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– POWER SECTION –
RY-SW
FRONT L-IN
STK MUTE
FRONT RELAY
AC DET
SPEAKER PROTECT IN
PROLOGIC RELAY
REAR L-IN
D
CENTER-IN
MAIN
SECTION
(Page 24)
IC504
IC506 +3.3V
+3.3V/REG
POWER ON/OFF
09
IC801
2CH
Lch
20
15
21
OVER LOAD DET
16
Q801
–VH SUPP
Rch
–VH
Q831
+VH BUFF
+VH
Q821
Q822
MUTE
PROTECT OUT
PROTECT SW
Q825, 826
Q828 – 830
IC1001 (1/2)
1CH
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
CD D+5V (SW)
JW909
RECTIFIER
VREF
D502
CD A+5V (SW)
+5.6V (STBY)
RDS D+5V UN SW
+5V (LED)
RECTIFIER
(DISPLAY)
D918
+5V (STBY)
(DISPLAY)
D+5V UNREG
D509
+5V OUT
CDM D+5V SW
Q906
SWITCH
Q907
SWITCH
Q904, 905
+10V OUT
IC904
ST A+10V
3
Q910
12V REG
CD POWER
RELAY DRIVE
+VH
Q881
SWITCH
Q882
Q421
Q411
MUTE
PROTECT
Q832, 827
Rch
REAR L OUT
OVER LOAD DETECT
CENTER OUT
5V-POWER BOARD
IC101
4
2
+5V/REG
1
POWER TRANSFORMER
+VH
RECT
+5V OUT
IC905
3
1
D881
Q915
+5V/REG
–VH
AC2
+VL
RECT
D883
Q916
–VL
IC901
3
1
REG
+7V REG
RECTIFIER
A+7V
AC DET
Q901,902,903
D931, 932
RECT
D901-904
–7V REG
A–7V
Q951,952,953
1
RECT
IC902
CD MOTOR +7V
3
1
D908-911
+7V REG
TC MOTOR +12V
+10V REG
IC903
3
1
A+10V
Q913
+12V REG
SWITCH
Q914
CD MOTOR +12V
25
25
RY881
Rch
Rch
Lch
RY-SW
FAN MOTOR
FAN DET
A-7V
SWITCH
Q431, 432
X6
RY882
RELAY DRIVE
+VH
Rch
Q883
SWITCH
Q884
RY883
RELAY DRIVE
+VH
Q885
SWITCH
Q886
T951
AC1
AC2
AC1
AC3
AC3
AC4
AC4
HCD-VX880AV
TM801
FRONT
L-ch
R-ch
J701
PHONES
TM802
SURROUND
REAR L-ch
REAR R-ch
CENTER
AC
IN
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