Sony HCD-GRX8 Service Manual page 26

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– POWER SECTION –
PL RELAY
R RELAY
F RELAY
POWER AMP
IC201
3
FRONT
FRONT
DBFB
D
STK MUTE
MAIN
SECTION
(Page 30)
CD POWER
POWER ON/OFF
09
GRX/R800/RX99
THERMAL
DET
Q321,322
THP321
12
8
OVER LOAD
DET
Q201
Rch
Rch
Rch
MUTE
SWITCH
Q304,305
D5V
SWITCHED
CD REG
CD+5V
Q931
+5.6V
+5.6V REG
IC931
Q932 D932
3 1
+7V REG
IC941
+5V REG
M+7V
AU/D5V SW 3 1
Q933
+7V REG
Q934
IC901
3 1
A+7V
SWITCH
Q901 –7V REG
IC902
Q905
A–7V 3 2
Q937
+10V REG
IC911
+10V 3 1
ST+10V 3 1
+10V REG
IC921
– 31 –
RY402
RELAY
DRIVE
Q403,407
RELAY RY404
DRIVE
Q408
FAN MOTOR
RX88 DRIVER
Q961, 962
Rch
RY401
RELAY
DRIVE
Q401,402
Rch
PROTECT
CONTROL
Q306,307
VF
VF
RECT
+12V REG
D103,
Q911-913
D104
VF REG RECT
UNREG
VFDP
Q111 D111,112
–12V
RECT
D102
GRX8/R800
POWER B+
RECT
POWER B– D101
RELAY
+7V DRIVER
Q101
RY101
RX88/RX99
TM402
SURROUND
SPEAKER
GRX8/R800/RX99
M901
M
FAN
UNREG
MOTOR
–12V
TM401
FRONT
SPEAKER
FRONT
J755
PHONES
T501
POWER
TRANSFORMER
• R CH : Same as L ch
GRX8:E2,E3,SP,MY,HK,TW,EA3
/R800:AR
• SIGNAL PATH
: FM
VOLTAGE
SELECTOR
• Abbreviation
S501
E2 : Without SW tuner E model.
E3 : Without SW tuner E model.
EA3 : Saudi Arabia model.
SP : Singapore model.
AC
IN
MY : Malaysia model.
HK : Hong Kong model.
TW : Taiwan model.
AR :Argentine model.
– 32 –
HCD-GRX8/R800/RX88/RX99