Panasonic JU-257A Service Guide - Page 20

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 6 DS3 DS DS2 14 12 DS1 DS DS0 10 SA450 JUMPER FUNCTION DS0 Drive selected as DRIVE 0 on pin 10 DS1 Drive selected as DRIVE 1 on pin 12 DS2 Drive selected as DRIVE 2 on pin 14 DS3 Drive selected as DRIVE 3 on pin 6 RY34 READY output on pin 34 DC34 DISK CHANGE output on pin 34 DC2 DISK CHANGE output on pin 2 HA Density set automatically by the sensor HI2 Density set by HD IN on pin 2 HO2 HD OUT output on pin 2 IR LED on: Drive Select * Ready ACD (A) or (B) Auto-checking at power on enabled REN Auto-recalibration at power on disabled FG The drive's ground is connected to the ground of the PCBA board SETTING OFF ON OFF OFF OFF OFF OFF ON OFF OFF OFF OFF OFF OFF METHOD 1 JUMPERS HO2 HI2 HA OFF ON OFF INPUT OUTPUT PIN 2 PIN 2 HD IN Open 2 OFF OFF ON Open Open 3 ON OFF ON Open HD OUT HD LEVEL High - Low DENSITY SET HOST SIDE FDU SIDE 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