8-5. Main PCB
- Basic Model
1
6
3
2
5
4
NO | ITEM |
|
|
|
|
| CHECK POINT |
| REMARK |
| ||
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
1 | Compensation of |
|
|
|
|
|
| * Used when making |
|
|
| |
|
| J1 |
|
|
|
|
|
| ||||
| Weak Refrigeration |
|
|
|
|
| to compensate for weak refrigeration |
|
|
| ||
| →Making |
|
| J2 |
|
|
| without changing FCP temp. setting. |
|
|
| |
| cooler |
|
|
|
|
| ▷Cutting of J1 ; down by 1.5℃ |
|
|
| ||
|
|
|
|
|
|
|
| ▷Cutting of J1, J2 ; down by 3℃ |
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
2 | Relay Power | * To check normal voltage of each electrical devices |
|
|
| |||||||
| Controller |
| to & from |
|
|
|
|
|
|
| ||
|
| ▷Check input & output voltage of MICOM and IC7 |
|
|
| |||||||
3 | Fan Power |
|
|
|
|
| * To check input & output voltage of Fan |
|
|
| ||
| Controller |
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
| ▷#2 : Input |
|
|
|
|
|
| F | R | C |
|
|
| ▷#5 : Output |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
4 | Electric Current Fuse | * To check when each device does not work (250V,3.15A) |
|
|
| |||||||
|
|
|
|
|
|
|
|
|
|
| ||
5 | Time Shortening | * To shorten time in PCB checkup |
|
|
| |||||||
| Switch | (Pressing 1 time is regarded as 1 minute has passed.) |
|
|
| |||||||
|
|
|
|
|
|
|
|
|
|
| ||
6 | Regulator IC(5V) | * To check voltage of MICOM and IC |
|
|
| |||||||
|
| Voltage check of IC#6 (Input :12V,Output : 5V) |
|
|
| |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
49