48 / 59
!
WARNING
To avoid risk of electrical shock that can cause death or severe personal injury,
disconnect unit from power before servicing unless tests require power.
23
Item
Remark
No
Check Point
Compensation for
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 MICOM.
▷
Check input & output voltage of MICOM and IC7, 8.
Fan Power
Controller
3
Electric Current Fuse
4
* To check when each device does not work (250V,4A)
Regulator IC(5V)
5
* To check voltage of MICOM and IC
Voltage check of IC5 (Input :12V,Output : 5V)
■
Model : 111.7302****
10-10. Main PCB
1
2
3
4
5
IC7
IC8
MICOM
IC5
10. Disassemble/Assemble Procedures