JRC JMR-92 Series Field Service Manual page 134

NDC-1590
CENTRAL CONTROL UNIT
J4101
J4118
J4206
NOTE
If the CCU has 16-posintions rotary switch (0 to F), it is not
supported this VGA monitor setting.
Settings for J4303: WMRST / PWRFAIL contact output.
PWRFAIL and WMRST contact output configuration can be changed by TB1 and TB2 on the
CCU I/F circuit CMH-2406.
1. Disassemble the CCU. Divide it into Upper base and Bottom base. For further information,
see "Field Service Manual 4.3.3.2 Replacing with the CCU Repair Kit NZC-1590".
2. Set TB1 and TB2 as follows. They are on the CCU I/F circuit mounted on the Upper base.
Table. 2.5.22 TB1, TB2 settings on the CCU I/F circuit CMH-2406
J4303
PWRFAIL TB1
WMRST TB2
Chapter 2 System Configuration
J4203
J4205 J4204
Fig. 2.5.12 ID rotary switch on CCU
CCU I/F circuit CMH-2406
TB setting
1-2 short circuit
2-3 short circuit
1-2 short circuit
2-3 short circuit
J4122 J4117 J4115
J4202 J4201
J4302
J4303
Description
Normally-closed (Factory default)
Normally-open
Normally-closed
Normally-open (Factory default)
2-76
J4301