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Now downloading free:Sony kv27s10

Download Sony kv27s10 docs - TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips

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File name:Sony KV-27S10 Field Problem Reports.pdf
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Size:16 kB




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Descr:Sony KV-27S10 Field Problem Reports
Group:Electronics > Consumer electronics > TV >
Uploaded:2004-10-20 21:15:32
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Sony KV-27S10 Field Problem Reports.pdfField Problem Reports Model KV27S10 Subject DEAD,REPLACED Q601, Q602, AND R607 HIGH PITCH SQUEAL NOISE FROM HLC, TECH FLASH NO.100 PART NUMBERS MISSING FROM SERVICE MANUAL, NO RESISTOR JUMPER Repair Tips R607 was open Q601, Q602 shorted, replaced parts turned unit on and R607 opened, Q602 shorted. Lifted HLC L509 1/16 of an inch and resoldered, added tape to the board corner Part numbers for R651, R652 missing in service manual. These resistors are jumper wires. No resistors are use. Unit came in with shorted parts in switching power supply. Caused by an excessive load. Deflection yoke was source of problem. It was shorted between the vertical and horizontal windings, which is very unusual. Replacement of yoke along with standard power supply parts resolved problem. Note: Power supply is not protected against all forms of load problems. It is necessary to use proper service techniqures to distinguish between a load or supply caused problem. Some cable channels has distorted picture.

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