Sony ICD-U50 Service Manual page 31

SCHEMATIC DIAGRAM – JACK BOARD –
JACK BOARD
LD101
MIC901
LD102
FB104
FB102
J101
i
FB101
FB103
R168
SP901
LD152
SPEAKER
LD151
R167
ICD-U50/U60/U70
2.8
IC101
C102
0.1 (1.3)
0
R101
R104
R102
0 0 (1.3)
R103
0
0
C106
C101
C104
C103
IC101
C105
R121
R122
D105
0
0
D104
C117
2.8
D103
Q104
Q103
R166
TP152
HP MUTE CONTROL
R165 TP151
D702
(REC)
(PLAY)
R708 R709
S707
S706
C108
R106
R105
Q101
C107
HP MUTE CONTROL
2.8
S
R109 R119
R108
0
2.8
Q102
MIC CONTROL
C116
R114
22
R113
C115
22
C118
R115 R116
C514
TP154
IC506
VOTAGE DETECT
IC506
3602
1.5
*
Q506
RT1N144M-TP-1
2.8
VOLTAGE
CONTROLLER
5 5
ICD-U50/U60/U70
CN704
24P
MAIN BOARD
A
CN703
SUPPLEMENT-1
: Page 7
BATT
BATT
DCDCEN
no mark : PLAY
( ) : REC
: Impossible to measure
*