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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Nokia > Nokia Hardware & Hardware Repair


Nokia Hardware & Hardware Repair all what you need for Hardware Repairing for Nokia Phones. Before writing any thread here try to check the Frequently Asked Questions Section.

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Old 01-08-2012, 20:24   #1 (permalink)
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Question Nokia N70 Keypad Light ok But No Display light


Nokia N70 Keypad Light ok But No Display light







Pls Help Me.....................
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Old 01-08-2012, 21:04   #2 (permalink)
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[IMG]http://1.bp.********.com/_k41tZDCnLi0/TANopWK6-SI/AAAAAAAAACw/9A1gWRVkA6s/s1600/light2.gif[/IMG]
try this solution post result
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Old 01-08-2012, 23:17   #3 (permalink)
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Quote:
Originally Posted by Arzzu View Post
Nokia N70 Keypad Light ok But No Display light







Pls Help Me.....................
1-First resolder X4401 and check its status
if no result:

2- check voltage =14 v in PIN12 of X4401
if not present
jump from capacitor C2315 to pin12 of x4401
if present

3-check voltage =0.7 in PIN13 of X4401
if not present
change LCD
if Higher
check R2304 =39 Ohms if OK jump from PIN13 of X4401 to R2304
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Old 01-10-2012, 18:56   #4 (permalink)
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Question Nokia N70 Keypad Light ok But No Display light

All Connection are ok But Display Ic May be Changed by Any other technician





Light Problem Can be From IC?






Pls Help....................
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Old 01-10-2012, 20:29   #5 (permalink)
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Quote:
Originally Posted by Arzzu View Post
All Connection are ok But Display Ic May be Changed by Any other technician





Light Problem Can be From IC?






Pls Help....................
How much voltage at pin12?Chk if it have 14V if it have 6V,8V or 10V replace light coil.
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Old 01-26-2012, 19:37   #6 (permalink)
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Thumbs up Nokia N70 Keypad Light ok But No Display light

My Problem is Solved




Thanks ALL MEMBER for response my quote

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Old 01-26-2012, 20:01   #7 (permalink)
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Great work bro i m glad you solved.
If you want some knowledge watch this http://*********/FR6LdbD1YsM
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Old 01-26-2012, 21:34   #8 (permalink)
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My Problem is Solved




Thanks ALL MEMBER for response my quote

How do you solve your problem?
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