
5-3 Horizontal Line Appears
Troubleshooting
Samsung Electronics
5-3
Abnormal
Normal (24V)
Abnormal
Check/Replace
IC201.
NG
Single Horizontal Line
Check
24V-C Voltage.
Check
Waveform of IC201
Pins 22,24.
Normal
O.K
Check Whether
a horizontal line appears in
the service mode..
Check/Replace
IC301.
Check
FBT Pin 2 (24V)
Oscillation.
Normal
NG
Check R409
Open.
Check/Replace
R409.
Open
Check/Replace
FBT.
Summary of Contents for TXH1370
Page 2: ...ELECTRONICS Samsung Electronics Co Ltd AUG 1998 Printed in Korea 3K15A 3701 ...
Page 17: ...MEMO 4 6 Samsung Electronics ...
Page 22: ...6 1 TXH1370 UCX TXH1370 CCX ...
Page 24: ...6 2 TXH1970 UCX TXH1970 CCX ...
Page 26: ...6 3 TXH1372 UCX TXH1372 CCX ...
Page 28: ...6 4 TXH1972 UCX TXH1972 CCX ...
Page 30: ...6 5 TXH1373 UCX TXH1373 CCX ...
Page 32: ...6 6 TXH1973 CCX ...
Page 34: ...1 1 1 2 1 3 1 4 1 5 1 9 1 8 1 6 1 7 2 2 2 2 1 3 3 2 3 1 3 3 6 7 TXH1386 UCX ...
Page 36: ...6 8 TXH1986 UCX ...