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M-450/455
10
10
SP901
SPEAKER
J101
EAR
RV101
w
VOL
MIC901
MIC
D301
BATT
HRPE901
ERASE
HEAD
RECORD/
PLAYBACK
HEAD
OFF PAUSE
PAUSE
t
.
S601
BLK
ORG
WHT
RED
M901
CAPSTAN/
REEL
MOTOR
M
S102
(POWER)
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
2PCS, 3V
J901
DC IN 3V
S902
2.4cm 1.2cm
TAPE SPEED
t
IC601
THP601
C601
C603
C609
C608
C605
C604
R152
R151
C104
IC101
Q104
C610
C602
R153
R612
R613
Q103
Q105
D101
Q102
R601
R602
R603
R604
R605
R606
R607
R608
RV602
R131
R132
R133
R135
R137
R138
R139
R140
R141
R142
R143
R144
C131
C132
C133
C136
C137
C138
C139
C140
C141
C142
C143
C145
C147
C152
R609
R610
R110
R111
R112
R113
R114
R115
R116
R119
R120
R122
R124
R127
C112
C113
C114
C115
C116
C105
C108
C117
C101
R108
R105
C102
R104
R102
R136
C134
Q106
R117
R118
R103
R123
RV601
C135
C109
R301
R302
C144
JC302
JC156
JC604
JC605
JC157
JC301
JC101
JC102
JC159
JC158
JC105
JC103
JC108
JC104
JC138
JC140
JC139
JC137
JC133
JC109
JC134
JC136
JC135
JC142
JC141
JC153
JC602
JC155
JC154
JC143
JC603
JC601
JC131
JC132
JC110
C119
JC111
JC112
R128
Q101
C151
C607
C146
BLK
RED
11
(11)
1-683-292-
MAIN BOARD
16
9
1
1
5
10
11
15
20
8
(4/4)(3/4)
S101
REC
PB
(2/4)(1/4)
t
2
3
4
5
6
A
1
B
C
D
4-2. PRINTED WIRING BOARDS – MAIN BOARD –
Note:
•
X
: parts extracted from the component
side.
•
b
: Pattern from the side which enables
seeing.
• Semiconductor
Location
Ref. No.
Location
D101
D301
IC101
IC601
Q101
Q102
Q103
Q104
Q105
Q106
A-4
D-2
B-3
C-5
B-3
B-3
C-3
B-3
C-4
B-3