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There are currently no product reviews.
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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.
 ;
THIS MANUAL IS VERY GOOD AND VERY CLEAR
PLEASE NOTE IT DOES NOT CONTAIN THE SETUP INFORMATION TO ALIGHN THE GEARS IN THE CD MECH IT DOES SHOW ALL THE PARTS AND THEIR LOCATIONS .
TROUBLESHOOTING
2. SYSTEM CIRCUIT
A. LED DISPLAY
No LED display.
Is 5V obtained at IC701 pin # 9, 25? YES
NO Check L703, pin#6 of PJ701
NO Oscillation at IC701 pin #1? Exchange IC701.
YES NO
Is there KEY/SEG signal?
Check PCB
YES NO KEY output at PORT of IC701? Check IC 701 pin #6, 7, 8
YES NO SEG output at PORT of IC701? Check IC 701 pin # 10-12,14,15
Exchange IC701.
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