35
13VT-N200
REPLACING THE UPPER AND LOWER DRUM
ASSEMBLY
• Replacement (Perform in the numerical order)
1
Remove the motor as stated in Page 34 D.D. motor
replacement.
2
Remove the drum earth brush
2
.
3
Remove the drum base
3
from the upper and lower
drum assembly
1
.
[Cares when replacing the drum]
1. Be careful so that the drum earth brush is not lost.
2. Do not touch directly the drum surface.
3. Fit gently the screwdriver to the screws.
4. Since the drum assembly is an extremely precise
assembly, it must be handled with utmost care.
5. Make sure that the drum surface is free from dust, dirt
and foreign substances.
6. After replacing the drum be sure to perform the tape
running adjustment.
After that, perform also the electrical adjustment.
• Playback switching point adjustment
• X-position adjustment and check
7. After replacing the drum clean the drum.
Figure 1-39.
2
1
3
ASSEMBLING OF PHASE MATCHING
MECHANISM COMPONENTS
• Assemble the phase matching mechanism com-
ponents in the following order.
1. Assemble the pinch roller assembly and pinch drive
cam.
2. Mounting the shifter (on the back of the mechanism
chassis).
3. Mounting the master cam (on the back of the mecha-
nism chassis).
4. Assemble the connection gear, slow brake and load-
ing motor parts.
• Pinch drive cam and pinch roller
assembling method.
(Place the following parts in position in numerical
order.)
(1)Reverse drive lever
1
(2)Reverse guide spring
2
(3)Reverse guide lever ass’y
3
(4)Reverse guide height adjusting nut
4
(5)Pinch drive cam
5
(6)Pinch roller ass’y
6
(7)Open lever
7
Figure 1-40.
7
4
3
2
6
1
5
Содержание 13VT-N200
Страница 54: ...55 13VT N200 54 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H PWB A CHASSIS LAYOUT PWB C PWB B PWB D ...
Страница 55: ...57 13VT N200 56 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM OF TV SECTION ...
Страница 57: ...61 13VT N200 60 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë SERVO PROCESS BLOCK DIAGRAM ...
Страница 58: ...62 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 13VT N200 Ë SYSTEM CONTROL BLOCK DIAGRAM 6 5 4 3 2 1 A B C D E F G H ...
Страница 59: ...63 17 16 19 18 15 14 13 12 11 10 13VT N200 Ë SAFETY DEVICE BLOCK DIAGRAM 6 5 4 3 2 1 A B C D E F G H ...
Страница 60: ...65 13VT N200 64 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë VIDEO SIGNAL FLOW BLOCK DIAGRAM ...
Страница 61: ...67 13VT N200 66 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë AUDIO BLOCK DIAGRAM ...
Страница 62: ...69 13VT N200 68 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H OVERALL SCHEMATIC DIAGRAM ...
Страница 64: ...71 17 16 19 18 15 14 13 12 11 10 13VT N200 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT Unit ...
Страница 65: ...73 13VT N200 72 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 1 Unit TV Section ...
Страница 66: ...75 13VT N200 74 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 2 Unit TV Section ...
Страница 68: ...79 13VT N200 78 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 3 Unit VCR Section ...
Страница 69: ...81 13VT N200 80 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 4 Unit VCR Section ...
Страница 71: ...83 13VT N200 6 5 4 3 2 1 A B C D E F G H PWB C POWER Unit Wiring Side ...
Страница 72: ...84 13VT N200 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Wiring Side ...
Страница 73: ...85 13VT N200 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Chip Parts Side ...