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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: 41
JMB
20NTX 11A
K30
Sound absent apart from the odd crackle
18.432Mhz Xtal in Nicam circuit
14-09-04
Philips
K30
Black band across screen
Varies with tuning & agc Adj - Replace 3 electro caps in IF can
14-09-04
Philips
K30
Blank raster - sound Ok.
C1586 ( 100uf , 35v )
14-09-04
Philips
K30
Blank raster & no chan change
500mA fuse on Remote panel psu
14-09-04
Philips
K30
Blank raster.
C2147 ( 0.022uf ) intermittent leaky.
14-09-04
Philips
K30
BLANK SCREEN
C1586 100uF 35v
14-09-04
Philips
K30
Brightness low - May have flyback lines.
C583 ( 4.7u f , 250v )
14-09-04
Philips
K30
Changing tuner - use U342LO with mod.
Mod type see Tv Mag.
14-09-04
Philips
K30
Colour background changing.
D4255 ( BA21 ) leaky.
14-09-04
Philips
K30
Contrast - low.
C1565 o/c.
14-09-04
Philips
K30
Dark pic when cold
C1583 4µ7 - HT low at 144 instead of 155v
14-09-04
Philips
K30
Dark raster - sound ok
All 3 crt cathodes at 160v - C586 100µ 25v (-20v supply)
14-09-04
Philips
K30
Dead - intermittent.
Dry C561.
14-09-04
Philips
K30
Dead.
R6291 ( 4.7R ) o/c.
14-09-04
Philips
K30
Dead.
C2147 leaky , B5558.
14-09-04
Philips
K30
East west.
T1490 dry , Y1485 leaky.
14-09-04
Philips
K30
Field collapse
no 32v supply, R1590 1R2 surge lim o/c, C1521 1500µ s/c
14-09-04
Philips
K30
Frame - black band at bottom of picture.
C1588 ( 690uf ) o/c.
14-09-04
Philips
K30
Frame - collapse partial.
C1521.
14-09-04
Philips
K30
Frame collapse.
C1521 ( 1 , 500uf ) s/c , R1590 ( 1.2ohm ) o/c.
14-09-04
Philips
K30
Frame collapse.
R1590 o/c.
14-09-04
Philips
K30
Goes green when warm
Green 1st Anode pot int
14-09-04
Philips
K30
Lines with no luminance or chrominance.
R8380 ( 47R ) o/c.
14-09-04
Philips
K30
LOW FIELD + SEVERE FLYBACK LINES
R585 HIGH ( LOWERS 13v SUPPLY RAIL )
14-09-04
Philips
K30
No colour - intermittent.
Drys on tag 4 of sync module.
14-09-04
Philips
K30
No controls manual or remote operation
IC 005 15v Reg.
14-09-04
Philips
K30
No picture - after around twenty minutes.
Dry on pin 1 of U7 sound panel/mother PCB connector.
14-09-04
Philips
K30
No red - intermittent.
C3046 ( non-text ) , C2171 ( text )
14-09-04
Philips
K30
No startup.
C1460a/b going o/c.
14-09-04
Philips
K30
Noiseless raster.
R1412 ( 12R ) intermittent o/c.
14-09-04
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Last SM download : Kenwood XXV03A
script execution: 0.09 s