HL-5240/5250DN/5270DN/5280DW SERVICE MANUAL
A-3
Confidential
DATA[13]
DATA[5]
DATA[11]
DATA[0]
DATA[14]
DATA[6]
DATA[10]
DATA[2]
DATA[15]
DATA[12]
DATA[7]
DATA[4]
DATA[1]
DATA[8]
DATA[9]
DATA[3]
ADR[3]
ADR[4]
ADR[5]
ADR[6]
ADR[7]
ADR[8]
ADR[13]
ADR[9]
ADR[10]
ADR[16]
ADR[11]
ADR[12]
ADR[17]
ADR[20]
ADR[21]
ADR[1]
ADR[2]
ADR[4]
ADR[3]
ADR[7]
ADR[8]
ADR[6]
ADR[5]
ADR[11]
ADR[12]
ADR[13]
ADR[16]
ADR[15]
ADR[10]
ADR[14]
ADR[9]
ADR[21]
ADR[17]
ADR[23]
ADR[18]
ADR[24]
ADR[20]
ADR[23]
ADR[1]
ADR[2]
ADR[3]
ADR[4]
ADR[5]
ADR[6]
ADR[7]
ADR[8]
ADR[9]
ADR[10]
ADR[16]
ADR[14]
ADR[11]
ADR[13]
ADR[12]
ADR[15]
ADR[18]
ADR[17]
ADR[19]
ADR[22]
ADR[20]
ADR[21]
ADR[23]
ADR[22]
ADR[1]
ADR[2]
ADR[3]
ADR[6]
ADR[5]
ADR[4]
ADR[9]
ADR[8]
ADR[11]
ADR[12]
ADR[10]
ADR[7]
ADR[14]
ADR[18]
ADR[16]
ADR[17]
ADR[13]
ADR[15]
ADR[23]
ADR[19]
ADR[21]
ADR[20]
ADR[22]
DATA[0]
DATA[1]
DATA[3]
DATA[2]
DATA[5]
DATA[4]
DATA[7]
DATA[6]
DATA[9]
DATA[14]
DATA[15]
DATA[12]
DATA[8]
DATA[11]
DATA[10]
DATA[13]
ADR[19]
ADR[17]
DATA[14]
ADR[6]
DATA[1]
DATA[4]
ADR[21]
DATA[0]
ADR[19]
ADR[10]
DATA[11]
ADR[1]
ADR[5]
DATA[9]
ADR[15]
DATA[10]
ADR[9]
ADR[3]
DATA[7]
ADR[16]
ADR[8]
DATA[15]
DATA[8]
DATA[3]
DATA[12]
DATA[5]
DATA[6]
ADR[11]
ADR[4]
ADR[7]
ADR[14]
ADR[12]
ADR[13]
ADR[2]
DATA[13]
ADR[18]
DATA[2]
ADR[14]
ADR[22]
ADR[20]
@U15
MBM29PL64LM-10PCM
CE
32
WE
13
OE
34
RY/BY
17
BYTE
53
RESET
14
A0
31
A1
26
A2
25
A3
24
A4
23
A5
22
A6
21
A7
20
A8
10
A9
9
A10
8
A11
7
A12
6
A13
5
A14
4
A15
3
A16
54
A17
19
A18
18
A19
11
A20
12
A21
15
A22
2
A23
1
A24
56
A25
55
VCC
43
VSS52
52
VSS33
33
VI/0(VCCQ)
29
NC27
27
NC28
28
NC30
30
WP/ACC
16
DQ0
35
DQ1
37
DQ2
39
DQ3
41
DQ4
44
DQ5
46
DQ6
48
DQ7
50
DQ8
36
DQ9
38
DQ10
40
DQ11
42
DQ12
45
DQ13
47
DQ14
49
DQ15/A-1
51
TP424
@C251
C104
@C254
C104
+3.3V
+3.3V
+3.3V
SGND
SGND
+3.3V
SGND
+3.3V
TP321
TP380
TP379
R282
10k
R300
10k
R297
10k
R301
10k
R298
10k
R299
10k
R295
10k
R294
10k
R291
10k
R293
10k
R292
10k
SGND
+3.3V
R296
10k
R42
10k
R276
10k
R80
10k
R289
10k
R75
10k
R79
10k
R35
10k
R38
10k
R74
10k
R43
10k
R93
10k
R39
10k
R85
10k
@R305
10k
R40
10k
R76
10k
R44
10k
R87
10k
R46
10k
R36
10k
R37
10k
R48
10k
R277
10k
R304
10k
@R81
10k
R86
10k
R88
10k
@R306
10k
C54
C103
C55
C103
TP301
1-1A/2A/5A
RESET_N
TP356
TP414
TP431
TP402
TP426
TP421
TP398
TP420
TP423
TP418
TP427
TP401
TP429
TP415
TP430
TP400
TP425
TP417
TP422
TP408
TP375
TP416
TP419
TP428
TP310
TP305
TP304
TP348
TP344
TP303
TP309
TP350
TP308
TP349
TP302
TP345
TP306
TP307
TP342
TP346
@U16
MR27V12850J-034TN
CE
24
OE
27
BYTE
1
A0
23
A1
22
A2
21
A3
20
A4
19
A5
18
A6
17
A7
16
A8
10
A9
9
A10
8
A11
7
A12
6
A13
5
A14
4
A15
3
A16
2
A17
15
A18
14
A19
11
A20
13
A21
12
A22
36
VCC37
37
VCC38
38
VSS25
25
VSS26
26
VSS47
47
VSS48
48
D0
28
D1
30
D2
32
D3
34
D4
39
D5
41
D6
43
D7
45
D8
29
D9
31
D10
33
D11
35
D12
40
D13
42
D14
44
D15/A-1
46
SGND
SGND
+3.3V
U4
S-80928CLNB
VDD
2
CD
3
VSS
1
OUT
4
1-3A/2A/4-1A
IO_WR_N
1-3A
ROM0_CS_N
1-3B/4-1D
ADR[24-1]
1-1B/4-1E
DATA[15-0]
1-3A/2A/4-1A
IO_RD_N
@C253
C104
+3.3V
TP405
+3.3V
@R267 1k
1-3A
ROM1_CS_N
SGND
1-1A/5A/6E
RESET_N
1-3A/3A/4-1A
IO_RD_N
1-3A/3A/4-1A
IO_WR_N
TP404
+3.3V
1-1A/2A/6E
RESET_N
@R56
1k
@U14
MBM29PL32BM90TN-K-E1
11
WE
12
RESET
27
VSS27
37
VCC
6
A10
5
A11
25
A0
4
A12
14
WR/ACC
13
NC
46
VSS46
23
A2
24
A1
22
A3
20
A5
29
DQ0
44
DQ7
31
DQ1
33
DQ2
21
A4
19
A6
18
A7
26
CE
15
RY/BY
8
A8
7
A9
1
A15
2
A14
3
A13
48
A16
38
DQ4
35
DQ3
40
DQ5
42
DQ6
28
OE
47
BYTE
17
A17
16
A18
9
A19
10
A20
30
DQ8
32
DQ9
34
DQ10
36
DQ11
39
DQ12
41
DQ13
43
DQ14
45
DQ15/A-1
@R83
10k
R290
10k
TP312
TP455
+3.3V
+3.3V
TP413
ROM, Reset IC, Board id
56pin TSOP1
MASK ROM
(128/64Mbit)
MIRROR FLASH
(128/64Mbit)
RESET IC
ROM0
48pin TSOP1
Byte
Byte
NC
WP/ACC
NC
64M
A21
FUJITSU
RY/BY
NC
RY/BY
A19
A21
ROM1
DL
WP/ACC
Mirror
OKI
type
OKI
Byte
NC
P2ROM
64M
Vccq
A21
32M
A19
48PIN TSOP1
64M
A19
NC
NC
Byte
32M
*NC pin
Vss
Vcc
P2ROM
FUJITSU
A19
47
TOSHIBA
NC
13
NC
14
PIN
16M
FLASH PIN
ACC
WP
FLASH
(64/32Mbit)
15
A19
A19
type
RY/BY
Byte
LV
9
D
B
A
C
E
F
E
D
B
A
C
F
1
1
2
3
4
6
7
8
2
3
4
5
6
7
8
5
Appendix 1. Main PCB Circuit Diagram, HL-5240/5250DN/5270DN/5280DW (3/7)
NAME
CODE
B512210CIR (3/7)