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Very helpful and complete manual. Maybe only one negative is schematics have sometimes unreadable name of the parts. But it's not a big problem.
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Excellent high quality schematics brought my old Heidelberg back to life. Fast download at a reasonable price. Thanks.
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This document is just what I was looking for, it´s very useful, it contains adjustment procedures for the final stage of the power amp and also
has a complete wiring diagram and description of the main semiconductors used in the design.
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Dear Sirs,
Thank you for the fast support, the manual does provide all necessary information to repair the radio. All schematics are in a good quality for reading.
The manual fits 100% to my requirements as a technican.
Kind regards Thomas
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the big video recorder format s-vhs many features delicate in loading system of the cassette. Such machines are no longer manufactured, it would be too expensive.
( 4 ) Power cannot be turned on
Check whether IC201 pin 58 is 3V DC. Yes No Check whether IC201 pin 45 is 3V DC. No
Check whether the collector voltage of Q36 is less than 0.2V DC. No
Check safety switch SW201 and the circuits of the key matrix. No
Check Q36.
Check Q201.
Yes
Check whether the collector voltage of Q37 is more than 5.8V DC. No
Check Q37.
YACHT BOY 80
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