Sam4s ER-900 Series, Service Manual

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9 Wiring Diagram
9-8 SAM4S ER-900/SPS-300 SERIES
9-9 PRT JOINT(R/J) PBA Block Diagram
9-10 PRT JOINT(R/J) PBA Wiring connection
CN1 (PRINTER CONNECTOR )
NO SIGNAL NAME NO SIGNAL NAME
1 VPH 26 GND
2 VPH 27 GND
3 VPH 28 GND
4 VPH 29 GND
5 VPH 30 GND
6 VPH 31 TPH_LATCH
7 TPH_DATA 32 VPH
8 TPH_CLK 33 VPH
9 GND 34 VPH
10 COM#2_TXD 35 VPH
11 GND 36 VPH
12 GND 37 VPH
13 GND 38 N.C
14 GND 39 SEN_PEND(R/J)
15 TPH_STB(R/J)#6 40 PEND(R) LED
16 TPH_STB(R/J)#5 41 GND
17 TPH_STB(R/J)#4 42 SEN_COVER(R/J)
18 VDD(+3.3V) 43 N.C
19 GND(THERMISTOR) 44 FGND
20 THERMISTOR(R/J) 45 FGND
21 THERMISTOR(R/J) 46 N.C
22 TPH_STB(R/J)#3 47 MOTOUT(R/J)_~A
23 TPH_STB(R/J)#2 48 MOTOUT(R/J)_B
24 TPH_STB(R/J)#1 49 MOTOUT(R/J)_A
25 GND 50 MOTOUT(R/J)_~B
CN2 (AUTOCUT CONNECTOR)
NO SIGNAL NAME NO SIGNAL NAME
1 N.C 7 ACMOTOUT_~A
2 ACSW_SEN_LED 8 ACMOTOUT_~A
3 GND 9 ACMOTOUT_B
4 ACSW_SEN_HOME 10 ACMOTOUT_B
5 ACMOTOUT_~B 11 ACMOTOUT_A
6 ACMOTOUT_~B 12 ACMOTOUT_A
CN5 (SPOOL CONNECTOR)
NO SIGNAL NAME NO SIGNAL NAME
1 SPOOL_A 3 SPOOL_/A
2 N.C
CN6 ( MAIN B’D to PRT_R JOINT B’D CONNECTOR )
NO SIGNAL NAME NO SIGNAL NAME
1 ACMOTOUT_A 16 VPH
2 ACMOTOUT_B 17 TPH_STB#123(R)
3 ACMOTOUT_/A 18 VPH
4 ACMOTOUT_/B 19 GND
5 ACSW_SEN_IN 20 GND
6 ACSW_SEN_LED 21 THERMISTER(R/J)
7 MOTOUT(R)_/B 22 VDD33V
8 MOTOUT(R)_A 23 TPH_STB#456(R)
9 MOTOUT(R)_B 24 SEN_PRTDISCON(R)
10 MOTOUT(R)_/A 25 GND
11 SEN_COVER(R)_IN 26 TPH_CLK
12 SEN_PEND(R)_LED 27 TPH_DATA
13 SEN_PEND(R)_IN 28 VPH
14 VPH 29 SPOOL_MOT_IN
15 TPH_LATCH 30 VPRT