Monday, March 7, 2011

MITSUBISHI TV Repair Tips

MITSUBISHI TV
Size Model Chassis Symptom Problem Description Fix
13CS-1348RVideoDark or No VideoC213 (10uF/50V) located at pin 36 of IC201. C204 (1uF/50V) at pin 35 of IC201
13CS-1348RVideono video or dark videoVR201 (50kohm, #127C081010)
13CS-1348RVideoNo VideoC106
13CS-1348RVideono video, has sound and rasterC106, C204, C213, C517 and VR201
21CS-20SX1PowerShutdownC519 (100uF/50V), C517 (1uF/50V), C520 (1uF/50V)
21CS-20SX1Videoonly a thin horizontal line on the screenResolder Vertical IC
26CS-2656R Video Snowy Picture replace R773(2.7k)
26CS-2656R Video Intermittent video Remove glue around C772
27CS-26301XM1AudioSound whinesC721, C722 (both 10uF/50V)
27CS-2656R VideoNo video or raster, audio OKC773 (470uF/50V)
27CS-2656R Videovideo is intermittentC772
27CS-2656R Tunerdoesn?t always tune in channelsR773 (2.7kohm/.5W) remove glue from top of board
27CS-2656R Tunertuner is intermittentC110 (.47uF/35V)
27CS-27405JU-2Videono luminenceDL202 (#337P096070, on A/V board)
27CS-27405JU-2Videono luminenceDL201 (#337P142050)
27CS-27405JU-2Videono luminenceC206 (33uF/16V), IC210, C207 (47uF/16V), C211 (47uF/16V)
27CS2656RVideoNo Videoremove all glue on foil side of PCB between IC771 and IC2A0
27CS2656RVideono videoremove glue from under IC2A0
27CS2656RVideovideo streakingQ203 (#260P25601)
32CK-31302AudioSound has high pitched whine in backgroundC721=C722 (10uF/50v, by the audio amp IC)

Size Model Chassis Symptom Problem Description Fix
36CS-3521R Videovertical overscanChange C4E3 (1uF/35V) to (1uF/35V) Tantalum cap.
36CS-3521R VideoVertical Retrace at top of screenC928 (1000uF/50V)
36CS-3521R Videovertical short at top with foldoverQ4A1 (2SC2236), C928 (1000uF/50V)
36CS-3521R VideoVertical Retrace at top of screenC928 (1000uF/50V)
36CS-3521R Videovertical retrace lines, picture shrinks and color looks badresolder IC901, and remove glue
40CS40503 Videopic pulled in on sides, wavy with tearingC565 (47uF/200V)
40CS40503 VideoVertical RollingC2A09 (10uF/50V NP)
45VS-4507RV11BPowerIntermittent shutdownD513 (#264P244030)
45VS-4507R V11BPower12V and 16V supplies too high C920 (10uF/100V), Resolder T902
45VS-4544 Powershuts down at power onL902 (#3351P070010), D913 (#264P722010), Z901 (#283P039020),
45VS-45605VZ7VideoHorizontal pulling and tearing, some rolling picC2C52 (10uF/50V), C2P05 (100uF/16V)
45VS-45605VZ7VideoVideo piecrusting or streaksC933 near IC451
45VS-45605VZ7VideoVideo unstable when set is coldC2P07 (47uF/35V) near IC2P03
45VS-45605VZ7Videopicture rolling, may have horizontal tearing or pullingC2C52, C2P05 (both on signal board)
48WSA48V20BVideointermittent or no color on all inputs except component, PiP has colorC2L04 (.47uF/10V, on input board), or replace terminal board (#930B887001)
50TS-5053VZ2VideoNo video or OSDR509, R519 (100ohm), L542, IC9A2
50TS-5053VZ2PowerIntermittent shutdown, and no videoQ570 (#260P560040)
50VS-5021RV11Vertical Vertical RollsC2A04 (10uF/50V), or C2046 (47uF/50V), or C2B14 (10uF/50V NP)
50VS-5043VZ3Powershort detect shutdownL902 (#351P070010)
50VS-5043VZ3ConvergenceConvergence distortionCheck for 20 VPP Vert pulse to pin 9 of the GL connector to the convergence PCB, if missing, weak or distorted, check pulse at source pin 7 of IC401 on the signal PCB, if the pulse is not correct at pin 7 check C402 (100uF,50V) and IC401 (270P064020)

Size Model Chassis Symptom Problem Description Fix
50VS-5055VZ2Videobad convergenceD8F00, D8F01(#264P045040)
50VS-50605 Videolines rolling up in pictureC2P08 (100uF/16V)
50VS-50605 VideoHorizontal pulling and tearing, some rolling picC2C52 (10uF/50V), C2P05 (100uF/16V)
50VS-50707VZ8VideoVertical not full height, pic dark and bouncingC2P05
50VS-50VA2 VZ1VideoNo video, main or PiP C7014 (47uF/16V) on PiP, R7002 on PiP (150ohm/0.1W)
50VS-50VA2 VZ1Videono video or OSDR5D9 (100ohm, off flyback pin 1)
50VS-50VA2 VZ1Videono video or OSDR510 (1.2ohm, .5W), IC401 (#272P239050)
50VS-50VA2 VZ1Videono videoC7001 (4.7uF/35V)
55WS-55613V23+VideoNo video or intermittent, also out of syncIC8C25 (9V regulator)
55WS-55613V23+VideoVideo goes off after 30-60 minutesIC9C25 (#270P677030)
60VS-6017RV11VideoVertical collapse, HV OKPin 3 of AJ connector on video Board needs resoldered.
60VS-6047VZ3Videoconvergence and raster distortionC936 (1000uF/16V), C935(100uF/16V)
60VS-6051VZ2VideoGreen retrace lineson green CRT board: R60H4=R60H7 (1Mohm/.5W), R60G1 (2.2kohm)
60VS-6051VZ2VideoExcessive brightness and shutdownR9A45 (180ohm/.5watt, #103P391060) Located on main board next to D9A07
60VS-6051VZ2Videopincushion problem at top and bottom, sometimes intermittentresolder IC4B01
60VS-6051VZ2Power Shuts down, intermittent Replace Q570 (260P560040) on main board
60VS-60607VZ8VideoPicture too dark and unstableC2P05 (100uF/16V) off pin 3 of IC2P01, and IC2P01 (9V regulator, #270P466020)
60VS-60607VZ8VideoVideo has lines rolling through the pictureC2P08 (100uF/16V)
60VS-60607 VZ8 Power Shuts down upon power up, blinks 22 Coolant on circuit board, replace D977 (264P578010)
60VS-60607 VZ8 Power Turns on, shuts off Replace D971 (264P7940101) R912 & 913 (Both 0.37Ohm)

Source : http://www.riddledtv.com/repair/mitsubishi.html

posted by Admin1 @ 4:56 PM   0 Comments

0 Comments:

Post a Comment

Subscribe to Post Comments [Atom]

<< Home