Panasonic TV Repair: Common Faults and Solutions.


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Panasonic Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
PANASONICALPHA 2
Red content smeary & critical to setPeaking coil in red o/p cct hi res
PANASONICALPHA 2
Q552 ( 2sd1441 ) s/cCheck for d/j on line drive tx t531
PANASONICALPHA 2
Poor text performanceC3507 100pf pin 9 ic3501
PANASONICALPHA 2
Poor ewL752 sc
PANASONICALPHA 2
Poor contrastR562 ( 130k ) open
PANASONICALPHA 2
Picture looks off tuneIc101 demodulator coil shorted turns
PANASONICALPHA 2
Picture goes redUsually d/j on crt base but check c353 220pf leaky
PANASONICALPHA 2
Picture bowed in from sides.Small yellow c754 ( 180pf ) connected to base of q751.
PANASONICALPHA 2
Pic int disappears or almost disappears to leave black screenC626 10nf 50v ceramic cap pin 19 tda3505
PANASONICALPHA 2
Osd & bar graphs unlocked text erraticC3511 ( 220nf ) pin 24 ic3501 or c3517 ( 0.01uf )
PANASONICALPHA 2
No text ok in mix no bar graphsC3526 ( 10nf ) decouples tda3505
PANASONICALPHA 2
No textC3517 10nf pin 15 ic3501
PANASONICALPHA 2
No syncC3550 1µ non pol cap on txt pcb
PANASONICALPHA 2
No sound/vis - chan no. displayedStr54041-m u/s - fit proper type with suffix or won't work
PANASONICALPHA 2
No sound/pic - chan no. lit & squealsQ551 2sd1441rl leaky or s/c; fusible link r567 tsf19102 o/c - caused by dry joints line dr tfmr t531
PANASONICALPHA 2
No sound or control when heatedIc1202 memory chip pcd8582p
PANASONICALPHA 2
No sound for first 10 minsC1206 1000µ 16v in st/by 5v cct
PANASONICALPHA 2
No sound for 10mins then okC1206 ( 1 , 000uf ) 5v reservoir cap
PANASONICALPHA 2
No soundC269 10nf 50v
PANASONICALPHA 2
No soundC629 ( 0.01uf ) open