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05-11-2002, 17:18
| #1 (permalink) |
| No Life Poster   Join Date: Jun 2001 Location: www.microera.si
Posts: 1,535
Member: 4923 Status: Offline Thanks Meter: 74 | T28 "no display" water damage But all work except display. Background LED are OK. I change with other good display but without success…. I try to unlock again with ATR53, 52, 50 but without success! LCD is clear!! Any good solution?  |
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05-11-2002, 18:04
| #3 (permalink) |
| No Life Poster Join Date: Jun 2001 Location: www.microera.si
Posts: 1,535
Member: 4923 Status: Offline Thanks Meter: 74 | T28 "no display" water damage I have one good T28 and one in failure... On both are same resistance....on PCB (display) connector! left ro right: 1k3, gnd, 1k3, 700 E, n.c. But display not work?! I will investigate and report..... I think hat is maybe SW problem.....?! |
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05-13-2002, 13:43
| #4 (permalink) |
| No Life Poster Join Date: Jun 2001 Location: www.microera.si
Posts: 1,535
Member: 4923 Status: Offline Thanks Meter: 74 | T28 "no display" water damage I was found breaking PCB track at last contact (n.c.) This track was breaking near LCD connector! Good voltages are (from left to right): 2.75, gnd, 2.75, 2.75, 5.5V I repair and all work good now!! best regards, |
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