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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
Sharp
DV3751
DV5131H
CHANGING MICRO
WHEN CHANGING MICRO REPLACE NVM ALSO IC1001 SDA20561- ( A535 ) RH-IX1492BMN2 IC1002 NVM Sharp CH-IX1463CJH7
14-09-04
Sharp
DV5131H
Blown psu
Chopper tfmr T101 has s/c pri windings
14-09-04
Sharp
DV5131H
Dead
Start up supply to TEA1039 only 2v (15v); R728 3k3 fusible o/c; D707 RGP10G
14-09-04
Sharp
DV5131H
FAILURE OF IC501 DUE TO INCREASED F.BACK
Replace IC & remove jumper from D502 & replace with 4.7V zen as marked also fit D503 as marked PtN DX0501BMZZ
14-09-04
Sharp
DV5131H
FOLDOVER WITH COLOURED FLYBACK LINES
REPLACE C712 100MFD 35V
14-09-04
Sharp
DV5131H
Int Txt/loss of chans
IC1002 EEPROM (blank 24C02P unsuitable)
14-09-04
Sharp
DV5131H
Long time to come on
C1006 22µ 50v near field chip
14-09-04
Sharp
DV5131H
NO TEXT , POOR FIELD , NO PICTURE , INT PICTURE .
FIT 2 8.2v ZENERS FROM PINS 8 & 7 IC1002 TO PINS 1 & 2 ( PIN 8 +ve , PIN 1 -ve . PIN 7 +ve , PIN 2 -ve ) , FIT 10nF ACCROSS P
14-09-04
Sharp
DV5131H
NO TEXT NVM DATA COUPT REPLACE C714 WITH 2200uF
C714 2200mfd Sharp VCEAGA1CW228M ZENER Sharp RH-EX0413BMZZ ( PIN 5 + PIN 6 CATHODE )
14-09-04
Sharp
DV5131H
psu blown
chopper tfmr pri s/c T101
14-09-04
Sharp
DV5131H
DV5150
NO CHROMA AFTER CHAN. CHANGE OR SLOW TO LOCK AFTER
ADD 8.2M RES. BETWEEN PINS 25 - 39 OF IC801
14-09-04
Sharp
DV5131H
S3B
Int blows Q702 chopper tr MJF18006 % mains fuse
Replace the chopper transformer (T701 type HR290N) with an HR9433 and fit MJF18008
14-09-04
Sharp
DV5131H
S3B chassis
Tripping - LOPTr Q603 goes s/c periodically
Replace with 2SD1556, replace FB601 with coil pt no VP-CF1ROK0000 & add 1k8 1w in series with R600
14-09-04
Sharp
S3B
DV5131H
coloured lines on top
C712 100uF 35V
14-09-04
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