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M-640V/645V/647V
5-2.
PRINTED WIRING BOARD
1
• Semiconductor
Location
Ref. No.
Location
D102
B-7
A
D103
B-9
MAIN BOARD
D504
E-7
IC101
D-9
IC501
G-7
Q101
C-8
Q102
C-8
Q103
B-7
B
Q104
E-8
Q105
B-7
Q106
E-7
Q107
C-7
Q108
D-7
Q110
E-9
Q111
F-9
Q112
C-8
Q113
D-7
Q501
E-7
C
Q502
G-7
Q601
E-8
D
E
F
G
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
: Through hole.
a
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
2
3
4
(COMPONENT SIDE)
1-673-894-
Caution:
Pattern face side:
Parts on the pattern face side seen from
(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.
5
6
7
MAIN BOARD
(CONDUCTOR SIDE)
D102
REC
(CHASSIS)
Q103
S601
PAUSE
OFF
r
ON
Q107
R134
HRPE901
Q108
HD+
(REC/PLAYBACK)
HD–
Q113
HE+
(ERASE)
HE–
Q501
S603
FAST PB
ON
R
OFF
LED UNIT
1
2
3
D503
21
4
(21)
E
z z
z
BATT
12
12
8
9
J102
RV101
MIC
(PLUG IN POWER)
VOL
MIC901
D103
-3
-2
HD+
HE–
C105
Q112
HD–
R153
HE+
C123
IC101
C144
Q110
C601
Q601
THP601
R602
THP602
S102
(POWER)
RV602
RV601
1-673-894-
M
M901
CAPSTAN
/REEL
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
2PCS. 3V
10
J101
EAR
R141
SP901
S101
(REC/PB)
PB t REC
S103
VOR
H
R
L
R
OFF
S602
TAPE SPEED
2.4cm
r
1.2cm
-2
-1
CN101
DC IN 3V
–
+
21
(21)
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