Table of Contents
Advertisement
2. Main board trouble shooting:
(1) Main:
REMOTE
POWERON
NO
YES
OSD ok?
When no valid
signal
NO
YES
OSD ok.
When input PC
signal
NO
YES
OSD ok.
When input
NO
Video signal
YES
Saving data in
EEPROM
NO
All manuals and user guides at all-guides.com
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
Advertisement
Table of Contents
