|
No hay comentarios de productos.
5-2 Initial
Initial Failure
No
U452 pin 4 = "H" ?
Check and repair the important signals of U414 as follows
The node between R312 and C325 = "H" (RST)
No
Check U307
Yes
No
R348 = "H" (BOOT) Resolder R348
Yes
Check all the other connection by Test S/W R440 = "H" (MSIZE)
No
Resolder R440
Yes
Check the circuit around LCD
No
R438 = "L" (EXTPROC) Resolder R438
Check the circuit around U304(EEPROM) and data stored in it Replace PBA
END
Flow chart of trouble shooting
5-2
|
