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29
29
HCD-GX250
5-6. PRINTED WIRING BOARD – MAIN SECTION –
• See page 21 for Circuit Boards Location.
•
: Uses unleaded solder.
IC371
IC201
IC304
IC302
IC303
IC301
IC102
28
3
1
R CH
PB
HEAD
HP1
HP2
L CH
1
2
3
ERASE
HEAD
DECK-B
(REC/PLAY)
DECK-A
(PLAY)
REC/PB
HEAD
HE1
HRP2
L CH
HRP1
R CH
1
2
3
4
3
4
(CHASSIS)
(CHASSIS)
12
FAN
TUNER
10
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
1
1
9
33
6
8
1
5
11
1
E
E
E
13
1
E
E
E
E
12
1
3
1
3
1
1
2
A
B
C
D
E
F
G
J
K
3
4
5
6
7
8
9
10
11
12
13
29
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D201
I-10
D202
H-10
D203
H-11
D204
H-11
D205
I-11
D206
I-10
D207
I-10
D211
F-4
D212
G-5
D213
G-5
D214
G-5
D215
G-4
D301
I-8
D302
I-8
D303
I-8
D304
I-8
D305
I-7
D306
I-7
D307
I-7
D308
I-7
D309
I-7
D310
I-6
D311
I-6
D312
I-6
D313
F-8
D314
F-9
D315
H-8
D316
G-6
D321
H-5
D322
H-5
D324
E-4
D325
E-4
D326
F-4
IC101
D-6
IC102
D-8
IC201
E-5
IC301
G-8
IC302
E-9
IC303
G-7
IC304
G-7
IC371
B-4
Q101
H-9
Q102
H-9
Q103
H-9
Q104
H-10
Q106
D-7
Q107
D-7
Q304
E-4
Q305
E-4
Q306
B-4
Q307
B-4
Q308
B-4
Q309
B-3
Q310
H-10
Q311
H-11
Q312
H-10
Q313
B-3
Q314
G-6
Q315
G-6
Q321
F-7
Q322
F-4
Q323
F-4
Q324
F-4
Q327
G-5
Q351
G-4
Q352
G-4
Q361
G-6
Q362
G-6
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