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File name:Sony TV TSS Logs.rar
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Descr:Sony TV TSS Logs
Group:Electronics > Consumer electronics > TV
Uploaded:09-03-2004
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File name Sony TV TSS Logs.pdf

Sony TSS Logs BRAND MODEL Chassis Sony KV36XBR250 Sony KV32S40 Sony KV27V66 Sony KV27V10 Sony KV32V40 TSS Logs for Sony Television Products SYMPTOM CURE Customers DVD player always plays back in 16X9 mode. Customer has JVC DVD player. Disc plays back in 16:9 customer selects 4X3 mode on their DVD player but TV stills displays 16X9. The JVC DVD This auto feature can be turned off but only in the Service Mode. player puts out ID signal even when no Change ID7 from 9 to 8. This is the No Auto V. Customer must AA-2W 16X9 mode 16X9 is available. When the Sony TV now select modes manually on their DVD player. detects this special ID signal it automatically puts the TV in to the 16X9 mode. Compression Mode. Customer must now select modes manually on their DVD player. The hum is a result of magnetic flux from the vertical deflection KV32S40 serial 9028282 that has a low yoke. The 60 hz is radiating into the low level audio circuits through level audio hum in the video input or tuner inductive pick up from lead dress and ground loops. To minimize AA-2 A.C. Hum mode. Looked in the FPR on web site but these Remove JW086 and JW1007.Add 22AWG wire from JW270 could fine nothing on the subject. The hum to ground side of R477. This wire should be on the top side of the Aboard and routed to following the audio signal lines from IC1401 is at 60 Hertz (audio processor) to the amplifier IC1461. I asked tech to check to see if the upgrade listed in CSV #397. Jumper are present in the correct spots of the "K" board. Tech can measure 9.6 volts buzz at speaker terminals. However with the Unit has a slight 60 Hz buzz in the speakers disconnected the customer still claims to hear the 60 hz BA4 A.C. hum speakers. When in the external input mode buzz. It this is true the tech needs to look into the deflection yoke and no signal applied the hum is evident. for a cure the buzzing. By putting pressure on the yoke, the tech can try to eliminate the vibration in the yoke assembly caused by loose laminations. Our tech plugged in the set and found the set did have a spark as soon as the set was plugged in the AC outlet. This is perfectly KV27V10 serial 7104657. When the CATV normal because this chassis has to fully charge 2 820 mfd rep was out a few days ago he plugged in electrolytics in a voltage doubler configuration. This causes a the set in to wall and when the prongs tremendous amount of in rush current that may draw several made contact with the AC wall outlet a AA-2 AC leakage claim amperes until the filters are charges up. This will cause a contact small spark was seen. The CATV rep arc the moment the set is connected to the AC line. This set poses exclaimed, "The television is a fire hazard, no more fire hazard than any other electrical device that plugs into and you need to call for service!" He left the the AC outlet. We also performed an A.C leakage test on the set unplugged and we went out on this day. chassis and found that it was less than .015 volts



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