Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic DVD-Video NV-VHD1BEUSVC EU NV-VHD1B SVC cy14vsc
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VHS MAIN C.B.A.
SYSTEM CONTRL & SERVO SECTION
IC6001
CAPSTAN IC7501
MOTOR IC0201 (CAPSTAN MOTOR DRIVE) (SYSTEM CONTROL/SERVO IC) DP7501
TL2503
L0201
TL0201 24
MOTOR DIFFERENTIAL TORQUE TL P0201 P2501
22 DRIVE AMPRIFIER CONTROL AMP 12 1 CURRENT
LIMIT
1
25 TIMER DISPLAY
CAPSTAN 20MHz IN 31
EC P0201 P2501
1 AMP 10 79 ERROR F+ F+ F- F-
2 TORQUE X6002 1 2 44 45 39 33 23 5
H3 2
3 20MHz OUT 32
POSITION TORQUE P0201 P2501 CAPSTAN
H1 4 SIGNAL DIRECTION 7 83 REVERSE/
PROCESS 3 FORWARD 32KHz IN 34
5
UNREG Q1002
26 14V X6001 36 SEG1
H2 6
BUFFER
|
9 18 32KHz OUT 35
LOADING 20 SEG17
MOTOR
18 SEG18
P1501 P2501 P0201 P0201 P2501
19 15 67 LOADING H
1 9 CONTROL 12
P1501 P2501 P0201 LOGIC P0201 P2501
21 16 66 UNLOADING H HEATER(+)(SWD) 11 GRID1
2 8 11
FROM |
POWER HEATER(-)(SWD)
TL2502 17 GRID7
UNREG -29V(SWD)
INPUT OUTPUT Q1006
MODE
PIN 15 PIN 16 PIN 19 PIN 21 P0201 P2501
R0206 104 CAPSTAN
FG IN 19 VEE
H L H L FORWARD 4
CAPSTAN
L H L H REWIND FG HEAD
H H L L BRAKE
TW2015 QR1001
L L OPEN OPEN STOP
103 CAPSTAN
FG OUT
CAP FG5V TW2002 FIP L 48
BACK UP
114 CTL OUT C7507
5V D 33
IC7504
69 EX.FF/REW L
SYS
P.FAIL L 76 3 RESET 1 5V
IR7551
1
S1501 2 45 POSITION SW2 IR 77 1 IR 3 5V(AD)
MODE RECEIVER
SW 3 44 POSITION SW3 IC7503
4 46 POSITION SW1
CYLINDER STATOR UNIT RESET L 52 1 RESET 2 SYS 5V
IC2501 (CYLINDER MOTOR DRIVE)
S.DATA IN 90
P2901
6,7 COM P2502-3,4 16 17 UNREG 14V S.DATA OUT 91 1 SERIAL DATA
MAIN COIL 2 1 M2 P2502-9 20 MOTOR
MAIN COIL 1 9 M1 P2502-1 18 DRIVE PG/FG 4 107 CYL PFG S.CLOCK 89 2 SERIAL CLOCK
MAIN COIL 3 3 M3 P2502-7 1
5 GND P2502-5 FIP CS 92 3 CS
8 HE- P2502-2 6
4 HE+ P2502-6 7 DIFFERENTIAL
HALL AMPLIFIER
IC 2 VH+ P2502-8 5 IC6002 REC EXT LINK CH-UP SYS
CYLINDER 5V
REG S4834 S4837 S4833
1 80 ERROR
5V TORQUE TORQUE
SCHMIT CONTROL 8 4 SYS POWER
N.SW 2 5V
S4832
5V
POWER 4 AN3
SAVE
T.REC CH-DN INT TIMER SYS
POWER SW 43 5V
S4836 S4835 S4831
14 TAKE-UP PHOTO
13 SUPPLY PHOTO
65 SAFETY TAB L
KEY2
REG 5 AN2
5V IC1501 IC1502
(T-REEL SENSOR) (S-REEL SENSOR) REG
5V T.EJECT REW T.PLAY SYS
5V
S7552 S7568 S7551
1 2 1 2 TL6013
4 3 4 3 94 S-REEL PULSE
KEY1
TL6012 6 AN1
Q1501 D1501 Q1502 S7507 SYS
TAKE UP SENSOR SUPPLY SAFETY REC-MONITOR FF T.STOP
93 T-REEL PULSE 5V
PHOTO LED PHOTO TAB SW S7565 S7564 S7562
SENSOR SENSOR
P4003
111 CTL HEAD(-)
CTL 5 KEY0
HEAD 7 AN0
P4003
112 CTL HEAD(+)
6
NV-VHD1B/EC/EE/F
VCR SYSTEM CONTROL & SERVO BLOCK DIAGRAM
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