Block Diagram - Power Amp Section - Sony STR-DA3300ES Service Manual
Multi channel av receiver
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Also See for STR-DA3300ES:
- Operating instructions manual (294 pages) ,
- Service manual (242 pages) ,
- Technical bulletin (7 pages)
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6-6. BLOCK DIAGRAM – POWER AMP Section –
PRE DRIVE
Q1501 – 1505
FRONT-L
BIAS
Q1521
BIAS ALIGNMENT
PRE DRIVE
SL
Q1701 – 1705
BIAS
Q1871
32
(Page
32)
BIAS ALIGNMENT
PRE DRIVE
SBL
Q1801 – 1805
BIAS
Q1771
BIAS ALIGNMENT
PRE DRIVE
C
Q1601 – 1605
BIAS
Q1571
BIAS ALIGNMENT
(DA3300ES)
L PREOUT
R-CH
SL PREOUT
R-CH
33
SBL PREOUT
(Page
32)
R-CH
C PREOUT
W PREOUT
RY4051
RY4052
RELAY DRIVE
RELAY DRIVE
Q4051
STR-DA3300ES/DG1100
BOOSTER
Q1507, 1508
CURRENT
CURRENT
LIMITTER
LIMITTER
DETECT
DETECT
DETECT
IC1901
Q1522, 1523
Q1524
Q1907, 1908
RV1501
LEVEL
DETECT
Q1904 – 1906
BOOSTER
Q1707, 1708
CURRENT
CURRENT
DETECT
DETECT
Q1872, 1873
Q1874
RV1851
BOOSTER
Q1807, 1808
CURRENT
CURRENT
DETECT
DETECT
Q1772, 1773
Q1774
RV1751
R-CH
R-CH
BOOSTER
Q1607, 1608
CURRENT
CURRENT
DETECT
DETECT
Q1572, 1573
Q1574
RV1551
(DG1100)
RY4053
RY4054
RY4081
RELAY DRIVE
RELAY DRIVE
RELAY DRIVE
Q4052
Q4053
Q4054
Q4081
HP SW
R-CH
HP-RY
RELAY DRIVE
Q1009
LIMITTER
37
(Page 36)
PROTECT
R-CH
SP-A
RELAY DRIVE
Q1007
SP-B
RELAY DRIVE
Q1008
R-CH
R-CH
REAR-RY
RELAY DRIVE
Q4001
SB-RY
RELAY DRIVE
Q4002
C-RY
RELAY DRIVE
Q1006
J4051
L
FRONT
R
L
SURROUND
R
PRE OUT
L
SUR
BACK
R
J4052
CENTER
SUB
WOOFER
J4081
PRE OUT
SUB
WOOFER
PREOUT-RY
33
33
J702
PHONES
RY1009
TB1001
+
L
−
FRONT A
+
−
R
+
−
L
+
FRONT B
−
R
RY1007
RY1008
TB4001
SPEAKERS
+
L
−
SURROUND
+
−
R
+
−
L
SURROUND
+
BACK
−
R
RY4001
RY4002
TB1301
+
CENTER
−
RY1006
HP SW
HPSW
HP-RY
HP-RY
SP-A
SP-A-RY
SP-B
SP-B-RY
5
REAR-RY
REAR-RY
SB-RY
(Page 28)
SB-RY
C-RY
C-RY
PREOUT-RY
PREOUT-RY
STR-DA3300ES/DG1100
• R-CH is omitted due to same as L-CH.
• SIGNAL PATH
: AUDIO (ANALOG)
- Quick Links:
- Disassembly Flow
- Test Mode
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