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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
Goodmans
1430R
NO BAR DURING TUNING OR ADJUSTMENTS BUT FUNCTION WORKS
REPLACE IC602
14-09-04
Goodmans
1430R
No col & lack of height
R302 6k8 hi res
14-09-04
Goodmans
1430R
etc
Low gain when tuner replaced
Fit 27R res between pin 8 & 9 of IC pins adj to tuner
14-09-04
Goodmans
1430R
Onwa
St/by only
IC301 pin 21 TA8718N 9v supply missing - R302 6k8 5w o/c
14-09-04
Goodmans
1430R
/RA
Rolling/weak sync
Pin2 IC301 TA8718N should be 11v if only 9v check C328 0µ01 by sustitution
14-09-04
Goodmans
1430R
A
No pic, relay clicks & LED lights
ZD301 9v1 zener s/c
14-09-04
Goodmans
1430R
A
No start up
R302 6.8k start-up O/C caused by short in TA8718N IC. Please note this Onwa variation Uses TA8718N in IC position IC 302 not the usual AN 5601K.
14-09-04
GOODMANS
1430R
A
POWER COMES ON BUT NO PICTURE
CHECK ZD301 FOR S/C DIODBZX55B9V1 (9.1V)
14-09-04
Goodmans
1430R
A
Waving bands of interference & venetian blind effect
C311 10µ 16v o/c near IC301 TA8718
14-09-04
Goodmans
1430R
A (Onwa)
No col, lack of height/bottom cramp HT 112v as per manual
R302 6k8 in 8v startup supply hi res
14-09-04
Goodmans
1430R
A (Onwa)
No sound no cursor on the baragraph
Don't replace the eprom! Disconnect pin 4 IC601, turn on and turn up the volume using the remote. When cursor and sound appear, resolder without turning off then hit standby on the remote to save!!
14-09-04
Goodmans
1430R
W
DEAD RELAY CLICKING
C915 LEAKY
14-09-04
Goodmans
1430R
W
Relay clicks at sw on but no +B volts
C915 ceramic cap leaky
14-09-04
Goodmans
1430R
WA
Dead - trips if on/off sw held in
C909/911 & lop tr 2SD2499 s/c (2SD1556 in lieu)
14-09-04
JVC
1430R
Hum bar
Smoothing cap 100µ 400v
14-09-04
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