Panasonic JU-257A Support Question
Panasonic JU-257A Support Question
Find answers below for this question about Panasonic JU-257A - 1.44 MB Floppy Disk Drive.Need a Panasonic JU-257A manual? We have 1 online manual for this item!
Question posted by ScottSheehan on June 10th, 2013
Where Are You Located, Do You Have A Customer Service Phone Number?
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Current Answers
Related Panasonic JU-257A Manual Pages
Service Guide - Page 1
..., and is identified as DS2 as drive B. In other drives, however, this jumper is installed as a 1.44 MB drive. • The 1.44 MB drive can format 720 MB disks by using these disks.
4 • The 2.88 MB drive can recognize 2.88 MB drives. Pocket Service Guide
3.5" MICRO FLOPPY DISK DRIVES
3.5" MICRO FLOPPY DISK DRIVE There are numbered DS0, DS1, DS2 and DS3. The earlier DOS releases...
Service Guide - Page 2
... Motor On signal
MS Spindle motor controlled by the Drive Select signal
DC Disk Change is the signal on pin 34 of the interface connector
RY Ready is the signal on pin 34 of the interface connector
TM Terminator
SETTING OFF ON OFF OFF ON OFF ON OFF ON
4-2
3.5" MICRO FLOPPY DISK DRIVES 1.44 MB FDU
Peripherals -
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
Pocket Service Guide
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 ...
Service Guide - Page 5
...Service Guide
1.44 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... OFF OFF ON
OFF
ON
3.5" MICRO FLOPPY DISK DRIVES
4-5
Service Guide - Page 6
...Pocket Service 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
... FOR 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
Service Guide - Page 7
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 on...
Service Guide - Page 8
... 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 DRIVES Peripherals...
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
OFF...
Service Guide - Page 11
Pocket Service Guide
1.44 MB FDU
CONFIGURATION ON DRIVE YD-702B-6037B
Y-E DATA YD-702B-6039B Y-E DATA YD-702B-6037B
SA450
4
JUMPER
DESCRIPTION
300 Enable 300 Kbit/sec transfer rate
IF
HD Issues the HD Sense signal on pin 2
M2
Spindle motor controlled by the Drive Select signal
M1
P1
RY
Ready is the signal on...
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
JP2...
Service Guide - Page 13
...
ON
3.5" MICRO FLOPPY DISK DRIVES
4-13 Mode 2M is set with input signal HDI at low level. Mode 2M is set with input signal HDI at high level. I /F pins 7, 9 and 11 are connected to GND. Peripherals - I/F pins 7, 9 and 11 are connected to GND.
3-4 7-8
Mode is selected by signal HDI. Pocket Service Guide
1.44 MB FDU
SS01...
Service Guide - Page 14
... selected by input signal HDI. 1.44 MB FDU
SS01
Peripherals - SETTING OFF OFF ON
4-14
3.5" MICRO FLOPPY DISK DRIVES Mode 2M is set when input signal HDI is low. When medium 2HD is inserted, the output signal on pin 9 is at high level. I /F pins 1, 3 and 5 are connected to the +5 V. Pocket Service Guide
EPSON SMD1040-321
SA450...
Service Guide - Page 15
... input signal.
SETTING OFF ON ON
OFF
OFF
3.5" MICRO FLOPPY DISK DRIVES
4-15 The mode is selected by the HDI input signal Mode 2M is selected by an internal sensor.
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 low HDI input...
Service Guide - Page 16
Pocket Service Guide
TEAC FD235HF-4473
SA450
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) ... 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
Pocket Service Guide
1.44 MB FDU
Y-E DATA YD-702D-6037D
SA450
4
JUMPER IF, T1, T2
H2 H4 RY DC DS1 DS0
DESCRIPTION Automatic Switching operating mode Sends 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...
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 1.44 MB FDU
Peripherals -
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
...
Key-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
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
6
DS3...
Service Guide - Page 21
...by Mitsumi as second drives.
1.44 MB FDU
SONY MPF520-3
JUMPERS
POWER SUPPLY CONNECTOR
DRIVE SELECT 1 (configuration to use)
SA450
4
JUMPERS
POWER SUPPLY CONNECTOR
DRIVE SELECT 0 (Do not use)
1.44 MB FDU
MITSUMI D359T5
SA450
There are no jumper settings to be fitted as follows:
• Density Mode = Auto Select • Drive Select = Drive 2.
3.5" MICRO FLOPPY DISK DRIVES
4-21
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