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8-5. Main PCB
1
2
3
4
5
6
ITEM REMARKNO CHECK POINT
Compensation of
Weak Refrigeration
→Making R-temp
cooler
1
* Used when making R-temp. down
to compensate for weak refrigeration
without changing FCP temp. setting.
▷Cutting of J1 ; down by 1.5℃
▷Cutting of J1, J2 ; down by 3℃
Relay Power
Controller
2
* To check normal voltage of each electrical devices
to & from Mi-com.
▷Check input & output voltage of MICOM and IC7
Fan Power
Controller
3
* To check input & output voltage of Fan
▷#2 : Input
▷#5 : Output
Electric Current Fuse
4 * To check when each device does not work (250V,3.15A)
Time Shortening
Switch
5 * To shorten time in PCB checkup
(Pressing 1 time is regarded as 1 minute has passed.)
Regulator IC(5V)6 * To check voltage of MICOM and IC
Voltage check of IC#6 (Input :12V,Output : 5V)
J1
J2
- Basic Model
F R C