Brother HL-3450CN Service Manual page 125

CHAPTER 4 STRUCTURE OF SYSTEM COMPONENTS
32) ACN3: LVPS ACN3 - MCTL POCN
Pin No.
33) ACN2: LVPS - Interlock Switch
Pin No.
34) BCN2: HVPS BCN2 - Fusing Unit
Pin No.
35) PACN: MCTL PACN - Panel (16 pins)
Pin No.
10
11
12
13
14
15
16
Signal
1 +5v-2
2 +5v-2D
3 +5v-2D
4 SGND
5 SGND
6 SGND
Signal
1 DSW-O
2 DSW-I
Signal
1 TH1
2 TH2
3 FUTEMP
4 FUCHKGND
Signal
1 PAI/ODATA0
2 PAI/ODATA1
3 PAI/ODATA2
4 PAI/ODATA3
5 PAI/ODATA4
6 PAI/ODATA5
7 PAI/ODATA6
8 PAI/ODATA7
9 LCDRS
LCDE
PASWRDN
PALEDWRN
SGND
+5v-1
LCDBLED
NC
36)37) CNDUP: Printer - Duplex Unit
Pin No.
1 D-COMMAND
2 SGND
3 DUMBUSY2-N
4 SGND
5 D-STATUS
6 SGND
7 +24VOFF-P
8 DUPCHK-N
9 DUMBUSY1-N
10 PT-1
11 DUPRES-N
12 SGND
13 NC
14 NC
15 PGND
16 PGND
17 +24v-2
18 +24v-2
19 +5v-1D
20 SGND
21 +5v-1
22 NC
23 NC
24 NC
38) DCN15: IOD1 - Toner Key Sensor
Pin No.
1 TONEROK-N
2 NC
3 SGND
4-72
Signal
Signal