5-2 No Picture
Troubleshooting
5-2
Samsung Electronics
No Picture, but sound is
in normal operation
Turn the VR of FBT
, higher screen
voltage and Check the Deflection
is in Normal Operation
(If the deflection is in operation,
flyback signal is appeared)
Check
CRT PCB RK, BK, GK
Check
IC201S #31
Check
Heater V
oltage
Check
HIC202, HIC203,
HIC204 Output
Check CRT and FBT
Check CRT and FBT
Check
200V
, 16.5V Line
Check
IC201S #63
or #59
Replace IC201S
Check
Tuner CVBS Output
Check
IC301
Check
IC803
Normal
Normal
Normal
Normal
Normal
Replace
IC201S
Replace
DZ202
Normal
Normal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Normal
Check 8V
Check DZ202
Summary of Contents for SAM25405C/XAA
Page 2: ...ELECTRONICS Samsung Electronics Co Ltd AUG 2000 Printed in Korea 3KS3A N 3201 ...
Page 12: ...2 6 Samsung Electronics MEMO ...
Page 14: ...3 2 Samsung Electronics MEMO ...
Page 32: ...MEMO 5 4 Samsung Electronics ...
Page 62: ...7 28 Samsung Electronics MEMO ...
Page 66: ...9 2 Samsung Electronics MEMO ...
Page 71: ...10 5 PIP Samsung Electronics Schematic Diagrams 10 5 Power Line Si l Li ...
Page 72: ...Schematic Diagrams 10 6 Samsung Electronics 10 6 CRT SWITCH SWITCH CRT Power Line Signal Line ...