Panasonic JU-257A Service Guide - Page 18

Mb Fdu, Sony Mpf 420-1, Sa450

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1.44 MB FDU Peripherals - Pocket Service Guide SONY MPF 420-1 SA450 15 5 11 1 Jumper Description +5 V 15 12 10 5 GND GND HD Sensor 11 2 4 1 Amber Green Drive Select Mode Select +5V: HD IN Mode N.C.: LD IN Mode Density Select Ground: 1 MB Only HD Sensor: Auto Select Interface #2 pin: Interface Control Mode Drive ID HD OUT LED Note: The numbers in the circles indicate the number of interface pins connected. 4-18 3.5" MICRO FLOPPY DISK DRIVES

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1.44 MB FDU
SONY MPF 420-1
SA450
Jumper Description
Note:
The numbers in the circles indicate the number of interface pins connected.
5
1
15
11
5
1
15
11
Drive Select
Mode Select
+5V: HD IN Mode
N.C.: LD IN Mode
Density Select
Ground: 1 MB Only
HD Sensor: Auto Select
Interface #2 pin: Interface Control Mode
Drive ID
HD OUT
GND
+5 V
LED
Amber
Green
HD Sensor
GND
12
10
2
4
Peripherals - Pocket Service Guide
4-18
3.5" MICRO FLOPPY DISK DRIVES