2.Main board trouble shooting:
(1) Main:
REMOTE POWERON
YES
OSD ok? When no valid signal
YES
OSD ok. When input PC signal
YES
OSD ok. When input Video signal
YES
Saving data in
EEPROM
NO
NO
NO
NO
NO
1.See CPU trouble shooting U18, reset successful?
2.U17, RP25, RP24 OK?
3.CPU (U10) 56pin(IR) signal?
1.RP19,RP17,RP15,RP13
ok?
2.U19, U20 OK?
3.Check L8 with 100Mhz ok?
4.check L9 with 40Mhz ok?
1.check J2
1.RP1, RP2, RP3, RP4, R6 R3, R2, R4 ok? (SIL504 output)
2.check J2
1.Replace U6 (EEPROM) 2.check R36 R37(IIC pull high
resistors)
40
