Brother HL-2030 Service Manual page 67

< HL-2070N >
U7
R61
TP74 1k TP116
21
CDCC_RSTN RSTN/SIN
1-5A
C72
C104
0V
TP87 TP96
R71
24
CDCC_INTN INTN
1-5B
100
TP91
TP81
R68
22
CDCC_REQN
REQN/SOUT
1-5A
100
TP101
TP92
R73
25
CDCC_CLK CLK/SCK
1-5B
100
TP110
TP83
R64 23
CDCC_DATA DATA
1-5A
100
13
AMC
20
0V SMC
CDCC-GA
CDCC_GA
1
VDD5
VDD51
7
VDD57
C103
16
C103
VDD516
30
VDD3 VDD3
C74
15
GND15
C103
26
GND26 0V
VDD5
0
TP109 RA5
6
ACKN
1 8
5
BUSY
7
2
4
PE
3 6
3
SELECT
4 5
TP90
28
0
R93
FLTN
2
AFN
29
SELINN
27
INITN
17
STBN
0V
18
D0
19
D1
14
D2
12
D3
11
D4
10
D5
9
D6
8
D7
0V
Fig. 3-8
3-7
HL-2030/2040/2070N SERVICE MANUAL
TP93
1 8
7
2
3 6
4 5
100
RA2
TP122
RA12 100
1 8
7
2
3 6
4 5
RA6
100
8
1
2 7
TP104 3 6
5
4
VDD5
CDCC
10
ACK
11
BUSY
12
PE
13
SELECT
32
FLT
14
ATFEED
36
SELIN
31
INPRIM
1
STB
DA2 DA3
VDD5
DF5A6.8FU
DF5A6.8FU
0V
ZD1
UDZS6.8B
2
DI1
3
DI2
4
DI3
5
DI4
6
DI5
7
DI6
8
DI7
9
DI8
15
NC NC
33
NC
NC
DA4
34
NC NC
DF5A6.8FU
DF5A6.8FU
DA5
35
0V NC NC
18
VDD5
+5V
16
0V
17
0V
19
0V
20
0V
21
0V
22
0V
23
0V
24
0V
25
0V
26
0V
27
0V
28
0V
29
0V
30
0V 0V
37
IF_FG2 FG
38
FG
IF_FG3
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