Main Processor Board - Frick QUANTUM Maintenance Manual

P3
P3 KEYPAD
CONNECTOR
TP10
TP9
TP8
TP7
P6
STANDARD
PC / AT KEYBOARD
CONNECTOR
F1
INSTALLED U35
FUSE
P13 ACTIVE COLOR
DISPLAY
CONNECTOR
P14 BACKLIGHT INVERTER
CONNECTOR
FRICK QUANTUM CONTROL PANEL
QUANTUM MAIN PROCESSOR BOARD
COMMUNICATIONS JUMPERS
(SEE CHART)
P4
D39 D38
I/O COMMUNICATION
TX RX
ACTIVITY LAMPS
DRAM JUMPERS
(SEE CHART)
TP6
U11
U42
1 2 3
J7
1 2 3
J8
1 2 3
J9
1 2 3
J16
J17
J18
J19
J20
1 2 3 1 2 3
J21 J23
1 2 3 1 2 3
J22 J24
U37
U24 U36
1
U31
SN #
REV
640D0061H
P1
MAINTENANCE
MAIN BOARD
Part #: 640D0061H01
Replacement Part # 640C0025G01
P7 IDE HARD DRIVE CONNECTOR
P8 FLOPPY DRIVE CONNECTOR
P7
1
IDE
1
P8
1
GAL16V8A
COMMUNICATIONS JUMPERS
" GLUE-1 "
(SEE CHART)
D15
U16 U17 U18
U34
DRAM
BATTERY
B2
6-V BATTERY
DIPSWITCH SETTINGS SIGNIFY
DIAGNOSTIC LAMPS
BOARD IDENTIFICATION
NUMBER (SEE CHART)
DP1
1
OPEN
P10
1 2 3
J65
P11
J67
J69
1 2 3 J92 J66
J64 J91 J68
GAL16V8A
I/O DECODER
DIAGNOSTIC CONNECTOR
P2
D8 D7 D6 D5 D4 D3 D2 D1
S90-010 M
Page 35
NOT USED
COM2
RS232
-RX / -TX
+RX / +TX COM2
RS422/485
-TX
+TX
-RX / -TX
+RX / +TX COM1
RS422/485
-TX
+TX