Specifications

— 27 —
Poor connection?
Solder line
No
Replace parts.
Yes
1
Pin 3 of transistor Q2 "H"?
Yes
Pin 28 of SSC2571F0A "L" ?
Repair section 3 : For memory problem
Poor connection on RAM chips ?
Yes
No
Poor connection on CPU ?
Replace RAM chips or CPU.
Solder line
1
Yes
No
Yes
START
START
Repair section 2 : For no display or wrong display problem
Poor connection? Solder line
No
Replace parts.
Yes
1
No
LCD drive voltages OK?
(V1~V5)
Yes
Poor connection on chip
resistors R14~R18 ?
Poor connection on
capacitor C12~C16 ?
Chip capacitor OK ?
Solder line
No
Chip resistor OK?
Replace parts.
No
No
No
Yes
Yes
Yes
Yes
No
1
Poor connection or cut of heat seal cable ?
Yes
Replace heat seal.
1
Poor connection on LCD driver ?
Yes
1
Solder line
Poor connection or cut of heat seal cable for LCD ?
Replace heat seal.
1
Yes
LCD cracked ?
Yes
1
Replace LCD.
No
No
1
No
No
Poor connection?
Solder line
No
Replace parts.
Yes
1
Pin 3 of transistor Q1 "H" ?
Yes
No
No
Repleace TAB LSI or Display PCB ass'y.