Panasonic JU-257-03P Service Manual Download Page 7 | Manualshive

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1.44 MB FDU

PANASONIC JU-257A-294P

SA450

SWITCH

DESCRIPTION

SETTING

SW3-0

Drive selected as DRIVE 0

OFF

SW3-1

Drive selected as DRIVE 1

ON

SW3-2

Drive selected as DRIVE 2

OFF

SW3-3

Drive selected as DRIVE 3

OFF

SW2-NC

Pin 2 of the interface connector is not connected

OFF

SW2-OUT

-HD is the output signal on pin 2 of the interface connector

OFF

SW1-IN

+HD is the input signal on pin 2 of the interface connector

ON

4

Peripherals - Pocket Service Guide

3.5" MICRO FLOPPY DISK DRIVES

4-7

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Summary of Contents for JU-257-03P

Page 1: ...st not be changed from the default configuration shown in the figures of the drives The only exception is the TM jumper terminator which must be removed when the 5 25 drive is installed as the system s second drive However this terminator must be present if the 5 25 drive is the only one present in the system The terminator is always present on 3 5 drives and is soldered on the board The cross ove...

Page 2: ... DRIVE 2 OFF D3 Drive selected as DRIVE 3 OFF MO Spindle motor controlled by the Motor On signal ON MS Spindle motor controlled by the Drive Select signal OFF DC Disk Change is the signal on pin 34 of the interface connector ON RY Ready is the signal on pin 34 of the interface connector OFF TM Terminator ON Peripherals Pocket Service Guide 4 2 3 5 MICRO FLOPPY DISK DRIVES ...

Page 3: ...selected as DRIVE 2 OFF OFF D3 Drive selected as DRIVE 3 OFF OFF MO Spindle motor controlled by the Motor On signal ON ON MS Spindle motor controlled by the Drive Select signal OFF OFF NC Pin 2 of the interface connector is not connected OFF OFF HD HD is the pin 2 output signal OFF ON TM Terminator ON ON AT Mode Select PS2 OFF or PCAT ON OFF OFF 4 Peripherals Pocket Service Guide 3 5 MICRO FLOPPY ...

Page 4: ...MO Spindle motor controlled by the Motor On signal ON ON SW2 MS Spindle motor controlled by the Drive Select signal OFF OFF SW1 RY Disk Change is the signal on pin 34 of the interface connector ON ON SW1 DC Ready is the signal on pin 34 of the interface connector OFF OFF SW5 PS2 PS2 Mode Select ON ON SW5 AT PCAT Mode Select OFF OFF SW6 NC OUT NC Pin 2 of the interface connector is not connected ON...

Page 5: ...SW2 MS Spindle motor controlled by the Drive Select signal OFF SW1 RY Disk Change is the signal on pin 34 of the interface connector ON SW1 DC Ready is the signal on pin 34 of the interface connector OFF SW5 PS2 PS2 Mode Select OFF SW5 AT PCAT Mode Select ON SW6 NC OUT NC Pin 2 of the interface connector is not connected OFF SW6 EX EX OUT HD is the output signal on pin 2 of the interface connector...

Page 6: ...selected as DRIVE 1 ON ON SW3 2 Drive selected as DRIVE 2 OFF OFF SW3 3 Drive selected as DRIVE 3 OFF OFF SW2 NC Pin 2 of the interface connector is not connected ON OFF SW2 OUT HD is the output signal on pin 2 of the interface connector OFF ON SW1 IN HD is the input signal on pin 2 of the interface connector OFF OFF Peripherals Pocket Service Guide 4 6 3 5 MICRO FLOPPY DISK DRIVES ...

Page 7: ...SW3 2 Drive selected as DRIVE 2 OFF SW3 3 Drive selected as DRIVE 3 OFF SW2 NC Pin 2 of the interface connector is not connected OFF SW2 OUT HD is the output signal on pin 2 of the interface connector OFF SW1 IN HD is the input signal on pin 2 of the interface connector ON 4 Peripherals Pocket Service Guide 3 5 MICRO FLOPPY DISK DRIVES 4 7 ...

Page 8: ...as DRIVE 3 OFF 1 44 MB FDU SONY MP F17W 82D SA450 JUMPER DESCRIPTION SETTING DS0 Drive selected as DRIVE 0 OFF DS1 Drive selected as DRIVE 1 ON DS2 Drive selected as DRIVE 2 OFF DS3 Drive selected as DRIVE 3 OFF HD HD sense is the signal on pin 2 of the interface connector ON SONY MB F17W SONY MB F17W 3 5 3 5 Peripherals Pocket Service Guide 4 8 3 5 MICRO FLOPPY DISK DRIVES ...

Page 9: ...G FOR MP F17 85 DS0 Drive selected as DRIVE 0 OFF OFF DS1 Drive selected as DRIVE 1 ON ON DENSITY STATUS Density Status is the signal on pin 2 of the interface connector OFF ON SETTING ON MODEL MP F17 84 SETTING ON MODEL MP F17 85 4 Peripherals Pocket Service Guide 3 5 MICRO FLOPPY DISK DRIVES 4 9 ...

Page 10: ...6 SA450 SWITCH DESCRIPTION SETTING 0 Drive selected as DRIVE 0 OFF 1 Drive selected as DRIVE 1 ON 2 Drive selected as DRIVE 2 OFF 3 Drive selected as DRIVE 3 OFF Peripherals Pocket Service Guide 4 10 3 5 MICRO FLOPPY DISK DRIVES ...

Page 11: ...trolled by the Drive Select signal OFF OFF M1 ON OFF P1 OFF OFF RY Ready is the signal on pin 34 of the interface connector OFF OFF DC Disk Change is the signal on pin 34 of the interface connector ON ON DS3 Drive selected as DRIVE 3 OFF OFF DS2 Drive selected as DRIVE 2 OFF OFF DS1 Drive selected as DRIVE 1 ON ON DS0 Drive selected as DRIVE 0 OFF OFF CONFIGURATION ON DRIVE YD 702B 6037B 4 Periphe...

Page 12: ...r start up by the Motor On signal ON ON JP2 MS Motor start up by the Drive Select signal OFF OFF JP2 HI JP2 HD JP2 SW JP1 HD JP1 LD Open or Ready is the signal on pin 2 of the interface connector OFF OFF ON ON OFF OFF OFF ON ON OFF JP4 HD Issues the HD Sense signal on pin 2 ON OFF JP4 NC Pin 2 not connected OFF ON JP2 SR Issues the Standard Ready signal on pin 34 OFF OFF JP2 DC Issues the Disk Cha...

Page 13: ...r I F pins 7 9 and 11 are connected to GND OFF 3 4 7 8 Mode is selected by signal HDI Mode 2M is set with input signal HDI at low level I F pins 7 9 and 11 are open OFF 4 9 7 8 Mode is selected by input signal HDI Mode 2M is set with input signal HDI at high level I F pins 7 9 and 11 are connected to GND ON SS01 4 Peripherals Pocket Service Guide 3 5 MICRO FLOPPY DISK DRIVES 4 13 ...

Page 14: ...FF 3 4 7 8 Mode is selected by an internal sensor When medium 2HD is inserted the output signal on pin 9 is low I F pins 7 9 and 11 are open OFF 4 5 7 8 Mode is selected by input signal HDI Mode 2M is set when input signal HDI is at high level I F pins 1 3 and 5 are connected to the 5 V ON SS01 Peripherals Pocket Service Guide 4 14 3 5 MICRO FLOPPY DISK DRIVES ...

Page 15: ... pins 7 9 and 11 are connected to GND ON 3 4 7 8 The mode is selected by the HDI input signal Mode 2M is selected by a low HDI input signal I F pins 7 9 and 11 are open OFF 4 9 7 8 The mode is selected by the HDI input signal Mode 2M is selected by a high HDI input signal I F pins 7 9 and 11 are connected to GND OFF SS01 4 Peripherals Pocket Service Guide 3 5 MICRO FLOPPY DISK DRIVES 4 15 ...

Page 16: ... OUT on pin 2 mode 3 MODE JUMPERS PIN 2 FUNCTION HD LEVEL SET DENSITY HA HI HO LHI HOST SIDE FDU SIDE 1A OFF ON OFF OFF HD IN High Key in or software HD IN from host 1B OFF ON OFF ON HD IN Low 2 ON OFF OFF OFF Open Key in or software Automatic from sensor 3 OFF OFF ON OFF HD OUT High HD OUT from FDU Automatic from sensor E B 1 2 A C D HO HI HA LHI DS0 DS1 Peripherals Pocket Service Guide 4 16 3 5 ...

Page 17: ...ense signal on pin 2 ON H4 Sends the HD sense signal on pin 4 OFF RY The Ready signal is on pin 34 of the interface connector OFF DC The Disk Change signal is on pin 34 of the interface connector ON DS1 Drive selected as DRIVE 1 ON DS0 Drive selected as DRIVE 0 OFF 4 Peripherals Pocket Service Guide 3 5 MICRO FLOPPY DISK DRIVES 4 17 ...

Page 18: ...ce 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 ...

Page 19: ...IVE 1 ON 4 Drive selected as DRIVE 2 OFF 5 Drive selected as DRIVE 0 OFF 6 Shift from Normal Density to High Density through disk insertion ON 7 High Density input OFF 8 Low Density input OFF 9 Low Density output OFF 10 High Density output ON 10 6 3 1 4 2 5 7 8 9 4 Peripherals Pocket Service Guide 3 5 MICRO FLOPPY DISK DRIVES 4 19 ...

Page 20: ...R LED on Drive Select Ready OFF ACD A or B Auto checking at power on enabled OFF REN Auto recalibration at power on disabled OFF FG The drive s ground is connected to the ground of the PCBA board OFF METHOD JUMPERS INPUT OUTPUT HD LEVEL DENSITY SET HO2 HI2 HA PIN 2 PIN 2 HOST SIDE FDU SIDE 1 OFF ON OFF HD IN Open High Key in or software HD IN from host 2 OFF OFF ON Open Open Key in or software Aut...

Page 21: ... as second drives 1 44 MB FDU SONY MPF520 3 SA450 1 44 MB FDU MITSUMI D359T5 SA450 There are no jumper settings to be made on this drive and consequently there are no jumpers present The Density Mode and Drive Select parameters cannot be changed and are factory set by Mitsumi as follows Density Mode Auto Select Drive Select Drive 2 JUMPERS JUMPERS DRIVE SELECT 1 configuration to use POWER SUPPLY C...

Page 22: ...2 input signal Disk 2HD 2DD 1 6MI pin 2 H L DS1 Capacity Mode is switched by the internal sensor Disk 2HD 2DD DS0 Capacity Mode is switched by the internal sensor Disk 2HD 2DD DS0 Capacity Mode is switched by the HDI pin 2 input signal HDI pin 2 L H DS0 Capacity Mode is switched by the LDI pin 2 input signal LDI pin 2 H L DS0 Capacity Mode is switched by the internal sensor and by the 1 6MI pin 2 ...

Page 23: ... is not used ON H2 Selects the output of the High Density signal The High Density signal is applied to interface connector pin 2 ON The High Density signal is not applied to the interface connector OFF DS1 Drive selected as DRIVE 1 ON DS0 Drive selected as DRIVE 0 OFF 1 44 MB FDU PANASONIC JU 257A 746P SA450 Note This drive is available in two versions with or without front panel There are no jump...

Page 24: ... SONY MPF920 3 SA450 JUMPERS DRIVE SELECT 1 configuration to use POWER SUPPLY CONNECTOR MOTOR JUMPERS DRIVE SELECT 0 POWER SUPPLY CONNECTOR MOTOR Peripherals Pocket Service Guide 4 24 3 5 MICRO FLOPPY DISK DRIVES ...

Page 25: ...SONY MP F40W 17 1 SONY MP F40W 31 SA450 SWITCH DESCRIPTION SETTING 0 Drive selected as DRIVE 0 OFF 1 Drive selected as DRIVE 1 ON 2 Drive selected as DRIVE 2 OFF 4 Peripherals Pocket Service Guide 3 5 MICRO FLOPPY DISK DRIVES 4 25 ...

Page 26: ...D235J 5636 SA450 HI2 G17 HO27 OIV G27 DIV HO33 EO17 G29 HO4 DC2 EI2 HI6 EI6 DS2 MSC EIS DC34 EO29 EI33 HIS EO6 DS3 DS1 DS0 RY34 4 3 2 1 A B C D E F G FG Peripherals Pocket Service Guide 4 26 3 5 MICRO FLOPPY DISK DRIVES ...

Page 27: ... OFF EIS ED set automatically by the ED sensor ON EI2 ED IN input on pin 2 OFF EI6 ED IN input on pin 6 OFF EI33 ED IN input on pin 33 OFF HO4 HD OUT output on pin 4 OFF HO27 HD OUT output on pin 27 ON HO33 HD OUT output on pin 33 OFF EO6 ED OUT output on pin 6 OFF EO17 ED OUT output on pin 17 ON EO29 ED OUT output on pin 29 OFF OIV HD OUT ED OUT level inverted Low true OFF DIV HD IN ED IN level a...

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