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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: 10
Bush
2031
11AK19-5
Dead with no power led
HT only 60v - dis'd R823 to opto got HT up to 113v but with poor reg - C829 smoothing cap faulty
14-09-04
Grundig
CUC
2031
Set jumps from Chan 1 to AV3 int on its own
Check for arcing LOPTx
14-09-04
NEI
2031
No pic - sound ok
HT ok at 120v - no lop or drive - R605 5k6 4w o/c
14-09-04
NEI
2031
etc.
BUZZ ON SOUND
CHECK 22nf CERAMIC CAPS AT ONE END OF IC.
14-09-04
NEI
2031
TX
Int st/by - unable to switch back on
dry joints psu (all joints resoldered!)
14-09-04
NEI
2031
TX
Wont come on from st/by - ok by on/off sw
SAA1293A R/C decoder chip
14-09-04
NEI
2031
TX
WONT START FROM SBY , ONLY IF PRECISE SWITCH ON FRO
DSAA1293
14-09-04
NEI
2031
TXT
Int dead
Dry joints chopper tfmr
14-09-04
Panasonic
TC
2031
off
R811 & R817 (1R) in psu o/c
14-09-04
Sharp
CV
2031
G
STR 5441 sced. After replacement, (also changed R521) starts with no vertical defl. and goes to stby after a while.Eventually goes dead.
Replace also Q613 2SC1815 Tr.
14-09-04
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