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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: 25
Akai
2
185
Won't go into st/by
CHECK SUPPLY TO PIN 1 OPTOCOUPLER - R572 ( 470ohm )
14-09-04
Akai
CT2
185
Reverts to st/by aft few secs from sw on
Pin 19 of micro low - R748 100k pull up res faulty
14-09-04
Akai
CT2
185
-10
St/by only
dry joints psu
14-09-04
Decca
185
No signals, slow chan change etc
No 33v at ZTK33 33v stab - check R005/6 10k ?w res o/c
14-09-04
Decca
185
No tuning - display shows correct ch numbers.
R005/6 ( 10k , .5w ) o/c.
14-09-04
Decca
185
Over bright P100 & no tuning signals.
R005/6 ( 10k , .5w ) o/c.
14-09-04
Decca
185
SNOW ON SCREEN
R005 R006 OC 1Ok
14-09-04
Goodmans
2170 2175 2180 2
185
2595 TV14RC
LOPTr Q210 has short life - High EHT & Focus volts
C264 47µ 160v (C434 in TV14RC)
14-09-04
Goodmans
2175 2
185
Will not go into StBy
Replace R102 & R103 ( 150K )
14-09-04
Goodmans
2
185
Dead 300V at pin 3 STK54041
Check R104 ( 270K )
14-09-04
Goodmans
2
185
DEAD WITH LINE O/P TRANSISTOR S/C
REPLACE C264 47MFD160V
14-09-04
Goodmans
2
185
LOW FIELD/WIDTH , HUM ETC.
HT SMOOTHING O.C. 220 mfd , 200V
14-09-04
Goodmans
2
185
T
dead
st/by light goes out at sw on - R104 270k o/c in start up cct - R105 & 106 can also be responsible
14-09-04
Goodmans
2
185
T
Dead
R104 270k o/c
14-09-04
Goodmans
2
185
T
Field cramping
C333 4µ7
14-09-04
Goodmans
2
185
T
Green pic
R618 470k o/c ( covered in gunge)
14-09-04
Goodmans
2
185
T
No col
Delay line TAIWDL701
14-09-04
Goodmans
2
185
T
No pic & int sound
C273 0µ002 50v leaky
14-09-04
Matsui
2
185
Lack of width
HT correct at 110v; C428 1n2 2kv flyback tuning cap
14-09-04
Matsui
2
185
LOW WIDTH. HT 110V
C428 1.2nF , 2KV
14-09-04
Matsui
2
185
Tripping - burn up on scan coils
UPC1488H FOPchip u/s, TA8659AN jungle IC u/s (CPC cheapest)
14-09-04
Matsui
TVR
185
Field collapse int - could be tappable
D401 int o/c
14-09-04
Matsui
TVR
185
T
Dead - 330v across mains cap
STRF6707 IC501
14-09-04
Panasonic
Z
185
TX14B4T Daewoo CP185
Blank raster - OSG OK
Replace EAROM IC702 & C832; C863 in power supply; kit TZS9EK021(3 pence from SEME!)
14-09-04
Panasonic
Z
185
TX14BT
Tuning absent
Replace eeprom 24C16 with new reprogrammed chip
14-09-04
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