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Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair
Make
Model
Problem
Solution
Date
Found: 6
Nokia
3724
Monoplus
Tripping
s/c across U" 12v supply - pin 2 RGB o/p IC TEA5101N/B on crt base s/c
14-09-04
Nokia
Monoplus
Dead - HT comes up briefly at sw on
C033 10µ 160v hi esr
14-09-04
Nokia
MonoPlus
Dead - s/c VO37 c-e to disable trip got psu running without sound/pic
Micro not running - with 1.5v on reset pin 33. VF10 BC858C sm was faulty tho checked ok
14-09-04
Nokia
MonoPlus
Weak lum
SMD IC NR3 on text board.74HC4053D/HEF4053BT
14-09-04
Nokia
Monoplus
5864
Lack of width with HT set correct at 109v
Coil LK11 in series with scan coils shorted turns
14-09-04
Nokia
Monoplus
5864
To set HT & other menu driven functs
s/c test point XF01 to chassis, enter service mode by pressing Mute, M & TV on handset. Move up/down menus, use vol up/down to change settings. Measure HT at test point X003
14-09-04
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