Daewoo Rautz NC-8008EB, Service Manual, Page: 16 / 50

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Trouble Shooting Guide
Start
7-1. MECHA CONTROL(Open/Close) Abnormal
OK
Data Input of
IC501 is OK?
No
Yes
Check Connection
between Front and CD
Control Abnormal of Open/Close
No
Yes
Replace Front PCB Ass'y
Check Connection CN507
Check data waveform of VFD_DATA/STB
/CLK/DO
VFD Data is OK?
Output of
IC506 is OK?
No
Yes
Replace IC506
Replace IC501
No
Yes
Check Mechanism
Check IC501(OPEN/CLOSE)
Open/Close
Switch is OK?