Read Sony MHC-W555 / STR-W555 Service Manual online
STR-W555
– 19 –
– 20 –
– POWER SECTION –
• R CH : Same as L ch
• SIGNAL PATH
: FM
:VIDEO (AV INPUT)
• Abbreviation
EA3
SP
MY
JE
TW
AR
• SIGNAL PATH
: FM
:VIDEO (AV INPUT)
• Abbreviation
EA3
SP
MY
JE
TW
AR
: Saudi Arabia model.
: Singapore model.
: Malaysia model.
:Tourist model.
:Taiwan model.
:Argertine model.
: Singapore model.
: Malaysia model.
:Tourist model.
:Taiwan model.
:Argertine model.
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
LIN
S/W
VIDEO
TA MUTE
MUTE
POWER ON/OFF
E,EA3,SP,MY,AR,TW,JE
AC
IN
PHONES
J755
R-CH
MONITOR
OUT
J781
FRONT
SPEAKER
TB751
REAR
SPEAKER
TB201
M
M901
FAN
ST+10V
UNREG
+12V
+7V
+5.6V
+5V
D813
-7V
+B
-B
VG
Rch
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
09
(Page 17)
8
1
4
3
1
L
6
7
2
20
15
RECT
D810,811
+7V REG
IC801
+5.6V REG
IC803
FAN MOTOR
REG
Q731,732
POWER ON
MUTE
Q852
RECT
D805-808
RECT
D801
D801
RECT
D802, 803
VG REG
Q801
3
1
3
1
3
2
-7V REG
IC802
VF1
VF2
AC1
AC2
R
+
–
+
–
MAIN
SECTION
C
(Page 17)
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