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Question posted by nesha013 on August 27th, 2010

Which Is The Best/cheap Replacement For Floppy Drive Panasonic Ju 257a166p?

My keyboard Roland G-800 uses Panasonic's floppy drive, which is damaged...I tryed to clean up my drive, but without positive results. I found some Amiga and the others compatibile floppy drives, etc. but it isn't stable solution, also expensive.In the other hand I found HDM Uniflash and Floppy drive Emulator... Which is the best solution?

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Related Panasonic JU-257A Manual Pages

Service Guide - Page 1

... MICRO FLOPPY DISK DRIVES 3.5" MICRO FLOPPY DISK DRIVE There are numbered DS0, DS1, DS2 and DS3. Therefore there is identified as drive A, while the drive attached to 720 KB and 1.44 MB disks; The earlier DOS releases will recognize the 2.88 MB drive as the system's second drive. The terminator is always present on the board. Bear the following rules in mind when using the...

Service Guide - Page 2

1.44 MB FDU Peripherals - Pocket Service Guide PANASONIC JU-257-03T PANASONIC JU-257-03P SA450 JUMPER DESCRIPTION D0 Drive selected as DRIVE 0 D1 Drive selected as DRIVE 1 D2 Drive selected as DRIVE 2 D3 Drive selected as DRIVE 3 MO Spindle motor controlled by the Motor On signal MS Spindle motor controlled by the Drive Select signal DC Disk Change is the signal on pin 34 of the...

Service Guide - Page 3

Peripherals - Pocket Service Guide 1.44 MB FDU PANASONIC JU-257A-081P PANASONIC JU-257A-101P SA450 4 JUMPER DESCRIPTION D0 Drive selected as DRIVE 0 D1 Drive selected as DRIVE 1 D2 Drive selected as DRIVE 2 D3 Drive selected as DRIVE 3 MO Spindle motor controlled by the Motor On signal MS Spindle motor controlled by the Drive Select signal NC Pin 2 of the interface connector is not...

Service Guide - Page 4

... 1.44 MB FDU PANASONIC JU-257A-083P PANASONIC JU-257A-083PJ PANASONIC JU-257A-103P PANASONIC JU-257A-103PJ SA450 SWITCH DESCRIPTION SW3-0 Drive selected as DRIVE 0 SW3-1 Drive selected as DRIVE 1 SW3-2 Drive selected as DRIVE 2 SW3-3 Drive selected as DRIVE 3 SW2-MO Spindle motor controlled by the Motor On signal SW2-MS Spindle motor controlled by the Drive Select signal SW1-RY Disk...

Service Guide - Page 5

...44 MB FDU PANASONIC JU-257A-293P SA450 4 SWITCH DESCRIPTION SW3-0 Drive selected as DRIVE 0 SW3-1 Drive selected as DRIVE 1 SW3-2 Drive selected as DRIVE 2 SW3-3 Drive selected as DRIVE 3 SW2-MO Spindle motor controlled by the Motor On signal SW2-MS Spindle motor controlled by the Drive Select signal SW1-RY Disk...ON OFF OFF ON OFF ON OFF OFF ON OFF ON 3.5" MICRO FLOPPY DISK DRIVES 4-5

Service Guide - Page 6

... Guide 1.44 MB FDU PANASONIC JU-257A-84P PANASONIC JU-257A-104P SA450 SWITCH DESCRIPTION SW3-0 SW3-1 SW3-2 SW3-3 SW2-NC SW2-OUT SW1-IN Drive selected as DRIVE 0 Drive selected as DRIVE 1 Drive selected as DRIVE 2 Drive selected as DRIVE 3 Pin... JU-257A-84P OFF ON OFF OFF SETTING FOR JU-257A-104P OFF ON OFF OFF ON OFF OFF ON OFF OFF 4-6 3.5" MICRO FLOPPY DISK DRIVES Peripherals -

Service Guide - Page 7

Peripherals - Pocket Service Guide 1.44 MB FDU PANASONIC JU-257A-294P SA450 4 SWITCH SW3-0 SW3-1 SW3-2 SW3-3 SW2-NC SW2-OUT SW1-IN DESCRIPTION Drive selected as DRIVE 0 Drive selected as DRIVE 1 Drive selected as DRIVE 2 Drive selected as DRIVE 3 Pin 2 of the interface connector is not connected -HD is the output signal on pin 2 of the interface connector +HD is the input signal...

Service Guide - Page 8

... 0 Drive selected as DRIVE 1 Drive selected as DRIVE 2 Drive selected as DRIVE 3 1.44 MB FDU SONY MP-F17W-82D SETTING OFF ON OFF OFF SA450 JUMPER DS0 DS1 DS2 DS3 HD DESCRIPTION Drive selected as DRIVE 0 Drive selected as DRIVE 1 Drive selected as DRIVE 2 Drive selected as DRIVE 3 HD sense is the signal on pin 2 of the interface connector SETTING OFF ON OFF OFF ON 4-8 3.5" MICRO FLOPPY DISK...

Service Guide - Page 9

Pocket Service Guide 1.44 MB FDU SONY MP-F17W-84 SONY MP-F17W-85 SA450 4 SETTING ON MODEL MP-F17-84 SETTING ON MODEL MP-F17-85 JUMPER DESCRIPTION DS0 DS1 DENSITY STATUS Drive selected as DRIVE 0 Drive selected as DRIVE 1 Density Status is the signal on pin 2 of the interface connector SETTING FOR MP-F17-84...

Service Guide - Page 11

... interface connector DS3 Drive selected as DRIVE 3 DS2 Drive selected as DRIVE 2 DS1 Drive selected as DRIVE 1 DS0 Drive selected as DRIVE 0 SETTING FOR SETTING FOR YD-702B-6037B YD-702B-6039B OFF OFF OFF ON ON OFF OFF OFF ON OFF OFF OFF OFF OFF ON ON OFF OFF OFF OFF ON ON OFF OFF 3.5" MICRO FLOPPY DISK DRIVES 4-11

Service Guide - Page 12

Pocket Service Guide 1.44 MB FDU MITSUBISHI MF-355C-58ML MITSUBISHI MF-355C-58MF SA450 JUMPER DESCRIPTION JP2-IS Front LED controlled by the Drive Select signal JP2-IU Front LED controlled by the Ready signal JP3-DS0 Drive selected as DRIVE 0 JP3-DS1 Drive selected as DRIVE 1 JP2-MM Motor start-up by the Motor-On signal...

Service Guide - Page 13

... OFF ON OFF OFF ON 3.5" MICRO FLOPPY DISK DRIVES 4-13 Peripherals - Mode 2M is selected by an internal sensor. 4-9 I /F pins 7, 9 and 11 are open. 4-9 7-8 Mode is selected by input signal HDI. Pocket Service Guide 1.44 MB FDU SS01 EPSON SMD1040-418 SA450 4 JUMPER SS01 DESCRIPTION 1-6 Drive selected as DRIVE 0 1-2 Drive selected as DRIVE 1 3-8 Mode is set with input...

Service Guide - Page 14

... open. 4-5 7-8 Mode is at high level. Pocket Service Guide EPSON SMD1040-321 SA450 JUMPER SS01 DESCRIPTION 3-8 Mode is low. SETTING OFF OFF ON 4-14 3.5" MICRO FLOPPY DISK DRIVES When medium 2HD is inserted, the output signal on pin 9 is selected by an internal sensor. 1.44 MB FDU SS01 Peripherals -

Service Guide - Page 15

...sensor. I /F pins 7, 9 and 11 are connected to GND. SETTING OFF ON ON OFF OFF 3.5" MICRO FLOPPY DISK DRIVES 4-15 I /F pins 7, 9 and 11 are connected to GND. Pocket Service Guide 1.44 MB FDU SS01 EPSON SMD1040-419 SA450 4 JUMPER SS01 1-6 1-2 3-8 4-9 3-4 7-8 4-9 7-8 DESCRIPTION Drive selected as DRIVE 0 Drive selected as DRIVE 1 The mode is selected by a high HDI input signal.

Service Guide - Page 16

... E HO HI D HA LHI C B DS0 DS1 A 2 1 JUMPER DS1 DS0 HA HI HO SETTING ON OFF ON OFF OFF DESCRIPTION Drive selected as DRIVE 1 Drive selected as DRIVE 0 Density set automatically (mode 2) Density set by HD IN on pin 2 (mode 1) HD OUT on pin 2 (mode 3) MODE 1A... ON OFF OFF OFF Open - Key-in or software HD IN from sensor 4-16 3.5" MICRO FLOPPY DISK DRIVES 1.44 MB FDU Peripherals -

Service Guide - Page 17

... the HD sense signal on pin 2 Sends the HD sense signal on pin 4 The Ready signal is on pin 34 of the interface connector The Disk Change signal is on pin 34 of the interface connector Drive selected as DRIVE 1 Drive selected as DRIVE 0 SETTING OFF ON OFF OFF ON ON OFF 3.5" MICRO FLOPPY DISK DRIVES 4-17

Service Guide - Page 18

... 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

Service Guide - Page 19

Peripherals - Pocket Service Guide 1.44 MB FDU MITSUMI D359T3 SA450 4 10 9 8 6 7 5 3 4 2 1 JUMPER POSITION 1 2 3 4 5 6 7 8 9 10 DESCRIPTION Not connected Not connected Drive selected as DRIVE 1 Drive selected as DRIVE 2 Drive selected as DRIVE 0 Shift from Normal Density to High Density through disk insertion High Density input Low Density input Low Density output High Density output...

Service Guide - Page 20

...-in or software HD IN from host Key-in or software Automatic from sensor HD OUT Automatic from FDU from sensor 4-20 3.5" MICRO FLOPPY DISK DRIVES Peripherals - Pocket Service Guide 1.44 MB FDU FG TEAC FD235HF-6573 IR 0V ACD (B) ACD (A) 0V REN HS HA HI HI2 HO HO2 2 DC2 34 DC34 DC RY34 RY...

Service Guide - Page 23

... * ON * OFF 1.44 MB FDU PANASONIC JU-257A 746P SA450 Note: This drive is not applied to interface connector pin 2 The High Density signal is available in two versions: with or without front panel JUMP. The Density Mode and Drive Select parameters cannot be made on this drive and consequently there are factory-set by Panasonic. 3.5" MICRO FLOPPY DISK DRIVES 4-23 FUNCTION...