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I PURHASED THIS PRODUCT BECAUSE I WAS HAVING PROBLEMS WITH MY CDR20 HARMAN KARDON RECORDER. WHICH I PURCHASED NEW 12 YEARS AGO. AFTER REVIEWING THE MANUAL, I WAS ABLE TO ADJUST THE TENSIONER IN THE SYSTEM. WORKS LIKE A CHAMP!.
SAVED ME AT LEAST 100.00 WHICH WAS WHAT A SERVICE REPAIR STATION WANTED. GREAT MANUAL EASY TO READ. SPECIALLY AFTER I PRINTED THE PAGES WHICH DEALT WITH MY RECORDER. THANKS A LOT!!!!!!!!
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You can fully trust on this one!
All the schematics are very crear an in one piece per page
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I have never bought a service manual which is as competely readable as this althogh it was a scanned pdf. Thank you for this succesful manual also cheaper than other sites.
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Thanks for a very good and readable servicemanual. Just what I needed as a "dinosaur technician". I really recommmend this site and will come back.
Åsbjörn
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The manual I purchased was just what I needed. I was glad to find a site where I can find so many manuals on a wide variety of products.
1. Memory Control Gate Array GA2 (IC30) is a Memory Controlling Gate Array. � DMA Control It is used to transfer data between the following devices. Scanning Control LSI (GA1) Page Memory (S-DRAM) CODEC (PM22) Page Memory (S-DRAM) System Memory (S-DRAM) Page Memory (S-DRAM) CODEC (PM22) Page Memory (S-DRAM) LSU Unit Page Memory (S-DRAM) : Scanning Route : Coding Route : Decoding Route : Recording Route : Report Route
� Rotation Management The rotation is carried out by the hardware when transferring the route. � S-DRAM Control It generates S-DRAM Control Signal for Page memory and Refresh Control when the power is ON. It does not backup the Page Memory. � Picture Quality Correction Circuit (Smoothing) When the receiving data (8 dot/mm x 3.85, 7.7, 15.4 line/mm) is converted to 600 dpi x 600 dpi resolution, the current printed data and 15 surrounding printed data are sent to the Smoothing ROM through 16 bit line and the ROM sends smoothed dot data. As a result of this operation, the distorted curved lines are smoothed. � Gray-Level Enhancement This control function allows expressing higher-level scales than using a recorded signal, by reducing line density into 1/2 or 1/3 on the original after binary-to-multiple value conversion. This capability increases reproduction of grayscale images such as photographs. � Reduction / Enlargement Control Circuit This circuit is used to process the received data so that it fits on the recording paper, according to the Fax Parameter Settings. � Synchronization Control Circuit This circuit is used to synchronize the output of the recorded data with the horizontal synchronizing output signal from the printer for each line. It controls the resolution of the printer as follows. 16 dot/mm x 15.4 line/mm : Report data 600 dpi x 600 dpi : Copy & Printer Interface
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