Brother International HL-3400CN Service Manual - Page 113

CHAPTER 4 STRUCTURE OF SYSTEM COMPONENTS (3) Connector Pin Assignment ACN1 MoLex: 53313-2815 Pin # , Signal Name Interface 1 +5V-1 +5V-1 Output 3 +5V-1 +5V-1 Output 5 +5V-D +5V-D Output 7 +5V-D +5V-D Output 9 ACSYNC-N AC Zero-Cross Signal (Open Collector Output) 11 +24V +24V Output Corresponding to Door Switch 13 , +5V-1R , +5V through the relay when +24V-1 is shut down. 15 HON-N Heater On Signal (Pull-up required) 17 +24V-1 +24V Output through Door Switch 19 +24V-1 +24V Output through Door Switch 21 +24V-1 +24V Output through Door Switch 23 , +24V-1 , +24V Output through Door Switch 25 PGND Power Ground (+24V type ground) 27 PGND Power Ground (+24V type ground) ACN1 MoLex: 53324-0710 Pin # Signal Name Interface 1 +5V-1 +5V-1 Output 2 , +5V-D , +5V-D Output 3 SGND Signal Ground (+5V type ground) 4 +24V-2 5 +24V-2 6 , PGND 7 PGND +24V-2 Output +24V-2 Output , Power Ground (+24V type ground) Power Ground (+24V type ground) Pin # 2 4 6 8 10 12 Signal Name Interface DCOFF2-P +5V-2D OFF Signal SGND SGND , Signal Ground (+5V type ground) Signal Ground (+5V type ground) SGND Signal Ground (+5V type ground) SGND Signal Ground (+5V type ground) DCOFF1-P OFF Signal (Pull-up required) 14 ACOFF-P 16 TESTI2 18 TESTO2 20 TESTI1 22 TESTO1 24 , PGND 26 PGND 28 PGND , AC Forced Shut-down Signal (Pull-up required) Terminal for Dielectric Strength Test Terminal for Dielectric Strength Test Terminal for Dielectric Strength Test Terminal for Dielectric Strength Test . Power Ground (+24V type ground) Power Ground (+24V type ground) Power Ground (+24V type ground) ACN1 MoLex: 5277-02A Pin # Signal Name 1 DSW-O 2 DSW-I Interface +24V Output through Door switch +24V Output through Door switch ACN3 MoLex: 5566-06A Pin # Signal Name Interface 1 +5V-2 +5V-2 Output 2 +5V-2D 3 +5V-2D 4 SGND 5 SGND 6 SGND +5V-2D Output , +5V-2D Output Signal Ground (+5V type ground) Signal Ground (+5V type ground) Signal Ground (+5V type ground) 4-62