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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: 17
Bush
271
4
Dead with 2.5A mains fuse blown
Tr801 BU508A s/c, R801 2R2 5w o/c, R809 270k o/c, IC801 TDA4601 & therm TH802 CHS pt no 12001GT
14-09-04
Bush
271
4
Stuck in st/by
R603 3k9 5w HT feed to LOP o/c
14-09-04
Bush
271
4
Stuck in StBy - Psu ok
R603 3k9 5W oc ( line driver feed )
14-09-04
ITT
CT
271
2 CVC1200
White raster with flyback lines.
Diodes by BU208 go s/c , a Ristor burnt up ( use BY133 )
14-09-04
ITT
CT
271
2 CVC1203
Dead.
MR diode s/c , may have taken tripler.
14-09-04
ITT
CT
271
2 CVC1203
No Frame - resistor R522 burnt up.
R522 is a 0.47R , D523 ( BA158 ) , TBA2653A
14-09-04
ITT
CT
271
2 CVC1203
No tuner voltage.
R522 is a 0.47R , D523 ( BA158 ) , TBA2653A
14-09-04
ITT
TX
271
3
Frame - line 2 1/3 way down.
Drys on frame earth.
14-09-04
Nokia
ST
271
Mono Plus
Lack of height
RS01 4M7 33v to pin 43 TDA8362A
14-09-04
Philips
25ST
271
6/05B
NICAM SOUND DISTORTED ON ONE CHANNEL
TDA1543 IC7168 Pt-No 4822 209 73236
14-09-04
Philips
25ST
271
6/05B
Sound dist on lh Nicam chan
IC7168 TDA1543 DA converter chip
14-09-04
Sony
AE-1 KVDX
271
TU
takes 10-20 min to come on
C615 1000uF 35V
14-09-04
Sony
AE1 KVDX
271
TU
Shuts down at sw on with burst of EHT
IC251 audio chip cracked & dry joints - caused by incorrect conn of ext amp - also check C615 1000u 35v for dry joints
14-09-04
Sony
KV
271
2
SCREEN ONE HALF GREEN
IC 302 TDA4661
14-09-04
Sony
KVDX
271
TU
Dead aft 30 mins
Replace caps in psu
14-09-04
Sony
KVDX
271
TU
Field cramp at top with fb lines
C5006 3.3mfd 160v on D1 PCB vert on lhs
14-09-04
SONY
KVDX
271
TU
SET TAKES 10-20 MINS TO COME ON
REPLACE C615 IN POWER SUPPLY 1000MFD35V
14-09-04
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