28
TV DOESN´T
TURN ON
Check:
IC101
pins14/39/54
/56/61 (supply voltage).
OK ?
Fix the voltage
supply
Check: IC 101,
Q904 and R927
If it’s 12V, TV is in
stand by mode
Check:
D912
Check:
D912 gate pin (9V).
OK ?
Check
Q904 signal.
OK ?
No
No
No
Yes
Yes
Yes
8.4 – REPAIR PROCEDURE FLOWCHART – POWER SUPPLY - MAIN CIRCUIT
Summary of Contents for CR14300
Page 11: ...13 5 2 BLOCK DIAGRAM OF IC 101 TDA9380 ...
Page 12: ...14 5 3 BLOCK DIAGRAM OF IC 490 BU4052 ...
Page 14: ...16 5 6 BLOCK DIAGRAM OF IC 450 STEREO DECODER ...
Page 15: ...17 5 7 BLOCK DIAGRAM OF IC 430 LMC568 PLL SAP ____________________________________________ ...
Page 64: ......
Page 65: ......