Printed Wiring Board - Sony TCM-20DV Service Manual

TCM-20DV/21DV/22DV/23DV
6-2. PRINTED WIRING BOARDS
1 2
A
(COMPONENT SIDE)
MAIN BOARD
B
C
C137
D
R127
Q112
E C B
E
Q108
R604
B C E
S105
Q107
PAUSE
OFF
ON
F
R136
RV602
SPEED
CONTROL
G
H
• Semiconductor Location
Ref. No. Location Ref. No. Location
Q105
D101 A-13
Q106
I
IC101 E-11 Q107
Q108
Q101 D-13 Q109
Q102 D-14 Q110
Q103 D-10 Q111
Q104 D-10 Q112
J Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
z : Through hole.
• b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from
K (Conductor Side) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Component Side) the parts face are indicated.
05
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3 4 5
C113
Q109
B C E
B C E
Q110
C138
R138
R139
G-6
F-9
F-3
E-3
E-3
F-3
C-7
E-2
– 11 –
6 7 8
MAIN BOARD
S104
VOR
OFF L H
R125
+ C133
R115
Q111
C145
C130
B C E
1
2
HRP901
C124
(REC/PB HEAD)
HE901
(ERASE HEAD)
C120
DRY BATTERY
SIZE "AA"
B C E
(IEC DESIGNATION R06)
Q105
2PCS. 3V
SP901
(SPEAKER)
M901
(CAPSTAN/REEL)
M M
11
(11)
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9 10 11 12
J101
J102
MIC
(PLUG IN POWER)
EAR
(CONDUCTOR SIDE)
R118 C144
C146
S101
(REC/PB)
REC PB
–3 –6
–2 –5
–1 –4
1 2
Q104
C127
C140 B C E
R110 C108
C111 + 1 30
R137
C123
Q103 C110
R114
IC101
C122
15 16
Q106
C121
C128
C129
R610
BRN
BRN
BLK
BLK
BRN
BRN
BLK
RED
SW BOARD
C125
+
BLK
BLK
BRN
CN101
DC IN 3V
– + BRN
C126
11
1-676-966- (11)
– 12 –
13 14 15
D101
MIC101
BATT
MIC
RV101
VOL
–2
–1
C148
R103 R102 R105
C107 R106
R134
R104
Q102
Q101
E B
C
R132
C141
C106 R131
R130
R601
R603
S102
(POWER)
S601
REC TIME
DOUBLE NORMAL
–1
–2
11
1-676-967-