Printed Wiring Board - L-Ch Board - Sony mdr-nc50 Service Manual

MDR-NC50
4-2. PRINTED WIRING BOARD – L-CH Section –
1 2
ML BOARD
(SIDE A)
A
SP1
(L-CH)
MIC1
(MONITOR)
NATURAL
B
RED
C
D
• Semiconductor
Location
E
Ref. No. Location
D51 B-4
IC1 D-2
IC2 D-3
IC3 C-2
IC4 C-2
IC5 C-2
IC6 B-3
IC52 A-3
Q1 D-4
Q2 C-3
Q53 B-3
Q54 C-3
Q55 B-3
MDR-NC50
: Uses unleaded solder.
3 4
BLK
RED
C44
C31
MONITOR
2
C14
3
4
C6
C11
C4
MIC2
(NOISE DETECT)
5 6
ML BOARD
S1
12
(12)
1
A
MR BOARD
J1
(INPUT)
12 12
7 8
(SIDE B)
1-864-609-
9
12
(12)