Read Sharp XG-P10XE (serv.man2) Service Manual online
47
XG-P10XE
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-6
Checking the OSD circuit and its peripheral circuits
Display OSD on the screen.
Yes
No
Are there signals at pins (56), (58),
(71) and (72) of IC8048?
(71) and (72) of IC8048?
IC8029 or its peripheral circuit faulty.
Yes
No
Are there signals at pins (12), (14)
thru (17) and (20) of IC8048?
thru (17) and (20) of IC8048?
IC8048 or its peripheral circuit faulty.
Yes
No
Are there signals at pins (23) thru
(42) of IC8048?
(42) of IC8048?
IC8046, IC8047 or thein peripheral
circuit faulty.
circuit faulty.
IC8048 or its peripheral circuit faulty.
IC8001 circuit faulty.
Checking the remote control
Yes
No
Run the remote control. Are there
signals at pin (59) of CON4 (P8405)
connector?
signals at pin (59) of CON4 (P8405)
connector?
output PWB faulty.
