Printed Wiring Boards - Main Board - Sony DR-BT50 Service Manual

DR-BT50
3-2. PRINTED WIRING BOARD – MAIN BOARD –
1 2
MAIN BOARD ( SIDE A )
A
1 52 50
7 1
8 28
5
B
14 22
15 21
10
5 1
15
16 20
6 10
4
1
C
5 4
1 3
C B
E
C B
5
1
3 4
D K
D
G S A
E
JACK BOARD
D
(Page 11)
DR-BT50
: Uses unleaded solder.
3
45 42
40
1
A
2
35
30
25 27
3
2
S
D
G
E
1 10
5 6
1-872-502- 11
(11)
4 5
MAIN BOARD ( SIDE B )
MIC BOARD
(Page 11)
5 4
1
1 3
8
B
10 10
6 7
(RED)
(BLK)
4 3
1
5
5
1
3 4
1
1
SWITCH
C
BOARD
2
(Page 11)
3
1-872-502- 11
(11)
JACK BOARD
(Page 11)
• Semiconductor
Location
Ref. No. Location
D102 D-1
D103 C-1
D201 D-2
D250 E-2
IC101 B-2
IC151 C-2
IC201 D-2
IC202 B-5
IC203 C-2
IC204 C-6
IC251 D-6
IC261 D-2
IC401 B-1
IC420 C-1
IC451 C-5
Q102 C-1
Q201 C-2
Q202 C-2
Q251 D-2