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07-13-2008, 11:39 | #1 (permalink) |
No Life Poster Join Date: Jan 2005 Age: 42
Posts: 620
Member: 111730 Status: Offline Thanks Meter: 118 | please help N70(display and keypad no light) i already changed the coil,led driver,tahvo ic,retu ic,but the problem not solved......please any one can help me 2 solved this roblem |
07-13-2008, 18:18 | #3 (permalink) |
Insane Poster Join Date: Nov 2007 Location: malaysia
Posts: 95
Member: 638003 Status: Offline Thanks Meter: 18 | you have test too charge the light sensor or no(at the diplay connector beside) !because some time is the sensor problem! i also have one time like your problem too i all charge all part but also not light! after i charge the sensor is ok |
07-13-2008, 21:40 | #6 (permalink) |
Freak Poster Join Date: Aug 2006
Posts: 477
Member: 339455 Status: Offline Sonork: 100.1589401 Thanks Meter: 86 | Hello please check this schematic and measur resistor in FB pin to a value near the 33 ohms. and 1.2v to 3.9v in A2 pin for enabling light(under light fade time). |
The Following User Says Thank You to mazmaz1 For This Useful Post: |
07-14-2008, 13:19 | #9 (permalink) |
Freak Poster Join Date: Aug 2006
Posts: 477
Member: 339455 Status: Offline Sonork: 100.1589401 Thanks Meter: 86 | man what you say ? if your measuring values are same as top schematic and you have 14v in output of this unit you must do jumpers to connect voltages to led lines. |
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