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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: 749
Goodmans
145TTA
Dead zero voltage at pin 2 of the STR50103 regulat
Replace R502 ( 330k )
14-09-04
Goodmans
145TTA
St/by only
R502/3 330k start up res o/c
14-09-04
Goodmans
1465TS L6.1
Dead - psu blown due to EHT lead arcing in LOPTx
Fit PSU kit 482231010663 & LOPTx 482214010562 & LOPTr
14-09-04
Goodmans
1465TS L6.1
Weak contrast - black vert lines
C2427 33nF 250v in beam lim
14-09-04
Goodmans
147
Dead ZD402 s/c R425 o/c
Check C911 & C909 Beware orientation of C909 should be "-" plate to Q904
14-09-04
Goodmans
147/149
Dead
SEE Bush 1400
14-09-04
Goodmans
1475TS
Int blank raster - ok on scart
Vid proc I501 TDA8374A
14-09-04
Goodmans
147TT
Dead
ZD402 12v, R425 5R6 3w caused by C911 47µ 50v (may be inserted wrong polarity - marking on some boards is wrong)
14-09-04
Goodmans
147TT
DIST FIELD
R413 6k8 HIGH
14-09-04
Goodmans
147TT
NO VIS , BLANK RASTER ( MAY RE-APPEAR WHEN A1 ADJ.
R430 180k
14-09-04
Goodmans
148
WONT STEP UP CHANNELS INT ( ALSO OTHER ODD EFFECTS
CHANGE MEM ICs ( BOTH ) IC**CAT24C02P
14-09-04
Goodmans
148T
ROLLING AND PULLING PIC.
CHECK C703 47nf
14-09-04
Goodmans
149TT
Dead ZD402 s/c R425 o/c
Check C911 & C909 Beware orientation of C909 should be "-" plate to Q904
14-09-04
Goodmans
149TT
Field collapse
R375 180k o/c (connected to pin 33 AN5601 IC301)
14-09-04
Goodmans
14RC 20RC
LOW CONTRAST/ COLOUR
R241 ( 150k ) NEAR SCAN PLUG
14-09-04
Goodmans
2019R
MILKY OR STREAKY PICTURE
REPLACE ZD301 5.1V ZENER
14-09-04
Goodmans
2019R
Milky/streaky pic
ZD301 5v1 zener
14-09-04
Goodmans
2019R
No sound
Q615 2SC1815 in mute cct
14-09-04
Goodmans
2019R Onwa
High contast - wont reduce
7.5v on 5v supply to micro - Q615 leaky
14-09-04
Goodmans
2019R(Onwa)
Poor contrast after replacing usual caps & 12v zener
IC301 AN5601K col dec chip
14-09-04
Goodmans
2019R/2029R
High contrast with no control after ZD401 C909 etc replaced
IC301AN5601K damaged
14-09-04
Goodmans
2025RS
3 defocussed col rings fill screen
IC301 TDA8356 Field osc is outputting at line rate - chip u/s
14-09-04
Goodmans
2025RS
Bright R, G or B raster
Replace TDA6101Q on crt base
14-09-04
Goodmans
2025RS
Dead symptom although PSU runs - no st/by LED
No reset pin 15 IC1701 due to no o/p pin 6 IC1802 TDA8138 - faulty
14-09-04
Goodmans
2025RS
DEAD WITH NO STANDBY LIGHT POWER SUPPLY RUNNING
REPLACE IC1802
14-09-04
Goodmans
2025RS
Dead, no st/by but PSU running ok
No reset pin 15 IC1701 due to no o/p pin 6 IC1802 TDA8138 - faulty
14-09-04
Goodmans
2025RS
Excess of 1 pri col - no pic
TDA6101Q driver IC
14-09-04
Goodmans
2025RS
Int bright raster with fb lines after warm up
C910 4µ7 in 200v supply
14-09-04
Goodmans
2025RS
No pic, sound ok, if A1 volts adj pic appears but missing next time sw on
I501 TDA8374A (no RGB I/p to CRT base - o/p at 1v instead of 4.5v)
14-09-04
Goodmans
2025RS
No pic, sound ok, if A1 volts adj pic appears but missing next time sw on
I501 TDA8374A (no RGB I/p to CRT base - o/p at 1v instead of 4.5v)
14-09-04
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