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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
CTV20XRT
Contrast weak
TDA3562A pin 6 volts low at 1.3v & doesn't vary - R414 33k o/c
14-09-04
Goodmans
CTV20XRT
Dead
CHECK 2R2 SURGE LIMITER R313
14-09-04
Goodmans
CTV20XRT
Dead
R313 2R2 surge lim o/c
14-09-04
Goodmans
CTV2R
Field foldover
C216 47µ 63v
14-09-04
Goodmans
CTV2R
int trips
IC102 STR5412
14-09-04
Goodmans
CTV2R
No tuning or sigs or 5v supply
EM104 o/c winding
14-09-04
Goodmans
CTV2T
Ringing on verts
Check C483 & R448 1k2 for o/c
14-09-04
Goodmans
CTV2T
Servere ringing at top of screen decreases as scan
Check damping components C483 & R448
14-09-04
Goodmans
F11
Blank raster Intermittently
D44 leaky BA157 replace with 1N4007
14-09-04
Goodmans
F11
Dark pic - no B & weak G
R26-29 on crt base 68k 1/2w hi res
14-09-04
Goodmans
F11
dead
dry joints link 13 on main pcb
14-09-04
Goodmans
F11
Dead - burn up by C134 12nf
Tr20 lop tr s/c S2055AF and repair print
14-09-04
Goodmans
F11
Dead - fuse blown
Tr15 S2000AF s/c in psu, Tr20 S2055AF leaky in LOP, C134 tuning cap dry joints - made up of 2 components in parallel - 1 on print side
14-09-04
Goodmans
F11
Dead - fuse, rects & IC14 blown
C102 100µ 25v in PSU - also replace IC14, D31-34, TR15 & C103
14-09-04
Goodmans
F11
Dead with faint ticking from psu
R164 100R 5w o/c in psu
14-09-04
Goodmans
F11
Dead with LOPTr s/c at sw on
C134 10n or 12n 1.5kv
14-09-04
Goodmans
F11
INT BRIGHTNESS VARYING
CHECK A1 SUPPLY , POSS LOPT
14-09-04
Goodmans
F11
INT BRIGHTNESS VARYING
CHECK A1 SUPPLY , POSS LOPT
14-09-04
Goodmans
F11
Int click on sound with line on pic
C132 2200µ dry joint in FOP stage
14-09-04
Goodmans
F11
Int cuts out
Dry joints, SMPS Tx pin 1
14-09-04
Goodmans
F11
Int dead with whine
Check/change IC14 TDA4601; C102 100µ; C103 100µ
14-09-04
Goodmans
F11
INT START UP
CHANGE R19 FROM 1k2 TO 4k7 ( LOCATION IC1 PIN 33 ACROSS D9 )
14-09-04
Goodmans
F11
Int start up at sw on
Micro time constant too fast - change R19 pin 33 IC1 from 1k2 to 4k7
14-09-04
Goodmans
F11
Line tearing with dots at sw on - clears when heated
C123 1000µ 16v in psu
14-09-04
Goodmans
F11
LOOKS LIKE ONE COLOUR OVERDRIVEN
CHECK R26 / 28 / 29 ON CRT BASE. 68K 0.5W. NORMAL VOLTS AT RGB PINS OF TDA8361A / TDA 8362A IS ABOUT 2.5v
14-09-04
Goodmans
F11
PSU trips at sw on from cold
C102 100µ 25v in PSU
14-09-04
Goodmans
F11
REPLACING NICAM BOARD CONTAINING SAA7280 WITH SAA
Remove link J103 & fir 22R 12V supply to Nicam & fit ( 100uF ) 16V cap across CRT base plug "+" to pin 1 "-" to pin 6
14-09-04
Goodmans
F11
Rope effect 3" from LHS
Replace line drive TR
14-09-04
Goodmans
F11
st/by only
R170 safety res o/c - IC8 TDA1521 aud o/p s/c
14-09-04
Goodmans
F11 2875
Dead stuck in st/by
R170 O/C safety resistor from secondary off chopper transformer due to IC8 TDA1521 audio output S/C.
14-09-04
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