Sony STR-V7770 - Main (1;2) Section (V7770 Model)

STR-V5550/V7770
– POWER SECTION –
— 13 — — 14 —
• R CH : Same as L ch
• SIGNAL PATH
: FM
: VIDEO (AV INPUT)
R-CH
R-CH
R-CH
R-CH
D751
D761
RY751
RY781
OVER LOAD
DET
Q952
OVER LOAD
SWITCH
Q851
POWER AMP
IC901
PROTECTOR
IC851
L-CH
L+R
S/W
VIDEO
TA MUTE
MUTE
POWER ON/OFF
HK,MY,SP,IA
AC
IN
PHONES
J755
SUPER WOOFER
VIDEO OUT
J781
FRONT
SPEAKER
TB751
M
M901
FAN
ST+10V
UNREG
+12V
+7V
+5.6V
+5V
D813
-7V
+B
-B
VG
R-CH
MOTOR
MUTE
SWITCH
Q901
MUTE
Q181
SWITCH
Q853
D852,853
PROTECTOR
VCC ON
MUTE
ST+10V
REG
IC804
VOLTAGE
SELECTOR
S871
VF1
VF2
AC1
AC2
T901
POWER
TRANSFORMER
MAIN
SECTION
B
16
8
1
4
3 1
6
7
2
20
15
SURR +B
SURR -B
RECT
D810,811
+7V REG
IC801
+5.6V REG
IC803
FAN MOTOR
REG
Q731,732
POWER ON
MUTE
Q852
RECT
D805-808
RECT
D801
RECT
D802, 803
VG REG
Q801
3
1
3
1
3
2
-7V REG
IC802
VF1
VF2
AC1
AC2
L
D746
RY741
OVER LOAD
DET
Q4052
POWER AMP
IC4001(1/2)
REAR
SPEAKER
CENTER
SPEAKER
TB201
TB201
L
OVER LOAD
DET
Q4002
POWER AMP
IC4001(2/2)
1
10
R
+
–
+
–
RECT
D809
+
–
MAIN
SECTION
C
S OUT
C OUT
REAR
SPEAKER
L
R
V7770 MODEL
V7770 MODEL
V5550 MODEL
18
13
• Abbreviation
HK : Hong Kong
SP : Singapore
MY : Malaysia
IA : Indonesia