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Great and quick support. The maual was exactly what I was looking for and my problem
solved. Many thanks.
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Very good service Within one day i received a pdf of the users manual and electric circuits so I was able to measure the different voltages in the printed circuit and find out the fault Payment was also reliable and easy.Without the manual i could not have repaired.So thanks to "Search for a manual"
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you are doing great job guys.....my father ask me to find out the schematics of Sony KV25R1D to sort out the problem ..(he was electrical technician, and excperianced with TV and simillar stuff). finally he found the cause and change all necessary parts....now he has got working old dog..and is very happy!!... thank you all.. NB..he also saved the repair cost.
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Perfect. Received my manual within 24 hours. Clear scan of the manual I needed. No problem.
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Item as described, very well detailed manual with complete schematics. I've received the download information shortly after payment, very good support.
C.
DISC IN
OPEN/CLOSE
Fig.3. FOCUS ERROR waveform NO FOCUS ON? YES
Check the focus error moving the lens up and down. (IC2A1 Pin 42)
NO
Check IC2A1 Pin 11,12,13,14 in DVD Mode IC201 no output : Pick-up is defective.
YES
Does the TTL level change at IC201 Pin 78 and 132 moving the lens?
NO Replace IC201.
YES
Replace µ-COM or IC201.
NO Does the disc turn? YES
Check IC2M1 Pin 21, PMD03 Pin 6 turn when the IC2M1 Pin 21 is less than 2.2V.
Check IC201 and IC2M1 when PMD03 Pin 6 is abnormal
NO IC201 Pin169 is "High"? YES Check A
Is OK the track jump. YES
NO
Does the signal pulse appear at IC2A1 Pins 39, 29? YES
NO
IC2A1 is defective.
NO Does the screen appear? YES
Video Part is defective. Check "5.MPEG Circuit." Check "7.OSD/Video Circuit."
Replace µ-COM part.
END
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$4.99 L55 NAD Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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