MITSUBISHI TV Repair: Common Faults and Solutions.


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Search: MITSUBISHI
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MITSUBISHI Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
MITSUBISHIAV1 SRS WITH SAT
Blank raster osd ok.Z953 1.6a oc due to lnb shorted - uprate to 3.15a pt no 299p193030
MITSUBISHIAV1 SRS - 2
Poor picture .Change r521 from 82k to 56k and fit zener diode kit , pt no 264p45090
MITSUBISHIAV1 SRS
Tuning drift . fit previous model if not done alreadyChange r120 , 121 ( 56k ) to 18k , remove r736 ( 22k ) and fit an 8k2 & 15k 1/6w r-metal in series . make sure aft is on .
MITSUBISHIAV1 SRS
Rgb output sc ( ic660 tea5101b )Check for 12v on wire link to pin 2. if missing or low picture will be awful and a1 will not set coectly. q6e8 leaky. repla
MITSUBISHIAV1 SRS
Rf patterning ( similar to videocrypt )Fit rf lead pt no h24p001010
MITSUBISHIAV1 M5 SRS
Memory keeps getting corrupted .Change r213 , r214 and ( m5 - r746 ) , ( av1 - r702 ) from 220r to 1k . on m5's only ( and if not already done ) add a 5v6 ze
MITSUBISHIAV SRS
Fuse z951 failsUprated from 2a to 3.15a pt no 299p193030
MITSUBISHIA SRS B SRS
Random dot pattern no osd poor grey scaleQ710 pt no 260p784050
MITSUBISHIA SRS B SRS
Loss of eeprom data no text no nicam no raster corFit kit pt no ic702-kit
MITSUBISHIA SRS B SRS
Line op tr scChange c906 47uf 50v also change r961 ( varies with model ) ic950
MITSUBISHIA SRS B SRS
Hum bar on chroma int loss signals blank raster noTuner us pt no 295p397030 ( 33b3stx 295p397040 )
MITSUBISHIA SRS B SRS
Grey scale incoectChange d655 656 657 pt no 264p374020
MITSUBISHI25AV1BDS
Dead/tripping led flashingReplace c702 1000µ 6.3v with 10µ & c955 2200µ 16v with 3300µ & do a reset (sw on whilst holding reset button in (near tuner)) & set up eeprom options
MITSUBISHI21AV1BD
No pic (blue screen) or soundRefitting a loose plug and soldering dj's on the dolby panel & replacing the onboard output ic tda7263 and it's safety resistor gave a good picture with a loud hiss instead of sound. go into service mode & reset eprom data to get sound back.
MITSUBISHI14FS
Herringbone patternRipple on 16v line - c955 2200µ 25v faulty
MITSUBISHI14FS
Brightness variesC593 22µ 350v first anode supply faulty
MITSUBISHI11AK19
Dim band of light 3/4 up screen - sound okD408 8v2 zener leaky
MITSUBISHI EURO 10 CT2525TX
Field collapseNo 12v to pin 3 of frame ic due to o/c corroded print from leaky cap.
MITSUBISHI2525
DeadR909 330r d909 rd3.0fb2 (3 volt zener) (264p481060
MITSUBISHITC 2041S
Sometimes it doesn't turn onR916 (150k)