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HCD-EA20
– POWER SUPPLY SECTION –
(AC IN)
13V
+VCC
-VCC
TO
POWER
AMP
Q901
RELAY DRIVE
Q681
RESET SWITCH
D952
RECT
D951
RECT
M12V
10V
Q501, 502
B+ SWITCH
VDD
(KEY, ENC CIRCUIT)
+6.8V
D5V
+3.9V
A3V-2
(ZIVA)
V5V
F1
F2
VFL
AUDIO D3.3V
A5V
TO FLUORESCENT
INDICATOR TUBE
DC/DC
CONVERTER
T801
Q601, 602
B+ SWITCH
DVD 3.3V
E3.9V
VDD
C681
0.22F
VDD
+1.8V
T902
MAIN
TRANSFORMER
T901
SUB
TRANSFORMER
D911-914
RECT
RECT
D806 – 809
OSC
Q803, 804
IC501 (3/3)
SYSTEM CONTROLLER
IC671
LOADING MOTOR DRIVE
(LOADING)
M
OUT
IN
S001
(DISC IN/OUT)
D651, 652
D915
D684
D683
RY901
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
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299