Roche Diagnostics April 2007
A-64 Service manual · Version 2.0
5 Electronic diagrams 91xx pH/Electrolyte Analyzers
Electronic diagrams
SBC PCB - microprocessor - 9180, 9181
Figure A-29 SBC PCB - microprocessor - 9180, 9181
ZD5015 G
SCHEMATIC, MAIN BOARD 9180 / 9181
11 11Monday, May 03, 1999
Tit le
Size Document Number Rev
Date: Sheet
of
Q3
2N3904
SAMPLELED-
DOT5-
MISO
R99
5.1K
12
+5VA
ADDAT0
DISTR
DOT7-
SAMPLE
ADDAT3
R97
10K
12
R91
10K
1 2
DISPBF
DD[0..7]
R929
4.7K
1 2
U33
LB1256
10
18
17
16
15
14
13
12
11
9
1
2
3
4
5
6
7
8
VCC
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUTM
GND
IN1
IN2
IN3
IN4
IN5
IN6
IN7
INM
OPEN2
BZ1
PKM22EPP-4001
1
2
R93
5KPOT
13
2
SSEN
R92
1K
12
R96
1K
12
VCC
R928
4.7K
1 2
ADDATA
DD6
Q4
2N3904
ADDAT2
DSPDATA
+5VA
RESET-
DOT2-
ADHBEN-
DGND
ADCE-
TP15
1
R95
100
12
DOT4-
PRCTRL
SSEN
Q6
2N3904
ADDAT[0..7]
Q5
2N3906
VASTR
OPEN3
ADDAT7
VCC
DISPEN
DD5
VCC
ADSEL0
R87
150
12
VCC
U36
74HC594
14
11
10
12
13
15
1
2
3
4
5
6
7
9
SER
SRCLK
SRCLR
RCLK
RCLR
QA
QB
QC
QD
QE
QF
QG
QH
QH'
PGND
DD4
R88
4.7K
12
DD1
DD7
R94
1K
1 2
SCK
U30D
1489
13 11
12
DOT1-
CONTRAST
DD3
ADCTRL
ADDAT6
+5VA
VCC
U37
74HC594
14
11
10
12
13
15
1
2
3
4
5
6
7
9
SER
SRCLK
SRCLR
RCLK
RCLR
QA
QB
QC
QD
QE
QF
QG
QH
QH'
VACTRL
DD2
+
-
U39A
LF353
3
2
1
84
U34
74HC594
14
11
10
12
13
15
1
2
3
4
5
6
7
9
SER
SRCLK
SRCLR
RCLK
RCLR
QA
QB
QC
QD
QE
QF
QG
QH
QH'
DD[0..7]
DISPR/W-
DD0
VCC
OPEN1
OPEN4
ADLBEN-
R931
1.5K
1 2
DOT3-
A
ADDAT1
R930
4.7K
1 2
+5VA
PGND
R98
10K
1 2
"SS"
ADDAT5
R90
1K
12
R102
10K
1 2
DOT6-
-5VA
"SS ADJ."
VCC
BUZZER
ADSEL1
U38
74HC165
10
11
12
13
14
3
4
5
6
2
15
1
9
7
SER
A
B
C
D
E
F
G
H
CLK
INH
SH/LD
QH
QH
PRSTR
ADSEL2
PRINTVCC
MOSI
ADDAT[0..7]
DATA/INST-
V+
VCC
U35
74HC595
14
11
10
12
13
15
1
2
3
4
5
6
7
9
SER
SRCLK
SRCLR
RCLK
G
QA
QB
QC
QD
QE
QF
QG
QH
QH'
ADOSTR
MOTOR-
ADISTR
ADRUN
OPEN5
GND
ADDAT4
To Next Page
Loading...
