Block Diagram - Power Section - Sony STR-DG500 Service Manual

STR-DG500/DG600
4-6. BLOCK DIAGRAM — POWER SECTION —
IN 2 PRE
L-CH 8
DRIVE
R-CH
R-CH
IN 2 PRE
SL-CH 8
DRIVE
SR-CH R-CH
TUNER/
E
AUDIO
SECTION
IN2 PRE
C-CH 1
(Page 15) DRIVE
IN1 PRE
SBL-CH 6
DRIVE
DG600
IN+ PRE
SBR-CH
1
DRIVE
PROTECTOR 61
HP_RY 62
FRONT RY 66
REAR_RY 69
C/SB RY 68
HP DETECT
55
SP_B_RY 67
SYSTEM
CONTROL
IC1101 (5/5)
BRIDGEABLE RY
72
P0WER RY 58
STOP 48
STR-DG500/DG600
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PRE DRIVER
IC701
+VOUT2
12
DRIVE -VOUT2
11 POWER AMP
Q701-704
-B-1 +B-1
PRE DRIVER
IC601
+VOUT2
12
DRIVE -VOUT2
11 POWER AMP
Q651-654
-B-1 +B-1
PRE DRIVER
IC501
+VOUT2
12
DRIVE -VOUT2
11 POWER AMP
Q501-504
+VOUT1
2
DRIVE -VOUT1
3 POWER AMP
Q533,534,571,572
-B-1 +B-1
PRE DRIVER
IC2501
+VOUT
6
DRIVE -VOUT
POWER AMP
5
Q2572-2574
-B-1 +B-1
PROTECTOR
D721,722,732
Q722,723,725,793,795
+B
HP-RY
-B
FRONT-RY
B- SWITCH
-B-1
-20V
Q691,692
REAR-RY
TU+10V
C/SB RY
IC691
TU+3.3V
HP DETECT
OVERLOAD
2 7
DETECT AMP
+7V
SB-RY
B+ SWITCH -7V
+B-1
Q693-695
+5V-2
+5V-1
+2.6V
+3.3V
+3.3V
(STBY)
DRIVER
CURRENT OVERLOAD
DETECT DETECT
Q705,706 D740,Q740
R-CH R-CH
DRIVER
R-CH
DRIVER
CURRENT OVERLOAD
DETECT DETECT
Q655,656 D640,Q640
R-CH R-CH
R-CH
CURRENT OVERLOAD
DETECT DETECT
Q505,506 D540,Q540
CURRENT OVERLOAD
DETECT DETECT
Q535,536 D580,Q580
CURRENT OVERLOAD
DETECT DETECT
Q2575,2576 D2575,Q2577
-20V REG
Q801 IC1902
+9V
3 1
REG
IC1071
AEP,UK MODEL
+3.3V
3 1
IC801
+15V
REG
+7V
1 3
REG
-7V
3 1
REG
IC1001
IC802
+5V -15V
3 1
REG
+5V
3 1
REG
IC1901
IC1031
5
+3.3V/+2.6V
4
REG
2
IC1904
+3.3V
3 1
REG
20 20
DG600
J310
-1
L
SURROUND
-2
R-CH
R
R-CH
TM600(DG600)
TM602(DG500)
L
RELAY
FRONT B
R-CH
Q790 R
RY791
RELAY
TM601
Q800
RY600 L
RELAY
R-CH FRONT A
Q710
R
RY701
RY601
L
RELAY SURROUND
DRIVER
R-CH
Q610 R
RY501
RELAY
DRIVER
TM501
Q550
CENTER
DG500
DG600
L
RELAY
DRIVER
Q760
RY500
SURROUND
TM502
R
POWER
TRANSFORMER
RELAY
SWITCH
RECT
D802
RELAY
DRIVER
Q809
RY801(EXCEPT CND)
RY802,803(CND)
R810
RECT
D920-923
R811
AC1
R910
RECT
D805-808
AC2
F1
F2
RY901
RELAY
DRIVER
POWER
Q901
TRANSFORMER
RECT
D910-913
AC IN
DETECT
Q921
D914 D915
PRE OUT
J791
PHONES
SPEAKERS
IMPEDANCE
USE 8-16Ω
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.
• Abbreviation
BACK CND: Canadian mode
E2 : 120V AC area in E model
S901
E2 MODEL
VOLTAGE
SELECTOR
T901
240V
220V
S901
-3
120V
-2
-1
DG600
J911
AC OUTLET
EXCEPT
E2 MODEL
F902
T902
EXCEPT
E2 MODEL
~
AC IN