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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: 21
B & O
900
0 33XX
Tripping - & going to standby.
Dry joint on C18 S-correction capacitor.
14-09-04
BPL
900
2ECR
Hissing from LOPTx & HT low at 75v
C561 220µ 250v HT res cap
14-09-04
BPL
900
2ECR
Patterning on pic
C562 22µ 250v
14-09-04
BPL
900
2ECR Mk2
Dead - caps in psu sec had blown up
Hi HT - change Q511 2SA1015 , R552 91k, R555 47k & opto coupler
14-09-04
BPL
900
2ERC
No OSD ot tunimg
R722 12k o/c
14-09-04
BPL
900
9KDR
Lines over pic & bent verts
C421 1000µ faulty - decoupler for IC201 supply pin 6
14-09-04
Crown
CTZ
900
2R
st/by only
Pri HT at chopper tr - R320 120k 1/4w in psu o/c
14-09-04
Crown
CTZ
900
9R
E/W fault & width varies
Scan coils
14-09-04
Datssura
CDR
900
9
Rolling non-lin pic
R548 hi res (varies with model - 180k typical)
14-09-04
Ferguson
900
0
Blank raster with flyback lines.
R711 o/c left hand side on line board.
14-09-04
Ferguson
900
0
Dead - blowing mains fuse for no reason.
Check fuse holder for being loose or charred.
14-09-04
Ferguson
900
0
Teletext - lines at top 3".
C410 ( 1000u f ) o/c.
14-09-04
Ferguson
900
0
Tripping.
Tripler , Diode W705 s/c.
14-09-04
Ferguson
9
900
Tuning - will not tune in.
Check for 33v supply & a 15k resistor 2watt change it.
14-09-04
Finlux
900
0
No cold start
Ru17 270k & Cu6
14-09-04
Finlux
900
0
Startup - failure to start from cold.
Ru17 ( 270k ) , Cu6 dried up.
14-09-04
KENWOOD
KM2
900
M
INT THERMAL CUTOUT CUTS IN
CHECK IMPELLER IS NOT SLIPPIN ON FAN MOTOR SHAFT IF IT IS GLUE AND REFIT
14-09-04
Lowe
C
900
0
Dead
fusible link R504 o/c & 315mA fuse in LOP o/c - LOPTx
14-09-04
Lowe
C
900
0
Field - lack of height
27v supply low, C656 2200µ35v & T658 BD139
14-09-04
Lowe
C
900
3
Relay on front PCB energized but volts at PSU main Cap <300V (No start up as there is <7v to TDA 4601
Relay on Front panel is defective, it make contact only briefly (you cannot turn the set on by s/c relay contacts )
14-09-04
Zenon
900
9KR
st/by only
4R7 5w surge lim o/c, 2SD1710 chopper tr s/c - use BU508AF
14-09-04
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