Rom - Brother HL 5030 - B/W Laser Printer Service Manual

CHAPTER 3 THEORY OF OPERATION
1.3.5

ROM

A 8Mbit ROM (x 16bit) is fitted. (HL-5030)
A 32Mbit ROM (x 16bit) is fitted. (HL-5040)
A 64Mbit ROM (x 16bit) is fitted. (HL-5050)
<HL-5030/5040/5050>
FLASH PIN
TOSHIBA
FUJITSU
FUJITSU
DL
LV
type
Mirror
PIN 64M
9 A21 A19
13 ACC A21
14 WP WP/ACC
15 A19 RY/BY
47 Vccq Byte
MASK ROM PIN
SAMSUNG
/MXIC
PIN 128M 64M
11 A19 A19
12 A21 A21
13 A20 A20
36 A22 NC
A 64Mbit ROM (x 16bit) is fitted. (HL-5070N)
<HL-5070N>
FLASH PIN
TOSHIBA
FUJITSU
FUJITSU
DL
type
LV
type
Mirror
PIN 64M 64M
9 A21 A19
13 ACC A21
14 WP WP/ACC
15 A19 RY/BY
47 Vccq Byte
MASK ROM PIN
SAMSUNG
/MXIC
PIN 128M 64M
11 A19 A19
12 A21 A21
13 A20 A20
36 A22 NC
6A/6C/7F/3-2E/3-3D/4-6E/3-3C/7A/7B/3-2D
ADR[22]
ADR[20]
OKI OKI
ADR[1]
P2ROM P2ROM
type
32M 16M 8M
64M 32M ADR[2]
64M
ADR[3]
A19 A19 NC A19 A19
ADR[4]
NC NC NC A21 NC
ADR[5]
NC NC NC NC
WP/ACC
ADR[6]
RY/BY RY/BY RY/BY NC NC
ADR[7]
Byte Byte Byte Byte Byte
ADR[8]
ADR[9]
ADR[10]
ADR[11]
ADR[12]
SAMSUNG
MXIC MXIC ADR[13]
non-page
non-page
ADR[14]
32M 32M 8M
ADR[15]
A19 A19 NC
ADR[16]
Vss Vss Vss
ADR[17]
A20 A20 NC
ADR[18]
Vss NC NC
ADR[19]
ADR[20]
ADR[21]
ADR[22]
ADR[23-1]
7A/7C/7F/3-2E/3-4D/3-4C/8A/8B/3-2D
ADR[22]
ROMCSN0
4C/7D/4-7D
ADR[20]
VDD3
0V
ADR[1]
ADR[2]
OKI OKI
P2ROM P2ROM ADR[3]
32M 16M 8M
64M 32M
ADR[4]
A19 A19 NC A19 A19 ADR[5]
NC NC NC A21 NC ADR[6]
NC NC NC NC ADR[7]
WP/ACC
RY/BY RY/BY RY/BY NC NC ADR[8]
Byte Byte Byte Byte Byte
ADR[9]
ADR[10]
ADR[11]
ADR[12]
ADR[13]
ADR[14]
MXIC
SAMSUNG
MXIC
ADR[15]
non-page
non-page
ADR[16]
32M 32M 8M
ADR[17]
A19 A19 NC
ADR[18]
Vss Vss Vss
ADR[19]
A20 A20 NC
ADR[20]
Vss NC NC
ADR[21]
ADR[22]
ADR[23-1]
FLASH for MAIN PROGRAM
U7
26 37
CE VCC
ROMCSN0
5C/8D
11
IOWEN WE
5C
28 27
IORDN OE VSS-27
TP48
5C/8D
15 46
RY/BY VSS-46
R86 0
47
BYTE
12
VDD3 RESET
TP50
C80
13
0V
NC
C103
25
A0
24 14
A1 WR/ACC
23
A2
22
A3
21 29
A4 DQ0
20 31
A5 DQ1
19 33
A6 DQ2
18 35
A7 DQ3
8 38
A8 DQ4
7 40
A9
DQ5
6 42
A10 DQ6
5 44
A11 DQ7
4 30
A12 DQ8
3 32
A13 DQ9
2 34
A14 DQ10
1 36
A15 DQ11
48 39
A16 DQ12
17 41
A17 DQ13
16 43
A18
DQ14
TP49
R74
0
9 45
A19 DQ15/A-1
10
A20
R75
0
MBM29DL324BE-90TN
DATA[15-0]
3B/8F/3-6A
Fig. 3-10
FLASH for MAIN PROGRAM
@U10
26 37
CE VCC VDD3
4C/7D
11
WE
IOWEN
C110
4C/4-7D
28 27
IORDN OE VSS-27
TP48
C103
15 46
RY/BY VSS-46 0V
@R111 0
47
BYTE
@R109
0
12
RESET
TP50
@C111
@R108
13 0
NC
C104
25
A0
24 14
A1 WR/ACC VDD3
23
A2
22
A3
21 29 DATA[0]
A4 DQ0
DATA[1]
20 31
A5 DQ1
DATA[2]
19 33
A6 DQ2
DATA[3]
18 35
A7 DQ3
DATA[4]
8 38
A8 DQ4
7 40 DATA[5]
A9 DQ5
DATA[6]
6 42
A10
DQ6
DATA[7]
5 44
A11 DQ7
DATA[8]
4 30
A12 DQ8
DATA[9]
3 32
A13 DQ9
2 34 DATA[10]
A14 DQ10
DATA[11]
1 36
A15
DQ11
DATA[12]
48 39
A16 DQ12
DATA[13]
17 41
A17 DQ13
DATA[14]
16 43
A18 DQ14
TP49
@R98
9 45 DATA[15]
A19 DQ15/A-1
0
10
A20
@R101
MBM29DL324BE-90TN
0
DATA[15-0]
2B/8F/3-6A
5F/6A/6C/3-2E/3-3D/4-6E/3-3C/7A/7B/3-2D
Fig. 3-11
3-8
R77
ADR[22]
0
R96
ADR[23]
0
U6
24
VDD3
CE
ROMCSN0
5C/6D
C79
27
IORDN OE
C103
5C/6D
0V
0
R83
VDD3 1
VDD3 BHE
R80
0
ADR[1]
23
VDD3
A0
ADR[2]
22
A1
ADR[3]
21
A2
DATA[0]
ADR[4]
20
A3
DATA[1]
ADR[5] 19
A4
DATA[2]
ADR[6]
18
A5
DATA[3]
ADR[7] 17
A6
DATA[4]
ADR[8]
16
A7
DATA[5]
ADR[9]
10
A8
DATA[6]
ADR[10]
9
A9
DATA[7]
ADR[11]
8
A10
DATA[8]
ADR[12]
7
A11
DATA[9]
ADR[13]
6
A12
DATA[10]
ADR[14] 5
A13
DATA[11]
ADR[15]
4
A14
DATA[12]
ADR[16] 3
A15
DATA[13]
ADR[17]
2
A16
DATA[14]
ADR[18]
15
A17
DATA[15]
ADR[19]
14
A18
ADR[20]
11
A19
DQ15/A-1
ADR[21]
13
A20
K3N6V1000D
ADR[23-1]
6F/7A/7C/
3-2E/3-4D/
3-4C/8A/8B/3-2D
ADR[22]
ADR[23]
24
ROMCSN0
4C/6D
27
IORDN
4C/6D/4-7D
VDD3
1
VDD3
ADR[1]
23
ADR[2]
22
ADR[3]
21
ADR[4]
20
ADR[5]
19
ADR[6]
18
ADR[7]
17
ADR[8]
16
ADR[9]
10
ADR[10]
9
ADR[11]
8
ADR[12]
7
ADR[13]
6
ADR[14]
5
ADR[15]
4
ADR[16]
3
ADR[17]
2
ADR[18]
15
ADR[19]
14
ADR[20]
11
ADR[21]
13
ADR[23-1]
TP1
MASK ROM
TP2
37
VDD3
VCC-37
38
VCC-38
R76
12
VSS-12
C81
0
25
VSS-25
C103
26
VSS-26
R95
36
VSS-36
C82
0
47
VSS-47 C103
48
0V
VSS-48
28 DATA[0]
DQ0
30 DATA[1]
DQ1
32 DATA[2]
DQ2
DATA[3]
34
DQ3
39 DATA[4]
DQ4
DATA[5]
41
DQ5
43 DATA[6]
DQ6
DATA[7]
45
DQ7
29 DATA[8]
DQ8
31 DATA[9]
DQ9
33 DATA[10]
DQ10
35 DATA[11]
DQ11
DATA[12]
40
DQ12
42 DATA[13]
DQ13
DATA[14]
44
DQ14
46 DATA[15]
DATA[15-0]
3B/7F/3-6A
MASK ROM
TP51
@R106
0
TP52
@R120
0
@U9
37
CE VCC-37 VDD3
38
VCC-38
@R105
12
OE VSS-12
0
25
VSS-25
26
VSS-26
@R117
36
BHE VSS-36
0
47
VSS-47
48
VSS-48 0V
A0
A1
A2
A3
28 DATA[0]
A4 DQ0
DATA[1]
30
A5 DQ1
DATA[2]
32
A6 DQ2
DATA[3]
34
A7 DQ3
DATA[4]
39
A8 DQ4
41 DATA[5]
A9 DQ5
DATA[6]
43
A10
DQ6
DATA[7]
45
A11 DQ7
DATA[8]
29
A12 DQ8
DATA[9]
31
A13 DQ9
33 DATA[10]
A14 DQ10
DATA[11]
35
A15
DQ11
DATA[12]
40
A16 DQ12
DATA[13]
42
A17 DQ13
DATA[14]
44
A18 DQ14
46 DATA[15]
A19 DQ15/A-1
A20
K3N6V1000D
DATA[15-0]
2B/6F/3-6A