AVL 9180 - SBC PCB - Valve Drivers 9180;9181

90
Date: May 7, 1996Sheet 4 of 11 Size Document Number REV
B ZD5015 C
Title
SCHEMATIC, MAIN BOARD 9180
(404) 587-4040 Roswell, Georgia 30076 33 Mansell Court AVL Scientific Corp.
"+22V/12.5V"
1 2
C32 0.1uF
VALVE+
1
TP16 TP
Q8 2N3904
VIN
3
VOUT
2
A D J
1
U5 LM317
1 2
C31 0.1uF
1 2
R21 4.7K
ZHS2 HEATSINK
1 2
R18 200 1%
1 2
R20 1.5K
1 2
R19 1.82K 1%
VALVE-
+24V
OPEN1 OPEN2
1 2
R11 1K
1 2
R12 1K
Q9 MJE800 Q10 MJE800
1 2
C36
2.2uF/50V
1 2
C37
2.2uF/50V
1 2
C38
2.2uF/50V
VALVE DRIVERS
VALVEA- VALVEB- VALVEC- VALVEV- VALVER-
1 2
R13 1K
1 2
R14 1K
Q11 MJE800 Q12 MJE800
1 2
C39
2.2uF/50V
1 2
C40
2.2uF/50V
OPEN3 OPEN4 OPEN5 OVERTEMP- SGND
1 2
R15 1K
Q13 MJE800
1 2
R16 10K
1 2
D19 1N750
SGND
THERM-
SBC PCB - VALVE DRIVERS - 9180, 81