TROUBLE SHOOTING FLOWCHART (Continued)
TROUBLE SHOOTING FLOWCHART (Continued)
NEITHER VERTICAL NOR
HORIZONTAL SYNCHRONIZATION
CIRCUIT TO BE CHECKED:
»
Sync. Separator Circuit.
Check pins(5), (6), (10) and
(11) of IC801.
Vertical linearity and size are
abnormal.
DEFECTIVE VERTICAL AMP.
AND VERTICAL LINEARITY
Re-adjust vertical size.
(Bus Data)
Check R503, R506, R513,
R520 and C515.
NO VERTICAL SCAN
Check IC501.
Check C511.
Check IC501 bias.
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.
14
14-2
14-1
Содержание 21F-PA330I
Страница 17: ...CHASSIS LAYOUT 17 A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 18: ...BLOCK DIAGRAM PWB A MAIN UNIT 18 ...
Страница 19: ...19 PWB B CRT UNIT A C B D 1 2 3 4 5 6 7 8 9 10 A C B D 1 2 3 4 5 6 7 8 9 10 PWB C HEADPHONE UNIT ...
Страница 20: ...20 PWB E SOUND CONTROL UNIT A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 22: ...PWB A MAIN UNIT SCHEMATIC DIAGRAM 22 ...
Страница 23: ...PWB B CRT UNIT 23 PWB C HEADPHONE UNIT A C B D 1 2 3 4 5 6 7 8 9 A C B D 1 2 3 4 5 6 7 8 9 ...
Страница 24: ...24 PWB E SOUND CONTROL UNIT A C B D E F G H 1 2 3 4 5 6 7 8 9 10 ...
Страница 25: ...PWB A MAIN UNIT COMPONENT SIDE PRINTED WIRING BOARD ASSEMBLIES 25 ...
Страница 28: ...28 PWB E SOUND CONTROL UNIT A C B D 1 2 3 4 5 6 7 8 9 10 COMPONENT SIDE CHIP PART SIDE ...
