Roche Diagnostics April 2007
A-42 Service manual · Version 2.0
5 Electronic diagrams 91xx pH/Electrolyte Analyzers
Electronic diagrams
System interconnect - 9110, 9120, 9130, 9140
Figure A-7 System interconnect - 9110, 9120, 9130, 9140
P8
AGND
DATA/INST-
PHASEB
DD[0..7]
JP1
EZC10DRXH
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
A8
B8
A9
B9
A10
B10
MOTOR-
R903 0
1 2
DISPEN
CHECK
LAMP BOARD
PRI NTVCC
TO LAMP BOARD J
VALVEB-
DOT1-
CONTRAST
DD7
DGND
DISPLAY BOARD
THEY ARE TO ALLOW GROUNDS TO BE SEPARATED
TAC HO
VALVEC-
DOT5-
RS232OU T
10Amp TRACE - NO VIA's ALLOWED
P-12V
PRINTER
|MB6.SCH
ZD5005
F
SCHEMATIC, MAIN BOARD 91XX
19Thursday, June 27, 2002
Tit le
Size Document Number Rev
Date: Sheet
of
DISPR/W-
DD4
R900-R903 DO NOT PHYSICALLY EXIST
JP3
26-60-4070
1
2
3
4
5
6
7
R902 0
1
DCLOSED
JP7
DB9P
5
9
4
8
3
7
2
6
1
PVCC
SYSTEM GROUND
|MB5.SCH
R904
270K_1/4W
12
mb1.sch
VCC
PHASEC
RS-232
|MB4.SCH
YES-
AMP 745061-4
PGND
VCC
DD1
A
DOT2-
SAMPLE
|MB3.SCH
SAMPLEGND IS RUN INDIVIDUALLY
PVCC
DD6
VALVEV-
DOT6-
PGND
CUT TRACE AND INSERT R904
|MB2.SCH
RS232I N
AREA.
+24V
PGND
DD3
VALVE+
PGND
|MB1.SCH
AND CONNECTED AT THE SHIELD
PHASED
P+12V
R901
0
1 2
NOTE: FOR AVL ONLY
NO-
DLED+
SGND
R900 0
1 2
LAMP+
DOT3-
|MB9.SCH
|LINK
DD0
+5VA
NOTE:
VALVER-
DOT7-
SGND
DD[0..7]
|MB8.SCH
GND
DD5
PHASEA
TO DISPLAY BOARD JP2
SAMPLELED-
TEMP
MOLEX
JP2
62650-1
1
|MB7.SCH
OVERTEMP-
P+24V
DD2
SSEN
POWER
SULLINS
+10V
FEED
CTS
DOT4-
JP5
CHR26G-ND
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
VALVEA-
AMP
RTS
JP4
CHR26G-ND
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
MATES WITH MOLEX 09-50-8073
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