Disk Change - Tandon TM848-1 Operating And Service Manual

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The following list contains information on how the diskette can be cared for, handled, and stored.
1. Keep the diskette away from magnetic fields.
2. Do not touch the precision surface of the diskette with fingers.
3. Insert the diskette carefully into the drive until the backstop is encountered.
4. Do not bend or fold the diskette.
5. Put the diskette into its jacket when it is not in use.
6 . Store the diskette at temperatures between 10'C and 52' C or 5 0' F and 12 5 ' F .
1.12
W RITE P R O TECT
The drive is equipped with a Write Protect Sensor Assembly. This sensor operates in conjunction with
a diskette that has a slot cut in the protective jacket.
When the slot is uncovered, the diskette is write protected. The slot must be covered to write on the
diskette. An option is available on the board for defeating the write protect sensor.
1.13
O PERA T I O N OF THE DRIVE
The drive consists of the mechanical and electrical components necessary to record and to read
digital data on a diskette. User-provided D.C. power at+24 volts and+5 volts is required for operation
of the drive.
1.14
O RGAN I Z A T ION OF THE DRIVE
All electrical subassemblies in th e d r ive ar e c o n s t ructed w it h l e ads t ha t t e r m inate i n m u l t ipin
connectors, enabling the individual assemblies to be removed.
The heads are connected to the circuit board via cables that terminate in five-pin female connectors
a nd their associated m ale s o c k ets t ha t a r e l o c a ted i n c l os e p r o x imity t o t h e r e a d / w r ite d a t a
electronics.
Interface signals and power are provided via connectors at the rear of the drive.
1.15
CO MPO N E N T S OF THE DRIVE
The drive consists of six functional groups:
1. Index Pulse Shaper
2. D rive Status L
og ic
A. Write Protect
B. Track 00 Sensor
C. Double-sided Disk
D. Ready
E. Disk Change
1-7

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