Friday, March 4, 2011

PANASONIC TV problem and Repair Tips

PANASONIC




Size Model Chassis Symptom Problem Description Fix
13CT13R10RDeadDeadD554, R810 (5.6ohm/5W), Q551 (HOT), IC801 (STR30130)
13CT13R14UVideointermittent pic shift to right and color goes offIC101, C577
13CT13R14UVideohorizontal sync problemC503, C504, C505
19CTM1953RDeadDeadR805 (10Kohm, 0.5W), R810 (5.6ohm, 3W), HOT (D1439), STR30130
24AEDP246VideoNo VideoIC451 (LA7836), R810 (1ohm/.5W), D812
25CTM-2571SAEDP178VideoLines, no raster or soundRegulator IC STR3230, R805 (10kohm/.5W), also check R810
25CTM-2580SAMEDP178Videono raster, no sound, linesRegulator IC (STR3230), R805 (10kohm/.5W), R810
27CT-27G23W Vertical Horizontal Line accross Middle of Screen Resoldered Vertical IC and nearby capacitors and Surface mount Resistors
27CT27D10B Dead Completely Dead D823 (R130A) in power supply (near T801 pin 12)
27CT27D10B DeadDeadIC803 (STR58041), D825, (#TVSSR2KLV1)
27CT27D10B DeadDeadResolder T551
27CT27D10B DeadDead, no relay clickIC803 (STR58041A), Q551 (2SD2539), R581 (1.5ohm/7W)
27CT27G20TVideoNo pictureIC451 (LA7836), R810 (1ohm/.5W)
27CT27S18SVerticalNo vertical, black screenIC451 (LA7836), R810 (1ohm,half watt), D812 (ECG552), C451 (220uF,16V), and C455
27CT27S2SVideoNo Vertical DeflectionIC451 (LA7836), R810 (1ohm/0.5W)
27CT27SC14Powerfirst there were lines in picture, then unit shut down, then deadResolder R411 (surface mount)
27CT27SL13GDeadDead, HOT shortedHOT (2SD2539 instead of 2SC5902)
27CTM2770SDeadDeadQ551 (HOT, 2SD2057), IC801 (Reg, STR3230), R810 (4.7ohm/5W), R805 (10kohm/0.5W)
32CT31S18CSVideono verticalIC451 (LA7836), R810 (1ohm/0.5W), D812 (NTE552),C451 (220uF/16V), and C455 (100uF)
32CT31S18SVideono vertical, HV okIC451 (LA7836), R810 (1ohm/.5W), D812 (NTE 552), C451 (220uF/16V), C455 (100uF)

Size Model Chassis Symptom Problem Description Fix
32CT32G11U VideoHV ok, but has no pictureC460
32CT32G11U VideoNo OSDIC101
32CT32G11U  Video Horizontal Output fails repeatedly Install Kit #TXANV0498SER
32CT32G11U NA5 VideoDark Picture, and low screen voltageC355
32CT32G11UNA5 Vertical Vertical Deflection ProblemC458
32CT32G11UNA5 Vertical Vertical Collapses intermittentlyIC101
32CT32G31UNA5 VideoPicture is shrunkenD556
32CT32G6E  Video Width and/or pincushion problem R760 (5k), R761 (10k) on standup bd next to flyback
32CT32G6E  Videowidth not rightR760 (5kohm, #EVND8AA03B53)
32CT32HX42F DeadDead, relay clicks, fuses okC501 (100uF/35V), Q551 (2SC5612, #2SC5612LB228)
32CT32SL13G DeadNo other problems, just open fuseUse Slow-blow fuse 6.3A. Normal fuse will just open again.
36CT36HL53G Videohorizontal width pulled in with foldover on rightC521 (.22uF/200V)
36CT36HX41E  Video Picture shifted to right 4 inches replace Q755 and C521
36CT36SL13 VideoDark picture after power outagemenu settings corrupted. Hold action and power buttons for factory reset
36CT36SX31 Videopic shifted to right with a bow on left side with black barBd TNP2AH026S
36CT36SX31 Videopic shrinks and loses color as set warms upC832 (220uF/16V)
40PT40LC12 LampResetting the lamp Timer after lamp replacementTurn the TV on. Press and hold the volume down button on the front panel. Press the remote control?s PIP/VTR button in at the same time. After 10 seconds, it will reset
42TH42PZ77UPlasmaDeadDead, 7 blink codeReplace SC board or check transistors Q641 through Q654
43PT43LC64 Service Modecan't exit service modepress RECALL twice. Press and hold volume down on the TV and the recall button on the remote for 5 seconds
45PT45LC12LCDPowerShuts down, ballast smellsreplace lamp and ballast

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