Partner SP-820 Service Manual page 60

Jumper
JP2
(COM3 Power Select Jumper)
JP3
(COM4 Power Select Jumper)
JCMOS1
(Clear CMOS Jumper)
J1
(CN2 USB Power Select Jumper)
52 C H A P T E R 4 L O C A T I N G T H E P R O B L E M
Setting
1-2 Close 5V
3-4 Close RING
5-6 Close 12V
1-2 Close 5V
3-4 Close RING
5-6 Close 12V
1-2 Close Keep Data
2-3 Close Clear CMOS
1-2 Close 5V
2-3 Close 3.3V
Description