AT&T PC 6300 - Page 630

APPENDIX A: SWITCHES AND JUMPERS
READ DATA
TP7 + ANALOGIC
RESISTDR ARRAY
ID BE PLUGGED ON
THE LAST DRIVE
CONTROL
SIGNALS
DRIVE
SELECTION
JUMPER
READ DATA
TPS * ANALOGIC
TP5/6 GROUND -
JUMPER ALWAYS
PRESENT
HEADS
I- TP4 INDEX
H ®
+5 + 12V
POWER
SUPPLY
TP1 GROUND -
TP2 READ DATA
IMPULSE
SPINDLE
MOTOR
SPEED
ADJUSTMENT
SPINDLE MOTOR
INDEX
STEP MOTOR
"0" TRACK
USED FOR
PRODUCTION
TEST
Figure A-34. Tandon TM-252 (10 MB) HDU
A-48
11
0
1
n
n
n
f]
0
■^1
n
:n
n
n
n