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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: 24
Orion
14A
RX
dead
IC101 µchip 5v supply low. C530 3µ3 250v on i/p to 5v reg IC105 u/s
14-09-04
Orion
14A
RX
Dead 330K start up res ok STR50103 ok R532 hot
Check IC105 ( 5V reg ) & C530 ( 3.3uF ) 250V o/c
14-09-04
Orion
14A
RX
Dead - R532 2k2 wirewound overheats
C530 3µ3 250v s/c
14-09-04
Orion
14A
RX
Field rolling
IC401 TA8808N
14-09-04
Orion
14A
RX
No st/by
C530 3µ3 250v by mains switch
14-09-04
Orion
14A
RX
St/by only
No 103v HT tho' it did appear initially at sw on. IC401 no volts pin 40 as D403 9v1 zener s/c
14-09-04
Orion
14A
RX
St/by only
Dis Q117 & if still doesn't come on sus STR50103 or series connected 330k resistors
14-09-04
Orion
14A
RX
Stuck in StBy H.T. comes up then dies away
Check pin 40 IC401 for 9.1V if missing R458 & D403
14-09-04
Orion
14A
RX
This set was stuck in standby. For the rnicrocontr
C530 was open-circuit..
14-09-04
Orion
14A
RX
G
Dead , channel display dies.
O.C. LINE DRIVE TX
14-09-04
Sony
RX
Blank raster.
IC551 ( TDA2578A )
14-09-04
Sony
RX
Dark line 3" in from RHS of picture.
Check R825 , C802 , C804 , C803.
14-09-04
Sony
RX
Dead.
R651 ( 1.2R ) o/c & burning up change IC551.
14-09-04
Sony
RX
Field output IC replaced with version TDA3654
change R518 from ( 1K5 ) to ( 6K8 ) on D board
14-09-04
Sony
RX
Frame collapse.
IC552 ( TDA3652 ) add mica washer behind IC & use silicon grease.
14-09-04
Sony
RX
Int loss of picture on channel change.
Q710 , 11 or 12 ( lift D701 , 2 or 3 in turn to determine defective 1.
14-09-04
Sony
RX
NO RASTER-BLANK SCREEN FIELD COLLAPSE
CHECK D804 ( 1R2 )
14-09-04
Sony
RX
No red.
Q703 s/c.
14-09-04
Sony
RX
No remote control operation.
C655 o/c.
14-09-04
Sony
RX
No remote or teletext.
C655 ( 220u f ) on PSU.
14-09-04
Sony
RX
Picture flickers a few mins after switch on.
Q656.
14-09-04
Sony
RX
Severe EW distortion & vertical overscan.
Drys on L802.
14-09-04
Sony
RX
Vertical line moving down screen.
C655 ( 220u f ) on PSU.
14-09-04
Sony
RX
Will not stop during search tuning.
R237 ( 1M )
14-09-04
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