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4-4 No Picture (Power ON, Raster and Sound OK)
4-3 No Power
Troubleshooting
4-2
Samsung Electronics
Abnormal
Abnormal
Normal
Abnormal
Check CN501 pins 1,3,5
(See the waveforms)
Check Q212,Q213,Q214
Check the circuitry
near IC201, IC202
Replace IC201,IC202
Check
the digital board
Check the circuitry near
TDA6120Q and IC
Replae Q212,
Q213,Q214
Normal
Abnormal
Normal
Abnormal
Abnormal
Normal
Normal
Check CN805 pin 2 (STB B+)
Check STB B+ Line (5V)
Check CN805 pin 3
Check IC902
Check Q801 and Relay
Содержание HCH551WX
Страница 2: ...ELECTRONICS Samsung Electronics Co Ltd NOV 1998 Printed in Korea 3APT52A 5501 ...
Страница 23: ...MEMO 3 16 Samsung Electronics ...
Страница 62: ...8 2 Samsung Electronics MEMO ...
Страница 67: ...Schematic Diagrams Samsung Electronics 9 5 9 5 3DCOMB1 Power Line Signal Line ...
Страница 68: ...Schematic Diagrams 9 6 Samsung Electronics 9 6 IF_MODULE Power Line Signal Line ...
Страница 73: ...Schematic Diagrams Samsung Electronics 9 11 9 11 CONTROL SUB Power Line ...