Canon BJC6500 Service Manual - Page 99

Pin No., Signal, IN/OUT Function, Sensor GND

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BJC-6500 Part 5: REFERENCE J11 (Carriage ribbon cable connector) Pin No. Signal IN/OUT Function 1 DIR OUT Serial data input/output direction control signal 2 HENB3 OUT Front heater drive signal for nozzles 113-160 3 HENB2 OUT Rear heater drive signal for nozzles 113-160 4 HENB1 OUT Front heater drive signal for nozzles 1-112 5 HENB0 OUT Rear heater drive signal for nozzles 1-112 6 BENB1 OUT Signal to generate heater enable decoder outputs 7 BENB0 OUT Signal to generate heater enable decoder outputs 8 EVEN OUT Even-number nozzles select signal 9 ODD OUT Odd-number nozzles select signal 10 HALT OUT Serial data latch timing signal 11 HRSTX IN Reset signal 13 HSEL2B0 OUT Front nozzle heater select signal for lower nozzles (99- 16, 25-32, ..., 153-160) 14 HSEL2A0 OUT Rear nozzle heater select signal for lower nozzles (9- 16, 25-32, ..., 153-160) 15 HSEL1B0 OUT Front nozzle heater select signal for lower nozzles (9- 16, 25-32, ..., 153-160) 16 HSEL1A0 OUT Rear nozzle heater select signal for upper nozzles (1-8, 17-24, ..., 145-152) 12,17,19,21 LOGIC_GND ... Logic GND 18 HCLOCK0 IN/OUT Clock signal for serial data transmission 20 HDATA0 IN/OUT Serial data (left cartridge) sent in sync. with the clock signal) 22 SENSOR_GND ... Sensor GND 23 DIA0 IN Head temperature (diode) sensor's anode line 24 DIAK IN Head temperature (diode) sensor's cathode line 25 HPA OUT Home position sensor pull-up voltage 26 HPC IN Home position sensor sense signal 27 REGA OUT Print position sensor's LED drive voltage 28 REGC IN Voltage input from the print position sensor J12 (Carriage ribbon cable connector) Pin No. 1 Signal HSEL2B1 2 HSEL2A1 3 HSEL1B1 4 HSEL1A1 5,7,9,12,13,17 LGND 6 HCLOCK1 8 HDATA1 10 11 14 15 16 18,19,20 HENB5 HENB4 SNSG DIA1 DIK1 HVDD IN/OUT Function OUT Front nozzle heater select signal for lower nozzles (9- 16, 25-32, ..., 153-160) OUT Rear nozzle heater select signal for lower nozzles (9-16, 25-32, ..., 153-160) OUT Front nozzle heater select signal for lower nozzles (9- 16, 25-32, ..., 153-160) OUT Rear nozzle heater select signal for upper nozzles (1-8, 17-24, ..., 145-152) ... Head logic voltage GND IN/OUT Clock signal for serial data transmission IN/OUT Serial data (right cartridge) sent in sync. with the clock signal) OUT Front heater drive signal for nozzles 1-160 OUT Rear heater drive signal for nozzles 1-160 ... GND IN Head temperature (diode) sensor's anode line IN Head temperature (diode) sensor's cathode line OUT Head logic drive voltage REFERENCE 5-9

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J11 (Carriage ribbon cable connector)
Pin No.
Signal
IN/OUT Function
1
DIR
OUT
Serial data input/output direction control signal
2
HENB3
OUT
Front heater drive signal for nozzles 113-160
3
HENB2
OUT
Rear heater drive signal for nozzles 113-160
4
HENB1
OUT
Front heater drive signal for nozzles 1-112
5
HENB0
OUT
Rear heater drive signal for nozzles 1-112
6
BENB1
OUT
Signal to generate heater enable decoder outputs
7
BENB0
OUT
Signal to generate heater enable decoder outputs
8
EVEN
OUT
Even-number nozzles select signal
9
ODD
OUT
Odd-number nozzles select signal
10
HALT
OUT
Serial data latch timing signal
11
HRSTX
IN
Reset signal
13
HSEL2B0
OUT
Front nozzle heater select signal for lower nozzles (99-
16, 25-32, ..., 153-160)
14
HSEL2A0
OUT
Rear nozzle heater select signal for lower nozzles (9-
16, 25-32, ..., 153-160)
15
HSEL1B0
OUT
Front nozzle heater select signal for lower nozzles (9-
16, 25-32, ..., 153-160)
16
HSEL1A0
OUT
Rear nozzle heater select signal for upper nozzles (1-8,
17-24, ..., 145-152)
12,17,19,21
LOGIC_GND
...
Logic GND
18
HCLOCK0
IN/OUT
Clock signal for serial data transmission
20
HDATA0
IN/OUT
Serial data (left cartridge) sent in sync. with the clock
signal)
22
SENSOR_GND
...
Sensor GND
23
DIA0
IN
Head temperature (diode) sensor's anode line
24
DIAK
IN
Head temperature (diode) sensor's cathode line
25
HPA
OUT
Home position sensor pull-up voltage
26
HPC
IN
Home position sensor sense signal
27
REGA
OUT
Print position sensor's LED drive voltage
28
REGC
IN
Voltage input from the print position sensor
J12 (Carriage ribbon cable connector)
Pin No.
Signal
IN/OUT Function
1
HSEL2B1
OUT
Front nozzle heater select signal for lower nozzles (9-
16, 25-32, ..., 153-160)
2
HSEL2A1
OUT
Rear nozzle heater select signal for lower nozzles (9-16,
25-32, ..., 153-160)
3
HSEL1B1
OUT
Front nozzle heater select signal for lower nozzles
(9-
16, 25-32, ..., 153-160)
4
HSEL1A1
OUT
Rear nozzle heater select signal for upper nozzles (1-8,
17-24, ..., 145-152)
5,7,9,12,13,17
LGND
...
Head logic voltage GND
6
HCLOCK1
IN/OUT
Clock signal for serial data transmission
8
HDATA1
IN/OUT
Serial data (right cartridge) sent in sync. with the clock
signal)
10
HENB5
OUT
Front heater drive signal for nozzles 1-160
11
HENB4
OUT
Rear heater drive signal for nozzles 1-160
14
SNSG
...
GND
15
DIA1
IN
Head temperature (diode) sensor's anode line
16
DIK1
IN
Head temperature (diode) sensor's cathode line
18,19,20
HVDD
OUT
Head logic drive voltage
5-9
BJC-6500
Part 5: REFERENCE
REFERENCE