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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: 25
Osaki
142
Trips at sw on
STR50103
14-09-04
Osaki
3214S
Dead - pri HT only
STR50103, D508 R2M avalanche diode & bad joints at D124, C170 & R121
14-09-04
Osaki
3214S
Tuning - won't stop when searching
Q133 2SC945
14-09-04
Osaki
3214S
WON'T HOLD STATIONS ON SEARCH
Q133
14-09-04
Osaki
CI5013T
Hum bar & lines
Mains smoothing cap 100µ 400v o/c
14-09-04
Osaki
CI5013T
St/by only
R826 1R 1/2w safety res o/c; LOPTr s/c; C852 470µ 16v low cap
14-09-04
Osaki
P10R
FIELD COLLAPSE
CHECK C428 ( 0.022uF )
14-09-04
Osaki
P10R
FIELD COLLAPSE AND NO SOUND
ZD302 SC ( 12v 1.3W ) R730 , 731 ( 51R 2W ) OC
14-09-04
Osaki
P10R
Field collapse, no sound after replacing C909/911 R419 & 12v Zener
ZD302 12v 1.3w zener & R730/731 51R 2w
14-09-04
Osaki
P140
No tuning or on screen tuning display
Micro corrupted - reset by select chan 38, press STORE & CONTROL UP
14-09-04
Osaki
P140 GR1AX
Sound but no pic
No A1 volts - LOPTx
14-09-04
Osaki
P141
Sound poor & dist
T101 sound coil o/c
14-09-04
Osaki
P142
Line collapse
Dry joint L407
14-09-04
Osaki
P142 CX4
NO PICTURE OR SOUND
Q101 BE SC
14-09-04
Osaki
P1420R
Blank raster, no sound
IC201 TA7698AP u/s
14-09-04
Osaki
P146R
Dark picture - may have flyback lines.
R92.
14-09-04
Osaki
P146R
Lines across screen (like fb lines)
C310 4µ7 160v o/c
14-09-04
Osaki
P148T
Dead - makes singing noise with low HT
HT smoother C828 47µ 160v o/c
14-09-04
Osaki
P21H
No pic - sound ok
EM115 line dr trfmr dry joints
14-09-04
Osaki
P31H
Dead - 120v HT low at 70v
R109 180R hi res
14-09-04
Osaki
P31H
DEAD HT LOW AT 70v
R109 HIGH 180R ON PIN 2 STR5412
14-09-04
Osaki
P60G
Blue hue - poor grey scale.
IC TDA3562A must be a Telefunken type.
14-09-04
Osaki
P60G
No picture.
IC ( TDA3562A ) must be a Telefunken type.
14-09-04
Osaki
P60G
Slow startup.
IC TDA3562A must be a Telefunken type.
14-09-04
Osaki
P60G
When replacing TDA3562A
Use Telefunken chip to avoid delay in pic appearing
14-09-04
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