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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: 8
TOSHIBA
2539DB
LINE HOLD OFF AND NO TEXT
REPLACE RF80 10 OHM
14-09-04
Toshiba
2539DB
looks like line hold off speed, also no text
no 5V to text PCB, RF80 10R o/c (next to QF80)
14-09-04
Toshiba
2539DB
NO SOUND - WOOFER NOT WORKING ( WOOFER DOESNT WORK
CHECK D672 / 673 etc.
14-09-04
Toshiba
2539DB
stuck in stby, LED on, HT comes up and immediately goes down
LOPTx T461 s/c (23236447)
14-09-04
Toshiba
2539DB
C2D
Dead - burst of EHT at sw on then LED goes out
HT too high at 170v - opto Q826 TLP621G
14-09-04
Toshiba
2539DB
C2D
Dead with G & R LEDs flashing
HT only 50v - Q828 2SC2230A s/c between LOPTr and HT smoothing cap, Q841& Q842 2SC1015 s/c in PSU sec. Note -Q841 is marked wrong way around on print side of PCB
14-09-04
Toshiba
2539DB
, 2939DB, 3339DB
Contrast changes when playing DVDs with Macrovision
Add 10k res between pins 54 & 61 of IC501 & R211 from 1k to 4k7
14-09-04
Toshiba
2927DB 3327DB
2539DB
C2D
Frame bounce on channel change.
R329 22K.
14-09-04
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