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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: 9
Mitsubishi
CT
2532
TX
Dead - line transistor checks Ok out of cct.
LOPTX s/c bt pins 2 & chassis.
14-09-04
Sony
AE-2A KVA
2532
U
int loss of sound
Q209 2SC2412K (mute transistor)
14-09-04
Sony
AE1B KVX
2532
U
Audio LH chan int goes to max with crackle
TDA6200 on Audio J panel sus. As this chip is expensive, commoned both o/p to good chan
14-09-04
Sony
AE1B KVX
2532
U
Int Txt & Lum (when ae plug wiggled)
Dry joints IC pins on Txt board
14-09-04
Sony
AE1C KVX
2532
U
Squegging line freq or dead if left on too long
Q804 LOPTr s/c due to dist line wfrm - R822 1k in Q805 coll feed o/c
14-09-04
Sony
AE2 KVE
2532
U
Poor sync, mosaic & odd cols
Dig comb filter
14-09-04
Sony
AE2A KVA
2532
Set up proc
Press & hold any 2 buttons on set whilst sw on.TT appears on top R/H of pic. Press MENU on handset & select DEMO mode, press OK button - list of IC'S in set appears, e.g., to adj height, lin etc select CXD2018 & press "OK" button. Various adjusts appear on L/H side with present setting listed on R/H side ( a no. eg 0-100).Change settings using +/- or up/down keys on handset. Press OK to memorise.
14-09-04
Sony
KVE
2532
Settings (excess contrast/field cramp) off aft thunderstorm
Reset electronic screwdriver
14-09-04
Sony
KVX
2532
U
Nicam dropout
Adj orange variable cap on Nicam board
14-09-04
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