BACK UP
18 SEG18
5
C7507
5V
N.SW
5V
N.SW
IC7503
2
1
RESET
19 VEE
UNREG -29V
Q1002
BUFFER
5V
N.SW
TIMER
INTELLIGENT
S7517
S7515
STOP
POWER
S7506
EXT LINK
S7516
5V
N.SW
S7505
EJECT
REC
S7501
5V
N.SW
S7502
CH DOWN
T.REC
S7513
S7514
FF
A4
7
5V
N.SW
POWER SW 43
5V
N.SW
TL2502
TL2503
REW
S7512
S7511
PLAY
PAUSE
S7503
S7504
CH UP
48
HEATER (-)
HEATER (+)
FG OUT
CAPSTAN
103
TW2015
TIMER DISPLAY
F+
F+
Q1006
POWER
FROM
DP7501
1
2
F-
F-
44
45
39
33
23
5
IC7501
|
36 SEG1
20 SEG17
|
11 GRID1
17 GRID7
6 A5
5 A2
CS
SERIAL CLOCK
SERIAL DATA
3
2
1
FIP CS
S.CLOCK
S.DATA OUT
S.DATA IN
92
89
91
90
52
IR
IC7502
3
1
RECEIVER
IR
77
5V
N.SW
IC7504
RESET
2
1
76
BACK UP 5V 33
QR1001
X6002
X6001
32KHz OUT 35
32KHz IN 34
20MHz OUT 32
20MHz IN 31
HEAD
CTL
6
P4003
5
P4003
112 CTL HEAD(+)
CTL HEAD(-)
111
TL6012
TL6013
T-REEL PULSE
93
S-REEL PULSE
94
5V
REG
LED
SENSOR
D1501
SENSOR
PHOTO
TAKE UP
Q1501
SENSOR
PHOTO
SUPPLY
Q1502
TAB SW
SAFETY
S7507
IC1501
(T-REEL SENSOR)
2
1
3
IC1502
4
(S-REEL SENSOR)
5V
REG
2
1
3
4
SAFETY TAB
65
SUPPLY PHOTO
13
TAKE-UP PHOTO
14
CYLINDER STATOR UNIT
MAIN COIL 3
MAIN COIL 1
MAIN COIL 2
IC
HALL
P2901
5V
REG
14V
UNREG
VH+
HE+
HE-
GND
M3
M1
VM
M2
2
4
8
5
3
9
1
6,7
P2502-8
P2502-6
P2502-2
P2502-5
P2502-7
P2502-1
P2502-3,4
P2502-9
(CYLINDER MOTOR DRIVE)
IC2501
6
7
16
1
SCHMIT
DRIVE
MOTOR
2
AMPLIFIER
DIFFERENTIAL
CONTROL
TORQUE
PG/FG
9
4
TORQUE
ERROR
CYLINDER
80
CYL PFG
107
SW
MODE
S1501
4
3
2
1
POSITION SW1
46
44 POSITION SW3
POSITION SW2
45
EX.FF/REW
69
TW2002
CTL OUT
114
FG HEAD
CAPSTAN
R0206
CAP FG5V
4
P2501
P0201
FG IN
CAPSTAN
104
UNLOADING
LOADING
FORWARD
REVERSE/
CAPSTAN
TORQUE
ERROR
CAPSTAN
LIMIT
CURRENT
(SYSTEM CONTROL/SERVO IC)
IC6001
66
67
1
79
83
L
PIN 16
L
H
H
L
PIN 15
H
MODE
L
INPUT
OUTPUT
L
H
L
PIN 19
OPEN
H
REWIND
FORWARD
STOP
BRAKE
TL0201
H
(CAPSTAN MOTOR DRIVE)
IC0201
2
P1501
1
H1
8
P0201
P2501
9
P0201
P2501
H2
P1501
L
H3
MOTOR
LOADING
21
19
LOGIC
CONTROL
OPEN
L0201
MOTOR
CAPSTAN
L
9
6
1
2
24
22
25
3
DRIVE
MOTOR
DIRECTION
TORQUE
AMPRIFIER
DIFFERENTIAL
PIN 21
CONTROL
TORQUE
PROCESS
SIGNAL
POSITION
5
4
AMP
EC
AMP
TL
14V
UNREG
16
P0201
P2501
11
15
P0201
P2501
12
18
26
7
10
12
P0201
P2501
3
1
P2501
P0201
P0201
P2501
2
L
L
H
H
FIP L
P.FAIL L
RESET L
NV-FJ623EG/EGY,FJ628EE
SYSTEM CONTROL & SERVO BLOCK DIAGRAM
Summary of Contents for NV-FJ623EG
Page 19: ...3 3 7 LOCATION OF TEST POINTS CONTROLS 3 3 8 CIRCUIT BOARD LAYOUT ...
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