TROUBLE SHOOTING
RF- STEREO
Selected correct system In menu
OK
Check the waveform IF 1 of TU101
OK
Check the waveform At pin 4, 5 of IC11
OK
NO Check / Replace | |
| TU 101 |
NO | Check The Voltage |
| |
| At pin 2, 19, 20, 21, 24 of IIC11 |
NO
Check The voltage
At pin of IC821, IC822, Q807
NO
Check the waveform At pin 2, 4 of IC601
OK
Check the Voltage At pin 6 of IC601
OK
NO
Check / Replace Q601
Check / Replace C821, IC822, Q807
Check the waveform At pin 8, 9, 11, 12 of IC601
OK
Check the Voltage At pin 5, 6 of IC602
NO | Check / Replace |
| F806, D828(D805) |
No Raster / Sound OK
Check the
Heater voltage of CPT (6 ~ 6.5Vrms)
OK
NO
Check
HV, Screen Voltage of
CPT
NO | OK |
|
|
Check
R, G, B out of CPT Board
NO
Check the
Heater pulse of FBT T402
| OK | NO |
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Check FBT T402
Check 200V line of CPT Board
&if no problem check and Replace
Check IC901, P903A
Check FR901, P402A P402B, FR 401
Check FBT T402
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