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Speedy transaction with a quick download. Awesome hassle-free service.
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very poolite and healpful secure transaction thanks allot
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- Very good scan quality, PERFECT!
- Sehr gute scan Qualitaet, empfehlenswert!
Wolfgang Sundhaus
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Good site, works ok and you get what you order, no problems experienced, got my manual within a day. A++++
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Original well scanned manual. Got the job done. Microwave problem found & corrected. For $5 and a new magnitron from ebay, it was a cheap and good the first shot fix. Electrical schematics allowed me to mage sure every thing else was ok before cutting and order for parts. Hard to live without.
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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