Repair tips database, Service Manual free download,schematics,datasheets,eeprom bins,pcb,repair info for test equipment and electronics

Repair tips

Make	Model	Problem	Solution	Date

Found: 11
Mitsubishi	28BW2B	White horizontal line plus no pic	Replace IC401 (TDA8171) and R516 (0R82).	03-01-06
Mitsubishi	CT28BW2B	BRIGHT RASTER WITH FLYBACK LINES SET ARCING	REPLACE C551 AND R686 (CRT BASE)	14-09-04

Mitsubishi	CT28BW2B	MUFFLED SOUND FROM MAIN SPEAKERS DOLBY TEST PRODUCES NO SOUND FROM FRONT SPEAKERS	REPLACE IC351	14-09-04
Mitsubishi	CT28BW2B	Muffled sound from main spkrs - no prologic sound o/p	IC351 audio o/p chip TDA7263	14-09-04
Mitsubishi	CT28BW2B	Poor pics with streaking on whites	R686 1k8 hi res in G1 supply	14-09-04
Mitsubishi	CT28BW2B	Small Bright raster with fb lines - arcing from set	C551 3nF arcing - blew R686 - uprate to 2k7 on CRT base	14-09-04
Mitsubishi	CT28BW2B	Smearing on whites - OSD gives faulty crt symptom	R686 1k8 pin 5 crt base - change to 2k7 & set G2 to 00 in set up menu	14-09-04
MITSUBISHI	CT28BW2B	SMEARING ON WHITES LOOKS LIKE SOFT CRT	REPLACE R686 ON CRT BASE 1.8K OHM	14-09-04
Mitsubishi	CT28BW2BD	Lum int	Dry joint 8v reg Q952 (On same heatsink as IC401 7 pin LT reg)	14-09-04
Mitsubishi	CT28BW2BD	No sound	LT reg's were dry jointed causing intermittent loss of picture and sound, and I am sure this is what corrupted the eeprom. The Chassis is an EE3W and to access the service menu you need to press this sequence. "Menu,2,3,5,7". the adjustments are made in the same way as the EE3.	14-09-04
Mitsubishi	CT28BW2BD	Reverts to st/by at sw on	D507 BYD33G s/c in 28v supply to FOP	14-09-04

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