Check all the settings microprocessor's adjust process menu.
Is in/output of pins 6, 7, 9 of line. IC801 normal? TU3201 normal? and its 1 of IC402
IC801 Check IC402 Is voltages at No Is input at pin Is in/output of Check the its IC402 normal? power line.
peripheral parts. normal?
Yes Yes
and 4 of IC402 at "L" state? 73 of IC801 AV1 line and its normal? peripheral parts. normal? peripheral parts.
Is output at pin No Check tuner 19 of TU3201 and its
IC1201 input at pin IC801, Yes Check IC402 No Is the pins 2 Is in/output of IC1201 normal?
Yes No Yes
Is input at pin No Check the its panel voltages and 66 of IC2001 and waveform. at "L" state? normal? line. 3 of IC402
TROUBLE SHOOTING TABLE (Continued)
13
Yes
Check IC402 Yes Is the pins 2 its and 4 of IC402 peripheral parts. at "H" and "L" state?
Check LCD Is the pins 65 Yes Check the its line.
No
Check the its line. Is pins 65 Yes pin Is input at pins Check No the Check its the 5 IC402 71 and 72 of IC801 normal? and "L" state? peripheral parts. line. and 66 of SC2001, SY-line, IC2001 at "H" SC-line and their
Yes No 4 Is the pin 66 of
IC402 IC2001 in the "H" sate?
Yes
Check IC402 and their peripheral parts. Check the its line.
