Brother HL-600 Service Manual page 18

(10) Engine control I/O
This I/O is for connection to the driver PCB.
solenoids, sensors, etc.
(02-07C)
(02-07C)
(02-07C)
(02-07C)
( 02-04F)
EXINT
C40
101
0V
R29 10K
+5V
(
TEST
( 02-04C)
R21
5.1K
<01> +5VI
(
R23 1K
0V
(
(
R27 1K
+5V
R26 1K
( 02-04C) RESIST
0V
(
R24 100K
(
-05D) HEATON
(02-07D) DCI(8..1)
DCI1
DCI2
DCI3
DCI4
DCI5
DCI6
DCI7
DCI8
309
C35
C32 309
0V
( -11D)
<02> ( 02-08B)
( ( -11D) ( 02-09B)
<08> -11B)
#5 UPD93094GM-3ED
2
SELIN SELIN
VCC
4
HBUSY HBUSY VCC
5
PRMINT VCC
PRMINT
18
STB STB VCC
VCC
19
EXINT
CND
24
( -08B) CND
SW1 SW1
25
( -08B) CND
SW2 SW2
CND
31
(
-08B) HAISI
HAISI CND
34
BD
CND
36
( -08C) LOCK
LOCK
CND
38
COVER
CND
39
-08B) TONER TONER
CND
CND
44
( 02-04C)
SENSE MP
VDO
20
XVDO
XVDO VON
58
MCMP1I FLT
59
-08F) MCMP1N MCMP1N PE
60
MCMP2I
ACK
61
-08F)
MCMP2N MCMP2N
SLCT
62
-07A)
HCMP1 HCMP1
BUSY
63
HCMPN WR
OPTION
69
TESASI
70
-03B) +5VI SENTAN LED0
LED1
77
TEST1
LED2
0V
78
LED3
TEST2
LED4
118
(
-02F)
AS AS
119
( -02F) PCKUP
UDS UDS
123
(
-02F) LDS
LDS
124
(
-02F) ERS
RW RW
126
( -02E)
BC
BC
CRCH
130
RES
RIO
17
SD1
16
SD2 PMA
15
SD3 PMAB
14
SD4 PMB
13
PMBB
SD5
12
SD6
11
SD7 SCANCLK
10
DRIVE
SD8
HEATON
158
XOUT
HVT
(R25)
XL1
D0DC
(1M)
CSA30.67MXZ
HVA
157
XIN
HVB
D0 117
D00
D1
116
D01 THM0
D2
115
THM1
D02
D3
114
D03
D4
113
RESERVE
D04
D5
112
D05
D6 111
D06 ROM0
D7
110
D07
ROM1
D8
109
D08
D9 108
D09 RD
D10 107
DTACK
D10
D11 106
BGACK
D11
D12
105
BR
D12
D13
104
D13 SCLK
D14 103
AVEC
D14
D15 102
D15
IPL0
101
A1
IPL1
A1
A2 100
A2 IPL2
A3 99
A3
A4 98
A4 FC0
A5 97
A5
FC1
A6 96
A6
FC2
A7 95
A7
A8 94
XCAS0
A8
A9 93
XCAS1
A9
A10 92
ICAS0
A10
A11 91
ICAS1
A11
A12 90
A12 RAS
A13 89
A13
MA0
A14 88
A14
MA1
A15 87
A15
MA2
A16 86
A16
MA3
A17 85
A17
MA4
84
A18
A18
MA5
A19 83
A19 MA6
A20 82
A20 MA7
A21 76
MA8
A21
A22 75
MA9
A22
A23 74
A23
RWU
56
NC
NC RWL
55
NC
NC ROE
( -11B) ( -11D) ( 02-09B)
<03>
Fig. 2.5
II - 6
It controls the motors,
1
+5V
40
57
81
120
C33
104
41
42
64
79
80
121
122
156
159
160
0V
32
33
3
( 02-07C)
FLT
7
( 02-07B)
PE
9
( 02-07B)
ACK
6
( 02-07B)
SLCT
8
( 02-07B)
BUSY
22
( 02-04E)
WR
23
( 02-04E)
OPTION
26
27
28
29
30
46
43
45
68
SDA ( -02B)
47
48
49
50
35
37
51
HEATON (
-02C)
53
52
54
55
66
67
71
72
(
ROM0 -11F)
73
( -01B)
SCL
21
RD ( -11F)
125
(
DTACK -01E)
127
128
( -01E)
BR
R19 100
129
SCLK ( -01E)
131
AVEC ( -01E)
134
( -01F)
IPL0
133
IPL1 ( -01F)
132
IPL2 ( -01F)
137
(
FC0 -02F)
136
(
FC1 -02F)
135
(
FC2 -02F)
139
XCAS0 (02-09B)
138
XCAS1 (02-09B)
153
(
ICAS0 -11B)
140
<02>
ICAS1
152
RAS <03>
148 MA0
146 MA1
144 MA2
142 MA3
141 MA4
143 MA5
145
MA6
147 MA7
MA8
149
MA9
150
154
<08>
RWU
155
<07>
RWL
151
<06>
ROE
<04> ( -05E) ( 02-04E)