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A
GNDD
GNDD
Failsafes and Optional Populations
THIS MESS TIES
GNDS TOGETHER.
MUST BE AT TOP
LEFT ON EVERY
5
PAGE. THANKS
ORCAD
15mm
R60
1K
C38
100pF
15MM_OUT
1
2
+5VA
R62
U20A
100K
1
2
C49
>15MM DETECT
15MM_IN
3
+
.047uF
1
2
1
15MM_REF
2
15MM
-
R63
(11.9MMHG)
100K
LM393
FCLR
C39
C40
100pF
.047uF
4
PTRANS
330mm
LT_330MM
+5VA
+4VA
R66
R67
1K
10K
R68
887
(300.37MMHG)
3.75V
30MM
R69
100K
1
2
30MM_OUT
300MM_REF
5
U20B
+
7
R70
6
-
13.3K
C43
LM393
.047uF
C68
100pF
1
2
30MM_IN
R71
100K
3
2
Secondary XDCR
+5VA
C45
U22C
.047uF
R76
U22A
NE5234
10K
XD+
IAO+
3
10
1
2
+
+
+1VAS
XDPWR
IAI+
1
8
XD1
2
9
-
-
NE5234
IAFB+
1
2
1
C47
+
3
R79 133K
6
C48
R80
10K
1000PF
1000PF
R81 133K
XD_FB
FPNS-07PGR
IAFB-
1
2
R82
1
1.96K
U22D
NE5234
R84
10K
13
1
2
IAO-
14
IAI-
XD-
12
A
B
+5V
AUTO
AUTO
PUMP
PUMP
C8
.047uF
U15
14060B
GT_15MM
12
7
R
Q4
C1RC
1
2
C1P1
5
Q5
11
4
PI
Q6
R58 1M
6
Q7
14
Q8
13
Q9
+5V
1
2
15
Q10
C1OSC1
10
1
R61
162K
OS1
Q12
2
Q13
C1OUT
3
Q14
C37
0.01uF
C1OSC2
9
OS2
U18A
4013
6
S
Q
74HC00
5
D
5
U17B
LT_15MM
6
3
CLK
4
Q
4
R
C2
R74
.047uF
+5V
1K
2
1
U19A
74HC74
2
D
OVP_FAIL
5
Q
3
CLK
4
R124
C7
+5V
PR
6
.047uF
Q
1M
1
2
1
CLR
OVP_FAIL
U21
C41
14060B
100pF
LT_15MM_TEST
12
7
R
Q4
C2RC
1
2
5
Q5
C2P1
11
4
PI
Q6
LONG_FAIL
R64
6
Q7
1M
14
Q8
13
Q9
1
2
15
R123
Q10
C2OSC1
10
1
1M
R65
261K
OS1
Q12
2
Q13
C42
3
C2OUT
Q14
0.033uF
C2OSC2
9
OS2
U18B
8
S
Q
9
D
11
CLK
Q
10
R
+5V
U18_TEST
4013
U19B
1
2
74HC74
R73 1K
12
D
WD_FAIL
9
Q
11
CLK
10
/RES
PR
8
Q
1
2
U19_CLR_TEST
13
CLR
R72
1K
+2VA
R77
68.1K
1
2
R78
68.1K
1
2
FAILSAFES / TEMPERATURE
U22B
NE5234
5
+
7
6
-
R83
68.1K
1
2
R85
68.1K
1
2
STRANS
R118
100K
B
C
+5V
C36
.047uF
74HC02
2
/INFLAT
1
U14A
3
+5V
C1
.047uF
5
C59
4
U14B
.047uF
6
1
74HC02
R125
74HC00
1M
1
U17A
INFLAT_OK
3
C1_OK
2
2
INFLATE_FAIL
8
9
10
/FAIL1
12
8
/FAIL
U14C
/FAIL
9
U17D
11
FAIL
10
U17C
/FAIL2
13
74HC02
74HC00
74HC00
11
13
U14D
12
74HC02
TEMPERATURE POD
PAT_RES
10
PAT_PRBD
9
PRBHT
8
PAT_PROBE_0
7
PROBE_SW
PROBE_SW
6
PAT_PROBE_1
5
PRBSWGND
4
TEMP_POD_SENSE
3
PROBE_LED_ON
2
PAT_PROBE_SW
1
13
+5V
J1
12
R143
L11
10K
PROBE_SW
PAT_PROBE_SW
R145
1
2
1
2
100K
C80
PROBE_LED_ON
1
/PROBE_LED_ON
Q16
0.01uF
IRLML6402
TEMP_POD_SENSE
L10
R127
1M
L12
PRB_LED_ON
PRB_LED
2
1
R116
R144
1M
PROBE
82
CONNECTOR
C81
POD_SENSE
0.01uF
PCA
PROBE_1
PROBE_1
PROBE_0
PROBE_0
J1-A1
PROBE
C71
R146
THERMISTOR
0.01uF
/POD_SENSE
1
2
1
Q17
MMBT3904
1K
J1-B1
+5V
R108
1K
1
2
HTB1
1
Q8
/HTRQ
BCX69
+5V
HTRPWR
R109
HTAMP
D9
46.4K
3
1
2
R110
MMBD1203
46.4K
HTRQS
R111
3 MEG
R112
1K
1
2
HTE0
HTB2
1
Q9
1
2
BCX69
R114
1K
2
1
HTB0
1
Q10
HTRC2
/HTRC
MMBT5087
R115
C69
4.64K
1uF
C70
0.01uF
PROBE WARMER
C
D
Temperature Hardware
678
VREFTEMP
R98
TEMPERATURE A/D CONVERTER
4.64K
ADB1
1
2
1
AD_DC
AD_TRIGGER
AD_TRIGGER
R100
10K
1
2
ADB2
1
C63
0.01uF
RES
RES
2
1
R103
12.1K
1
D8
MMBD1203
L5
L6
1
2
1
2
Q6
BSS138
PRBGND
PTBCAL_F
1
TR3
PRBD
14V 0.4j
C65
L4
TR4
100pF
L9
14V 0.4j
Q7
BSS138
C66
PRBSEL_F
0.01uF
1
1
2
L8
L7
R107
1K
C67
100pF
+5V
This cap not populated in 678
R117
1M
C72
0.01uF
R113
46.4K
R1
L3
PRBHTR
PRBHT
1
2
2
1
2.7
160mA
160^2 * 2.7 = 71mW
REV
REVISION DESCRIPTION
D
E
REV
DESCRIPTION
ECN
INIT
DATE
A
RELEASE TO PRODUCTION
AMT41550-3
WNC
09-27-00
KNUT SPANG
CHANGE C57 TO 1uF
B
ADD R99
AMT51550-25
12-19-00
U23
RH5RE24AA-T1
+5VA
2
VIN
3
VOUT
VREFTEMP
4
NC
C332
+ C57
.047uF
1uF
VREFTEMP
Q4
MMBT5087
C58
0.33uF POLY
2
1
R99
1K
C3
0.01uF
C44
U24
+5VA
1
2
TLC555CD
C61
0.33uF Tantalum
0.01uF
R7
2
1
CTRL
5
CTRL
4.64K
3
OUT
TRG
6
THR
AD_DSCH
Q5
1
2
7
1
2
DSCH
2
TRG
MMBT2222A
R102
R101
1K
1K
C60
C62
1000PF
100pF
R104
+5VA
11.55K 0.05%
2
CALD
Q3
R105
BSS138
1K
RCAL_F
1
1
2
RCAL_SEL
C64
100pF
1
2
PTBCAL_SEL
R106
1K
PROBE_SEL
WELCH ALLYN PROBE
CONNECTIONS
JI-A2
PROBE
27
HEATER
RESISTOR
J1-B2
CUT HERE
FOR
J1-B3
RECTAL
J1-A3
CUT HERE
FOR CAL
KEY
PROBE_0
PROBE_1
ORL
0
0
REC
0
1
CAL
1
0
NO PROBE
1
1
PRBD PIN1 (B1)
B1
A1
RES PIN 6 (A1)
PIN 2 (B2) GND
B2
PRBNT PIN5 (A2)
A2
PROBE_0 PIN 4 (A3)
B3
A3
PROBE_1 PIN 3 (B3)
PROBE
CONNECTOR
(TOP
VIEW)
DRAWN
DATE
WILL CUIPYLO
Welch Allyn
09-06-00
THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF WELCH ALLYN, INC.
APPROVED
DATE
AND SHALL NOT BE REPRODUCED, OR COPIED, OR USED AS A BASIS FOR SALE OR
KNUT SPANG
09-06-00
MANUFACTURE OF EQUIPMENT OR DEVICES WITHOUT WRITTEN PERMISSION.
REL TO PRODUCTION
DATE
TITLE
09-27-00
SPOT CHECK MAIN PCB
<REL TO PRODUCTION>
Size
DWG NO
Copyright
D
Sheet
1
of
3
ECN
INIT
DATE
APPRV
Wednesday, February 28, 2001
421102
E
APPROVAL
5
AD_OUT
4
3
2
1
Rev
B
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