Block Diagram - Power Section - Sony STR-DG800 Service Manual
Multi channel av receiver
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Also See for STR-DG800:
- Operating instructions manual (100 pages) ,
- Quick setup manual (2 pages) ,
- Specifications (2 pages)
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STR-DG800
Ver. 1.1
4-6. BLOCK DIAGRAM — POWER SECTION —
PRE DRIVER
IN 2
PRE
L-CH
8
DRIVE
R-CH
R-CH
PRE DRIVER
IN 2
PRE
SL-CH
8
DRIVE
SR-CH
R-CH
TUNER/
PRE DRIVER
AUDIO
F
SECTION
(Page 15)
IN1
PRE
SBL-CH
6
DRIVE
SR-CH
R-CH
PRE DRIVER
IN1
PRE
C-CH
6
DRIVE
REAR RY
PROTECTOR
61
HP_RY
62
FRONT RY
66
REAR_RY
69
68
C/SB RY
HP DETECT
55
SP_B_RY
67
SYSTEM
CONTROL
IC1101 (5/5)
BRIDGEABLE RY
72
P0WER RY
58
STOP
48
STR-DG800
IC600
+VOUT2
12
DRIVE
-VOUT2
11
POWER AMP
Q671-674
-B-1 +B-1
IC400
+VOUT2
12
DRIVE
-VOUT2
11
POWER AMP
Q471-474
-B-1 +B-1
IC500
+VOUT1
2
DRIVE
-VOUT1
3
POWER AMP
Q521-524
-B-1 +B-1
IC700
+VOUT1
2
DRIVE
-VOUT1
POWER AMP
3
Q721-724
-B-1 +B-1
PROTECTOR
D201-204
Q200-202,255,256
+B
HP-RY
-B
FRONT-RY
B- SWITCH
-B-1
Q221,228,235
REAR-RY
TU+10V
C/SB RY
IC210
OVERLOAD
HP DETECT
2
DETECT
7
+7V
AMP
INVERTER
SB-RY
Q210
-7V
B+ SWITCH
+B-1
Q220,225
+5V-2
+5V-1
+2.6V
+3.3V
+3.3V
(STBY)
RELAY
DRIVER
CURRENT
OVERLOAD
DETECT
DETECT
Q240
Q675,676
D675,Q677
RELAY
R-CH
R-CH
DRIVER
Q2880
R-CH
RELAY
DRIVER
Q500
CURRENT
OVERLOAD
DETECT
DETECT
Q475,476
D475,Q477
R-CH
R-CH
R-CH
CURRENT
OVERLOAD
DETECT
DETECT
Q525,526
D525,Q527
R-CH
R-CH
R-CH
CURRENT
OVERLOAD
DETECT
DETECT
Q725,726
D725,Q727
-30V
D801,802
IC1902
+9V
3
1
REG
IC260
+15V
+7V
3
1
REG
-7V
3
2
REG
IC1001
IC265
+5V
-15V
3
1
REG
+5V
3
1
IC1901
REG
IC1031
5
+3.3V/+2.6V
4
REG
2
IC1904
+3.3V
3
1
REG
20
20
J4086
PHONES
R-CH
TM2880
L
FRONT B
R-CH
R
RY240
TM600
L
RY2881
R-CH
FRONT A
R
RY500
RY600
L
RELAY
SURROUND
DRIVER
R-CH
SPEAKERS
Q600
R
IMPEDANCE
RY700
RELAY
USE 8-16Ω
DRIVER
Q700
L
SURROUND
BACK
R-CH
RELAY
R
DRIVER
Q400
RY400
TM602
TM601
CENTER
R
D290
-30V REG
R290
Q250
T901
D291
POWER
TRANSFORMER
RELAY
SWITCH
RECT
RELAY
DRIVER
Q809
RY802,803
R861
RECT
D865
R860
EXCEPT
E2
MODEL
AC1
RECT
D866
R851
+VCC
-VCC
R852
AC2
F1
D251
-30V
F2
RY911
RELAY
T902
DRIVER
POWER
Q911
RECT
TRANSFORMER
D921-924
AC IN
DETECT
Q914
D925
D926
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.
• Abbreviation
CND : Canadian model
E2 : 120V AC area in E model
TW : Taiwan model
E2 MODEL
S901
VOLTAGE
SELECTOR
240V
220V
S901
-3
120V
-2
F904
US,CND MODEL
-1
J911
AC OUTLET
F902
EXCEPT TW
MODEL
EXCEPT E2
MODEL
~
AC IN
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