Power Section - Sony STR-VX700 Service Manual

POWER SECTION

VIDEO
S/W
POWER AMP
IC4001(1/2)
1
C OUT
POWER AMP
IC4001(2/2)
S OUT 18
C
MAIN
SECTION
L+R
POWER AMP
IC901
MUTE
L-CH 20
Q181
8
TA MUTE
MUTE
SWITCH
Q901
MUTE
D852,853
POWER ON/OFF
POWER ON
B
PRO-LOG RLY
MAIN
AC1
SECTION
AC2
VF1
VF2
16
RY781
RY741
10
OVER LOAD
DET
Q4002
13
OVER LOAD
DET
Q4052
R-CH
RY751
15
OVER LOAD
DET
Q952
R-CH
OVER LOAD
SWITCH
Q851
PROTECTOR
IC851
2
1
VCC ON
PROTECTOR
MUTE
4
7
SWITCH
Q853
MUTE
Q852
RELAY DRIVE
Q741
D746
R-CH
D761
D751
ST+10V
UNREG
+12V
M901
FAN
6
MOTOR
SURR +B
SURR -B
11 11
R-CH
ST+10V
RECT
3 1
REG
D810,811
IC804
T901
+7V REG
1
+7V 3 POWER
IC801
TRANSFORMER
+5.6V +5.6V REG
1
3
+
IC803 RECT
D813
D805-808
–
+5V
FAN MOTOR
M REG
Q731,732
-7V REG
-7V
3 2
IC802
+
+B
RECT
-B
– D801
VG REG
VG
Q801
RECT
D802, 803
+
RECT
D809
–
AC1
AC2
VF1
VF2
STR-VX700
J781
VIDEO OUT
SUPER WOOFER
TB201
CENTER
SPEAKER
L
REAR
SPEAKER
R
TB751
FRONT
L
SPEAKER
J755
PHONES
AC
IN
VOLTAGE
SELECTOR
S871
EA,HK,MY,SP MODEL
• R CH : Same as L ch
• SIGNAL PATH
: FM
: VIDEO (AV INPUT)
• Abbreviation
EA : Saudi Arabia model
HK : Hong Kong model
MY : Malaysia model
SP : Singapore model