Service Manuals, User Guides, Schematic Diagrams or docs for : LG VCR bc250y d33k
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Bracket Side 'L' 5
6 Bracket
Assembly Door
Plate Assembly 2
Top
7 Arm Assembly F/L
Opener Door
Lever Assembly 8
S/W 4 Guide CST
3 Holder Assembly CST
9 Arm Assembly Cleaner
33 Bracket Assembly
Head F/E 10 L/D Motor
11 Base Assembly
A/C Head
21 Arm Assembly Pinch
Drum Assembly 1
19 Opener Lid
Support CST 17 18 Base Assembly P4
Base Assembly P2 41 40 Base Assembly P3
Brake Spring S 20 Arm Assembly T/Up
Brake Assembly S 12
42 Arm Assembly ldler
Arm Assembly 14
Tension 16 Reel T
Band Assembly 13 Brake Assembly T
Tension
Reel S 15 Brake Spring T
Lever
Assembly S/W 8
Motor Capstan 23 38 Gear Assembly P3
Gear Connector 32
39 Gear Assembly P2
Gear Cam 31
Brake Assembly 29 35 Base Tension
Capstan
34 Gear Sector
Belt Capstan 22
37 Lever Tension
Gear Drive 30
36 Plate Slider
Guide Rack F/L 27
Gear Rack F/L 28
Clutch Assembly D33-K 24
Lever F/R 25
26 Gear H-Up/D-K
Bracket Side 'L' 5
6 Bracket
Assembly Door
Plate Assembly 2
Top
7 Arm Assembly F/L
Opener Door
Lever Assembly 8
S/W 4 Guide CST
3 Holder Assembly CST
9 Arm Assembly Cleaner
34 Bracket Assembly
Head F/E 10 L/D Motor
11 Base Assembly
A/C Head
21 Arm Assembly Pinch
Drum Assembly 1
19 Opener Lid
Support CST 17 18 Base Assembly P4
Base Assembly P2 42 41 Base Assembly P3
Brake Spring S 20 Arm Assembly T/Up
Brake Assembly S 12
43 Arm Assembly
Arm Assembly 14 ldler Jog
Tension 16 Reel T
Band Assembly 13 Brake Assembly T
Tension
Reel S 15 Brake Spring T
Lever
Assembly S/W 8
Motor Capstan 23 39 Gear Assembly P3
Gear Connector 33
40 Gear Assembly P2
Gear Cam 32
Brake Assembly 30 36 Base Tension
Capstan
35 Gear Sector
Belt Capstan 22
38 Lever Tension
Gear Drive 31
37 Plate Slider
Guide Rack F/L 28
Gear Rack F/L 29 27 Bracket Assembly
Jog
Clutch Assembly D33-K 24
Lever F/R 25
26 Gear H-Up/D-K
(S2)
(S2) Stator
Drum Motor
(S3)
Rotor
Drum Sub Assembly
(Fig. A-1-1)
Drum FPC
(S1)
(For Jog Shuttle Models)
Optional Parts (S1)
Holder FPC or Holder FPC or Holder FPC
(only for 2HD Models) (only for 4HD-Mono Models) (only for 4HD-Hi-Fi Models) H1
Cap FPC
(Fig. A-1-1)
Fig. A-1
(Fig. B-1)
Cap FPC
Drum FPC
Holder FPC
Figure in the opposite direction
H1
H2
Plate Assembly Top
(A)
(B)
(Fig. A-2-1)
Holder Assembly CST
Lever Stopper(R)
(Fig. A-2-2)
Arm Assembly F/L
(Fig. A-2-6) Arm F/L
Lever Assembly S/W
(H5) (Fig. A-2-7) (S2 )
Bracket Side (L)
(S1)
(Fig. A-2-4)
Groove
Gear Rack F/L Groove
Bracket
(For Jog Shuttle Models) Assembly Door
H3
Guide CST (Fig. A-2-5)
H4
(Fig. A-2-3)
Fig. A-2
Gear (A)
Plate Assembly Top
Gear (B)
Bracket Side (L) Bracket Assembly Door
Lever Stopper (R)
Holder Assembly CST
(B) Spring
Lever S/W
(H5)
(H5)
(H4)
(H3) Spring
Lever S/W
Bracket Side (L) Bracket Assembly Door (H5)
(H5)
Arm Assembly
Cleaner
(A)
(S1) (Fig. A-3-1)
Base Assembly A/C Head
( H1)
(Fig. A-3-3)
(Fig. A-3-2)
Head F/E
(For Jog Shuttle Models)
Fig. A-3
Spring S Brake
Brake Assembly S
(Fig. A-4-1)
(A)
Arm Assembly
Tension
Spring Tension (C) Reel T
(Fig. A-4-5)
Band
(Fig. A-4-3) Assembly
Spring T Brake
Tension
Reel S
B
Brake Assembly T
(Fig. A-4-2)
(Fig. A-4-4)
(For Jog Shuttle Models)
Fig. A-4
Three Holes
(Difference for Springs) (Fig. B-2)
Spring T Brake Color (Black)
Reel S Reel T
Spring S Brake
Spring Tension
(D)
Opener Lid
(Fig. A-5-3)
(C)
Arm Assembly T/up
(Fig. A-5-4)
Arm
Assembly
Pinch
Base Assembly P4
(Fig. A-5-5)
Support CST
(B)
(Fig. A-5-1)
(A)
(Fig. A-5-2)
Fig. A-5
Opener Lid
(H1)
Arm Assembly T/up
Belt Capstan
(Fig. A-6-1)
(B)
Motor Capstan
(A)
Washer(W1)
Clutch Assembly D33-K
(Fig. A-6-2) (Fig. A-6-3)
Washer(W2 )
Optional Parts
Lever F/R Gear H-Up/D-K or Gear Up/D-K
(For Hi-Rewind Models) (For Normal Models)
(Fig. A-6-4)
Hook(H1) Spring Up/D
(C)
Brake Assembly Capstan
(For 4HD Models) (Fig. A-6-5)
(B ')
( A')
(For Jog Shuttle Models)
(For Jog Shuttle Models) ( S1)
Fig. A-6
Brake
Assembly Capstan
Hole (A)+(B)
Barke
Assembly Capstan
Gear Cam (H2) (For 4HD Models)
Spring Capstan
Hole (A) (Fig. A-7-4)
Guide Rack F/L
(H1) (S1) Barke Assembly Jog
(S2)
(For Jog Shuttle Models)
(Fig. A-7-2)
Gear Rack F/L (Fig. A-7-1)
Gear Cam
Hole (B)
(Fig. A-7-3)
Fig. A-7 (For Jog Shuttle Models)
Hook(H2)
Hook(H2)
Washer (W1)
Gear Drive
(Fig. A-8-1)
Gear Cam
Hole (B)
(Fig. A-8-2)
Brake Assembly Capstan
(For 4HD Models) Gear Connector
Hole (A)
(Fig. A-8-3)
Gear Connector
Hole (A')+(A)
Hole (B')
Hole (A')
Chassis
H1
Bracket Assembly
L/D Motor
Hole (B')+(B) H2
(Fig. A-8-4)
Gear Cam
Fig. A-8
(Fig. B-3)
Gear Cam (C)
Gear Drive (D)
Hook (H1), (H2)
Chassis
Washer
(W1)
Gear Sector
(Fig. A-9-1)
Base Tension
Plate Slider
(Fig. A-9-3) (Fig. A-9-2)
Lever Tension
(Fig. A-9-4)
(A)
(For Jog Shuttle Models)
Fig. A-9
(Fig. A-10-1)
Gear Assembly P3
H1
Gear Assembly P3
H2
Gear Assembly P2
(Fig. A-10-2)
(A)
(B)
Gear Assembly P2 (A)
(B)
Chassis
Optional Parts
Base Assembly P2
Arm Assembly Idler or Arm Assembly Idler Jog
(Fig. A-10-4)
(For Normal Models) (For Jog Shuttle Models)
(Fig. A-10-5)
(H3)
(Fig. A-10-3)
Base Assembly P3
Fig. A-10
Gear Assembly P3
(Unloading Condition) (A)
(B)
Gear Assembly P2
-S 300
HT 250
-V 200
SR K
150
SR
VIDK
CAS EO
S K - V H T 0T
-
0 50 TOR ETTE SR 50
Q
MET UE
100
VHT ER
-303 150
200
250
300
Mode S/W
Gear Cam
(B)
(A)
Gear Drive
Gear Cam (o) and Gear Drive (o) groove alignment
BOTTOM VIEW
Fig. C-1
L/D Motor Assembly
Gear Cam
Chassis Hole
Gear Cam Hole
TOP VIEW
Fig. C-2
Mode S/W
Gear Cam
(B)
(A)
Gear Drive
Gear Cam (o) and Gear Drive (o) groove alignment
BOTTOM VIEW
Fig. C-1
L/D Motor Assembly
Gear Cam
Chassis Hole
Gear Cam Hole
TOP VIEW
Fig. C-2
300
Torque Gauge
-S
HT 250
-V 200
SR K
150
SR
VIDK
CAS EO
S K - V H T 0T
-
0 50 TOR ETTE SR 50
Q
MET UE
VHT ER
100 Torque Gauge
-303 150
200
Adaptor
250
300
Reel Table
Fig. C-3-2
Fig. C-3-1
ADJUSTMENT DIAGRAM Guide Roller Height
Adjustment screw
Upper Flange
Guide Roller
Retaining Screw
Fig. C-4-1
Waveform Diagrams
P2 POST
ADJUSTMENT
Turn the Roller Guide Height
P3 POST
Adjustment Screw slightly
ADJUSTMENT
to flatten the waveform.
Fig. C-4-2
Turn(Move) the tracking
Tracking control at center
control to both directions
Fig. C-4-3
Connection Diagram
OSCILLOSCOPE
RF ENVELOPE OUTPUT TEST POINT
HEAD SWITCHING OUTPUT TEST
POINT
A/C Head Tape
P4
-0.05
Tape
10.9
0.2~0.25mm
A/C Head Base
Fig. C-5-1 Fig. C-5-3
X-Value Adjustment
Hole
Fixed Screw
Azimuth Adjustment Tilt Adjustment
Screw(A) Screw(C)
Height Adjustment
Screw(B)
A/C Head Assembly
Fig. C-5-2
1KHZ 7KHZ
A:Maximum B:Maximum
Fig. C-5-4
Groove at the
Left Base A/C
Right
X-Value Adjustment Hole
Fixed Screw
Azimuth Adjustment Tilt Adjustment Screw(C)
Screw(A)
Height Adjustment Screw(B)
OSCILLOSCOPE
RF ENVELOPE OUTPUT TEST POINT
CH-1 CH-2
HEAD SWITCHING OUTPUT TEST POINT
OSCILLOSCOPE
RF ENVELOPE OUTPUT TEST POINT
CH1 CH2
HEAD SWITCHING OUTPUT TEST
POINT
V1/V MAX 0.7 V1 V V2
V2/V MAX 0.8
RF ENVELOPE OUTPUT
Fig. C-7
Fig. C-9-1 Top VIEW
Fig. C-9-2 BOTTOM VIEW
* No. (1)~(13) Indicates the Tape Path to be traveled from Supply Reel to Take-up Reel.
(7) Base Assembly P3
(4) F/E Head
(8) A/C Head
(3) P1 Post
(9) P4 Post
(6) Drum Assembly
(Video Head)
(11) Pinch Roller
(5) Base
Assembly P2 (12) Take-up Guide Post
(2) Tension Post
(10) Capstan Shaft
(1) Supply Reel (13) Take-up Reel
Fig. C-9-3 Tape Transport System
Fig. C-9-1 Top VIEW
Fig. C-9-2 BOTTOM VIEW
* No. (1)~(13) Indicates the Tape Path to be traveled from Supply Reel to Take-up Reel.
(7) Base Assembly P3
(4) F/E Head
(8) A/C Head
(3) P1 Post
(9) P4 Post
(6) Drum Assembly
(Video Head)
(11) Pinch Roller
(5) Base
Assembly P2 (12) Take-up Guide Post
(2) Tension Post
(10) Capstan Shaft
(1) Supply Reel (13) Take-up Reel
Fig. C-9-3 Tape Transport System
When
inspection is About 1 About 18 About 3
necessary
year months years
Average
hours used
per day
One hour
Two hours
Three hours
Drum
(Rotating Cylinder)
Cleaning Patch
Head Tip
Touch this section of cleaning
Coat With Isopropyl Alcohol patch to the head tip and gently
turn the Drum (Rotating Cylinder)
Fig. C-9-4
1
1
4 2
4
3
5 5
6
2
6 7
9
Chassis (Bottom)
3 7
8
Chassis (Top)
Gear Part Side
Bottom
Cam Part
inside
Bottom Cam &
Gear Sector Gear Cam Gear Part
Cam Part
Guide Rack F/L Gear Rack F/L
Press
Cam Part
Gear Assembly Up/D Gear Drive
Stopper Part
Gear Part
Plate Slider (Top)
Cam Part
Guide Rail
Plate Slider (Bottom)
Bracket Side (L) Bracket Assembly Door
100
426
426
103 A21
101 117
106 107 A22
105 108
109
104
110
A23
112 113 114
032
115
A24
116
006
002
401
A01
401
401 A03 007 A04
029 025
001
rts 016 409
Pa )
nal od
els
tio RM
010 Op VC
o r
ly f
(On
022
r ts
nal Pa
Optio 026
003 013
011 004
031 027
003 (Only for 4HD Hi-Fi Models)
012 (Only for 4HD Mono Models) 014 015
(Only for 2HD Models)
003 A02
018
017 023
009
019
504
020
028 021
(Only for Jog-shuttle Models)
504
024
(For Normal Models)
024
032
Optional Parts
406 406
406
051 Optional Parts
(Only for 4HD Models)
A11
A14
052
059 067 065
066 A12
058
068
069
070
064
426 518
518 Optional Parts
(Only for Jog-Shuttle Models)
053 057
517
A13
055 426
054 061
077
060
071
517 062 056
072
062 ly fo
r
(On els)
r ode
ls )
l Mo
d 074
ly fo a 426 076
(On wind M Nom
Hi-R
e 075
arts
nal P
Optio
063
079
078
032
410
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