Printed Wiring Boards - R-Ch Board - Sony mdr-nc50 Service Manual

4-3. PRINTED WIRING BOARDS – R-CH Section –
1
SW BOARD
A
RED
2
ON
RED
1
OFF
POWER
1-864-611-
12
B (12)
C
D
D201
POWER
DRY BATTERY
SIZE "AAA"
E
(IEC DESIGNATION R03)
1PC. 1.5V
• Semiconductor
Location
Ref. No. Location Ref. No. Location
D151 D-3 Q101 C-3
D201 D-3 Q102 C-3
Q151 D-2
IC101 B-5 Q152 C-2
IC102 C-4 Q153 D-3
IC103 C-5 Q154 D-3
IC104 D-5 Q155 E-3
IC105 D-5 Q201 E-3
IC106 D-4 Q202 E-3
IC151 C-3
IC152 D-3
MDR-NC50
: Uses unleaded solder.
2 3 4
ML BOARD
A
MR BOARD
(SIDE A)
C111
1
3
4
2
C106
C112
1
RED
C114
C152
2
C131
NATURAL
1-864-610-
5 6
MIC102
(NOISE DETECT)
NATURAL
RED
NATURAL
MIC101
(MONITOR)
RED
SP101
(R-CH)
12
(12)
13 13
7 8
MR BOARD
(SIDE B)
1-864-610-
MDR-NC50
9
12
(12)