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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: 13
Ferguson
RP46 r
ea
r proj
No convergence
RP09 100k or RP18 220k o/c in conv psu near blue tube
14-09-04
Finlux
1000 (
ea
rly)
Int col with TDA3652A chip
ref osc trimmer Ct12 6-30pf noisy. To set up link pins 24/25 & 1/5 of ic & adj Ct12 for stationary col
14-09-04
Finlux
1000
ea
rly
No pic - crt htrs alight
Cb 2µ2 35v o/c (near col dec chip)
14-09-04
Finlux
1000 srs
EA
RLY
INT COLOUR , SEEMS LIKE DRY JOINTS
Ct12 REF OSC TRIMMER NOISY . LINK PINS 25 , 26 AND 1 , 5 TO SETUP
14-09-04
Goodmans
1432
ea
rly
Poor interlace effect when VCR played
C117 2µ2 50v in IF can
14-09-04
ITT
Id
ea
l color 3332GR
Won't start, going to stby.
Change polyester cap C709 connected between B-E of horizontal output Tr. Shorts hor. drive to ground
14-09-04
Philips
L7.2
EA
A
Dead aft initial front LED lit bright
R3451 o/c due to Field chip IC7401 u/s & check D6468
14-09-04
Philips
L7.2
EA
A
Field cct upgrade
Add 51v zener between pins 4 & 5 IC7401 (cath pin 5)
14-09-04
Philips
MD1.2
EA
A 29PT6773/05
Won't go into st/by
R3588 3R3 ?w o/c in st/by prot cct on large sigs panel - also replace C2561 with 3,300µ 16v
14-09-04
Philips
MG1.1
EA
A 32PW6615/025
Int start up with LED flashing
relay 1002 in psu pt no 2422 1320 7405
14-09-04
Philips
MG3.1
EA
A 28PW9525/05
Sound dist/fuzzy
Hi imp center speaker
14-09-04
Philips
SA10
EA
A 28PW6816/05
Int changes chan on its own inc AV & also int off
Main micro on sub panel with sm comps on it - known as "Painter chip" faulty - costs around 50UKP & needs hot air soldering equip to change - not for the faint hearted!
14-09-04
Philips
W66ESF02X14 A8.0
EA
A
Dead with red LED flashing & smell of burning
C2633 1500pF 2kv by side of LOPTx burnt
14-09-04
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