Sony STR-DA3ES - Block Diagram - Power Amp Section

STR-DA3ES/DA5ES/VA555ES
18 18
– 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
27,56,69
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 17 2 3 4 5
24
20
Q547-549
Q501,503
JW901
JW902
JW901
F902
F802
F901 F904
S902
IMPEDANCE SELECTOR
4Ω 8Ω
F801
Q901
RY901
D901-904
RELAY
DRIVER
+38V
REG
D803-806
D807
F805
T901
POWER
TRANSFORMER
F806
D812
D801,802
D813
F1
F2
Q801
+38V
+B
-B
+3.3VB
BACKUP
STOP PW-RY
ACMUTING
PROTECT
HP-RY
FR-RY
REAR-RY
C-RY
VDD +5VB
SB-RY
3RD-RY
TPOWER OFF
17
DPOWER OFF
19
VPOWER OFF
IC501
POWER AMP
INPUT
+VCC
+VCC
-VEE
+VE OUT
NF
-VE OUT
MUTE
IC701
POWER AMP
INPUT
+VCC
+VCC
-VEE
+VE OUT
NF
-VE OUT
MUTE
IC601
POWER AMP
INPUT
+VCC
+VCC
+B
+B
+B
-B
-B
-B
-VEE
+VE OUT
NF
-VE OUT
MUTE
IC702
IC503
IC502
IC703
IC602
IC652
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
BOOSTER
4 1
RY601
RY651
Q611
Q661
IC2001(3/3)
SYSTEM CONTROL
IC2103(2/2)
DATA DECODER
Q608,609
5
1
4
3
2
12
9
11
2
3
CURRENT
PROTECT
+B
-B
+VE OUT
NF
-VE OUT
IC603
IC653
BOOSTER
BOOSTER
4 1
Q658,659
Q708,709
Q508,509
RV501
IDLING
CURRENT
SURROUND
RV701
IDLING
CURRENT
CENTER
RV601
IDLING
CURRENT
SURR BACK
RV651
RV501
RV701
RELAY
DRIVER
Q621
Q599
Q598
Q707
RY503
RY504
RY702
R CH
R CH
L
R
R
CENTER
SURROUND
SPEAKER
SURR BACK
R
SURR BACK
L
SURR BACK
FRONT
SPEAKER
L
R
SPEAKERS
3RD ROOM
L
PHONES
FL
SL
+B-
-B
+B
CENTER
+B
-B
-B
8
INPUT
SB
TM501
TM671
J101
T902
D906
D907
Q2101
J901
AC
OUTLET
S901
220V
240V
120V
VOLTAGE
SELECTOR
~AC IN
A
AUDIO
SECTION
N
DIGITAL
SECTION
(2/2)
• R-ch is omitted due to same as L-ch
• Signal Path
: CD(ANALOG)
VA555ES: E
EXCEPT
VA555ES: E
VA555ES: AEP,CH,KR
DA3ES, DA5ES, VA555ES: E
VA555ES: AEP,CH,KR
DA3ES, DA5ES, VA555ES: E
RY651
+5V
REG
3 1
IC1810
D+5V
+12V
REG
3 1
IC308
+12V
REG
3 1
IC310
+15V
+12V
REG
3 1
IC309
-15V
RY+12V
+12V
REG
3 1
IC1809
TUN+12V
B+
SWITCH
Q808,1809
+5V
REG
3 1
IC1807
IC1801
DSW+5V
B+
SWITCH
-5V
REG
3 2
IC1804
-5V
+5V
REG
3 1
IC1802
D1801
+3.3V
REG
3 1
IC1801
+3.3VB
+5VB
B+
SWITCH
Q1802
Q1803
Q1807
+5V
REG
3 1
IC1803
+5V
B+
SWITCH
B+
SWITCH
Q1805
Q1806
D1803-1806
+3.3V
REG
3 1
IC1808
TUN+3.3
+3.3V
REG
3 1
IC1805
DSW+3.3VV
+4.7V
REG
4 2
1
IC1806
DSW+4.7V
Q1804
(-24V)
(+9V)
(-9V)
D1902
D1903
IC2105(6/6)
MD2
13 12
120V
0V
120V
100V
0V
D544
D548
D545
D541
D542
D543
D540
DA3ES, DA5ES
RV601
RV651
5
CNP904
DA5ES,VA555ES
DA3ES
AC INLET