Roche 91 Series - Preheater PCB - 9110

Roche Diagnostics April 2007
A-54 Service manual · Version 2.0
5 Electronic diagrams 91xx pH/Electrolyte Analyzers
Electronic diagrams
Preheater PCB - 9110
Figure A-19 Preheater PCB - 9110
R(T)
10K @ 25C
1 2
RED
GRN
JP1
MODULAR PLUG
1
2
3
4
5
6
YEL
BLU
FOR Q1 AND Q2
R2
1.0
12
USE INSULATOR PADS
R1
1.0
12
Q2
MJE800
1 2
3
CONNECT TO BLOCK
WHT
Q1
MJE800
1 2
3
BLOCK
TP1
1
BLK
PHb.sch
ZD5009
A
SCHEMATIC, SAMPLE HEATER BLOCK
A
11Thursday , Nov ember 14, 1996
Title
Size Document Number Rev
Date: Sheet
of