Sharp XG-NV1E, Service Manual

Page: 37 / 66

XG-NV1E
XG-NV1EA
TROUBLE SHOOTING TABLE
(Continued)
37
Yes
Switch off the PC, select the remote
mouse, reconnect the cable, and get
the PC restarted.
Mouse failure
Yes
No
Is cable connected both with serial
port and PC-98?
Is OSD system check remote mouse
properly set?
(Pin (13) of IC200: AT = "L", 98 ="H")
Double connection unacceptable.
Set to AT except for PC-98.
Is CF2001 oscillating?
IC2007 or CF2001 in trouble.
IC1025 in trouble.
IC2007 faulty.
IC2007 faulty.
IC2008 faulty.
No
Is voltage applied to pin (5) of IC2007
and pin (8) of IC2008?
Power is supplied from pin (8) of
J2005 for AT and from pin (1) of
J2006 for PC-98. Recheck the cable.
Yes
No
Yes
No
Yes
No
Is there remote control signal input at
pin (8) of IC2007?
Yes
No
Is communication made with DAT at
pin (15) of IC2007 and CLK at pin(16)
of IC2007?
Yes
No
Click the mouse. Is pin (18)(BUTTON)
of IC2007 set to "H" level?
Yes
No
Is there signal output at IC2008?
PS/2: DATA at pin (24), CLOCK at
pin (25)
MAC: ADB OUT at pin (27), ADB IN
at pin (11)
98: XA at pin (14), XB at pin (15),
YA at pin (16), YB at pin (17),
RIGHT at pin (1), LEFT at pin
(2)