Roche Diagnostics April 2007
A-56 Service manual · Version 2.0
5 Electronic diagrams 91xx pH/Electrolyte Analyzers
Electronic diagrams
System interconnect - 9180, 9181
Figure A-21 System interconnect - 9180, 9181
R926
270K
12
TAC HO
PHASEA
R907
10K
12
DD[0..7]
PGND
DD4
PVCC
DD1
SSEN
LGSEL3
R900-R903 DO NOT PHYSICALLY EXIST
ZSCRW-JP7-2
SCREW
ZD5015 G
SCHEMATIC, MAIN BOARD 9180 / 9181
211Monday, May 03, 1999
Tit le
Size Document Number Rev
Date: Sheet
of
R901
0
1 2
CONTRAST
TBMOTEN -
ZFST-JP1-2
FASTENER2
LAMP BOARD
JP1
EZC10DRXH
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
A8
B8
A9
B9
A10
B10
VCC
AMP 745061-4
CHECK
R900 0
1 2
DOT5-
CW/CCW
JP4
CWN-300-34-0000
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
VALVEC-
YES-
CONTROL LINES
RS232OUT
PGND
VCC
R118
330
MOLEX
P+24V
DISPR/W-
TABLEPRES
R932
0
DCLOSED
R903 0
1 2
R933
0
SULLINS
PGND
+24V
PHASEB
R905
10K
12
PGND
DD6
AMP
TURNTABLE
UPNDPOS
DD3
+24V
DD[0..7]
JP3
26-60-4070
1
2
3
4
5
6
7
R935
10K
12
SAMPLE
SGND
MATES WITH MOLEX 09-50-8073
REA.
VCC
DOT1-
ZSCRW-JP7-1
SCREW
R934
10K
12
PHASED
SGND
DOT6-
R908
10K
12
NO-
DD0
DISPLAY BOARD
ND CONNECTED AT THE SHIELD
LGSEL0
PHYSICALLY INSTALLED
D24
1N4148
21
+5VA
SAMPLELED-
DOT3-
VALVE+
PRINTER
SAMPLEGND IS RUN INDIVIDUALLY
R119
330
PHASEC
JP7
DB9P
5
9
4
8
3
7
2
6
1
R933 IS NOT
VCC
ZEJ-JP5-2
EJECTOR
P-12V
SYSTEM GROUND
NOTE:
VALVEV-
LWNDPOS
DGND
ZEJ-JP4-2
EJECTOR
RTS
UPTBPOS
DD2
RS-232
CONTROL LINES
PVCC
DOT2-
RS232IN
DLED+
DOT7-
CTS
VALVEA-
NEEDLE MECHANISM
VCC
DD5
+10V
TEMP
LGSEL1
VCC
LGSEL2
D23
1N4148
2 1
A
OVERTEMP-
DOT4-
DGND
NDMOTEN-
AGND
SW1
78B04
1
2
3
4
8
7
6
5
MOTOR-
JP5
CWN-300-34-0000
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
R902 0
1 2
LANGUAGE SELECT
VCC
ZEJ-JP4-1
EJECTOR
VALVER-
PRINTVCC
LAMP+
VALVEB-
DD7
R906
10K
12
ZEJ-JP5-1
EJECTOR
DISPEN
THEY ARE TO ALLOW GROUNDS TO BE SEPARATED
LWTBPOS
R904
10K
1 2
ZFST-JP1-1
FASTENER2
JP2
62650-1
1
POWER
DATA/INST-
FEED
C82
3.3uF/50V
VCC
P+12V
ROTCLK
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