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Q Q
3 7 6 3 1 5 1 5 0
– POWER SECTION –
FRONT L-IN
STK MUTE
FRONT RELAY
SPEAKER PROTECT IN
PROLOGIC RELAY
REAR L-IN
T E
L
1 3 9 4 2 2 9 6 5 1 3
D
CENTER-IN
MAIN
SECTION
(Page 24)
IC504
IC506 +3.3V
+3.3V/REG
POWER ON/OFF
w w w
.
09
RY-SW
IC801
2CH
Lch
20
15
21
OVER LOAD DET
16
–VH SUPP
Rch
–VH
Q831
+VH BUFF
+VH
Q821
Q822
MUTE
AC DET
PROTECT OUT
PROTECT SW
Q825, 826
Q828 – 830
IC1001 (1/2)
1CH
12
8
13
OVER LOAD DET
6
7
THERMAL DET
Q1023, 1024
Rch
IC1001 (2/2)
3CH
18
20
17
CCC
OVER LOAD DET
14
+VL BUFF
+VL
–VL
Q1021
Q1022
MUTE
CD D+5V (SW)
JW909
RECTIFIER
VREF
D502
+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
ST A+10V
3
Q910
12V REG
CD POWER
x
a o
y
i
http://www.xiaoyu163.com
8
RELAY DRIVE
+VH
Q801
SWITCH
Q421
Q411
MUTE
PROTECT
Q832, 827
Rch
REAR L OUT
Q1001
OVER LOAD DETECT
Q
Q
3
7
6
3
CENTER OUT
Q1001
5V-POWER BOARD
IC101
4
2
+5V/REG
1
+VH
RECT
+5V OUT
IC905
CD A+5V (SW)
3
1
D881
Q915
+5V/REG
–VH
+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
IC904
1
RECT
IC902
CD MOTOR +7V
3
1
D908-911
+7V REG
TC MOTOR +12V
u 1 6 3
+10V REG
IC903
3
1
A+10V
Q913
+12V REG
.
SWITCH
Q914
CD MOTOR +12V
25
25
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2
4
9
9
8
RY881
Q881
Q882
Lch
FAN MOTOR
FAN DET
A-7V
SWITCH
Q431, 432
X6
RY882
RELAY DRIVE
+VH
Q883
SWITCH
Q884
1
5
1
5
0
8
9
2
4
RY883
RELAY DRIVE
+VH
Q885
SWITCH
Q886
T951
POWER TRANSFORMER
AC1
AC2
AC2
AC1
AC3
AC3
AC4
m
AC4
c o
HCD-VX880AV
2
9
9
TM801
FRONT
L-ch
Rch
R-ch
J701
PHONES
Rch
RY-SW
TM802
SURROUND
REAR L-ch
Rch
REAR R-ch
CENTER
9
8
2
9
9
AC
IN
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