Troubleshooting
6Ć58 MTG100 & MTG300 MPEG Generator Service Manual
No
Yes
Does the backlight
of the LCD module
turn on?
(C)
Power off and remove the
cabinet using the Rear Cover
andCabinet removal procedure.
and then remove the A10 Main
board.
Short between pin 2 and 3 of J278
on the A40 MISC (Power
Distribution & Interface) board (see
Figure 6Ć36).
Does the BIOS of
the CPU boot?
Is pin 3 of J270 on
A40 board at +5V?
(See Figure 6Ć36)
No
Yes
Replace the A40 MISC
(Power Distribution &
Interface board.
ToSolid state disk, page 6Ć65.
Yes
Is pin 6 of J270 on
A40 board at +1.9 V?
(See Figure 6Ć36)
No
Replace the LCD module.
Yes
Replace the A40 Power
Distributor & Interface board.
No
Yes
No
Replace the A20 Interface
board.
Is the A20 Interface
board securely
installed?
Securely install the A20
Interface board.
Figure 6Ć28: Troubleshootingprocedure (6)