Manual No. 0183B
19/29
IPC Series Service Manual
Connector
CN1: AC adaptor input
Pin No.
Function
Remarks
2
AC adaptor power source
DC 2.4 to 6.0V
3 GND
(Circuit)
4 GND
(Battery)
CN2: Battery input
Pin No.
Function
Remarks
1 GND
(Battery)
2
Battery power source
DC 2.2 to 3.2V
CN3: Not used
CN4: LCD display data output
CN5: Not used
CN6: Load cell input
Pin No.
Soldering land
Function
Remarks
1 (R)
Vcc DC5v
2 (W) GND GND
3 (G)
IN+
Approx
2.5v
4 (B)
IN-
Approx
2.5v
5 GND GND GND
Jumper
JP1: Ferrite cut
JP2: Ferrite cut
JP3: Ferrite cut
JP4: Ferrite cut
JP5: Battery GN and Circuitry GND
JP6: Filter cut
Switch
SW5: E2ROM Memory switch