W.rt v-h or va t-d j.h r – Samsung CS29A5HT8X/BWT User Manual

Page 28

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5-2 No Picture

Tr

oubleshooting

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 Voltage

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

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