5
4
3
2
1
Auxillary Power Supply
D
D
K1 RR TRACK
1 2 U5
24 23 22
CS1 CS2 R/W
25
PHI2
34
RES
D0 D1 D2 D3 D4 D5 D6 D7
B
33 32 31 30 29 28 27 26
PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7
2 3 4 5 6 7 8 9
PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7
10 11 12 13 14 15 16 17
CA1 CA2
40 39
CB1 CB2
18 19
IRQ
21
C
D1 DIODE BRIDGE Q1 TIP 127 (Power Darlington) -
+ C1 1000uF R3 1K
R1 1K
MG1
1
DS0 RS1 RS2 RS3
+
A U4A 74LS04
U2 R4
1
2
VL6522 ($A000)
2 4 6 8 11 13 15 17
A1 A2 A3 A4 A5 A6 A7 A8
1 19
1OE 2OE
18 VDC MOTOR
2
C
38 37 36 35
Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8
18 16 14 12 9 7 5 3
B
U1 1
6 5
400 2
R2 500K
4 4N33
74LS244
A
A
Title Auxillary Power Supply Size A Date: 5
4
3
Document Number
Thursday, April 04, 2002 2
Rev Sheet
1
of 1
1
