Sensor (Galvanic Cell Type); Printed Circuit Board (See Printed Board Diagram At The Back Of The Manual); Main Board; Aio Board - Fuji Electric ZPA Service Manual

(6) Built-in O

sensor (galvanic cell type)

2
Recommended period of replacement
Error mode
Phenomena
Check
Measures
Replacement
Adjustment after replacement
(7) Printed circuit board
(see printed board diagram at the back of the manual)
1) Main board (see Appendix 3)
Check
Check terminal
TPVC1-TPVS1
TP15-TPG1
TPN15-TPG1
TPVH1-TPVS1
TPVL1-TPVS1
Precautions on replacement:
Adjustment after replacement :

2) AIO board

(See Appendix 3.)
Adjustment after replacement :
TN5A1191-E
: 2 years
: Sensor deterioration.
: Span drift and fluctuation in indication by sensitivity deterioration.
: Same as Built-in O
shown above.or
: Same as Built-in O
: Turn OFF the analyzer main unit. Disconnect the connector, piping
and replace it with a new one.
: Perform zero and span calibration.
: Voltage check
Check voltage
+5 0.3 V
+15 0.5 V
–15 0.5 V
+3.3 0.2 V
+1.25 0.1 V
The Main board is set according to the specifications of each analyzer. When ordering,
notify analyzer serial number. So the Main board has suitable parameter in it.
Do not remove or plug the connector from or into the board with the power ON, or
electronic parts may be damaged. Before replacement, be sure to turn OFF the analyzer.
After replacement, check for the voltage shown above.
Perform contrast adjustment while viewing the LCD. Determine an easy-to-see height and
adjust contrast.
"Menu mode" "Parameter"
operating method.)
Press the switch to check that all keys are normally operated.
Output check (Adjust if output is offset.)
(Refer to the instruction manual for details of operating method.)
sensor (paramagnetic type). Refer to (5) Check
2
sensor (paramagnetic type).
2
Contents
Digital 5 V
Analog 15 V
Analog –15 V
Digital 3.3 V
Digital 1.25V
"contrast" (Refer to the instruction manual for details of
15