Welch Allyn Spot Vital Signs Service Manual page 63

A
GNDD +BAT ANALOG VOLTAGE REGULATOR
GNDD
U1
2
RESET/PG
5
IN
6
IN
THIS MESS TIES
GNDS TOGETHER. 1
SENSE/FB
/BPEN 4 7
MUST BE AT TOP
EN OUT
3 8
LEFT ON EVERY GND OUT
PAGE. THANKS
ORCAD
TPS7250Q
5
+BAT
U6
R9 8 20
IN RESET
10K
9 15
IN SENSE
10
IN
14
OUT
/BPEN
6 13
EN OUT
/BPEN 4
NC
5
NC
7
NC
11
R2 NC
12
100K NC
BPENB
BPEN 1 2 1 Q11 16
NC
MMBT3904
17 1
NC GND
18 2
NC GND
19 3
NC GND
DIGITAL VOLTAGE REGULATOR
TPS7350QPWR
4 /BPEN
+5VA
C79
.047uF
U25
Analog Reference OPA353NA
+2VREF
4
-
3
+
+5VA
+4VA
C17
4.7uF C18 XD_PS_FB
+
+5VA .047uF +2VA
R28
13.3K
U9A R29
R31 U9B
NE5234
NE5234 909
51.1K
+2V +2VREF
1 2 5
+
7 3
+
R32 6 1
-
2
+
12.1K -
3
R33
110
+2VDIV 5
C19
D2
R36 1uF R35
LM385M 100K
7.5K +4VFB
1 2
R38
C21
.047uF 1K
R37 1 2
100K
C20
0.01uF
Batt Sense Temp
+BAT +5VA
BAT SENSE
R26 TEMP SENSOR
1M (10mV / C * Temp C) + 500mV
U8
BATT
2 TEMP
Vo
R27
C16
1M
LM50B
.047uF
2
+5VX
Primary XDCR Op-Amp and DC Offset
Primary
R43
Transducer 3.83K
R45
56.2K
0mmHG = 0.5V 2 P1_2_OUT 1 2
300mmHG = 4.0V Gain
and
Comp P1_6 C28
6
.047uF
P1 C30
XFPM-050KPG-P1
0.1uF
+5VA
Offset
Zero Adjust
+/-20mmHg
C50
range
.047uF
R51 U13B
R52
1 1K
4
100K
NIBP_OFFSET_DAC NIBP /NIBP /NIBP_F
1 2 6 1 2
5
TIOCA0 Hitachi pin 95
74HC00
C34
100pF
PWM D/A
64.0KHz
A
B
MOD B
+5VA
+
C9
10uF
+5V
PROBE_SW
AD_TRIGGER
+5V
PROBE_SEL
R142
PTBCAL_SEL
10K
+
C12 R132
10uF 10K
/RES
/RES
+4VA +2VA
C77
.047uF
R15
R16
/PRINT (/BOOTSTRAP)
/PRINT
+5VA
/PROBE_LED_ON
1
PROBE_1
R136
+BAT C13 + C14
R129 10uF .047uF
10K +5V
XDPB
1 2 1
Q15
BSS84
/BP_DRAIN
R137
20
XD_DRAIN
R138
Y1
R139 4.64K
7.5K
16.000 Mhz
XD_OUT XD_BASE
1 1 2 1 Q14 C74 3 2
10PF
MMBT3906
+5VX
C73
C75 R140 R131 10PF
.047uF 15K
0
+5VA
C78
+
R141 10uF
10K
15MM
SHIELD_HOLE SHIELD_HOLE
+1VA +1VAS
SH1 SH5
1 1
1 2
SHIELD_HOLE SHIELD_HOLE
R14 1K SH2 SH6
1 1
MH2
SHIELD_HOLE SHIELD_HOLE
SH3 SH7
1
1 1
MOUNTING_HOLE
SHIELD_HOLE SHIELD_HOLE
SH4 SH8
SH15
1 1
1
SHIELD_HOLE SHIELD_HOLE
SH11 SH10 SHIELD_HOLE
1 1
SHIELD_HOLE SHIELD_HOLE SH16
SH9 SH12
1
1 1
SHIELD_HOLE
SHIELD_HOLE SHIELD_HOLE
SH14 SH13
AMUX_A1
1 1
AMUX_A2
Shield AMUX_A3
MUX
+4VA
R97
1M
U9D
NE5234
PTRANS_SUM 12
+
14 PTRANS
PTRANS
13
-
R48
237K
R53
/NIBP_FF
100K
1 2
C32
0.1uF C33
0.1uF
B
C
+5V
C5 A[1:17]
.047uF
+5V
Micro C4
.047uF
U5
NIBP_PWM_ADC 2 18 D0
PB0/TP8/TIOCA3 P40/D0
D1
3 19 37
AD_OUT PB1/TP9/TIOCB3 P41/D1 VCC
D2
4 20
/HTRC PB2/TP10/TIOCA4 P42/D2
DCLK_BB 5 21 D3 A1 25
PB3/TP11/TIOCB4 P43/D3 A0
6 23 D4 A2 24
PB4/TP12/TOCXA4 P44/D4 A1
7 24 D5 A3 23
PB5/TP13/TOCXB4 P45/D5 A2
8 25 D6 A4 22
/HTRQ
PB6/TP14/DREQ0 P46/D6 A3
TXD1_BB 9 26 D7 A5 21
PB7/TP15/DREQ1/ADTRG P47/D7 A4
27 D8 A6 20
P30/D8 A5
PUMP
93 28 D9 A7 19
PUMP PA0/TP0/TEND0/TCLKA P31/D9 A6
D10 A8
94 29 18
PA1/TP1/TEND1/TCLKB P32/D10 A7
NIBP_OFFSET_DAC D11 A9
95 30 8
PA2/TP2/TIOCA0/TCLKC P33/D11 A8
D12 A10
96 31 7
PA3/TP3/TIOCB0/TCLKD P34/D12 A9
NIBP_ADC_CLOCK 97 32 D13 A11 6
PA4/TP4/TIOCA1/A23 P35/D13 A10
98 33 D14 A12 5
RCAL_SEL
PA5/TP5/TIOCB1/A22 P36/D14 A11
VALVE 99 34 D15 A13 4
PA6/TP6/TIOCA2/A21 P37/D15 A12
CSEE 100 A14 3
PA7/TP7/TIOCB2/A20 A13
A15 2
A14
37 A1 A16 1
P11/A1 A15
TXD0 12 38 A2 A17 48
P90/TxD0 P12/A2 NC/A16
TXD1 A3
13 39
P91/TxD1 P13/A3
RXD0 A4 /ROM_CS
14 40 26
P92/RxD0 P14/A4 CE
RXD1 A5 +5V /RD
15 41 28
P93/RxD1 P15/A5 OE
DCLK0 16 42 A6 /HWR 11
P94/SCK0/IRQ4 P16/A6 WE
DCLK1 17 43 A7 FLASH_RESET 12
P95/SCK1/IRQ5 P17/A7 RESET
45 A8 BYTE 47
P20/A8 BYTE
1 2 10K +2VA_MCU 78 46 A9
P70/AN0 P21/A9
1 2 10K +4VA_MCU 79 47 A10
P71/AN1 P22/A10
80 48 A11
PROBE_0 P72/AN2 P23/A11
A12 AM29F400BB-70EC TSOP48
81 49
P73/AN3 P24/A12
A13
82 50
LONG_FAIL P74/AN4 P25/A13
A14 +5V
83 51
OVP_FAIL P75/AN5 P26/A14
84 52 A15
HTRPWR P76/AN6/DA0 P27/A15
85 53 A16
P77/AN7/DA1 P50/A16
2 PROBE_1MOD 36 54 A17
P10/A0 P51/A17
10K 77 55
AVref P52/A18
76 56 RXD1_BBMOD R21 R22 R23
AVcc P53/A19
86 10K 10K 10K
AVss
R24
87
P80/RFSH/IRQ0 FCLR
10K /RES /CS3
63 88
RESET P81/CS3/IRQ1
FLASH_RESET /CS2
1 2 10 89
RESO P82/CS2/IRQ2
62 90 /CS1
STBY P83/CS1/IRQ3
73 91 /M_FAIL 2 1
MD0 P84/CS0
74
MD1
75 R87
MD2
64 58 AMUX_A1 1K
NMI P60/WAIT
AUTO_MOD
U2 59 AMUX_A2
P61/BREQ
AMUX_A3
60
P62/BACK
H8/3042
69
P63/AS HTRQS
70 /RD
P64/RD
71 /HWR
P65/HWR
72 /LWR R133
P66/LWR
EXTAL 66
EXTAL 10K
XTAL 67
XTAL
61
CK
AUTO
AUTO
MAIN
+5VA
C51
.047uF
U10
/NIBP_CK 9 16
CLK Vcc
1
RESET
A/D Mux
1 2 AMX_A1 3 7 MX_A1
D0 Q2
1 2 AMX_A2 4 5 MX_A2
D1 Q1
1 2 AMX_A3 6 2 MX_A3
D2 Q0
11 10
D3 Q3
R39 1K
13 12
D4 Q4
R40 1K 14 15
D5 Q5
R41 1K
C22 C23 C24 8 9
GND C
100pF 100pF 100pF 10
B
MC74HC174A 11
A
6
INH
+1VA +2VA +4VA
4
STRANS X7
PTRANS
2
X6
BATT
5
X5
1
X4
12
X3
15
X2
TEMP 14
X1
+5VA/2
+5VA R42 13
X0
10K
1 2
+5VA
R44
C27 10K
.047uF
+1VA
Integrator
R50
93.1K
1 2 INT_FB
U13C
R54
9
1K /NIBP_CK
8
NIBP_ADC_CLOCK NIBP_CK
1 2 10
74HC00 1 2 PRECHG 1
R56
14.7K D3
C35 MMBD1503A
100pF
C
D
D[0:15]
+5V
R119 10K
C6 R91
.047uF R121 10K
R122 10K
RAM 1
U4
Flash D0 1
33 1
VCC
D1
11 1
VCC
29 D0 A1 5 7 D0
DQ0 A0 D0
31 D1 A2 4 8 D1
DQ1 A1 D1
33 D2 A3 3 9 D2
DQ2 A2 D2
35 D3 A4 2 10 D3
DQ3 A3 D3
38 D4 A5 1 13 D4
DQ4 A4 D4
40 D5 A6 44 14 D5
DQ5 A5 D5
42 D6 A7 43 15 D6
DQ6 A6 D6
D7 A8 D7
44 42 16
DQ7 A7 D7
D8 A9 D8
30 27 29
DQ8 A8 D8
D9 A10 D9
32 26 30
DQ9 A9 D9
34 D10 A11 25 31 D10
DQ10 A10 D10
36 D11 A12 24 32 D11
DQ11 A11 D11
39 D12 A13 21 35 D12
DQ12 A12 D12
41 D13 A14 20 36 D13
DQ13 A13 D13
43 D14 A15 19 37 D14
DQ14 A14 D14
45 D15 A16 18 38 D15
A-1/DQ15 A15 D15
15
RY/BY
/CS1
9 6 22
NC CS NC
/RD
10 41 23
NC1 OE NC1
13 /WR 17 28
NC2 WE NC2
14 /UB 40
NC3 BHE
16 /LB 39
NC4 LHE
17
NC5
IDT71016
PUMP / VALVE DRIVE
/FAIL
+5V
EEPROM
C15
.047uF
U7
6
ORG
8 PUMP
VCC
DCLK_BB 2
CK
4 RXD1_BB 1 2 RXD1_BBMOD
DO
TXD1_BB 3
DI
5 R135
GND
CSEE 1 100
CS
93C56
R92
10K VALVE
/FAIL
TP3
Module B
PWM A/D TP
Converter
R4
U11 2 0
4051
3 MUX_OUT
X
C26
.047uF
2 1
Comparator
R93
3.48K +5VA
C29
.047uF
2 1
MUX_FIL
U318
4 OPA353NA U13A
-
C53 1 /CONVERTING 1
680pF 3 3
+
U9C R47 2
3.48K
10
+ INT_OUT INT_O
8 1 2 74HC00
9
-
NE5234
1 2
C31 PWM A/D
.01uF POLY R49
Converter
464K
1 2
/AD_PRECHARGE
2
U13D
12
11
13
74HC00
REV REVISION DESCRIPTION
D
E
REV DESCRIPTION ECN INIT DATE
A RELEASE TO PRODUCTION AMT41550-3 WNC 09-27-00
CHANGE C57 TO 1uF
B ADD R99 AMT51550-25 12-19-00
10K
+5V
2
2
2
2 Address Decoding
/LWR
4
U3B 6 /LB
+5V /RD 5
74HC08
/RD 9
C10 U3C 8 /UB
.047uF /HWR
10
74HC08
/CS3 1
U3A 3 /ROM_CS /HWR 12
/CS2 2 74HC08 U3D 11 /WR
/LWR 13
74HC08
+BAT
D6
MRA4003T3
JP23
PUMP+
1
PUMP-
2
VALVE+
+5V 3
+5V VALVE-
4
PUMP / VALVE
R25
100
SNUB1
Q1B
4 SI9945DY
D1
MRA4003T3
R96
10K
REPLACE C52 WITH 0 OHM JUMPER
FOR PNEUTRONICS VALVE
C52
0.1uF Q1A
SI9945DY
1 2 VALVEAC 2
R95
33
R30 3
100K D7 R94
MMBD1503A 464K
/VALVEHOLD
Q2A
SI9945DY
2
+5V
/SAFE
R34
10K
Q2B
SI9945DY
4
RXD0
TP4 RXD0
TXD0
TXD0
TP BPEN
BPEN
TP2
AUTO
AUTO
TP
1 PROBE_SW
PROBE_SW
J308
BATTIN
1 BATTIN
BATGND
2 BATGND
CHGIN
3 CHGIN
CHGND
4 CHGND
TP1
TR1 TR2
TP
14V 0.4j 14V 0.4j
R46
1K
PWM_ADC
1 2 NIBP_PWM_ADC
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 Wednesday, February 28, 2001 D 421102 Sheet 2
ECN INIT DATE APPRV
E
APPROVAL
KNUT SPANG
5
4
3
2
1
Rev
of 3
B