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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: 11
Aiwa
VXT1000
Dead TV sect
IC4 STK7348, R103 1R5 3w, R104 27R 3W, R105 1k 1/2w. C90 1µ 50v was to blame
14-09-04
Aiwa
VXT1000
STK7348 chopper chip int fails
C88 3300pF 1kv can be the cause even tho' it looks ok
14-09-04
Aiwa
VXT1000 Mk2
Dead
Ht ok at 120v - ICP1 o/c
14-09-04
Aiwa
VXT1000 Mk2
Dead
STK7348 s/c pins 3 & 7, also R103 1R5 3W o/c, R104 27R 3w, R105 1k 1/2w & C90 1µ 50v
14-09-04
Aiwa
VXT1000 Mk2
Dead - no line drive
D7 9v1 zener & C105 330µ 16v both s/c
14-09-04
Aiwa
VXT1000 Mk2
Failure of IC STK7348 in tv psu
Replace:R102. 33ohmlW Part No S5 34A 330 000 R104 27ohm 3W Part No Sl 330 703 000(6.25UKP) RlOl 33ohm7W Part No Sl 330 862 000(8.37UKP) Also please check and if necessary replace:R103(3.76UKP) R105 Replace as required. R109(4.00UKP) NOTE: Do not replace IC on its own.<<
14-09-04
Aiwa
VXT1000Mk2
Dead
STK7348 psu chip & C88 0.0033pf 2kv
14-09-04
Aiwa
VXT1000Mk2
Dead TV sect - vcr sect ok
C88 0.0033µ 1kv burnt; STK7348 psu chip s/c; R109 3R9 7w o/c
14-09-04
Aiwa
VXT1000Mk2
No pic sound ok
C88 3n3 1kv burnt
14-09-04
Aiwa
VXT1000MkII
Sound no picture.
Replace IC4(STK7348) and C88(3n3 1kv).
14-09-04
Goodmans
Compact100
hum bar when heated
1N5402 rect diode o/c
14-09-04
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