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: 6
Aiwa	TVSE211	No vid/raster with sound - no/poor OSD	IC303 (OSD Sw) pt no Aiwa87A21167010	14-09-04
JVC	AVS25SD4EK	Comes on briefly to show good pic in EXT3 then reverts to st/by	Possible EEPROM corruption - press "I" and "Audio Mute" simultaneously on handset. This will put it into test mode. Another quirk of some EEPROM problems is that the set will often switch to standby when going into or out of Service Mode or when pressing "VSM Reset".	14-09-04
Pioneer	Elite VSX-27TX	Pioneer Elite VSX-27TX. However, most of the time I can't get any sound. Now and then afer 15 to 20 minutes of leaving it on it comes to live.	There probably are some dry solder joints or bad cable connections in this amplifier. Just switch on the amp, and gentley tap on the chassis with an isolated screwdriver. If the sound "jumps" back on, there almost certainly is a bad solder joint / connection.	19-07-05
Sony	AE2F KVS2942U	Int pic, low HT of 80v	Check R641 & R642 1M, C609 22uF on PSU R848 220K main board	14-09-04
Sony	KV21VSK	Dead - lightning stike	TOP223 on st/by psu, fuse o/c, s/c bridge rect & chopper tfmr of st/by psu had burned off wire - able to repair	14-09-04
Sony	KVS29SN1 G1	Black screen - no vert scan	Dry joints on VC (v pin out) sub-board Q1801 / Q1802/ Q1803/ IC1803	14-09-04

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