31
21YF30
TROUBLE SHOOTING TABLE
(Continued)
NEITHER VERTICAL NOR
HORIZONTAL SYNCHRONIZATION
CIRCUIT TO BE CHECKED:
»
Sync. Separator Circuit.
NO VERTICAL SCAN
Vertical linearity and size are
abnormal.
Check pins(5), (6), (10) and
(11) of IC801.
DEFECTIVE VERTICAL AMP.
AND VERTICAL LINEARITY
Re-adjust vertical size.
(Bas Data)
Check IC501.
Check C511.
Check IC501 bias.
Check R503, R506, R513,
R520 and C515.
TROUBLE SHOOTING TABLE
(Continued)
NO SPECIFIC COLOUR
Is some colour produced in
B/W broadcast reception ?
Is the white balance properly
adjusted ?
Re-adjust the white balance.
The picture colour is yellow.
The picture colour is magenta.
The picture colour is cyan.
Check Q855 and its adjacent
circuits.
Check Q854 and its adjacent
circuits.
Check Q853 and its adjacent
circuits.
Check IC801 and bias
control circuit.
NO SPECIFICATION COLOUR
"PAL"
(NO COLOUR SYNCHRONIZATION)
Check IC801.
Check X801.(4.43MHz)
Содержание 21YF30
Страница 32: ...21YF30 32 SOLID STATE DEVICE BASE DIAGRAM TOP VIEW SIDE VIEW ...
Страница 33: ...33 21YF30 M E M O ...
Страница 34: ...34 21YF30 WAVEFORMS ...
Страница 35: ...35 21YF30 CHASSIS LAYOUT ...
Страница 36: ...36 21YF30 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J BLOCK DIAGRAM PWB A MAIN BLOCK ...
Страница 37: ...37 21YF30 10 11 12 13 14 15 16 17 18 19 ...
Страница 38: ...38 21YF30 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J BLOCK DIAGRAM PWB B CRT BLOCK PWB C HEADPHONE BLOCK ...
Страница 39: ...39 21YF30 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J PWB E S CONTROL BLOCK ...
Страница 41: ...41 21YF30 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J SCHEMATIC DIAGRAM CRT Unit SCHEMATIC DIAGRAM HEADPHONE Unit ...
Страница 42: ...42 21YF30 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J SCHEMATIC DIAGRAM MAIN Unit ...
Страница 43: ...43 21YF30 10 11 12 13 14 15 16 17 18 19 ...
Страница 44: ...44 21YF30 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J SCHEMATIC DIAGRAM S CONTROL Unit ...
Страница 46: ...46 21YF30 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J PWB A MAIN Unit Component Side ...
Страница 47: ...47 21YF30 10 11 12 13 14 15 16 17 18 19 ...
Страница 58: ...Ref No Part No Description Code Ref No Part No Description Code 58 21YF30 PACKING OF THE SET ...
Страница 59: ...Ref No Part No Description Code Ref No Part No Description Code 59 21YF30 ...