Trioâ„¢ Service Manual 0070-10-0591-01 4 - 3
Repair Information Introduction
FIGURE 4-1 Trio Signal Connection Diagram (Masimo SET®)
CPU BOARD 0671-00-0236 or 0671-00-0056
TFT LCD DISPLAY 0160-00-0075
KEYPAD
0671-00-0237 or 0671-00-00641
2
3
POW ER INPUT
250V /5A
1
12V
GN D
5V
AC 2
AC 1
GN D
BCON
PC O
N
SD A
SC L
KT X D
GN D
5V
12V
GN D
12V
GN D
5V
KR X D
PL ED
GN D
BCON
PCON
SD A
SCL
PL ED
GN D
GN D
KR X
D
GN D
5V
GN D
12V
KT X
D
12V
12V
GN D
GN D
12V
NRx D
NT x D
12V
ETx D
ERx D
GN D
12V
RRx D
RTx D
GN D
RRx D
RTx D
GN D
GN D
12V
NRx D
NT x D
Pum p
ETx D
ERx D
GN D
12V
DC /DC
SH
V -IN
L L-IN
L A-IN
RA-IN
RL
ECG CABLE ASS'Y 0012-00 1465
SH
V -IN
L L-IN
L A-IN
RA-IN
RL
AG 1
T2
AG 1
T1
SINGLE TEMP CABLE ASS'Y
AG 1
T2
AG 1
T1
1
2
FA N 0119-00-0197
GN D
18V
3.96x 3
GN D
0-
2-
GN D
CK +
VCC
GN D
GN D
2+
GN D
0+
1-
1+
VCC
CK -
/T E
5V
GN D
GN D
CL K
NC
DCL
K
GN D
/B K
NC
PP5
PP7
DS O
GN D
PP4
PP6
/R ST
VCC
GN D
DS I
FG ND
BV-
BV+
MR ST
MR ST
PO N
PL ED
PO N
PL ED
2.0x8
+18V
GN D
2.54x 4
2.0x 2
GN D
SCON
GN D
SCON
1
1
1
1
11
1
1
1
1
1
1
1
1
1
2.0x4
ST xD
SR xD
GN D
12V
DC /DC
1
2.0x 4
ST xD
SRxD
GN D
12V
1
1
IR
RED
I+
I-
IBP CABLE ASS'Y. 0012-00-1466
B1 +
B1 -
AG
+5 V
B1 +
B1 -
Vs s
+5 V
5V
5V
5V
GN D
+18V
1
PB
1
Vb ak
Vb ak
GN D
0-
2-
GN D
CK +
VCC
GN D
GN D
2+
GN D
0+
1-
1+
VCC
CK -
1
BA TT
ERY
BD.
BV-
BV+
PB
2.0x 8
2.54x 6
2.0x 6
2.54x 6
2.0x 6
2.54x 4
2.0x 3
2.54x 8 2.54x 8
2.0x2
2.54x 2
2.0x 2
2.0x 5
2.0x 4
2.0x 4 2.54x 4
2.0x 10x2
1.25x15
2.54x 6
PE
Por t
1
GN D
GN D
NC
NC
GN D
12V
GN D
5V
BRG
12V
GN D
5V
BRG
NC
1
1
GN D
A
B
S2
GA B
GN D
VA B
ENCOD ER
A
B
S2
GA B
GN D
VA B
2.0x 6
2.0x6
11
1
1
NETWORK
AG ND
RXD-
RXD+
TXD-
TXD+
2.0x5
AG ND
RXD-
RXD+
TXD-
TXD+
1
0311-00-0133
HV+
HV-
HV-
HV+
0012-00-1488
0012-00-1484
0012-00-1468
0012-00-1491
0012-00-1485
0012-00-1500
0012-00-1486
0012-00-1494
(LEAD ACID)
0012-00-1478
0012-00-1477
0012-00-1493
0012-00-1499
0012-00-1481
0012-00-1490
ST xD
SR xD
GN D
12V
ST xD
SR xD
GN D
12V
DC/D C
NC
NC
OG
ND
NC
OG
ND
RXA
0
11
2.0x4
1
2.0x6
2.0x4
NC
OG
ND
+5 V
TX A 0
NC
NC
OG ND
NC
OG ND
RXA 0
NC
D ET-
D ET+
NC
0671-00-0252
GN D
LE D +
D ET+
D ET-
LE D -
GN D
0012-00-1662
GN D
LE D +
D ET+
D ET-
LE D -
GN D
MS7 SPO2 PCB
MASIMO
MASIMO FLEX CABLE
0671-00-0243
MASIMO MS7 PLUG CONN BD.
0012-00-1492
SPEAKER ASS'Y (w/cable) 0012-00-1487
BACK LIGHT HV INVERTER
0671-00-0250
ECG/RESP/TEMP/MODULE 0671-00-0239
POWER SUPPLY BOARD 0671-00-0235
RECORDER 0161-00-0023
BACK LIGHT HV INVERTER
0671-00-0250
NET INTERFACE 0012-00-1496
NIBP MODULE 0104-00-0037
IBP MODULE 0671-00-0241
MASIMO
MS7 SPO2 ISOLATION POWER BOARD 0671-00-0246