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Sony HT-GT1 Service Manual
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Sony HT-GT1 Service Manual

Active subwoofer and sound bar
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SERVICE MANUAL
Ver. 1.2 2015.01
• All of the units included in the HT-GT1 (SA-WGT1/SS-GT1)
are required to confi rming operation of SA-WGT1. Check in
advance that you have all of the units.
Note:
Be sure to keep your PC used for service and
checking of this unit always updated with the
latest version of your anti-virus software.
In case a virus affected unit was found during
service, contact your Service Headquarters.
COMPONENT MODEL NAME
Bar Speaker (Speaker System)
Subwoofer (Active Subwoofer)
• Please refer to service manual separately issued for Bar
Speaker.
Amplifier section
Speaker section
U.S. model:
Speaker system:
POWER OUTPUT AND TOTAL
Subwoofer, Bass reflex
HARMONIC DISTORTION (FTC output
Speaker unit:
power):
180 mm (7
Front L/F ront R:
Rated impedance:
With 3 ohms loads, both channels
4 ohms
driven, from 400 – 10,000 Hz;
Inputs
rated 32 watts per channel
AUDIO IN/PARTY CHAIN IN L/R:
minimum RMS powe r, with no
Voltage 0.8 V, impedance
more than 1.0% total harmonic
47
kilohms
distortion from 250 milliwatts to
OPT IN:
rated output.
Supported audio signal:
Output power (reference):
2-channel Linear PCM
Front L/F ront R:
40 W + 40 W (per channel at 3
Outputs
ohms, 1 kHz)
AUDIO OUT/PARTY CHAIN OUT L/R:
Subwoof er:
Voltage 2 V, impedance 1 kilohm
180 W (at 4 ohms, 100 Hz)
Tuner section
Brazilian model:
FM stereo, FM superheterodyne tuner
Total RMS output power:
Antenna:
200 W
FM lead antenna
Front L/F ront R:
Tuning range:
RMS output power:
USA and Brazilian models:
80 W (40 W per channel × 2, at
87.5 MHz - 108.0  MHz (100 kHz
3 ohms, 1  k Hz, 10% THD*)
step)
Subwoof er:
Other models:
RMS output power:
87.5 MHz - 108.0  MHz (50 kHz
120  W (at 4 ohms, 100 Hz, 10%
step)
THD*)
Other models:
Power output (rated):
Front L/F ront R:
32 W + 32 W (at 3 ohms, 1 kHz, 1%
THD*)
Power output (reference):
Front L/F ront R:
40 W + 40 W (per channel at
3 ohms, 1 kHz)
Subwoof er:
180 W (at 4 ohms, 100 Hz)
* Total Harmonic Distortion
9-896-032-03
Sony Corporation
2015A33-1
©
2015.01
Published by Sony Techno Create Corporation
HT-GT1
SS-GT1
SA-WGT1

SPECIFICATIONS

BLUETOOTH section
Communication system:
BLUETOOTH Standard version 3.0
Output:
1
/
in), cone type
BLUETOOTH Standard Power
8
Class 2
Maximum communication range:
Line of sight approx. 10 m
1)
(33 feet)
Frequency band:
2.4 GHz band (2.4000 GHz –
2.4835
GHz)
Modulation method:
FHSS (Freq Hopping Spread
Spectrum)
2)
Compatible BLUETOOTH profiles
A2DP (Advanced Audio
Distribution Profile)
AVRCP 1.3 (Audio Video Remote
Control Profile)
Supported codecs:
SBC (Sub Band Codec)
AAC (Advanced Audio Coding)
1)
The actual r ange will vary depending
on factors such as obstacles between
devices, magnetic fields around a
microwave oven, static electricity,
reception sensitivity, antenna's
performance, operating system,
software application, etc.
2)
BLUETOOTH standard profiles
indicate the purpose of BLUETOOTH
communication between devices.
USB section
General
Supported format:
Power requirements:
MP3 (MPEG 1 Audio Layer-3):
32 kbps – 320 kbps, VBR
WMA:
48 kbps – 192 kbps
AAC:
48 kbps – 320 kbps
WAV:
16 bit PCM
Sampling frequencies:
MP3 (MPEG 1 Audio Layer-3):
32 kHz/44.1 kHz/48 kHz
Power consumption:
WMA:
32 kHz/44.1 kHz/48 kHz
Power consumption (at the Power
:
AAC:
Saving mode):
32 kHz/44.1 kHz/48 kHz
WAV:
8 kHz – 48 kHz
Supported USB device:
Mass Storage Class
Maximum current:
1 A
(USB) port:
Dimensions (W/H/D) (Approx.):
Type A
Mass (Approx.):
Quantity:
ACTIVE SUBWOOFER
HT-GT1
SA-WGT1
US Model
AEP Model
UK Model
E Model
Australian Model
Supplied accessories
Optical digital cable (1)
USA and Mexican models:
Remote control (1)
AC 120 V, 60 Hz
R03 (Size AAA) batteries (2)
Latin American model (except for
FM lead antenna (1)
Bolivian, Chilean, Argentine, and
Mexican models):
Design and specifications are subject
AC 110 V – 240 V, 50/60 Hz
to change without notice.
Saudi Arabian,African and Irarian
models:
AC 120 V – 240 V, 50/60 Hz
Other models:
AC 220 V – 240 V, 50/60 Hz
70 W
European model:
0.5 W (When BLUETOOTH standby
mode is set to off)
6 W (When BLUETOOTH standby
mode is set to on)
Other models:
0.5 W
Active subwoofer:
290 mm × 420 mm × 275 mm
(11
3
/
in × 16
1
/
in × 10
7
/
in )
8
2
8
Speaker system:
800 mm × 110 mm × 102 mm
1
3
(31
/
in × 4
/
in × 4 in )
2
8
Active subwoofer:
7.1 kg (15 lb 10
1
/
oz)
2
Speaker system:
2.8 kg (6 lb 2
3
/
oz)
4
Active subwoofer:
1 piece
Speaker system:
1 piece
SOUND BAR
SA-WGT1
HT-GT1

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  • Page 1: Specifications

    Ver. 1.2 2015.01 UK Model E Model Australian Model • All of the units included in the HT-GT1 (SA-WGT1/SS-GT1) are required to confi rming operation of SA-WGT1. Check in advance that you have all of the units. Note: Be sure to keep your PC used for service and checking of this unit always updated with the latest version of your anti-virus software.
  • Page 2 Bluetooth SIG, Inc. and Leakage current can be measured by any one of three methods. any use of such marks by Sony Corporation is under license. Other 1. A commercial leakage tester, such as the Simpson 229 or RCA trademarks and trade names are WT-540A.

  • Page 3: Table Of Contents

    HT-GT1 TABLE OF CONTENTS SERVICING NOTES DIAGRAMS ..........6-1. Block Diagram - MAIN Section - ........29 DISASSEMBLY 6-2. Block Diagram - AMP Section - ........30 6-3. Block Diagram 2-1. Disassembly Flow ............- PANEL/POWER SUPPLY Section - ......31 2-2.

  • Page 4: Servicing Notes

    HT-GT1 Ver. 1.2 SECTION 1 SERVICING NOTES The SERVICING NOTES contains important information for servicing. Be sure to read this section before repairing the unit. UNLEADED SOLDER MODEL IDENTIFICATION Boards requiring use of unleaded solder are printed with the lead- Distinguish by Part No.
  • Page 5 HT-GT1 ADVANCE PREPARATION WHEN CONFIRMING OP- ERATION All of the units included in the HT-GT1 (SA-WGT1/SS-GT1) are required to confi rming operation of SA-WGT1. Check in advance that you have all of the units. NOTE OF PERFORMING THE OPERATION CHECK IN...

  • Page 6: Disassembly

    HT-GT1 SECTION 2 DISASSEMBLY • This set can be disassembled in the order shown below. 2-1. DISASSEMBLY FLOW 2-2. SIDE L, R PANEL 2-20. SERVICE POSITION (Page 7) (Page 24) 2-3. TOP PANEL BLOCK (Page 8) 2-4. FRONT PANEL BLOCK 2-7.

  • Page 7: Side L, R Panel

    HT-GT1 Note: Follow the disassembly procedure in the numerical order given. 2-2. SIDE L, R PANEL 1 two tapping screws (HEX) 4 saranet cushion (10T25) 6 side R panel 4 saranet cushion (10T25) 2 two screws (BVTP3 3 Remove the side L panel block in the direction of the arrow.

  • Page 8: Top Panel Block

    HT-GT1 2-3. TOP PANEL BLOCK 4 seven claws 8 top panel block MAIN board CN3004 5 Lift up the top panel block in the direction of the arrow. rear 2 screw side (BV3) clamp flexible flat cable (13P) 6 connector...

  • Page 9: Front Panel Block

    HT-GT1 2-4. FRONT PANEL BLOCK 4 connector (CN3005) 3 flexible flat cable (14P) 1 Remove the wire (CN3003) from the clamp. 2 flexible flat cable (8P) (CN3002) rear side clamp MAIN board 5 Insert the jig into the space and slowly remove the front panel block.

  • Page 10: Nfc Module (Nfc1)

    HT-GT1 2-5. NFC MODULE (NFC1) flexible flat cable (8P) The lower side is the terminal side. 5 filament tape (sub material) 3 screw flexible flat cable (8P) (BVTP2.6) 6 flexible flat cable (8P) top side (FFC3) NFC holder block 8 NFC module...

  • Page 11: Bluetooth Module (Bt1)

    HT-GT1 2-6. BLUETOOTH MODULE (BT1) flexible flat cable (14P) flexible flat cable (14P) saranet cushion (15T50) The lower side is top side the terminal side. 5 filament tape bluetooth module (sub material) 6 flexible flat cable (14P) (FFC4) 2 saranet cushion...

  • Page 12: Panel Board Block

    HT-GT1 2-7. PANEL BOARD BLOCK 1 Remove the wire from the clamp. BUTTON board clamp PANEL board – Top panel block rear bottom view – 2 screw 3 clamp (BVTP2.6) 6 PANEL board block 5 connector (CN301) 2 screw (BVTP2.6) 4 Lift up the PANEL board block in the direction of the arrow.

  • Page 13: Button Assy

    HT-GT1 2-8. BUTTON ASSY 1 two screws (BVTP2.6) ire ettin 2 USB board VOL board clamp Note: Do not touching to top panel assy. top panel assy 3 Remove the wire from the clamp. 4 four screws (BVTP2.6) – Top panel block rear bottom view –...

  • Page 14: Knob Assy

    HT-GT1 2-9. KNOB ASSY Note: When installing the knob assy, aline the two ribs of knob assy and the shaft. VOL board block – Bottom view – – Top view – knob assy shaft 1 eight screws (BVTP2.6) 3 VOL board block 4 Draw the knob assy in the direction of the arrow.

  • Page 15: Top Panel Assy

    HT-GT1 2-10. TOP PANEL ASSY 2 PEF cushion 1 PEF cushion (7T100) (7T100) 2 PEF cushion (7T100) 1 PEF cushion (7T100) – Top panel block rear bottom view – 3 saranet cushion 4 saranet cushion (15T50) (15T50) 4 saranet cushion...

  • Page 16: Rear Panel Block

    HT-GT1 2-11. REAR PANEL BLOCK Note: When installing the flexible flat cable, ensure that ire e i the colored line is parallel to the connector after insertion. MAIN board clamp CN4003 Insert at a slant. Insert straight into the interior.

  • Page 17: Dc Fan (M1)

    HT-GT1 2-12. DC FAN (M1) 1 four screws (BVTP3 2 EVA cushion (20T50) 3 DC fan (M1) 2-13. TUNER BOARD 3 two screws (BVTP3 6 plate (top) shield 1 filament tape 7 TUNER board (sub material) 2 flexible flat cable (9P)

  • Page 18: Main Board-1

    HT-GT1 2-14. MAIN BOARD-1 • Continued on 2-15 (page 19). 4 flexible flat cable (14P) 3 flexible flat cable (8P) (CN3003) (CN3002) 5 connector (CN3005) MAIN board 2 connector (CN2001) CN2001 rear side 1 Remove the wire CN2001 MAIN board from the clamp.

  • Page 19: Main Board-2

    HT-GT1 2-15. MAIN BOARD-2 1 Remove the wire from the clamp. clamp CN4002 rear side MAIN board 2 connector 8 AMP heatsink (CN4002) 4 screw (BV3) 4 screw 5 clamp (BV3) 4 two screws 4 screw (BV3) (BV3) 5 clamp...

  • Page 20: Sub Chassis

    HT-GT1 2-16. SUB CHASSIS 1 screw 1 screw (BV3) (BV3) 3 sub chassis sub chassis 2 clamp 1 screw (BV3) 2 clamp 1 screw (BV3) groove power cord...

  • Page 21: Power Cord (Ac1)

    HT-GT1 Ver. 1.1 2-17. POWER CORD (AC1) Note: Ferrite core (Ref. No. FC1) and PEF cushion (T100) are deleted from the midway of production. (E3, E12, E32, E51, MX, BR, SP) 5 cord bushing (FBS001) 4 ferrite core 6 power cord...

  • Page 22: Smps Board

    HT-GT1 2-18. SMPS BOARD 1 four screws (BV3) 1 four screws (BV3) 2 SMPS board...

  • Page 23: Loudspeaker (18 Cm) (Sp1)

    HT-GT1 2-19. LOUDSPEAKER (18 cm) (SP1) loudspeaker (18 cm) terminal position 4 loudspeaker (18 cm) (SP1) 1 six tapping screws (3.5 terminal (narrow side) terminal 2 Remove the loudspeaker (18 cm) (SP1) (wide side) in the direction of the arrow.

  • Page 24: Service Position

    HT-GT1 2-20. SERVICE POSITION top panel block MAIN board insulating sheet stand...

  • Page 25: Test Mode

    HT-GT1 SECTION 3 TEST MODE 1. TEST MODES OTHER THAN THE TEST MODE 2. TEST MODES IN THE TEST MODE MENU MENU These are the test modes done in the test mode menu. These are executable test mode even if not entering the test mode Setting method of the test mode menu: menu.
  • Page 26 HT-GT1 2-2. Panel Test Mode 5. In the state of step 4, press the [ TUNING +] button and > It can confi rm the lighting of liquid crystal display and LEDs, op- model name “GV” is displayed on the liquid crystal display.

  • Page 27: Electrical Check

    HT-GT1 SECTION 4 ELECTRICAL CHECK 0 dB = 1 V 7. When pressing the [ – TUNING] button, “K 0 V0” is dis- TUNER SECTION played on the liquid crystal display. FM TUNE LEVEL CHECK Screen display signal generator unit 8.

  • Page 28: Troubleshooting

    HT-GT1 SECTION 5 TROUBLESHOOTING 1. When sound is not outputted Sound is not outputted Sound is not output from all functions. The voltage of the following Fuse (F100) on the SMPS Replace the fuse (F100) on the pin is 36 V.

  • Page 29: Diagrams

    HT-GT1 SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM - MAIN Section - DIGITAL AUDIO INTERFACE RECEIVER IC1006 OPTICAL OPT IN RECEIVER 31 RXIN4 DOUT IC5005 LRCK AMP_DATA_LR, AMP_DATA_SW, AUDIOLINK_DATA, X1003 AMP_BCK, AMP_MCK, 24.576MHz AMP_LRCK, BCK, DOUT >001B (Page 30) 24 23 25 26 2 1 34...

  • Page 30: Block Diagram - Amp Section

    HT-GT1 6-2. BLOCK DIAGRAM - AMP Section - AMP_DATA_LR, AMP_DATA_SW, AUDIOLINK_DATA, D/A CONVERTER POWER AMP AMP_BCK, AMP_MCK, IC004 IC002 TB003 AMP_LRCK, BCK, DOUT –2 AMP_DATA_LR >001B 2 DATA VOUTL 10 INPUT_C OUT_C_36 AMP_BCK DAC LPF PRE AMP 1 BCK OUT_C_37 –...

  • Page 31: Block Diagram - Panel/Power Supply Section

    HT-GT1 6-3. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section - REMOTE CONTROL RECEIVER 5 SIRCS IC601 LCD DRIVER IC401 D4010 ND401 SEG0 – SEG31 99 DP SDA LIQUID 100 DP SCL D4019 CRYSTAL COM0 – COM3 95 DP CS D4017 DISPLAY...
  • Page 32 HT-GT1 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. PANEL board BUTTON board Note: Note: •...

  • Page 33: Schematic Diagram - Main Section (1/5)

    HT-GT1 6-4. SCHEMATIC DIAGRAM - MAIN Section (1/5) - • See page 42 for Waveforms. • See page 46 for IC Block Diagrams. • See page 50 for IC Pin Function Description. MAIN BOARD (1/5) >101S BT_PCM_OUT MAIN BT_PCM_SYNC BOARD...

  • Page 34: Schematic Diagram - Main Section (2/5)

    HT-GT1 6-5. SCHEMATIC DIAGRAM - MAIN Section (2/5) - • See page 46 for IC Block Diagrams. MAIN BOARD (2/5) AMP_DATA_LR AMP_LRCK >107S AMP_DATA_SW MAIN AMP_BCK BOARD AMP_MCK (1/5) IC004 IC005 (Page 33) DGND AVDD+5V D/A CONVERTER D/A CONVERTER IC004...

  • Page 35: Schematic Diagram - Main Section (3/5)

    HT-GT1 6-6. SCHEMATIC DIAGRAM - MAIN Section (3/5) - • See page 46 for IC Block Diagrams. MAIN BOARD (3/5) C5050 R5086 AL_LINE_MUTE O_BIAS >114S R5007 C5040 100k MAIN BOARD I_BIAS_DETECT (4/5) J5001 R5060 C5019 R5030 R5058 R5087 C5021 100k...

  • Page 36: Schematic Diagram - Main Section (4/5)

    HT-GT1 6-7. SCHEMATIC DIAGRAM - MAIN Section (4/5) - • See page 42 for Waveforms. • See page 50 for IC Pin Function Description. MAIN BOARD (4/5) >116S PROTECT MAIN (Page 37) BOARD (5/5) TAS_INT D3.3V TAS_INT DIR_DOUT TAS_RESET DIR_DOUT TAS_RESET >106S...

  • Page 37: Schematic Diagram - Main Section (5/5)

    HT-GT1 6-8. SCHEMATIC DIAGRAM - MAIN Section (5/5) - • See page 42 for Waveforms. • See page 46 for IC Block Diagrams. MAIN BOARD (5/5) PVDD_ON D4005 >115S CUS357,H3SONYF AC_DET D5.2V MAIN FAN_SPEED BOARD JC4003 (4/5) P_ON Q4003 (Page 36)

  • Page 38: Printed Wiring Boards - Main Section (1/2)

    HT-GT1 6-9. PRINTED WIRING BOARDS - MAIN Section (1/2) - • See page 32 for Circuit Boards Location. • : Uses unleaded solder. SPK-LED-H-L BOARD (SIDE A) D911 SPEAKER CN911 D911 ILLUMINATION FFC2 TUNER ANTENNA (11) 1-893-772- BOARD (CHASSIS) D911...

  • Page 39: Printed Wiring Board - Main Section (2/2)

    HT-GT1 6-10. PRINTED WIRING BOARD - MAIN Section (2/2) - • See page 32 for Circuit Boards Location. • : Uses unleaded solder. MAIN BOARD (CONDUCTOR SIDE) J5001 TB003 AUDIO OUT AUDIO IN SPEAKERS PARTY CHAIN OUT PARTY CHAIN IN...

  • Page 40: Printed Wiring Boards - Key Section

    HT-GT1 Ver. 1.1 6-11. PRINTED WIRING BOARDS - KEY Section - • See page 32 for Circuit Boards Location. • : Uses unleaded solder. CL306 CN301 CL305 R305 >07P CL304 CL303 PANEL CL302 BOARD C301 CN402 (Page 42) S301 – 310...

  • Page 41: Schematic Diagram - Key Section

    HT-GT1 6-12. SCHEMATIC DIAGRAM - KEY Section - USB BOARD BUTTON BOARD CN702 CN301 CL702 >01S CN701 VBUS CL703 CL301 R701 0 D301 MAIN D– BT_LED_A 1L0352B13F0MIT02 R702 0 CL704 CL302 BOARD >07S C303 BT_LED_K (1/5) CL701 CL705 CL303 BLUETOOTH...

  • Page 42: Printed Wiring Board - Panel Board

    HT-GT1 Ver. 1.1 • Waveforms 6-13. PRINTED WIRING BOARD - PANEL Board - • See page 32 for Circuit Boards Location. • : Uses unleaded solder. – MAIN Board – IC1002 qg (XOUT_PLL) IC1008 4 (XTALO) IC3001 qa (Xout) PANEL BOARD 1.9 Vp-p...

  • Page 43: Schematic Diagram - Panel Board

    HT-GT1 6-14. SCHEMATIC DIAGRAM - PANEL Board - • See page 46 for IC Block Diagrams. PANEL BOARD ND401 LIQUID CRYSTAL DISPLAY D401 CN401 1L043RW32EOCI7A11(WHITE) CL407 (LCD BACK LIGHT) CL450 D5.2V CL436 CL440 R402 R407 LCD_INH CL441 BT_LED_K CL439 FFC1...

  • Page 44: Printed Wiring Board - Smps Board

    HT-GT1 Ver. 1.1 6-15. PRINTED WIRING BOARD - SMPS Board - • See page 32 for Circuit Boards Location. • : Uses unleaded solder. (AC IN) SMPS BOARD (CHASSIS) CN100 C103 C102 JL100 JL101 ET1001 ET1003 ET100 (CHASSIS) (CHASSIS) Q1005...

  • Page 45: Schematic Diagram - Smps Board

    HT-GT1 6-16. SCHEMATIC DIAGRAM - SMPS Board - • See page 46 for IC Block Diagrams. SMPS BOARD ET100 CL100 CL102 C102 C112 C116 C119 C120 C128 0.001 0.001 100p 100p 470p (CHASSIS) 250V 250V 250V 250V 250V 250V C130...
  • Page 46 HT-GT1 • IC Block Diagrams IC1002 BU94502AMUV – MAIN Board – IC002 TAS5613APHDR DVSSIO 1 SD CARD AUDIO CONTROLLER RESETX 2 AMUTE SOUND DVDDIO TMODE 3 EFFECTER OC_ADJ 1 LED_REPEAT/MCLK RESET 2 KEY_COL1/IRPTO 4 MP3/WMA/ LED_PUSB/DATA C_STARTUP 3 KEY_COL2/SEARCH 5...
  • Page 47 HT-GT1 IC1006 PCM9211PTR 33 32 31 30 29 28 RXIN0 37 MD1/SDA MD0/ADR0 RESET & SPI/I2C MODE SETTING INTERFACE POWER SUPPLY DVDD DGND REGISTER RECOUT1 POWER SUPPLY RECOUT0 AUTO ADC CLOCK ANALOG GNDRX 38 (SCK/BCK/LRCK) RXIN7 DIVIDER SCKO DOUT MAIN...
  • Page 48 HT-GT1 IC4002, 4005 BD00GA3WEFJ-E2 SOFT IC4004 TPS54260 10 PH 9 GND BOOT BOOT 1 UNDERVOLTAGE LOCKOUT 8 COMP BOOT CHARGE OVERLOAD MAXIMUM RECOVERY CLAMP VIN 2 UNDERVOLTAGE THERMAL LOCKOUT SHUTDOWN MAXIMUM CLAMP PULSE SKIP SHUTDOWN LOGIC VOLTAGE REFERENCE COMPARATOR ENABLE...
  • Page 49 HT-GT1 – SMPS Board – IC100 SSC6700 DRIVE REG GND 1 PROTECTION VCC 2 LATCH DRIVE REG & ICONST BURST CONTROL START STOP BURST OLP 3 OCP2 OCP2 FB 4 TON (MIN) BURST CONTROL OCP1 OCP1BD BOTTOM SELECTOR COUNTER...
  • Page 50 HT-GT1 • IC Pin Function Description MAIN BOARD IC3001 R5F3650NCDFB (SYSTEM CONTROLLER) Pin No. Pin Name Description LED_BLUE Not used LED_GREEN Not used MIC_DET Not used Not used SIRCS SIRCS signal input from remote control receiver BYTE External data bus width selection signal input terminal Fixed at “L”...
  • Page 51 HT-GT1 Pin No. Pin Name Description DIR_DOUT Serial data output to the digital audio interface receiver DIR_DIN Serial data input from the digital audio interface receiver DIR_CLK Serial data transfer clock signal output to the digital audio interface receiver DIR_FLAG1...
  • Page 52 HT-GT1 MAIN BOARD IC1008 TAS3108DCPR (AUDIO DSP) Pin No. Pin Name Description AVSS Ground terminal (analog system) VR_PLL External capacitor connection terminal for internal regulator XTALI System clock input terminal (12.288 MHz) XTALO System clock output terminal (12.288 MHz) MCLKI...

  • Page 53: Exploded Views

    HT-GT1 Ver. 1.1 SECTION 7 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • The mechanical parts with no reference The components identifi ed 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 54: Top Panel Section

    HT-GT1 Ver. 1.1 7-2. TOP PANEL SECTION • Rear bottom view not supplied not supplied (VOL board) (BUTTON board) FFC1 not supplied not supplied not supplied not supplied not supplied (PANEL board) not supplied not supplied not supplied not supplied...

  • Page 55: Front Panel Section

    HT-GT1 Ver. 1.2 7-3. FRONT PANEL SECTION • Rear view NFC1 not supplied not supplied not supplied FFC4 FFC3 not supplied (US, MX) MAIN board section not supplied not supplied not supplied not supplied (SPK-LED-H-L board) not supplied (IR board)

  • Page 56: Main Board Section

    HT-GT1 7-4. MAIN BOARD SECTION • Rear view not supplied FFC2 not supplied not supplied not supplied not supplied SMPS board section Note 1: When the complete MAIN board is replaced, refer to “NOTE OF Note 2: As for SERVICE WIRE KIT, all fl at fl exible cables (Ref. No.

  • Page 57: Smps Board Section

    HT-GT1 Ver. 1.2 7-5. SMPS BOARD SECTION • Rear view not supplied not supplied (US, AEP, RU, UK, (SMPS board) AUS, EA) (E32) ACP1 not supplied not supplied not supplied not supplied not supplied Note: Ferrite core (Ref. No. FC1) and PEF cushion (T100) are deleted from the midway of production.

  • Page 58: Speaker Cabinet Section

    HT-GT1 Ver. 1.1 7-6. SPEAKER CABINET SECTION not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-546-027-01 FOOT, RUBBER 1-859-060-11 LOUDSPEAKER (18 cm) 4-874-614-02 SCREW (1) (3.5X14), TAPPING...

  • Page 59: Electrical Parts List

    HT-GT1 SECTION 8 BUTTON MAIN ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in • CAPACITORS When indicating parts by reference num- the parts list may be different from the uF: μF ber, please include the board name. parts specifi ed in the diagrams or the com- •...
  • Page 60 HT-GT1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C038 1-118-403-11 CERAMIC CHIP 0.001uF C111 1-164-933-11 CERAMIC CHIP 220PF C039 1-118-050-11 CERAMIC CHIP 10uF C112 1-164-933-11 CERAMIC CHIP 220PF C040 1-118-050-11 CERAMIC CHIP 10uF C113...
  • Page 61 HT-GT1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C1070 1-162-927-11 CERAMIC CHIP 100PF C5012 1-116-713-11 CERAMIC CHIP 22uF C1071 1-162-927-11 CERAMIC CHIP 100PF C5013 1-126-601-11 ELECT CHIP 2.2uF C1072 1-126-964-11 ELECT 10uF C5014 1-118-041-11 CERAMIC CHIP 4.7uF...
  • Page 62 HT-GT1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D4008 8-719-053-18 DIODE 1SR154-400TE-25 < COIL > D4009 6-503-027-01 DIODE DZ2J13000L L005 1-482-158-11 CHOKE COIL 10uH D4010 6-503-020-01 DIODE DZ2J082M0L L006 1-482-158-11 CHOKE COIL 10uH D4012...
  • Page 63 HT-GT1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R021 1-250-312-21 METAL CHIP 1/2W R084 1-216-825-11 METAL CHIP 2.2K 1/10W R022 1-250-312-21 METAL CHIP 1/2W R085 1-216-825-11 METAL CHIP 2.2K 1/10W R025 1-216-833-11 METAL CHIP...
  • Page 64 HT-GT1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1028 1-216-809-11 METAL CHIP 1/10W R1093 1-216-797-11 METAL CHIP 1/10W R1030 1-218-990-81 SHORT CHIP R1094 1-216-809-11 METAL CHIP 1/10W R1031 1-216-791-11 METAL CHIP 1/10W R1095 1-218-929-11...
  • Page 65 HT-GT1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R3057 1-218-941-81 METAL CHIP 1/16W R3127 1-218-990-81 SHORT CHIP R3060 1-218-973-11 METAL CHIP 1/16W R3128 1-218-990-81 SHORT CHIP R3061 1-216-833-11 METAL CHIP 1/10W R3129 1-218-990-81 SHORT CHIP...
  • Page 66 HT-GT1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R4038 1-216-864-11 SHORT CHIP R5030 1-216-843-11 METAL CHIP 1/10W R4039 1-216-825-11 METAL CHIP 2.2K 1/10W R5031 1-216-837-11 METAL CHIP 1/10W R4040 1-216-841-11 METAL CHIP 1/10W R5033...
  • Page 67 HT-GT1 MAIN PANEL SMPS Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R5093 1-250-497-11 METAL CHIP 1.2K 1/16W SMPS BOARD R5094 1-250-521-11 METAL CHIP 1/16W *********** R5095 1-218-965-11 METAL CHIP 1/16W R5096 1-218-977-11 METAL CHIP 100K...
  • Page 68 HT-GT1 SMPS Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 0 D119 6-503-036-01 DIODE DZ2J220M0L 0 R115 1-249-401-91 CARBON 1/4W 0 D120 6-503-731-01 DIODE SARS10 0 R116 1-249-401-91 CARBON 1/4W 0 D121 6-503-032-01 DIODE DZ2J180M0L 0 R117...
  • Page 69 HT-GT1 Ver. 1.2 SMPS SPK-LED-H-L TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1044 1-216-833-11 METAL CHIP 1/10W VOL BOARD R1045 1-216-833-11 METAL CHIP 1/10W ********** R1047 1-216-797-11 METAL CHIP 1/10W R1048 1-216-815-11 METAL CHIP 1/10W <...
  • Page 70 HT-GT1 Ver. 1.2 Ref. No. Part No. Description Remark ACCESSORIES ************ 4-542-874-12 MANUAL, INSTRUCTION (ENGLISH) (US, UK, E3, E12, E32, E51, AUS, EA, SP) 4-542-874-22 MANUAL, INSTRUCTION (FRENCH) (AEP, E3, E32, EA) 4-542-874-32 MANUAL, INSTRUCTION (SPANISH) (US, AEP, E32, E51, AR)
  • Page 71 HT-GT1 MEMO...

  • Page 72: Revision History

    HT-GT1 REVISION HISTORY Ver. Date Description of Revision 2014.07 2014.09 Addition of US, Russian, Mexican, Chilean, Peruvian, Brazilian and Singapore models Change of BUTTON, DISPLAY, IR, SMPS, USB and VOL boards (Suffi x-12) Deletion of FERRITE CORE (FC1) and PEF CUSHION (T100) (African, Latin American, Mexican, Chilean, Peruvian, Brazilian, Singapore, Indian and Iranian models) Deletion of Part No.

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