92
Date:
May 7, 1996
Sheet
6
o
f
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.
OFFSET = 2200mV
Na
"Na"
1
2
C49
0.22uF
1
2
R63
1K
NaOUT
1
TP9
TP
1
2
C48
0.22uF
2
3
1
1 1
4
U12A
TLC279CN
1
2
R44
59K 1%
1
2
R47
66.5K 1%
1
2
R113
1K
+5VA
-5VA
NOTE: NO SOLDER MASK IN PROBE AREA
1
2
R41
1K 1%
6
5
7
U13B
LMC6064
NOTE: PROBE THRU IN+ SHIELDED
INPUT AMPLIFIERS
NOTE:
GUARD RING AND PROBE AREAS
SHOULD BE CLEAR OF SOLDER
MASK.
Na
P2
PROBE
1
2
R34
100K
ZPROBE2
R4WW
NOTE: PROBE THRU IN+ SHIELDED
K
P3
PROBE
1
2
R35
100K
ZPROBE4
R4WW
ZPROBE3
R4WW
1
2
R40
1K 1%
2
3
1
1 1
4
U13A
LMC6064
+5VA
-5VA
1
2
C50
0.22uF
1
2
R46
68.1K 1%
1
2
R114
1K
1
2
R48
243K 1%
OFFSET = 0
"K"
OFFSET = 700mV
1
2
R45
43.2K 1%
1
2
R64
1K
6
5
7
U12B
TLC279CN
KOUT
1
TP11
TP
1
TP10
TP
"Cl/Ca/Li"
1
2
C52
0.1uF
1
2
R65
1K
1
2
C51
0.1uF
Cl/Ca/LiOUT
+5VA
-5VA
9
10
8
U12C
TLC279CN
1
2
R115
1K
1
2
R39
1K 1%
13
12
14
U13D
LMC6064
9
10
8
U13C
LMC6064
NOTE: PROBE THRU IN+ SHIELDED
Ref
Cl,Li,or Ca
P4
PROBE
1
2
R36
100K
P5
PROBE
ZPROBE5
R4CR
ZFST-P2P5-1
FASTENER3
ZFST-P2P5-2
FASTENER3
ZSPHLDR1
PROBEHOLDER
-2.5V
OFFSET GENERATOR
1
2
3
U42
LM385BXZ-2.5
1
2
R42
82K
V-
13
12
14
U12D
TLC279CN
SBC PCB - INPUT AMPLIFIERS - 9180, 81