- 19 -
CHECK IF HEATER ELEMENT IS LIGHTING
CHECK /REPLACE
R415
INCREASE THE SCREEN
VOLTAGE OF FBT
RETRACE LINE
IS VISIBLE
CHECK THE WAVEFORM
AT PIN42 OF I102
SCREEN IS BLACK
0V
NG
CHECK THE HEATER VOLTAGE
CHECK/REPLACE
Q401, Q402
CHECK THE WAVEFORM
AT PIN 10, 11, 12 OF I102
NO
CHECK/REPLACE
Q561, Q562, Q563
CHECK/REPLACE
I102
NO
YES
CHECK/REPLACE
T402(FBT)
SC562(CRT SOCKET)
5-2. NO RASTER & PICTURE
Содержание CT-21FD9M
Страница 25: ...24 6 BLOCK DIAGRAM...
Страница 32: ...31 8 3 SOUND AMP IC I603 I604 TDA1905 8 4 VERTICAL IC I301 LA7841K...
Страница 33: ...32 8 5 MAIN IC I102 NN5198N...
Страница 34: ...33 8 6 STZRZO IC I602...
Страница 35: ...9 EXPLODED VIEW...
Страница 36: ......
Страница 37: ...10 SCHEMETIC DIAGRAM...
Страница 38: ......
Страница 39: ...11 PRINTED CIRCUIT BOARD...
Страница 40: ......