Main Pcb - Kenmore RFP74KB Series Service Manual

10. Disassemble/Assemble Procedures

10-10. Main PCB

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