Main Power/Sub Power Section - Sony HCD-RXD10AV Service Manual

– MAIN POWER/SUB POWER SECTION –
RY-SW
FRONT L-IN
–VH
STK MUTE
FRONT RELAY
AC DET
SPEAKER PROTECT IN
PROLOGIC RELAY
REAR L-IN
D
CENTER-IN
MAIN
SECTION
(Page 24)
RECTIFIER
VREF
D502
+5.6V (STBY)
+5V (STBY)
(DISPLAY)
D509
POWER ON/OFF
CD D+5V (SW)
CD A+5V (SW)
CD POWER
ST A+10V
FL SW ON/OFF
STANDBY RELAY ON/OFF
09
IC801
2CH
Lch
20
15
21
OVER LOAD DET
16
Q801
–VH SUPP
Rch
Q831
+VH BUFF
+VH
Q821
Q822
MUTE
PROTECT
Q832, 827
PROTECT OUT PROTECT SW
Q825, 826 Q828 – 830
Rch
IC1001 (1/2)
3CH
12
8
13
OVER LOAD DET
Q1001
6 7
THERMAL DET
Q1023, 1024
Rch
IC1001 (2/2)
3CH
18
20
17
CCC
OVER LOAD DET
14
Q1001
+VL BUFF
+VL –VL
Q1021
Q1022
MUTE
GRX90AV
JW909
RDS D+5V UN SW
RECTIFIER
+5V (LED)
D918
(DISPLAY)
GRX90AV
D+5V UNREG
D915
+5V OUT
CDM D+5V SW
Q906
SWITCH
Q907
RXD10AV A+7V
SWITCH
Q904, 905
GRX90AV
D916
+5V REG
Q908
A–7V
RXD10AV
+5V OUT
IC904
3 1
Q910
REG
CD MOTOR +7V
TC MOTOR +12V
+10V REG
A+10V
Q913
SWITCH
Q914
– 25 –
RY881
RELAY DRIVE
+VH
Q881
SWITCH
Q882
Q421
Q411
MUTE
REAR L OUT
+VH
OVER LOAD DETECT
CENTER OUT
+VH
T951
POWER TRANSFORMER
+VH
RECT
AC1
D881
–VH
AC2
+VL
RECT
AC2
D883
–VL
AC1
26V REG
VG
Q971 DISPLAY
IC901
3 1 GRX90AV
(VIA POWER)
REG
+7V REG
RECTIFIER
AC DET
Q901,902,913
D931, 932
GRX90AV: E2, E3, SP, AR, MX, AUS
AC3
VOLTAGE
RECT
SELECTOR
D901-904
–7V REG
AC3
Q951,952,914
AC4
RECT
IC902
3 1
D908-911
+7V REG
AC4
VF
IC903
3 1
+12V REG
VF
GRX90AV
TM801
FRONT
L-ch
Rch R-ch
J701
PHONES
Rch
Lch
RY-SW
–12V
FAN MOTOR
FAN DET
SWITCH
Q431, 432
SURROUND
RY882
REAR L-ch
RELAY DRIVE
Rch
REAR R-ch
Q883
CENTER
SWITCH
Q884
RY883
• Abbreviation
E2 : Without SW tuner E model.
RELAY DRIVE
E3 : With SW tuner E model.
Q885
SP : Singapore model.
SWITCH
AR : Argentine model.
Q886
MX : Mexican model.
AUS : Australian model.
T11
SUB TRANSFORMER
SUB TRANS. D+5.6V
RECT
IC11
3 1
D12-15
5.6V REG
-26V REG RECT
VG
Q12, 13 D17-20
VF
COM MON
VF BUFF
VF
Q14, 15
SWITCH RELAY DRIVE
Q16, 17 Q11
S951
RY11 RY11
GRX90AV
– 26 –
HCD-GRX90AV/RXD10AV
RXD10AV
AC
IN
AC
IN