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Service manual very complete and clear. It was very helpfull for my work.
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This is the 2nd time I download manuals from this website and I can say it's what I was expecting. It contains schematic, layout (decent quality), short description, parts and dissasembly instructions. I recomend it for anyone who wants to repair/modify this device.
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Very useful Service Manual! With it I was able to identify the damaged pots in my old amplifier, purchase the adequate replacements and make myself the repair.
I have again my old amplifier, still a very good one that I will keep for as many years as I can!
Thanks to Owner Manuals!
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Good price for the manual and easy to locate on the site and download. Plus, just like the original. Thanks a lot.
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Genuine Service Manual. Link was available in less then an hour or so. Service Manual contains assembly, PCB layout, complete circuit diagram, Components list etc
3. Y/C CIRCUIT (4) When the Video signal doesn�t appear on the screen in REC Mode,
NO
Is the EE signal normal? YES Is 5.2VT/5.4VA applied to the IC301 Pins 24,42,55,72,91? YES Does PB Mdoe operate normally? YES Does the RF signal appear at the IC301 Pin 78?
Check EE Mode.
NO
Check the line of the 5.2VT/ 5.4VA Line.(Power Circuit)
NO
Check PB Mode.
NO
Is the REC �H� signal (about 4V) applied to the IC301 Pin 80? YES
NO
Check the System of REC �H�. (the IC501 Pin 47 / the D301)
YES
Check REC Luminance Pass & Color Pass.
YES
Replace the IC301.
Does the REC RF signal appear at the IC301 Pins 88,89,94,95? YES Check the Drum & Drum Connector
NO
Check the circuit of the IC301 Pins 85, 86.
YES
3-15
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