Service manual

9. CONNECTOR PIN ASSIGNMENT
Service Manual BSM-4100 9.17
CNJ601 (for MP2 board)
Signal Description Signal Name Pin Number Signal Name Signal Description
Floating analog ground
+5 V floating for analog circuit
MP1 BP positive output
MP1 BP negative output
−
5 V floating for analog circuit
Reference voltage
+2.5 V exciter voltage
−
0.5 V exciter voltage
+5 V floating for analog circuit
MP1 status
Floating analog ground
MP1 common input
MP1 common input
ROM write in microprocessor
MP1 connection recognition
AEF
+5VAF
BP+_3
BP-_3
−
5VAF
VREF
EXT25
EXT05
+5VAF
MP3_SL
AEF
COM1_3
COM2_3
ROM_W_SL
GND_MP_3
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
DEF
+6VDF
MP_RXD
MP_TXD
nRST
CO2_RXD_3
CO2_TXD_3
ROM_CLK_3
ROM_DATA_3
SW_3
F_IBP_PWM
EXT_CTRL0_3
EXT_CTRL1_3
+6VDF
DEF
Floating digital ground
+6 V floating for digital circuit
MP serial data (RXD)
MP serial data (TXD)
Reset
MP1 CO2 serial data (RXD)
MP1 CO2 serial data (TXD)
MP1 EEPROM clock
MP1 EEPROM data
IBP key status
BP PWM output
MP1 exciter setting
MP1 exciter setting
+6 V floating for digital circuit
Digital ground
CNJ602 (for MP3 board)
Signal Description Signal Name Pin Number Signal Name Signal Description
Floating analog ground
+5 V floating for analog circuit
MP1 BP positive output
MP1 BP negative output
−
5 V floating for analog circuit
Reference voltage
+2.5 V exciter voltage
−
0.5 V exciter voltage
+5 V floating for analog circuit
MP1 status
Floating analog ground
MP1 common input
MP1 common input
ROM write in microprocessor
MP1 connection recognition
AEF
+5VAF
BP+_3
BP-_3
−
5VAF
VREF
EXT25
EXT05
+5VAF
MP3_SL
AEF
COM1_3
COM2_3
ROM_W_SL
GND_MP_3
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
DEF
+6VDF
MP_RXD
MP_TXD
nRST
CO2_RXD_3
CO2_TXD_3
ROM_CLK_3
ROM_DATA_3
SW_3
F_IBP_PWM
EXT_CTRL0_3
EXT_CTRL1_3
+6VDF
DEF
Floating digital ground
+6 V floating for digital circuit
MP serial data (RXD)
MP serial data (TXD)
Reset
MP1 CO2 serial data (RXD)
MP1 CO2 serial data (TXD)
MP1 EEPROM clock
MP1 EEPROM data
IBP key status
BP PWM output
MP1 exciter setting
MP1 exciter setting
+6 V floating for digital circuit
Digital ground