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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: 15
Amstrad
CTV3128N
Dead
pri of the chopper transformer s/c all round (Cpc pt no AM602470003390) When replaced, fast tripping,R112 (5R2, 1/8W) o/c off pin 6 of transformer
14-09-04
Amstrad
CTV3128N
Dead
R103 47k
14-09-04
Amstrad
CTV3128N
Dead - no st/by LED
R103 47k in psu pri
14-09-04
Amstrad
CTV3128N
Dead - smoking
C596 0.01mfd 1600v
14-09-04
Amstrad
CTV3128N
E/W faulty
L679 10mH leaky - showed signs of distress (after C620 0µ47 250v scan coupling cap replaced for o/c)
14-09-04
Amstrad
CTV3128N
Field collapse, narrow & no sound
No 8v to pin 10 IC1101 TDA8361A IF/col/tbase chip. L300 1µ3 coil o/c
14-09-04
Amstrad
CTV3128N
Tripping quietly - s/c across LOP
C599 2n2 2kv disc ceramic s/c
14-09-04
Amstrad
CTV3128N
Width excessive & no E/W
Q579 BD237 on E/W board
14-09-04
Amstrad
CTV3128N
Width reduced & E-W faulty with little adj
C592 (680nf 250vw) S-correction cap O/C E-W chip (TDA8145) had become very hot & replaced also
14-09-04
Amstrad
CTV3128N
F CTV3228NF
Field collapse
C578 470pF leaky (behind FOP chip)
14-09-04
Amstrad
CTV3128N
F CTV3228NF
Field collapse with narrow display & no sound
The +8v supply pin 10 ICI101 missing but present on pin 36 - L300 10µH o/c
14-09-04
Fidelity
CTV3128N
Dead - no line drive
replace Q580 (C1573A) and R609 1K 4W
14-09-04
Fidelity
CTV3128N
F
Dead
R609 (Change to 2k 5w), C620, Q580 & Q602
14-09-04
Fidelity
CTV3128N
F
Field collapse
Check R614 fusible - if OK check R340 3M3 for o/c connected to pin 43 IC101 vid proc chip (under screening can)
14-09-04
Fidelity
CTV3128N
F
Mains fuse blown for no apparent reason
Check positor is Philips type 96209 not black one
14-09-04
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