AVL 9180 - SBC PCB - Valve Drivers 9120, 30, 40

78
Date: April 10, 1996Sheet 3 of 9 Size Document Number REV
B VALVE DRIVERS D
Title
SCHEMATIC, MAIN BOARD ISE/PH
(404)587-4040 30077 Roswell, Georgia 33 Mansell Court AVL Scientific Corp.
"+22V/12.5V"
1 2
C32 0.1uF
1
TP16 UT35-017
VALVE+
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
R19 1.82K 1%
1 2
R20 1.5K
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
R20 WAS 1K R17 WAS 100K
C R19 WAS 2.37K
OPEN5 OVERTEMP- SGND
1 2
R15 1K
1 2
R16 360K
Q13 MJE800
1 2
R17 180K
SGND
THERM-
mb3.sch
SBC PCB - VALVE DRIVERS - 9120, 30, 40