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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: 14
Blaupunkt
F
M12
0
Long time to come on
C420 1µ 63v, C426/429 100µ 25v & TDA4600
14-09-04
Blaupunkt
F
M12
0
Tripping at sw on
LOPTx arcing
14-09-04
Loewe
M12
4
Bottom foldover
C581 47µ 25v
14-09-04
Loewe
M12
4
Int weak contrast
dry joints front controls & pcb
14-09-04
Loewe
M12
4
Lack of height
dry joints field o/p chip & height pot
14-09-04
Loewe
M12
4
No cold start
C624 100µ, C638 1µ
14-09-04
Loewe
M12
4
Small, flat pic with non-lin field
C652, 653 47µ 250v
14-09-04
Lowe
M12
4 C8500
Dead with 1.6A fuse blown
TDA4601 chopper chip s/c, small blue therm in start up cct, T539 BU508D LOPTr hi res
14-09-04
Lowe
M12
4 C8500
High HT (should be 142v)
C652 47µ 250v ; C653 47µ
14-09-04
Lowe
M12
4 C8500
Pic jitter & /or hum on pic with chan display flickering, sound goes low & controls not working int
Check for dry joints in psu, front pcb & IR receiver
14-09-04
Panasonic
M12
C
No go often int.
R513 680R DRY
14-09-04
Sharp
37A
M12
H
Poor pic/sound - noisy
Unable to get correct results in service mode - NVM pt no CH-IX1463CJHC
14-09-04
Sharp
37A
M12
S
Service Menu to acces service mode
Power off at switch Hold -Volume & +Ch & turn set on switch (set should be service mode) Press Ch+ until NVM (last service setting) Now use volume control on remote change top (red) setting to "C5" Now press "0" on the remote Now put set into standby Now turn set of at switch The set should now be able to be tuned in
14-09-04
Sharp
51AM-12G
red raster with flyback lines then shuts off
Q875 on crt base - measured ok out of cct
14-09-04
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