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Removal and Installation Procedures
6-56
AWG710 Service Manual
Is a screen
pitch-black?
The
voltage of
TP030 on the A10
connector board is
+5 V and TP010 is
+12 V?
Are
the 50 pin flat cable
connected to J220 on A10
board and the cable connected
toĂJ225 on A10 board
securelyĂinstalled in their sockets
and are the cables
ok?
Securely install
and/or replace
the cables.
Yes
Yes
Yes
Yes
This procedure helps you
determine whether the LCD
or/and Backlight inverter
is bad.
No
No
Yes
No
Replace the
Backlight inverter.
No
Is the cable
connected to J245 on A10
board securely installed in
their sockets and
are the cables
ok?
Securely install
and/or replace the
cables.
The
voltage of
TP030 on the A10
connector board is
+5V?
Check the Power
supply and A10
Connector board.
Check the Power
supply and A10
Connector board.
No
Replace the
TFT LCD.
Figure 6-29: Troubleshooting procedure 3 Ċ LCD module