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HCD-VR90AV
25
25
POWER SECTION
F-RELAY
L-CH SIG
EVER +5V
MIX MIC
MIC VOLUME
RV850
MIC AMP
IC850 (1/2)
MIC AMP
IC850 (2/2)
STK POWER
15
12
16
THERMAL
SENSOR
5 6
VOLUME
CONTROL
22
POWER AMP & VOLUME CONTROL
IC801
VOLUME
CONTROL
D802, 852
OVERHEAT
DET
Q831,832
MUTE
SWITCH
Q803,804
SWITCH
Q833
HP MUTE
PROTECT
16
D804
MIC-SIG
J803
TM401
PHONES
L
R
FRONT
RELAY
DRIVER
Q401-402
R-CH
RY401
–35V REG
Q903,904
VF (–35V)
+VH
-VH
-VH
VF
VF
RECT
D833-836
+UNREG. 12V
UN +10V
UN –10V
RECT
D841-844
+VL
-VL
RECT
D832
RECT
D831
POWER
TRANSFORMER
T951
VOLTAGE SELECTOR
VS901
AC
IN
MAIN(1/2)
SECTION
(Page 23)
L
MAIN(2/2)
SECTION
(Page 24)
Q
MIC-SIG
HP.SW
DBFB
DISPLAY
SECTION
(Page 26)
T
MAIN(1/2)
SECTION
(Page 23)
H
MAIN(2/2)
SECTION
(Page 24)
P
MAIN(1/2)
SECTION
(Page 23)
K
JW967
J801
MAIN(1/2)
SECTION
(Page 23)
J
MAIN(2/2)
SECTION
(Page 24)
S
• SIGNAL PATH
: FM
• R CH : Same as L ch
MUTE
SWITCH
Q103,104
L
R
CENTER
SURROUND
REAR
RELAY
DRIVER
Q403, 407
PROTECT
BUFFER
Q439
FAN.DET
FAN DET
D405-409
R-CH
RY402
PROTECT
DRIVER
Q437
RELAY
SWITCH
Q431
HEADPHONE
MUTE
Q805
TM402
REAR-L
CENTER
PROTECT
DC DET
Q433,434
PROTECT
DET
Q432
DBFB
DET
D803
R-CH
R-CH
SURROUND AMP
IC101
12
14
16
8
9
R-CH
OVERLOAD
DET
Q801
OVERLOAD
DET
Q101
OVERLOAD
DET
Q151
7
THERMAL
SENSOR
OVERHEAT
DET
Q131,132
PRE
-VCC
Q834
SWITCH
-VH
CCC
R-CH
F951
240V - 220V - 120V
F961
F963
F964
F962
MY,SP,IA MODEL
EA,MY,SP,IA MODEL
TH MODEL
ECHO
CONTROL
IC851
ECHO LEVEL
RV851
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299