Read Sony STR-DA4ES / STR-DA7ES / STR-VA333ES Service Manual online
STR-DA4ES/DA7ES/VA333ES
26
26
6-6. BLOCK DIAGRAM — POWER AMP SECTION —
6
1
13
14
15
2
5
3
5
4
3
2
3
4
1
2
5
1
1
5
5
4
3
2
5
1
4
3
2
5
4
1
2
3
6
13
14
15
2
5
3
1
RELAY
DRIVER
CURRENT
PROTECT
IDLING
CURRENT
FRONT L
RELAY
DRIVER
6
13
14
15
2
5
3
1
73
71
27,56,68
77,97,122
127-129,140
141
60
69
RELAY
DRIVER
RELAY
DRIVER
RELAY
DRIVER
MUTE
CURRENT
PROTECT
DRIVE
2
3
CURRENT
PROTECT
CURRENT
PROTECT
TM601
72
1
7
2 3 4
5
24
Q547-549
Q501,503
JW901
JW902
JW904
F902
F802
F901
S902
IMPEDANCE SELECTOR
4Ω 8Ω
F801
Q901
RY901
D901-904
RELAY
DRIVER
+40V
REG
D803-806
D807
F805
T1
POWER
TRANSFORMER
F806
D812
D801,802
D813
F1
F2
Q801
+40V
+B
-B
Q2101
LEVEL
CHECK
+3.3VB
BACKUP
HP
STOP
PW-RY
ACMUTE
PROTECT
HP-RY
FRA-RY
SURR-RY
C-RY
VDD
+5V
SLB-RY
FRB-RY
17
DPOWER
19
VPOWER
IC501
POWER AMP
INPUT
+VCC
+VCC
+VCC
-VEE
+VE OUT
NF
-VE OUT
MUTE
IC701
POWER AMP
INPUT
+VCC
+VCC
+VCC
-VEE
+VE OUT
NF
-VE OUT
MUTE
IC651
POWER AMP
IC601
POWER AMP
INPUT
+VCC
+VCC
+VCC
+B
+B
+B
-B
-B
-B
-VEE
+VE OUT
NF
-VE OUT
MUTE
IC702
IC503
IC502
IC703
IC654
IC652
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
4
1
RY601
RY651
Q611
Q661
IC2001(3/3)
SYSTEM CONTROL
IC2103(2/2)
DATA DECODER
Q651,652
5
1
4
3
2
12
9
11
2
3
CURRENT
PROTECT
+B
-B
+VE OUT
NF
-VE OUT
1
MUTE
IC655
IC653
BOOSTER
BOOSTER
4
1
Q658,659
Q708,709
Q508,509
RV501
IDLING
CURRENT
SURROUND
RV701
IDLING
CURRENT
CENTER
RV652
IDLING
CURRENT
SURR BACK-L
RV651
RV501
RV701
Q599
Q598
RELAY
DRIVER
Q621
Q707
RY504
RY503
RY702
R CH
R CH
R CH
R CH
L
R
R
CENTER
SURROUND
FRONT
A
L
R
FRONT
B
SPEAKERS
L
PHONES
FL
SL
+BV
-BV
+BV
CENTER
+BV
-BV
-BV
13
14
15
+VCC
+VCC
+VCC
-VEE
+BV
-BV
8 INPUT
SBL
TM501
TMP701(1/2)
TMP701(2/2)
J101
T902
D906
D907
J901
AC
OUTLET
~AC IN
A
AUDIO
SECTION
N
DIGITAL
SECTION
(2/2)
• R-ch is omitted due to same as L-ch
• Signal Path
: CD(ANALOG)
• Signal Path
: CD(ANALOG)
AEP MODEL
EXCEPT AEP MODEL
EXCEPT AEP MODEL
EXCEPT
AEP MODEL
AEP MODEL
EXCEPT
KR MODEL
KR MODEL
KR MODEL
+5V
REG
3
1
IC1810
D+5V
+15V
REG
3
1
IC308
+15V
REG
3
1
IC312
+15V
-15V
REG
3
1
IC309
-15V
+15VA
+12V
REG
3
1
IC310
RY+12V
+12V
REG
1
3
IC802
+12V
(TRIG2)
+12V
(TRIG1)
+12V
(TRIG3)
+12V
REG
1
3
IC803
+12V
REG
1
3
IC801
+12V
REG
3
1
IC1809
TUN+12V
+5V
REG
3
1
IC1807
DSW+5V
B+
SWITCH
-5V
REG
3
2
IC1804
-5V
+7V
+5V
REG
3
1
IC1802
D908
+3.3V
REG
3
1
IC1801
+3.3VB
+5VB
B+
SWITCH
Q1802
Q1803
Q1807
+5V
REG
3
1
IC1803
+5V2
B+
SWITCH
B+
SWITCH
Q1805
Q1806
D1803-1806
-15V
REG
3
2
IC313
-15VA
+3.3V
REG
3
1
IC1808
TUN+3.3V
+3.3V
REG
3
1
IC1805
DSW+3.3V
+4.7V
REG
4
2
1
IC1806
DSW+4.7V
RY661
Q1804
+7V
REG
3
1
IC2112
B+
SWITCH
POWER
SWITCH
Q902-904
Q2104
Q635
Q592
IC635
(-24V)
(+9V)
(-9V)
D1902
D1903
IC2105(6/6)
MD2
13
12
D544
D548
D545
D541
D542
D543
D543
D540
RV652
RV651
5
R CH
R
2
7
SURR BACK
L
LEVEL
DETECT
Q710
+BV
+B
LEVEL
DETECT
Q660
+50V
REG
Q591,593
-BV
-B
-50V
REG
DA4ES,DA7ES
DA7ES
Q1801
CNP904
EXCEPT AEP,KR MODEL
AEP,KR MODEL
AC INLET
(Page
22)
(Page 25)
Click on the first or last page to see other STR-DA4ES / STR-DA7ES / STR-VA333ES service manuals if exist.