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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
Sharp
CV2
123
St/by only & no relay operation
Hairline crack next to pin 42 of micro - hidden under paint
14-09-04
Sharp
CV2
123
H
Low emission crt effect
R621 1R2 near LOPTx hi res causing low crt heater volts
14-09-04
Sharp
CV2
123
H
Low sound with crackle & dist
Adj top coil on IF module
14-09-04
Sharp
CV2
123
H
No pic - no crt heaters
R621 dry joints & check diodes in vicinity
14-09-04
Sharp
CV2
123
H
St/by only - st/by relay operates when asked
STR41090 chip
14-09-04
Sharp
CV2
123
H
TRIPS relay clicks on off with StBy command
Check for s/c in line stage D/J around STR41090 IF STILL TRIPS REPLACE STR41090
14-09-04
Sharp
CV2
123
H
TUBE LOOKS POOR ( THIS IS NORMAL!!!! )
R621 1R2 HEATER SUPPLY HIGH
14-09-04
Sharp
CV2
123
H 7PSR1
Trips at sw on
Dry joints psu or STR41090 chopper chip - test by powering up with reduced mains - if set does not start the chip is faulty
14-09-04
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