Sony MDR-IF630R Service Manual page 11

4-3. PRINTED WIRING BOARD
1 2 3
A
B+
SIG
B
C
IC101
D
E
VOL
R+
IC104
F
SP101
SPEAKER
(R-CH)
R–
G
H
(IR SENSOR)
I
SP201
SPEAKER
16
(L-CH)
4 5 6
(IR SENSOR)
IC201
IC301
IC102
(POWER)
IC204
SOUND MODE
NORMAL
1-679-552- 11
VOICE
— 13 —
7 8 9
S10
(POWER)
(IR SENSOR)
(11)
10 11 12 13
SW+
SW–
1-679-551
11
(11)
RECHARGEABLE
BATTERY
Ni-cd NC-AA (HJ)
2pcs, 2.4V
TO
TMR-IF630R
(BATTERY CHAGER)
1-679-553-
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• b : Pattern from the side which enables seeing.
— 14 —
MDR-IF630R
14 15
• Semiconductor
Location
Ref. No. Location
D101 C-3
D102 D-3
D301 A-4
D302 H-2
D305 G-4
IC101 D-3
IC102 F-5
IC103 G-3
IC104 F-2
IC201 D-6
IC202 F-6
IC203 G-6
IC204 H-4
IC301 E-4
Q101 F-3
Q201 F-3
Q301 B-4
Q302 B-3
Q303 B-3
Q304 B-4
(IR SENSOR)
SIG
B+
11
(11)