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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Hitachi convergence problem
Greetings,
I have a 43FDX01B projection set with a DP05 chassis. The set has lost vertical correction on the green CRT. It has overheated RK62 to the point the color code can no longer be read. It is likely caused by shorted driver, either IK04 or 05. If anyone can help me with the value of RK62, I would appreciate it. Regards, Pat |
#2
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Part number Location Description
AT01547S RK62 METAL FILM RESISTOR(1.8OHM 1W ) Cheers, Lawrence Pat wrote: Greetings, I have a 43FDX01B projection set with a DP05 chassis. The set has lost vertical correction on the green CRT. It has overheated RK62 to the point the color code can no longer be read. It is likely caused by shorted driver, either IK04 or 05. If anyone can help me with the value of RK62, I would appreciate it. Regards, Pat |
#3
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Suggest changing both IK-04 and IK-05, check the other low value resistors
in the circuit. May require slight touch-up of the registration when done. The Convergence PC is moderately easy to remove and reinstall on these sets, the ICs are a bit of a challenge witout removal of the Heat-Sinks but can be done with diligence. Be sure to use new heat transfer grease. "Lawrence" wrote in message ... Part number Location Description AT01547S RK62 METAL FILM RESISTOR(1.8OHM 1W ) Cheers, Lawrence Pat wrote: Greetings, I have a 43FDX01B projection set with a DP05 chassis. The set has lost vertical correction on the green CRT. It has overheated RK62 to the point the color code can no longer be read. It is likely caused by shorted driver, either IK04 or 05. If anyone can help me with the value of RK62, I would appreciate it. Regards, Pat |
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