Sony TC-K808ES - Page 15

1C601 Display Microcomputer (M50940-313SP)
This IC controls display of 24-segment level meter, counter, etc. based on the instruction from master microcomputer (IC801).
PinNane | 10
Level meter Rch input (analog) from meter amplifier (IC507)
FL tube grid output
Negative pulse output when counter is 00
PLAY LED output “L” : ON
PLAY LED output “L”:ON
PAUSE LED output “L”: ON
REC LED output “L”:ON
FL tube segment output (L : TAPE, H: SOURCE display)
FL tube segment output (‘‘ OVER LEVEL ” display)
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FL tube segment output (“‘ TYPE I” display)
FL tube segment output (“ TYPE Il” display)
FL tube segment output (“ TYPE IV ” display)
Power supply (GND)
RESET input
Clock input (4MHz)
Clock output (4MHz)
Not used (Normally “L”)
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Power supply (GND)
Version switching input (Normally “ L ”)
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TEST mode input ‘“‘L” : Meter all ON
Calibration SW (S602) input “L”: CAL mode, ‘“H”: Normal mode
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