Samsung RR39M7 Series, Руководство по обслуживанию

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90
TROUBLESHOOTING
DOOR S/W works normal
(Open/Close).
MIC01 MICOM #50, #51,#52
output voltage is normal.
The voltage output
between pins CN710 # 1, # 3, # 5
and GND is normal.
Voltage Output at the
MAIN PCB Connector (CN710) is
normal (10~12V).
The LED Lamp is
connected properly.
LED Lamp is normal.
Start
Check and Replace the Reed S/W &
Magnet Ass'y.
Replace / Repair the PCB.
Replace the PCB.
Check the Connector Terminal /
Replace the PCB.
Check the Connector Terminal.
Replace the LED Lamp.
Normal
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Door & MICOM state
DOOR S/W MIC01 #1
Close 0V(Low)
Open 5V(High)
MICOM state
DOOR
F or R
#1
Close 0V(Low)
Open 5V(High)
Q710(Top), Q708(Right), Q706(Left)
Connector
CN710 #5, #6 Pin(Top),
CN710 #3, #4 Pin(Right),
CN710 #1, #2 Pin(Left)
0V(Low) 0V(Low)
5V(High) 10~12V(High)
- 1 BOARD