MP-Man PDV-TY995, Service Manual

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TROUBLESHOOTING
LCD
SYMPTOM CAUSE REMEDY
LCD MONITOR PART
1) Picture distortion Defective capacitor (U10) Replace capacitor MST720A.
2) No Picture Defective IC(U1) Replace IC AO9926
3) No Picture, Picture no
Good
Defective IC (U12, 3414). Replace IC 3414.
4) Luminesce no good Defective U4 Replace IC ASM1117
5) Color is no good Defective Y2. Replace Y2.
6) SYNC no good Defective U10 Replace IC MST720A
7) TINT no good Defective U10 Replace IC MST720A
8) Picture no good Defective U10 Replace IC MST720A
9) Brightness no good Defective U10 Replace IC MST720A
10) Key no action Defective U11 Replace IC 25LV512