/DH720HP Ver. 1.1 DIGITAL DISPLAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R2898 1-218-965-11 METAL CHIP 1/16W A-1796-464-A DISPLAY BOARD, COMPLETE *********************** R2899 1-218-965-11 METAL CHIP 1/16W R2901 1-218-965-11 METAL CHIP 1/16W < CAPACITOR >...
  • Page 75 STR-DH720/DH720HP Ver. 1.1 DISPLAY D-VIDEO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > S106 1-771-410-21 SWITCH, TACTILE (2CH/A.DIRECT) S107 1-771-410-21 SWITCH, TACTILE (MEMORY/ENTER) IC101 8-759-710-97 IC NJM4565M-D S108 1-771-410-21 SWITCH, TACTILE (TUNING +)
  • Page 76 STR-DH720/DH720HP D-VIDEO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C3244 1-164-943-81 CERAMIC CHIP 0.01uF C3306 1-125-777-11 CERAMIC CHIP 0.1uF C3245 1-125-777-11 CERAMIC CHIP 0.1uF C3315 1-112-717-91 CERAMIC CHIP 1uF 6.3V C3246 1-164-852-11 CERAMIC CHIP 12PF...
  • Page 77 STR-DH720/DH720HP Ver. 1.2 D-VIDEO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C3573 1-128-994-21 ELECT CHIP 47uF < FERRITE BEAD > C3574 1-165-492-21 ELECT CHIP 100uF C3575 1-165-492-21 ELECT CHIP 100uF FB3000 1-400-862-11 BEAD, FERRITE C3578...
  • Page 78 STR-DH720/DH720HP D-VIDEO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R3001 1-218-965-11 METAL CHIP 1/16W R3063 1-218-941-81 METAL CHIP 1/16W R3002 1-218-933-11 METAL CHIP 1/16W R3064 1-218-941-81 METAL CHIP 1/16W R3003 1-218-933-11 METAL CHIP 1/16W R3065...
  • Page 79 STR-DH720/DH720HP D-VIDEO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R3258 1-218-938-11 METAL CHIP 1/16W R3532 1-218-974-11 METAL CHIP 1/16W R3259 1-208-671-11 METAL CHIP 0.5% 1/16W R3533 1-208-923-11 METAL CHIP 0.5% 1/16W R3260 1-208-671-11 METAL CHIP 0.5%...
  • Page 80 STR-DH720/DH720HP Ver. 1.1 D-VIDEO HEADPHONE MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark RB3503 1-234-370-21 RES, NETWORK 22 (1005X4) C392 1-162-967-11 CERAMIC CHIP 0.0033uF RB3504 1-234-371-21 RES, NETWORK 47 (1005X4) C393 1-162-967-11 CERAMIC CHIP 0.0033uF...
  • Page 81 STR-DH720/DH720HP Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C679 1-136-157-00 FILM 0.022uF CC13 1-162-970-11 CERAMIC CHIP 0.01uF 25V (ECE) C702 1-162-927-11 CERAMIC CHIP 100PF CC14 1-162-970-11 CERAMIC CHIP 0.01uF 25V (ECE) C703...
  • Page 82 STR-DH720/DH720HP MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > Q612 6-550-327-01 2SA1514KT146S Q651 8-729-119-76 TRANSISTOR 2SA1175-HFE IC350 6-712-294-01 IC KIA7807API-U/PF IC352 6-712-295-01 IC KIA7907PI Q652 8-729-922-39 TRANSISTOR 2SD2144S-V IC400 6-716-394-01 IC BD3470KS2...
  • Page 83 STR-DH720/DH720HP MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R389 1-216-821-11 METAL CHIP 1/10W R616 1-216-843-11 METAL CHIP 1/10W R392 1-218-632-11 METAL CHIP R620 1-216-841-11 METAL CHIP 1/10W R393 1-218-632-11 METAL CHIP R622 1-216-845-11 METAL CHIP...
  • Page 84 STR-DH720/DH720HP Ver. 1.1 MAIN POWER KEY STANDBY-A VIDEO PC Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R766 1-216-843-11 METAL CHIP 1/10W RR18 1-249-393-11 CARBON 1/4W R770 1-216-841-11 METAL CHIP 1/10W (ECE) R772 1-216-845-11 METAL CHIP...
  • Page 85 STR-DH720/DH720HP Ver. 1.2 STANDBY-A VIDEO PC Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C212 1-104-658-91 ELECT 100uF < FUSE HOLDER > C213 1-126-964-11 ELECT 10uF FH901 1-533-217-41 HOLDER, FUSE C214 1-126-964-11 ELECT 10uF FH902 1-533-217-41...
  • Page 86 STR-DH720/DH720HP Ver. 1.2 STANDBY-A VIDEO PC TEMP-SENSOR Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R253 1-216-864-11 SHORT CHIP C4119 1-164-937-11 CERAMIC CHIP 0.001uF R254 1-216-864-11 SHORT CHIP C4120 1-164-937-11 CERAMIC CHIP 0.001uF C4121 1-125-777-11 CERAMIC CHIP 0.1uF...
  • Page 87 STR-DH720/DH720HP Ver. 1.2 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark FB4101 1-469-152-11 FERRITE, EMI (SMD) (2012) R4163 1-218-949-11 METAL CHIP 1/16W FB4102 1-469-324-21 FERRITE, EMI (SMD) (2012) FB4161 1-481-218-21 FERRITE, EMI (SMD) (1608) R4164 1-218-973-11...
  • Page 88 STR-DH720/DH720HP Ver. 1.2 Ref. No. Part No. Description Remark 1-793-184-51 CONNECTOR (F TYPE ADAPTOR) (FM wire antenna (aerial)) 1-835-329-21 CORD, CONNECTION (USB5P) (TDM-IP30) (STR-DH720HP) 1-838-669-11 CORD, CONNECTION (TDM-IP30) (STR-DH720HP) 3-277-576-21 ESCUTCHEON (TDM-IP30) (STR-DH720HP) 4-262-412-12 INSTRUCTION MANUAL (ENGLISH) (US, CND) 4-262-412-21...
  • Page 89 STR-DH720/DH720HP US Model STR-DH720/DH720HP Canadian Model SERVICE MANUAL AEP Model STR-DH720 Ver. 1.2 2011.10 SUPPLEMENT-1 File this supplement with the service manual. Subject: Change of DCDC board (Suffi x-21), DIGITAL board (Suffi x-21), D-VIDEO board (Suffi x-21), MAIN board (Suffi x-24) and STANDBY-AVIDEO MT PC Board (Suffi...
  • Page 90 STR-DH720/DH720HP SECTION 1 DISCRIMINATION – DCDC Board (Side A) – – DIGITAL Board (Side A) – Former : 1-883-236-11 : 1-883-236-21 Former : 1-883-126-11 : 1-883-126-21 – D-VIDEO Board (Side A) – Former : 1-883-393-11 : 1-883-393-21 – MAIN Board –...

  • Page 91: Diagrams

    STR-DH720/DH720HP SECTION 2 DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) For Printed Wiring Boards. For Schematic Diagrams. Note: Note: • X : Parts extracted from the component side.

  • Page 92: Printed Wiring Board - Dcdc Board

    STR-DH720/DH720HP 2-1. PRINTED WIRING BOARD – DCDC Board – • : Uses unleaded solder. STANDBY- AVIDEO MT PC BOARD CN904 (Page 23) DCDC BOARD DCDC BOARD (SIDE A) (SIDE B) CN1500 L1500 L1600 CL1501 CL1505 CL1500 C1504 R1504 R1506 R1503...

  • Page 93: Schematic Diagram - Dcdc Board

    STR-DH720/DH720HP 2-2. SCHEMATIC DIAGRAM – DCDC Board – DCDC BOARD C1505 L1501 10uH CL1502 D-VIDEO CN1500 C1510 C1511 BOARD CL1505 DGND (3/4) CL1503 DGND CN3510 CL1504 STANDBY-AVIDEO R3 GND C1509 R1503 CL1500 (Page 16) R3 GND MT PC BOARD C1611...

  • Page 94: Printed Wiring Board - Digital Board (Side A)

    STR-DH720/DH720HP 2-3. PRINTED WIRING BOARD – DIGITAL Board (Side A) – • : Uses unleaded solder. DIGITAL (ASSIGNABLE) J2301 COAXIAL OPTICAL BD/DVD IN SAT/CATV IN DIGITAL BOARD FLASH (SIDE A) OPTICAL IN PROGRAMMING CN2602 IC2352 IC2351 C2354 C2815 C2814 R2351...

  • Page 95: Printed Wiring Board - Digital Board (Side B)

    STR-DH720/DH720HP 2-4. PRINTED WIRING BOARD – DIGITAL Board (Side B) – • : Uses unleaded solder. DIGITAL BOARD (SIDE B) JL2871 JL2830 JL2872 JL2875 JL2876 JL2831 JL2832 JL2833 JL2834 JL2835 C2266 C2268 JL2836 JL2837 R2901 R2947 C2269 JL2838 R2050 JL2839...
  • Page 96 STR-DH720/DH720HP 2-5. SCHEMATIC DIAGRAM – DIGITAL Board (1/4) – DIGITAL DIGITAL BOARD (1/4) X2800 BOARD 25MHz (2/4) (Page 9) C2842 C2841 R2854 DIGITAL BOARD (2/4), (3/4) CN2513 (Page 9), IC2032 C2910 JL2830 R2626 TC74VHC157FT (EKJ) (Page 10) R2856 IC2032 JL2831...
  • Page 97 STR-DH720/DH720HP 2-6. SCHEMATIC DIAGRAM – DIGITAL Board (2/4) – DIGITAL BOARD (2/4) Q2704 R2745 C2722 2SC3052EF-T1-LEF R2742 CEC DATA SWITCH R2741 Q2702 ISA1235AC1-T112-1EF CEC DATA SWITCH Q2703 2SC3052EF-T1-LEF CEC DATA SWITCH R2746 R2747 R2743 R2744 Q2705 C2721 RT1N141C-TP-1 CEC DATA SWITCH...
  • Page 98 STR-DH720/DH720HP 2-7. SCHEMATIC DIAGRAM – DIGITAL Board (3/4) – DIGITAL BOARD (1/4) (Page 8) 8 10 DIGITAL BOARD (3/4) IC2805 TC74VHC08FT (EL) IC2805 IC2351 TORX147L(SONY) SIGNAL SELECTOR IC2351 C2361 R2356 1 A0 DIGITAL OPTICAL FB2891 C2370 RECEIVE SBL/SBR_OUT 2 B0...
  • Page 99 STR-DH720/DH720HP 2-8. SCHEMATIC DIAGRAM – DIGITAL Board (4/4) – DIGITAL BOARD (4/4) CN2501 FB2043 TEMP-SENSOR CL2200 +3.3V CL2201 BOARD CN2003 DGND TEMP_SENSOR_1 CL2203 (US, CND) TEMP_SENSOR_1 CN250 TEMP_SENSOR_2 CL2204 LRCK/LOUT JL2021 R2962 IC2106 TEMP_SENSOR_2 (Refer to page 45 ANTENNA LCH OUT...

  • Page 100: Printed Wiring Board - D-Video Board (Side A)

    STR-DH720/DH720HP 2-9. PRINTED WIRING BOARD – D-VIDEO Board (Side A) – • : Uses unleaded solder. HDMI ASSIGNABLE (INPUT ONLY) D-VIDEO TV OUT FLASH VIDEO 1 SAT/CATV GAME BD/DVD PROGRAMMING BOARD (SIDE A) (CHASSIS) (CHASSIS) (CHASSIS) (CHASSIS) (CHASSIS) CN3502 CN3000...

  • Page 101: Printed Wiring Board - D-Video Board (Side B)

    STR-DH720/DH720HP 2-10. PRINTED WIRING BOARD – D-VIDEO Board (Side B) – • : Uses unleaded solder. D-VIDEO BOARD (SIDE B) R3514 R3531 R3594 R3540 R3506 R3507 R3517 R3505 JL3504 JL3505 JL3506 JL3022 JL3016 JL3503 JL3021 R3530 R3536 R3529 R3504 JL3590...
  • Page 102 STR-DH720/DH720HP 2-11. SCHEMATIC DIAGRAM – D-VIDEO Board (1/4) – D-VIDEO BOARD (1/4) CN3004 USB_IP_SCL R3086 CL3000 JL3046 POWER_RELAY POWER_RELAY USB_IP_SDA R3087 CL3001 DIGITAL 3.3 3.3 JL3047 STOP_PORT BOARD STOP_PORT USB_UP_MU_MD0 JL3048 USB_UP_MU_MD0 (2/4) JL3049 USB_UP_MU_RST USB_UP_MU_RST CN2603 JL3050 USB_UP_MU_RX USB_UP_MU_RX...
  • Page 103 STR-DH720/DH720HP 2-12. SCHEMATIC DIAGRAM – D-VIDEO Board (2/4) – D-VIDEO D-VIDEO BOARD (2/4) BOARD (1/4) C3248 C3295 C3251 C3255 C3258 C3261 C3263 C3264 (Page 14) R3253 C3265 C3296 VREFM RVDD_33 VREFP VID_DATA_IN_16/D0/VID2_0 VDD_AUD2_33 VBI_CLK/A1/GPIO17 IC3207 C3210 W25Q16BVSSIG AUD_IN_L4 VBI_VALID/A2/GPIO18 IC3207...
  • Page 104 STR-DH720/DH720HP 2-13. SCHEMATIC DIAGRAM – D-VIDEO Board (3/4) – D-VIDEO D-VIDEO BOARD (3/4) BOARD (1/4), (4/4) IN4_HPD (Page 14), HOT PLUG DET IN4_5VP +5V POWER (Page 17) R3514 DDC/CEC GND IN4_SDA R3530 SDA(5V) R3531 IN4_SCL SCL(5V) RESERVE(NC) JL3503 IN4_CK- CLOCK-...
  • Page 105 STR-DH720/DH720HP 2-14. SCHEMATIC DIAGRAM – D-VIDEO Board (4/4) – D-VIDEO D-VIDEO BOARD (4/4) BOARD (2/4), (3/4) (Page 15), (Page 16) C3504 R3579 R3528 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 3.3 0 1.8 2.2 2.4 2.4 2.4 2.4 2.4 2.4 2.4 1.8 0 3.3...

  • Page 106: Printed Wiring Board - Main Board

    STR-DH720/DH720HP 2-15. PRINTED WIRING BOARD – MAIN Board – • : Uses unleaded solder. SPEAKERS TB504 TB503 TB502 FRONT – SURROUND BACK/ CENTER SURROUND FRONT HIGH J409 J401 J405 VIDEO 1 SAT/CATV SUBWOOFER SA-CD/CD VIDEO 1 AUDIO AUDIO AUDIO AUDIO...

  • Page 107: Schematic Diagram - Main Board (1/4)

    STR-DH720/DH720HP 2-16. SCHEMATIC DIAGRAM – MAIN Board (1/4) – MAIN BOARD (1/4) SBL_OUT SBL_OUT SBR_OUT SBR_OUT FR_OUT C_OUT MAIN BOARD (2/4) (Page 20) [SBR] [SBL] [FR] R551 R829 R830 R879 R779 R780 R544 R568 R880 C548 R822 R872 R772 R559...
  • Page 108 STR-DH720/DH720HP 2-17. SCHEMATIC DIAGRAM – MAIN Board (2/4) – MAIN BOARD (2/4) FL_OUT SR_OUT SR_OUT SL_OUT SL_OUT MAIN BOARD (1/4) R392 R393 FR_OUT (Page 19) R394 R395 FL_OUT [SR] [FL] [SL] CL400 CL391 CN391 R629 R680 R730 R630 HP_DET CL364...
  • Page 109 STR-DH720/DH720HP 2-18. SCHEMATIC DIAGRAM – MAIN Board (3/4) – MAIN BOARD (1/4) MAIN BOARD (1/4) MAIN BOARD (2/4) (Page 19) (Page 19) (Page 20) 20 21 25 26 MAIN BOARD (3/4) +3.3V DGND MAIN BOARD REG_TEMP CL300 (4/4) HP_RY CL301...
  • Page 110 STR-DH720/DH720HP 2-19. SCHEMATIC DIAGRAM – MAIN Board (4/4) – MAIN BOARD (2/4) (Page 20) MAIN BOARD (4/4) D910 ~ D913 1SR154-400TE-25 D910 C912 C910 CNP930 2200 D911 D912 F910 POWER T2.5A 250V CL366 R2 AC D913 TRANSFORMER C911 CL367 (MAIN)

  • Page 111: Standby-Avideo Mt Pc Board

    STR-DH720/DH720HP 2-20. PRINTED WIRING BOARD – STANDBY-AVIDEO MT PC Board – • : Uses unleaded solder. J220 COMPONENT VIDEO ASSIGNABLE (INPUT ONLY) SAT/CATV BD/DVD MONITOR (IN 2) (IN 1) J211 J210 STANDBY- VIDEO 1 VIDEO 1 MONITOR SAT/CATV AVIDEO (CHASSIS)

  • Page 112: Schematic Diagram - Standby-Avideo Mt Pc Board

    STR-DH720/DH720HP 2-21. SCHEMATIC DIAGRAM – STANDBY-AVIDEO MT PC Board – STANDBY-AVIDEO MT PC BOARD D203 +4V_DCDC 1SR154-400TE-25 CL210 DCDC +4V_DCDC Q202 D202 2SC3052EF-T1-LEF R232 R3_GND BOARD DA2J10100L CL249 VIDEO DETECT R3_GND CN1500 -0.7 C219 R233 +13V R201 Q201 (Page 5) 2.2k...

  • Page 113: Electrical Parts List

    STR-DH720/DH720HP SECTION 3 DCDC DIGITAL ELECTRICAL PARTS LIST Note: The components identified by mark 0 • Due to standardization, replacements in • CAPACITORS or dotted line with mark 0 are critical for the parts list may be different from the uF: μF...
  • Page 114 STR-DH720/DH720HP DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C2070 1-125-777-11 CERAMIC CHIP 0.1uF C2516 1-100-567-81 CERAMIC CHIP 0.01uF C2072 1-125-777-11 CERAMIC CHIP 0.1uF C2517 1-164-937-11 CERAMIC CHIP 0.001uF C2074 1-165-989-11 CERAMIC CHIP 10uF 6.3V...
  • Page 115 CN2002 1-568-830-11 CONNECTOR, FFC 11P (ECE) (DIGITAL (ASSIGNABLE) OPTICAL SAT/CATV IN) CN2003 1-784-770-11 CONNECTOR, FFC 9P (US, CND) IC2352 6-600-466-01 IC TORX147L (SONY) (TV OPTICAL IN) CN2103 1-842-644-11 CONNECTOR, BOARD TO BOARD 14P IC2421 6-705-337-01 IC TK11150CSCL-G CN2105 1-842-812-11 CONNECTOR, BOARD TO BOARD 19P...
  • Page 116 STR-DH720/DH720HP DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R2108 1-218-965-11 METAL CHIP 1/16W R2622 1-218-941-81 METAL CHIP 1/16W R2111 1-218-965-11 METAL CHIP 1/16W R2626 1-218-941-81 METAL CHIP 1/16W R2112 1-218-941-81 METAL CHIP 1/16W R2741...
  • Page 117 STR-DH720/DH720HP DIGITAL D-VIDEO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R2889 1-208-883-81 METAL CHIP 0.5% 1/16W A-1835-872-A D-VIDEO BOARD, COMPLETE (for SERVICE) *********************** R2891 1-218-953-11 METAL CHIP 1/16W R2892 1-218-953-11 METAL CHIP 1/16W < CAPACITOR >...
  • Page 118 STR-DH720/DH720HP D-VIDEO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C3255 1-125-777-11 CERAMIC CHIP 0.1uF C3512 1-165-492-21 ELECT CHIP 100uF C3256 1-125-777-11 CERAMIC CHIP 0.1uF C3514 1-112-717-91 CERAMIC CHIP 1uF 6.3V C3257 1-125-777-11 CERAMIC CHIP 0.1uF...
  • Page 119 STR-DH720/DH720HP D-VIDEO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C3600 1-112-746-11 CERAMIC CHIP 4.7uF 6.3V FB3002 1-469-139-21 FERRITE, EMI (SMD) (2012) C3601 1-164-937-11 CERAMIC CHIP 0.001uF FB3003 1-469-139-21 FERRITE, EMI (SMD) (2012) C3602 1-164-937-11 CERAMIC CHIP 0.001uF...
  • Page 120 STR-DH720/DH720HP D-VIDEO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R3005 1-218-949-11 METAL CHIP 1/16W R3069 1-218-957-11 METAL CHIP 2.2K 1/16W R3006 1-218-965-11 METAL CHIP 1/16W R3070 1-218-937-11 METAL CHIP 1/16W R3007 1-218-953-11 METAL CHIP 1/16W...
  • Page 121 STR-DH720/DH720HP D-VIDEO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R3262 1-218-938-11 METAL CHIP 1/16W R3536 1-218-933-11 METAL CHIP 1/16W R3264 1-218-963-11 METAL CHIP 6.8K 1/16W R3537 1-218-961-11 METAL CHIP 4.7K 1/16W R3270 1-208-715-11 METAL CHIP 0.5%...
  • Page 122 STR-DH720/DH720HP D-VIDEO MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark RB3508 1-234-370-21 RES, NETWORK 22 (1005X4) C450 1-162-927-11 CERAMIC CHIP 100PF RB3509 1-234-370-21 RES, NETWORK 22 (1005X4) C458 1-126-963-11 ELECT 4.7uF RB3510 1-234-370-21 RES, NETWORK 22 (1005X4)
  • Page 123 STR-DH720/DH720HP MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C758 1-114-989-81 CERAMIC 47PF * CNP930 1-564-508-11 PLUG, CONNECTOR 5P C759 1-114-989-81 CERAMIC 47PF < DIODE > C760 1-126-964-11 ELECT 10uF D301 6-502-961-01 DI DA2J10100L C761...
  • Page 124 STR-DH720/DH720HP MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark J409 1-794-981-11 JACK, PIN 4P Q801 8-729-119-76 TRANSISTOR 2SA1175-HFE (SA-CD/CD AUDIO IN, TV AUDIO IN) Q802 8-729-922-39 TRANSISTOR 2SD2144S-V Q811 6-550-327-01 2SA1514KT146S < JUMPER RESISTOR >...
  • Page 125 STR-DH720/DH720HP MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R453 1-216-821-11 METAL CHIP 1/10W R660 1-249-405-11 CARBON 1/4W R455 1-216-821-11 METAL CHIP 1/10W R661 1-216-214-00 RES-CHIP 4.7K 1/8W R458 1-216-821-11 METAL CHIP 1/10W R662 1-240-855-91 CARBON 6.2K...
  • Page 126 STR-DH720/DH720HP MAIN STANDBY-AVIDEO MT PC Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R810 1-249-405-11 CARBON 1/4W < TERMINAL BOARD > R811 1-216-214-00 RES-CHIP 4.7K 1/8W R812 1-240-855-91 CARBON 6.2K 1/4W TB502 1-694-785-11 TERMINAL BOARD R813...
  • Page 127 STR-DH720/DH720HP STANDBY-AVIDEO MT PC Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < CONNECTOR > R207 1-218-823-11 METAL CHIP 0.5% 1/10W R211 1-211-990-11 METAL CHIP 0.5% 1/10W CN271 1-842-652-11 CONNECTOR, BOARD TO BOARD 14P R212 1-216-813-11...

  • Page 128: Revision History

    STR-DH720/DH720HP REVISION HISTORY Checking the version allows you to jump to the revised page. Also, clicking the version at the top of the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2011.01 2011.04...

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