Main PCB | Yes | |
Is the connection loose? | ||
|
No
Main PCB
Is the voltage between No pins 2 and pin 3 of
CON5 0V or 5V?
pin2 BO pin3 BN
Receiver Voltages
Test Point |
| Ressult |
|
|
|
pin2 to pin3 |
| 0 V or 5 V |
|
|
|
Yes |
| |
Reconnect
Replace the Main PCB
Main PCB | No | Replace |
Is the voltage between | Main PCB | |
pin2 and pin4 of CON5 |
|
|
|
| |
0 V or 5 V? |
|
|
pin2 BO pin4 RD
Transmitter Voltages
Test Point | Ressult |
(1)to (2) 0 V or 5 V
Yes
After plug in,
If
Explain to the customer!
- 28 -
