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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: 711
Sharp
CS chassis
Int sound
Tech Bulletin CTV970203 Feb 97
14-09-04
Sharp
CS chassis
No or int FOP
Tech Bulletin CTV970207 Feb 97
14-09-04
Sharp
CS chassis
Scan at top of screen only - rainbow effect
C501
14-09-04
Sharp
CS chassis
Servicing the Sharp CS Chassis
See TV Mag Jan, Feb and Apr 2001
14-09-04
Sharp
CS chassis
Tuner drift
Tech Bulletin CTV970806 Feb 97
14-09-04
Sharp
CS chassis
Txt rolling & OSD - low/no 45v
Check D619, D621 & R628
14-09-04
Sharp
CS05
Sound dist thro' 1 chan - worse when loud
Replace Q311, 312 & D307, 308 & 27v zeners D303, 304 in drive cct
14-09-04
Sharp
CS05
St/by only
Dis supplies to sound ccts restored pic; Q303/304 drivers faulty tho checked ok out of cct
14-09-04
Sharp
CV2031G
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
Sharp
CV2113H
St/by only
STR41090
14-09-04
Sharp
CV2121G
No chan change
Front controls faulty
14-09-04
Sharp
CV2123
St/by only & no relay operation
Hairline crack next to pin 42 of micro - hidden under paint
14-09-04
Sharp
CV2123H
Low emission crt effect
R621 1R2 near LOPTx hi res causing low crt heater volts
14-09-04
Sharp
CV2123H
Low sound with crackle & dist
Adj top coil on IF module
14-09-04
Sharp
CV2123H
No pic - no crt heaters
R621 dry joints & check diodes in vicinity
14-09-04
Sharp
CV2123H
St/by only - st/by relay operates when asked
STR41090 chip
14-09-04
Sharp
CV2123H
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
CV2123H
TUBE LOOKS POOR ( THIS IS NORMAL!!!! )
R621 1R2 HEATER SUPPLY HIGH
14-09-04
Sharp
CV2123H 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
Sharp
CV2131H
Dead - no line drive
Replace FOP IC X0640CE with equiv. LA7830 & 220mf cap. and the 4.7ohm safety feed res by LOPTx
14-09-04
Sharp
CV2131SC
Dead - led lights briefly at sw on
C723 3µ3 63v bipolar cap
14-09-04
Sharp
CV2131SC
Flyback lines at top of pic
C502 220µ 25v
14-09-04
Sharp
CV2133H
dead set standby light comes on and dies away
C723 4µ7 non pol cap
14-09-04
Sharp
CV2133H
Field collapse
IC801 IX0712CENI or M51390ASP jungle chip
14-09-04
Sharp
CV2133H
Int blank white raster & no sound
T207 int earthing short - fault will come & go whilst squeezing it
14-09-04
Sharp
CV2133H
Int white picture + no audio
Check each coil in IF strip for int short to screening can
14-09-04
Sharp
CV2133H
NO SYNC
Q1603 ON SCART PCB
14-09-04
Sharp
CV2133H
No sync
Q1603 on scart panel - 2SA950 fitted - use 2SA966 for greater reliability
14-09-04
Sharp
CV2133H
Txt lines on top 2" of screen
C502 22µ 25v near fop chip
14-09-04
Sharp
CV2133H 8P-SR
Dead - brief red LED at sw on
Check caps C714 10µ 100v, C716 47µ 63v & C723 3µ3 50v non pol on psu pri
14-09-04
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