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Excellent quality and quickly delivered manuals at a fair price. Great care is taken in the reproduction process. Even photographs and highly detailed drawings are as clear as in the original. That cannot be said for some freelance manual copies I have obtained from the web. If you have exhausted your internet search of technical manuals, try Owner-Manuals.com. If they do not have it, I do not think it exists. Perhaps, if requested, they may be able to find it. Their resources are certainly greater than most. Shopping here certainly beats waiting for months or years for the manual you seek to appear in an internet auction or garage sale.
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Very detailed product, also it is a scanning from original, very useful if you have to service this type of amplifier ! Very good product, very hard to find!
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the Manual was made available as promised, the scans were excellent..Good Work !!!
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It's complete and helpful manual with good quality of scan. Thanks very much.
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The service was quick and simple, finding the service manual easy and it appears to be the original with colour schematics. It contained the info I was after and so sorted the problem.
I have copied it to CD and attached the envelope to the inside back cover of the owners manual. Good manual and excelent service. Robin Wood, Wood Electronics, New Zealand.
IC BLOCK DIAGRAM
IC, KS57C0301
P0.0 /CLO P0.1 /TIO P0.2 /INT1 RESET BASIC TIMER INERRUPT CONTROL BLOCK WATCH TIMER INTERNAL INTERRUPTS P2.0-P2.3 P3.0 /SCK P3.1 /SO P3.2 /SI P3.3 /BUZ I/O PORT 2 I/O PORT 3 ARITHMETIC LOGIC UNIT FLAGS SERIAL I/O PORT P1.0 /KS0 /CIN0 P1.1 /KS1 /CIN1 P1.2 /KS2 /CIN2 P1.3 /KS3 /CIN3 I/O PORT 1 INSTRUCTION DECODER CLOCK STACK POINTER 8-BIT TIMER/ COUNTER XIN XOUT I/O PORT 0
PROGRAM COUNTER
PROGRAM STATUS WORD
COMPARATOR
256 x 4-BIT DATA MEMORY
2-KBYTE PROGRAM MEMORY
P0.0/CLO 1 P0.1/TIO 2 P0.2/INT1 3 P1.0/KS0/CIN0 4 P1.1/KS1/CIN1 5 P1.2/KS2/CIN2 6 P1.3/KS3/CIN3 7 XOUT 8 XIN 9 VSS 10
20 VDD 19 P3.3/BUZ 18 P3.2/SI 17 P3.1/SO
KS57C0301 (Top view)
16 P3.0/SCK 15 P2.3 14 P2.2 13 P2.1 12 P2.0 11 RESET
NOTE: Pin assignments are identical for the 20-pin DIP and SOP package.
IC, NJM2035
2-CH IN PUT 14 NC 13 12 TRIMMING 11 V+ 10 MPX OUT PUT 9 PILOT OUT PUT 8
2CH AMP TIME DIVISION MPX 1CH AMP Q
BUFFER
DIVIDER
19K
Q BUFFER 38K OSC AMP
1 1-CH IN PUT
2 NC
3 AC BYPASS
4 GND
5 AC BYPASS
6 YO CRYSTAL
7 TO CAPACITOR
8
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