Main Pcb Circuit Diagram, Hl-2030/2040 (3/3) - Brother HL-2030 Service Manual

Appendix 3. Main PCB Circuit Diagram, HL-2030/2040 (3/3)
1
2
A
CDCC_GA
@U12
1
VDD51
7
VDD57
16
VDD516
30
VDD3
15
GND15
26
GND26
B
@R134
TP159
1k
21
CDCC_RSTN RSTN/SIN
1-5F
@C112
C104
0V
TP157
@R131
24
CDCC_INTN INTN
1-5F
100
TP155
6
ACKN
TP156
@R132 22 5
CDCC_REQN
REQN/SOUT BUSY
1-5F 100 4
PE
3
SELECT
TP146 TP150
@R2 25 28
CDCC_CLK CLK/SCK FLTN
1-5F
100
2
AFN
TP154
C
@R5 23 29
CDCC_DATA DATA SELINN
1-5F
100
27
INITN
17
STBN
13
AMC
20
CDCC_0V SMC
18
D0
19
D1
14
D2
12
D3
11
D4
10
D5
9
D6
8
D7
CDCC-GA
D
0V
E
F
1 2
3 4
VDD5
TP190
@C97
@L11
C103
VDD3
BLM18PG181SN1
@C143
@C100
C104
C103 (1608)
TP191
@L12
0V
BLM18PG181SN1
CDCC_0V
VDD5
VDD5
@RA4 0
1 8
2 7
3 6
4 5
@R121 0
TP148
1 8
2 7
3 6
4 5
@RA3 100
VDD5
DF5A6.8FU
0V 0V
TP161
@RA8 100
1 8
2 7
3 6
5
4
@RA7 100
1 8
2 7
TP158 3 6
4 5
DF5A6.8FU
0V
3 4
5 6
CDCC
@CN10
10
ACK
11
BUSY
12
PE
13
SELECT
32
FLT
14
ATFEED
36
SELIN
31
INPRIM
1
STB
DF5A6.8FU
@ZD5
@DA1 @DA2
UDZS6.8B
2
DI1
3
DI2
4
DI3
5
DI4
6
DI5
7
DI6
8
DI7
9
DI8
15
IF_FG2
NC NC
33
NC NC
34
NC NC
DF5A6.8FU
35
NC NC
@DA3 @DA4
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
57RE40360-730B-D29
5 6
A-3
HL-2030/2040/2070N SERVICE MANUAL
7
TP39
R8
FG1 0V
0
TP160
R133
FG2 0V
0
IF_FG
TP3
R9
FG3 0V
C101
IF_FG3 FG1
FG4
TP82
R48
FG2 IF_FG 0V
0
R47
IF_FG FG1
0
FG3
@R80
IF_FG3 IF_FG
0
@R142
0V
IF_FG2
0
CODE
NAME B512190CIR (3/3)
7
8
A
B
C
D
E
F
8
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