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33
HCD-GX20
5-14. Schematic Diagram – POWER/TRANS Section –
-0.2
-0.2
0
0
36.5
37.1
0
0
0.6
11.6
0
11.6
-0.2
-0.2
-25.6
-36
0.7
0.1
9
5.7
-26.1
No mark:FM
POWER BOARD
TRANS BOARD
SUB TRANS BOARD
22
50V
2200
50V
2200
50V
22
50V
IC501
POWER AMP
(1/2)
POWER AMP
IC901
+5.6V REG
RELAY DRIVE
(2/2)
Q503,504
MUTE CONT
Q501,551
OVER LOAD DETECT
-30V GREG
D3SBA20-4101
POWER TRASFORMER
(SUB)
POWER TRASFORMER
(MAIN)
6.3A/125V
6.3A/125V
6.3A/125V
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