Sony HCD-VX90AV - Power Section

HCD-VX90AV
– 27 –
– 28 –
– POWER SECTION –
VOLTAGE
SELECTOR
S951
T951
POWER TRANSFORMER
MAIN
SECTION
D
09
(Page 26)
VREF
POWER ON/OFF
RY-SW
FRONT L-IN
STK MUTE
FRONT RELAY
AC DET
SPEAKER PROTECT IN
PROLOGIC RELAY
REAR L-IN
CENTER-IN
AC4
AC4
RECT
D908-911
AC3
AC3
RECT
D901-904
RECTIFIER
D931, 932
IC902
+7V REG
CD MOTOR +7V
A+10V
31
31
+10V REG
Q913
SWITCH
Q914
TC MOTOR +12V
A+7V
A–7V
AC DET
31
–7V REG
Q951,952,953
+7V REG
Q901,902,903
+5V OUT
Q906
RECTIFIER
D918
CDM D+5V SW
+5V (LED)
(DISPLAY)
+5V (STBY)
(DISPLAY)
+5.6V (STBY)
RDS D+5V UN SW
D+5V UNREG
AC1
AC1
RECT
D883
RECT
D881
AC2
AC2
–VL
+VL
+VH
–VH
IC904
12V REG
31
+10V OUT
Q910
SWITCH
Q904, 905
SWITCH
Q907
+5V REG
Q908
ST A+10V
CD POWER
CD A+5V (SW)
RECTIFIER
D502
D509
JW909
AC
IN
IC903
+12V REG
IC901
REG
31
IC905
+5V/REG
+5V OUT
Q915
OVER LOAD DET
Q1001
THERMAL DET
Q1023, 1024
Rch
REAR L OUT
OVER LOAD DETECT
CENTER OUT
IC1001 (2/2)
Q1022
MUTE
Q916
+VL BUFF
Q1021
18
17
14
20
12
IC1001 (1/2)
1CH
3CH
CCC
+VL –VL
13
67
8
Rch
Rch
OVER LOAD DET
Q1001
PROTECT SW
Q828 – 830
PROTECT OUT
Q825, 826
OVER LOAD DET
Q801
IC801
2CH
Lch
–VH
+VH
Q822
MUTE
–VH SUPP
Q831
+VH BUFF
Q821
20
21
16
15
PROTECT
Q832, 827
RY883
RELAY DRIVE
Q885
SWITCH
Q886
RY882
TM802
FAN DET
–12V
RELAY DRIVE
Q883
SWITCH
Q884
RY881
+VH
RELAY DRIVE
Q881
FAN MOTOR
SWITCH
Q431, 432
+VH
+VH
SWITCH
Q882
Q421
Q411
MUTE
Rch
PHONES
J701
TM801
FRONT
Rch
Rch R-ch
L-ch
RY-SW
Lch
SURROUND
REAR R-ch
CENTER
REAR L-ch
Q909
CD D+5V (SW)