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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: 22
B & O
370
7
Int trip at sw on
C26 22µ o/c
14-09-04
Grundig
TVR
370
0
No pic - sound ok
No line timebase - fusible R3584 o/c
14-09-04
Mitsubishi
CT
370
1TX
Dead
HT rect D916 s/c BY399 a good substitute
14-09-04
Mitsubishi
CT
370
1TX
Dead & tripping
Dry joint on 47µ 200v cap in HT rail
14-09-04
Mitsubishi
CT
370
3STX
Dead - LOPTr s/c
LOPTr 2SD1879 replaced & C908 10µ 100v, C909 47µ 50v
14-09-04
Mitsubishi
CT
370
3STX
E/W & width
CHECK R5005 / R5006 FOR DRY JOINTS
14-09-04
Mitsubishi
CT
370
3STX
No pic - ok thro' scart
Check for dry joints in IF can
14-09-04
Sharp
C
370
2H
Weak drive either RGB
Check D807 D808 D809 & TDA3566
14-09-04
Sharp
C
370
3H
Dead fuse intact no output PSU
STR40090 u/s
14-09-04
Sharp
C
370
3H
dist sound & int on chan change - no vol control
T301 sound discrim coil faulty - set up with can fitted
14-09-04
Sharp
C
370
3H 7PS
Dead - no o/p from psu
STR40090 psu chopper chip
14-09-04
Sharp
C
370
5HD
No pic - interrference only - sound ok
Like white tadpoles - IF module RUNTK0065CEN1
14-09-04
Sharp
C
370
5HD
No signals or tuning volts at tuner
Crack in print between R1016 & R209 on edge of pcb
14-09-04
Sharp
C
370
5HD
St/by only
Mains relay terminal dry joints - take out of st/by with r/c
14-09-04
Sharp
CV
370
7HD 5PSR1
St/by only - psu o/ps correct
No line drive to Q601 as Q605 sw off by micro. By operating switch SI011 set works without man or R/C. Micro IX0714CE faulty
14-09-04
Sharp
CV
370
7HD 5PSR1
STUCK IN STBY NO LINE DRIVE DUE TO Q605 BEING TOL
PRESS SWITCH S1011 IF SET STARTS LOPT STAGE OK .
14-09-04
Sharp
DV
370
5H
NO OPERATION
NVM CORUPT , REPLACE D710 WITH NEW TYPE DIODE , D710 - 1N4937 Sharp- RHDX0507BMZZ , CAPACITOR 10nF 50v - VCKZPA1HF103Z
14-09-04
Sharp
VT
370
0
No sound/pic - tape stuck in
R761 1R fusible o/c, Zener D757 15v s/c, L752 o/c & check ck caps in psu
14-09-04
Sharp
VT
370
0H
Off tune on timer recs
VT supply to tuner rises when tV in st/by - IC005 33v stab RH-IZ0249CEZZJ
14-09-04
Sharp
VT
370
0H
St/by only
L752 burnt up - replace all smis in the line concerned
14-09-04
Sharp
VT
370
0H
Won't tune.
IC1005 , R760 IC1005 Sharp RH-IX0249CEZZ R760 220ohm , Sharp VRG-RF2EB221J
14-09-04
Telefunken
MP
370
B
White raster with fb lines
RP55 47R in front of LOPTx
14-09-04
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