Table of Contents
Advertisement
5-2 Initial
Initial Failure
Downloading SW is OK ?
(Is CSROM signal OK ?)
Yes
Check all the other connection
by Test S/W
Check the circuit around LCD
Check the circuit
around U113(EEPROM)
and data stored in it
END
Flow Chart of Troubleshooting and Circuit Diagrams
No
After power on,
check and repair the important
signals of U110 as follows
The node
between R126 and C145
= "H" (RST)
R137 = "H" (BOOT)
R136 = "H" (MSIZE)
R128 = "L" (EXTPROC)
Replace PBA
No
Yes
No
Yes
No
Yes
No
Check the circuit
related to reset
Resolder R137
Resolder R136
Resolder R138
5-3
Advertisement
Table of Contents
