Panasonic NV-SJ420EG Service Manual page 76

CAPSTAN
IC0201 (CAPSTAN MOTOR DRIVE)
MOTOR
L0201
TL0201 24
MOTOR DIFFERENTIAL
22
DRIVE AMPRIFIER
25
1
H3 2
3
H1 4
5
H2 6
9
LOADING
MOTOR
P1501 P2501 P0201
19
1 9
P1501 P2501 P0201
21
2 8
INPUT OUTPUT
MODE
PIN 15 PIN 16 PIN 19 PIN 21
R0206
H L H L FORWARD
CAPSTAN
L H L H REWIND
FG HEAD
H H L L BRAKE
L L OPEN OPEN STOP
CAP FG5V
CYLINDER STATOR UNIT
REG
14V
P2901
6,7 VM P2501-3,4
MAIN COIL 2 1 M2 P2501-9
MAIN COIL 1 9 M1 P2501-1
MAIN COIL 3 3 M3 P2501-7
5 GND P2501-5
8 HE- P2501-2
4 HE+ P2501-6
HALL
2 VH+ P2501-8
IC
REG
5V
N.SW
5V
REG
5V
Q1501 D1501 Q1502 S7507
TAKE UP SENSOR SUPPLY SAFETY
PHOTO LED PHOTO TAB SW
SENSOR SENSOR
TL2503
P0201 P2501
TORQUE TL
12
CONTROL AMP 1
EC P0201 P2501
10
AMP
2
POSITION
P0201 P2501
TORQUE
SIGNAL 7
DIRECTION 3
PROCESS
REG
26
14V
18
P0201 P2501
15
12
CONTROL
LOGIC P0201 P2501
16
11
TL2502
P0201 P2501
4
TW2015
TW2002
1
S1501
2
MODE
3
SW
4
IC2501 (CYLINDER MOTOR DRIVE)
2
MOTOR
1 PG/FG 4
DRIVE
16
7
DIFFERENTIAL
6
AMPLIFIER
TORQUE
SCHMIT 9
CONTROL
IC1501 IC1502
(T-REEL SENSOR) (S-REEL SENSOR)
REG
5V
1 2 1 2 TL6013
4 3 4 3
TL6012
P4003
5
CTL
HEAD
P4003
6
IC6001
(SYSTEM CONTROL/SERVO IC)
CURRENT
1
LIMIT
20MHz IN 31
CAPSTAN
79 ERROR
TORQUE
X6002
20MHz OUT 32
CAPSTAN
83 REVERSE/
32KHz IN 34
FORWARD
X6001
32KHz OUT 35
67 LOADING H
66 UNLOADING H
FROM
POWER
CAPSTAN
104
FG IN
QR1001
CAPSTAN
103
FG OUT
FIP L 48
114 CTL OUT
BACK UP 5V 33
IC7504
69 EX.FF/REW L
P.FAIL L 76 1 RESET
IC7502
IR
45 POSITION SW2 IR 77 1
RECEIVER
44 POSITION SW3
46 POSITION SW1
RESET L 52
S.DATA IN 90
S.DATA OUT 91
107 CYL PFG S.CLOCK 89
FIP CS 92
CYLINDER
80 ERROR
N.SW
POWER
TORQUE
5V
S7506
POWER SW 43
14 TAKE-UP PHOTO
13 SUPPLY PHOTO
65 SAFETY TAB L
FF
S7514
94 S-REEL PULSE
REW
S7512
93 T-REEL PULSE
111 CTL HEAD (-)
112 CTL HEAD (+)
DP7501
TIMER DISPLAY
F+ F+ F- F-
1 2 44 45 39 33
Q1001
BUFFER
HEATER (+)
HEATER (-)
UNREG -29V
Q1006
C7507
N.SW
2
5V
N.SW
3
5V
IC7503
N.SW
1 RESET 2
5V
A.DUB EJECT EXT LINK
S7509 S7505 S7508
T.REC STOP REC CH DOWN
S7513 S7515 S7501 S7502
PLAY PAUSE CH UP
S7511 S7503 S7504
IC7501
23 5
36 SEG1
|
18 SEG18
11 GRID1
|
17 GRID7
19 VEE
1 SERIAL DATA
2 SERIAL CLOCK
3 CS
N.SW
5V
5 A2
N.SW
5V
6 A5
N.SW
5V
7 A4