Sharp MX-B381 / MX-B401 (serv.man9) Service Manual ▷ View online
MX-B381/B401 CIRCUIT DIAGRAM AND PARTS LAYOUT 2 – 34
MFP_RC_WE MFP_RC_OE
MFP_RC_CS0
MFP_RC_CS0
MFP_RC_WE
MFP_RCA2 MFP_RCA3 MFP_RCA4 MFP_RCA5 MFP_RCA6 MFP_RCA7 MFP_RCA8 MFP_RCA9 MFP_RCA10 MFP_RCA11
MFP_RCA13
MFP_RCA12
MFP_RCA15
MFP_RCA14
MFP_RCA16 MFP_RCA17 MFP_RCA18 MFP_RCA19
MFP_RCA0 MFP_RCA1
MFP_RCDT1
MFP_RCDT0
MFP_RCDT5
MFP_RCDT2 MFP_RCDT3 MFP_RCDT4
MFP_RCDT7
MFP_RCDT11
MFP_RCDT6
MFP_RCDT10
MFP_RCDT9
MFP_RCDT8
MFP_RCDT13
MFP_RCDT12
MFP_RCDT14 MFP_RCDT15
MFP_RCA20
MFP_RC_OE
MFP_RCA[20:0]
MFP_RCDT[15:0]
MFP_RCA2 MFP_RCA3 MFP_RCA4 MFP_RCA5 MFP_RCA6 MFP_RCA7 MFP_RCA8 MFP_RCA9 MFP_RCA10 MFP_RCA11
MFP_RCA13
MFP_RCA12
MFP_RCA15
MFP_RCA14
MFP_RCA16 MFP_RCA17 MFP_RCA18 MFP_RCA19 MFP_RCA20
MFP_RCA0 MFP_RCA1
MFP_RCDT1
MFP_RCDT0
MFP_RCDT5
MFP_RCDT2 MFP_RCDT3 MFP_RCDT4
MFP_RCDT7
MFP_RCDT11
MFP_RCDT6
MFP_RCDT10
MFP_RCDT9
MFP_RCDT8
MFP_RCDT13
MFP_RCDT12
MFP_RCDT14 MFP_RCDT15
RC_COFG1 RC_COFG0
3R3V_ECO
3R3V_ECO
3R3V_ECO
DGND
DGND
DGND
DGND
DGND
DGND
DGND
GPO_IMG_nWP
[16]
RESET_MFP
[6
,18
,24]
GPI_IMG_R
YBY
[16]
R341 X_2.2KJ
R341 X_2.2KJ
ACREASIC
I/F
VIDEO
I/F
FLAS
HROM
I/F
MFP
ASIC
IC29C
MFP
ASIC
IC29C
F_ACREDOR[0]_O
A26
F_ACREDOR[1]_O
B
26
F_ACREDOR[2]_O
C26
F_ACREDOR[3]_O
D26
F_ACREDOR[4]_O
E26
F_ACREDOR[5]_O
A27
F_ACREDOR[6]_O
B
27
F_ACREDOR[7]_O
C27
F_ACREDOG[0]_O
C24
F_ACREDOG[1]_O
D24
F_ACREDOG[2]_O
E24
F_ACREDOG[3]_O
A25
F_ACREDOG[4]_O
B
25
F_ACREDOG[5]_O
C25
F_ACREDOG[6]_O
D25
F_ACREDOG[7]_O
E25
F_ACREDO
B
L[0]_O
E22
F_ACREDO
B
L[1]_O
A23
F_ACREDO
B
L[2]_O
B
23
F_ACREDO
B
L[3]_O
C23
F_ACREDO
B
L[4]_O
D23
F_ACREDO
B
L[5]_O
E23
F_ACREDO
B
L[6]_O
A24
F_ACREDO
B
L[7]_O
B
24
F_ACRESEGO[0]_O
E21
F_ACRESEGO[1]_O
A22
F_ACRESEGO[2]_O
B
22
F_ACRESEGO[3]_O
C22
F_ACRESEGO[4]_O
D22
F_ACRECLK_O
E27
F_ACREOVS
Y
NC_N_O
E29
F_ACREOHS
Y
NC_N_O
E28
F_ACREOPROEN_O
D27
F_ACRE_READ
Y
_I
(PU)
D28
F_T_RCADDR[0]_O
AP28
F_T_RCADDR[1]_O
AK27
F_T_RCADDR[2]_O
AL27
F_T_RCADDR[3]_O
AM27
F_T_RCADDR[4]_O
AN27
F_T_RCADDR[5]_O
AP27
F_T_RCADDR[6]_O
AK26
F_T_RCADDR[7]_O
AL26
F_T_RCADDR[8]_O
AM26
F_T_RCADDR[9]_O
AN26
F_T_RCADDR[10]_O
AP26
F_T_RCADDR[11]_O
AK25
F_T_RCADDR[12]_O
AL25
F_T_RCADDR[13]_O
AM25
F_T_RCADDR[14]_O
AN25
F_T_RCADDR[15]_O
AP25
F_T_RCADDR[16]_O
AK24
F_T_RCADDR[17]_O
AL24
F_T_RCADDR[18]_O
AM24
F_T_RCADDR[19]_O
AN24
F_T_RCADDR[20]_O
AP24
F_T_RCADDR[21]_O
AK23
F_T_RCDATA[0]_IO
AP22
F_T_RCDATA[1]_IO
AK21
F_T_RCDATA[2]_IO
AL21
F_T_RCDATA[3]_IO
AM21
F_T_RCDATA[4]_IO
AN21
F_T_RCDATA[5]_IO
AP21
F_T_RCDATA[6]_IO
AK20
F_T_RCDATA[7]_IO
AL20
F_T_RCDATA[8]_IO
AM20
F_T_RCDATA[9]_IO
AN20
F_T_RCDATA[10]_IO
AP20
F_T_RCDATA[11]_IO
AK19
F_T_RCDATA[12]_IO
AL19
F_T_RCDATA[13]_IO
AM19
F_T_RCDATA[14]_IO
AN19
F_T_RCDATA[15]_IO
AP19
F_VIODK[0]_I
B
10
F_VIODK[1]_I
C10
F_VIODK[2]_I
D10
F_VIODK[3]_I
A11
F_VIODK[4]_I
B
11
F_VIODK[5]_I
C11
F_VIODK[6]_I
D11
F_VIODK[7]_I
E11
F_VIODC_R[0]_IO
A2
F_VIODC_R[1]_IO
A3
F_VIODC_R[2]_IO
B
3
F_VIODC_R[3]_IO
A4
F_VIODC_R[4]_IO
B
4
F_VIODC_R[5]_IO
C4
F_VIODC_R[6]_IO
A5
F_VIODC_R[7]_IO
B
5
F_VIODM_G[0]_IO
C5
F_VIODM_G[1]_IO
D5
F_VIODM_G[2]_IO
A6
F_VIODM_G[3]_IO
B
6
F_VIODM_G[4]_IO
C6
F_VIODM_G[5]_IO
D6
F_VIODM_G[6]_IO
E6
F_VIODM_G[7]_IO
A7
F_VIOD
Y
_B
[0]_IO
B
7
F_VIOD
Y
_B
[1]_IO
C7
F_VIOD
Y
_B
[2]_IO
D7
F_VIOD
Y
_B
[3]_IO
E7
F_VIOD
Y
_B
[4]_IO
A8
F_VIOD
Y
_B
[5]_IO
B
8
F_VIOD
Y
_B
[6]_IO
C8
F_VIOD
Y
_B
[7]_IO
D8
F_VIOVS
Y
NCK_N_O
B
13
F_VIOVS
Y
NCC_N_O
A10
F_VIOVS
Y
NCM_N_O
E9
F_VIOVS
Y
NC
Y
_N_O
D9
F_VIOHS
Y
NCOK_N_IO
(PU)
C9
F_VIOHS
Y
NCOC_N_O
B
9
F_VIOHS
Y
NCOM_N_O
A9
F_VIOHS
Y
NCO
Y
_N_O
E8
F_VIOHS
Y
NCK_N_I
(PU)
A13
F_VIOHS
Y
NCC_N_I
(PU)
D12
F_VIOHS
Y
NCM_N_I
(PU)
C12
F_VIOHS
Y
NC
Y
_N_I
(PU)
B
12
F_VIOPOUTCLK_O
E10
F_VIOP
B
ASECLK_I
E12
F_VIOPINCLK_I
A12
F_T_TEST1_RCR
YBY
_I
(PU)
AN22
F_T_TEST0_RCWP_I
(PU)
AK22
F_T_RCWE_N_O
AL23
F_T_RCOE_N_O
AM23
F_T_RCCS_N[1]_O
AP23
F_T_RCCS_N[0]_O
AN23
F_T_RCCFG[1]_I
AM22
F_T_RCCFG[0]_I
AL22
C455
0.01uF(
B
)
C455
0.01uF(
B
)
R338 4.7KJ
R338 4.7KJ
C456
1000pF(
B
)
C456
1000pF(
B
)
R340 2.2KJ
R340 2.2KJ
R342 2.2KJ
R342 2.2KJ
C454
0.1uF(
B
)
C454
0.1uF(
B
)
R339 10KJ
R339 10KJ
IC31
LHF00L28
IC31
LHF00L28
A0
25
A1
24
A2
23
A3
22
A4
21
A5
20
A6
19
A7
18
A8
8
A9
7
A10
6
A11
5
A12
4
A13
3
A14
2
A15
1
A16
48
A17
17
A18
16
NC/A19
9
NC/A20
10
CE
26
OE
28
WE
11
WP/ACC
14
RST
12
DQ0
29
DQ1
31
DQ2
33
DQ3
35
DQ4
38
DQ5
40
DQ6
42
DQ7
44
DQ8
30
DQ9
32
DQ10
34
DQ11
36
DQ12
39
DQ13
41
DQ14
43
DQ15/A-1
45
R
Y
/BY
15
BY
TE/NC
47
NC/VCCW
13
VCC
37
GND
27
GND
46
5
5
4
4
3
3
2
2
D
D
C
C
B
B
MFPC
PWB
(MFP
ASIC
:F
la
sh
Me
mo
ry
IF)
19
/33
(2
1)
MX-B381/B401 CIRCUIT DIAGRAM AND PARTS LAYOUT 2 – 35
OCDRES_1
OCDRES_2
ODTVREF_1
ODTVREF_2
0R9V_EC_DDR2VREF
1R2V_ECO
3R3V_ECO
1R8V_EC2
1R2V_EC_MCORE
3R3V_EC_MIO
1R8V_EC_MDDR_2
1R2V_EC_MPX
3R3V_EC_MPX
1R2V_EC_MPXCORE
1R2V_EC_MDDR_2
1R8V_EC2
1R8V_EC2
1R2V_EC_MCORE
1R2V_EC_MDDR_2
1R8V_EC_MDDR_2
3R3V_EC_MIO
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
0R9V_EC_DDR2VREF
DGND
DGND
C477
0.1uF(B)
C477
0.1uF(B)
C503
0.1uF(B)
C503
0.1uF(B)
C750
0.1uF(B)
C750
0.1uF(B)
C483
0.1uF(B)
C483
0.1uF(B)
C502
10uF(2012:F)
C502
10uF(2012:F)
C738
0.1uF(B)
C738
0.1uF(B)
C471
10uF(2012:F)
C740
0.1uF(B)
C740
0.1uF(B)
C716
0.1uF(B)
C716
0.1uF(B)
C746
0.1uF(B)
C746
0.1uF(B)
C518
0.1uF(B)
C518
0.1uF(B)
R343
200F
R343
200F
R346
300F
R346
300F
C741
0.1uF(B)
C741
0.1uF(B)
C713
0.1uF(B)
C713
0.1uF(B)
C727
0.1uF(B)
C727
0.1uF(B)
L34
BLM18PG121SN1(1608)
L34
BLM18PG121SN1(1608)
C742
0.1uF(B)
C742
0.1uF(B)
L38
BLM18PG121SN1(1608)
L38
BLM18PG121SN1(1608)
C498
0.1uF(B)
C498
0.1uF(B)
C729
0.1uF(B)
C729
0.1uF(B)
C728
0.1uF(B)
C728
0.1uF(B)
L35
BLM18PG121SN1(1608)
L35
BLM18PG121SN1(1608)
C714
0.1uF(B)
C714
0.1uF(B)
C504
0.1uF(B)
C504
0.1uF(B)
C748
0.1uF(B)
C748
0.1uF(B)
C723
0.1uF(B)
C723
0.1uF(B)
C472
0.1uF(B)
C472
0.1uF(B)
C480
0.1uF(B)
C480
0.1uF(B)
CP166
CP166
C476
0.1uF(B)
C476
0.1uF(B)
C719
0.1uF(B)
C719
0.1uF(B)
C466
0.1uF(B)
C466
0.1uF(B)
C720
0.1uF(B)
C720
0.1uF(B)
C499
0.1uF(B)
C499
0.1uF(B)
L32
NFM21PC225B0J3
L32
NFM21PC225B0J3
C485
0.1uF(B)
C485
0.1uF(B)
C469
0.1uF(B)
C469
0.1uF(B)
C806
1uF(1608:B)
C715
0.1uF(B)
C715
0.1uF(B)
C505
0.01uF(B)
C505
0.01uF(B)
C457
0.1uF(B)
C457
0.1uF(B)
C734
0.1uF(B)
C734
0.1uF(B)
C487
0.1uF(B)
C487
0.1uF(B)
C721
0.1uF(B)
C721
0.1uF(B)
C733
0.1uF(B)
C733
0.1uF(B)
C749
0.1uF(B)
C749
0.1uF(B)
C510
0.1uF(B)
C510
0.1uF(B)
C717
0.1uF(B)
C717
0.1uF(B)
C737
0.1uF(B)
C737
0.1uF(B)
C473
0.1uF(B)
C473
0.1uF(B)
CP170
CP170
C735
0.1uF(B)
C735
0.1uF(B)
C516
0.1uF(B)
C516
0.1uF(B)
C531
0.1uF(B)
C531
0.1uF(B)
C492
0.1uF(B)
C492
0.1uF(B)
C486
0.1uF(B)
C486
0.1uF(B)
C488
0.1uF(B)
C488
0.1uF(B)
C722
0.1uF(B)
C722
0.1uF(B)
C501
0.1uF(B)
C501
0.1uF(B)
C515
0.1uF(B)
C515
0.1uF(B)
C459
0.1uF(B)
C459
0.1uF(B)
C744
0.1uF(B)
C744
0.1uF(B)
C512
0.1uF(B)
C512
0.1uF(B)
C753
0.1uF(B)
C753
0.1uF(B)
C807
1uF(1608:B)
C745
0.1uF(B)
C745
0.1uF(B)
C470
22uF(3216:F)
C739
0.1uF(B)
C739
0.1uF(B)
C724
0.1uF(B)
C724
0.1uF(B)
C478
10uF(2012:F)
C478
10uF(2012:F)
C496
0.1uF(B)
C496
0.1uF(B)
C747
0.1uF(B)
C747
0.1uF(B)
C511
0.1uF(B)
C511
0.1uF(B)
C507
0.1uF(B)
C507
0.1uF(B)
CP169
CP169
C513
0.1uF(B)
C513
0.1uF(B)
C517
0.1uF(B)
C517
0.1uF(B)
CP167
CP167
C491
0.1uF(B)
C491
0.1uF(B)
C743
0.1uF(B)
C743
0.1uF(B)
C462
0.1uF(B)
C462
0.1uF(B)
C754
0.1uF(B
C754
0.1uF(B
R345
300F
R345
300F
C489
10uF(2012:F)
C489
10uF(2012:F)
C736
0.1uF(B)
C736
0.1uF(B)
C732
0.01uF(B)
C732
0.01uF(B)
CP168
CP168
R344
200F
R344
200F
C490
0.1uF(B)
C490
0.1uF(B)
C474
0.1uF(B)
C474
0.1uF(B)
C494
0.1uF(B)
C494
0.1uF(B)
C506
10uF(2012:F)
C506
10uF(2012:F)
C730
0.1uF(B)
C730
0.1uF(B)
L37
BLM18PG121SN1(1608)
L37
BLM18PG121SN1(1608)
C460
0.1uF(B)
C460
0.1uF(B)
CP171
CP171
C484
0.1uF(B)
C484
0.1uF(B)
C468
0.1uF(B)
C468
0.1uF(B)
C463
0.1uF(B)
C463
0.1uF(B)
C514
0.1uF(B)
C514
0.1uF(B)
C805
1uF(1608:B)
C500
0.1uF(B)
C500
0.1uF(B)
C111
0.1uF(B)
C111
0.1uF(B)
C467
0.1uF(B)
C467
0.1uF(B)
C461
0.1uF(B)
C461
0.1uF(B)
C493
0.1uF(B)
C493
0.1uF(B)
C508
0.1uF(B)
C508
0.1uF(B)
C464
0.1uF(B)
C464
0.1uF(B)
C482
10uF(2012:F)
C482
10uF(2012:F)
C497
0.1uF(B)
C497
0.1uF(B)
C718
0.1uF(B)
C718
0.1uF(B)
C475
10uF(2012:F)
C475
10uF(2012:F)
C465
0.1uF(B)
C465
0.1uF(B)
C509
0.1uF(B)
C509
0.1uF(B)
C458
0.1uF(B)
C458
0.1uF(B)
CP165
CP165
C481
0.01uF(B)
C481
0.01uF(B)
L36
BLM18PG121SN1(1608)
L36
BLM18PG121SN1(1608)
C495
0.1uF(B)
C495
0.1uF(B)
C731
0.1uF(B)
C731
0.1uF(B)
L33
BLM18PG121SN1(1608)
L33
BLM18PG121SN1(1608)
C479
0.1uF(B)
C479
0.1uF(B)
5
5
4
4
3
3
D
C
B
A
MFPC PWB (MFP ASIC: Power & Ground)
MX-B381/B401 CIRCUIT DIAGRAM AND PARTS LAYOUT 2 – 36
1
2
_1
_2
1R8V_EC_MDDR_2
1R2V_EC_MDDR_2
1R2V_EC_MPXCORE
3R3V_EC_MPX
1R2V_EC_MPX
3R3V_EC_MIO
1R2V_EC_MCORE
1R2VA_EC_MPLL_DDR
1R2VA_EC_MPLL_HAL
1R2VA_EC_MPLL_SYS
1R2V_ECO
DGND
DGND
DGND
DGND
DGND
DGND
DGND
1R2V_ECO
C523
10uF(2012:F)
C523
10uF(2012:F)
CP178
CP178
C522
1000pF(B)
C522
1000pF(B)
CP173
CP173
C529
0.01uF(B)
C529
0.01uF(B)
C519
10uF(2012:F)
C519
10uF(2012:F)
C520
0.1uF(B)
C520
0.1uF(B)
L40
BLM18PG121SN1(1608)
L40
BLM18PG121SN1(1608)
CP177
CP177
CP175
CP175
C527
10uF(2012:F)
C527
10uF(2012:F)
L41
BLM18PG121SN1(1608)
L41
BLM18PG121SN1(1608)
754
.1uF(B)
754
.1uF(B)
C526
1000pF(B)
C526
1000pF(B)
C811
1uF(1608:B)
1uF(1608:B)
C811
1uF(1608:B)
1uF(1608:B)
L39
BLM18PG121SN1(1608)
L39
BLM18PG121SN1(1608)
MFP ASIC
IC29E
MFP ASIC
IC29E
#VDD
AA22
#VDD
AA23
#VDD
AA28
#VDD
AB20
#VDD
AB21
#VDD
AB28
#VDD
AC20
#VDD
AC21
#VDD
AG28
#VDD
AH21
#VDD
AH26
#VDD
AH27
#VDD
AH28
#VDD
AJ21
#VDD
AJ26
#VDD
AJ27
#VDD
F16
#VDD
F17
#VDD
F20
#VDD
F21
#VDD
F28
#VDD
F29
#VDD
F8
#VDD
F9
#VDD
G16
#VDD
G17
#VDD
G20
#VDD
G21
#VDD
G28
#VDD
G7
#VDD
G8
#VDD
G9
#VDD
H6
#VDD
H7
#VDD
M14
#VDD
M15
#VDD
M20
#VDD
M21
#VDD
N14
#VDD
N15
#VDD
N20
#VDD
N21
#VDD
T20
#VDD
T21
#VDD
U20
#VDD
U21
#VDD
Y22
#VDD
Y23
#VDE
AC28
#VDE
AD28
#VDE
AH19
#VDE
AH22
#VDE
AH23
#VDE
AJ19
#VDE
AJ22
#VDE
AJ23
#VDE
AJ28
#VDE
AJ29
#VDE
AK28
#VDE
AK29
#VDE
AN32
#VDE
AP31
#VDE
D29
#VDE
D30
#VDE
F12
#VDE
F13
#VDE
F18
#VDE
F19
#VDE
F24
#VDE
F25
#VDE
G12
#VDE
G13
#VDE
G18
#VDE
G19
#VDE
G24
#VDE
G25
#VDE
H4
#VDE
H5
#VDE
J4
#VDE
J5
#VDE
M16
#VDE
M17
#VDE
M18
#VDE
M19
#VDE
N16
#VDE
N17
#VDE
N18
#VDE
N19
#VDE
P16
#VDE
P17
#VDE
P18
#VDE
P19
#VDE
V20
#VDE
V21
#VDE
W20
#VDE
W21
#VDE
Y28
#VDE
Y29
VDI_DDR_PLL
C1
VSI_DDR_PLL
D1
VDI_HAL_PLL
B31
VSI_HAL_PLL
A31
VDI_SYS_PLL
B32
VSI_SYS_PLL
A32
#VSS
A18
#VSS
A28
#VSS
AA17
#VSS
AA18
#VSS
AA19
#VSS
AA20
#VSS
AA21
#VSS
AB22
#VSS
AB23
#VSS
AC23
#VSS
AE28
#VSS
AF28
#VSS
AH24
#VSS
AH25
#VSS
AH6
#VSS
AJ24
#VSS
AJ25
#VSS
AN31
#VSS
B18
#VSS
C2
#VSS
C28
#VSS
D2
#VSS
F10
#VSS
F11
#VSS
F14
#VSS
F15
#VSS
F22
#VSS
F23
#VSS
F26
#VSS
F27
#VSS
F4
#VSS
G1
#VSS
G10
#VSS
G11
#VSS
G14
#VSS
G15
#VSS
G22
#VSS
G23
#VSS
G26
#VSS
G27
#VSS
G4
#VSS
G5
#VSS
J6
#VSS
M13
#VSS
M22
#VSS
M23
#VSS
N22
#VSS
P12
#VSS
P13
#VSS
P14
#VSS
P15
#VSS
P20
#VSS
P21
#VSS
R14
#VSS
R15
#VSS
R16
#VSS
R17
#VSS
R18
#VSS
R19
#VSS
R20
#VSS
R21
#VSS
T14
#VSS
T15
#VSS
T16
#VSS
T17
#VSS
T18
#VSS
T19
#VSS
U14
#VSS
U15
#VSS
U16
#VSS
U19
#VSS
V14
#VSS
V15
#VSS
V16
#VSS
V19
#VSS
W14
#VSS
W15
#VSS
W16
#VSS
W17
#VSS
W18
#VSS
W19
#VSS
W22
#VSS
W23
#VSS
W28
#VSS
W29
#VSS
W30
#VSS
W31
#VSS
W32
#VSS
W33
#VSS
W34
#VSS
Y16
#VSS
Y17
#VSS
Y18
#VSS
Y19
#VSS
Y20
#VSS
Y21
%N.C
P22
%N.C
P23
%N.C
P28
%N.C
R22
%N.C
R23
%N.C
R28
%N.C
R29
%N.C
T22
%N.C
T23
%N.C
T28
%N.C
T29
%N.C
T30
%N.C
U17
%N.C
U18
%N.C
U22
%N.C
U23
%N.C
U28
%N.C
U29
%N.C
U30
%N.C
U31
%N.C
V17
%N.C
V18
%N.C
V22
%N.C
V23
%N.C
V28
%N.C
V29
%N.C
V30
%N.C
V31
%N.C
AE4
C528
0.1uF(B)
C528
0.1uF(B)
C530
1000pF(B)
C530
1000pF(B)
MFP ASIC
IC29D
MFP ASIC
IC29D
#EX_VDN
D33
#EX_VDN
D34
#EX_VDN
G31
#EX_VDN
G32
#EX_VDN
H30
#EX_VDN
H31
#EX_VDN
H32
#EX_VDN
P30
#EX_VDN
P31
#EX_VDN
R30
#EX_VDN
R31
#EX_VDN
T31
#EX_VDN
V32
#EX_VDN
V33
#EX_VDN
V34
#EX_VDP
L29
#EX_VDP
L30
#EX_VDP
M29
#EX_VDU
K31
#EX_VDU
K32
#EX_VDU
M31
#EX_VDU
M32
#SSTL18_VDD
AA12
#SSTL18_VDD
AA13
#SSTL18_VDD
AB14
#SSTL18_VDD
AB15
#SSTL18_VDD
AC14
#SSTL18_VDD
AC15
#SSTL18_VDD
AC7
#SSTL18_VDD
AD7
#SSTL18_VDD
AG6
#SSTL18_VDD
AG7
#SSTL18_VDD
AH11
#SSTL18_VDD
AH12
#SSTL18_VDD
AH13
#SSTL18_VDD
AH14
#SSTL18_VDD
AH20
#SSTL18_VDD
AH8
#SSTL18_VDD
AJ13
#SSTL18_VDD
AJ14
#SSTL18_VDD
AJ20
#SSTL18_VDD
AJ7
#SSTL18_VDD
AJ8
#SSTL18_VDD
G6
#SSTL18_VDD
L6
#SSTL18_VDD
L7
#SSTL18_VDD
M6
#SSTL18_VDD
M7
#SSTL18_VDD
R12
#SSTL18_VDD
R13
#SSTL18_VDD
U7
#SSTL18_VDD
V7
#SSTL18_VDD
Y12
#SSTL18_VDD
Y13
#SSTL18_VDE
AA5
#SSTL18_VDE
AB16
#SSTL18_VDE
AB17
#SSTL18_VDE
AB18
#SSTL18_VDE
AB19
#SSTL18_VDE
AB5
#SSTL18_VDE
AC16
#SSTL18_VDE
AC17
#SSTL18_VDE
AC18
#SSTL18_VDE
AC19
#SSTL18_VDE
AC5
#SSTL18_VDE
AC6
#SSTL18_VDE
AD5
#SSTL18_VDE
AD6
#SSTL18_VDE
AE5
#SSTL18_VDE
AF5
#SSTL18_VDE
AH17
#SSTL18_VDE
AH18
#SSTL18_VDE
AJ11
#SSTL18_VDE
AJ12
#SSTL18_VDE
AJ17
#SSTL18_VDE
AJ18
#SSTL18_VDE
AK10
#SSTL18_VDE
AK11
#SSTL18_VDE
AK12
#SSTL18_VDE
AK15
#SSTL18_VDE
AK16
#SSTL18_VDE
AK17
#SSTL18_VDE
AK18
#SSTL18_VDE
AK9
#SSTL18_VDE
AL15
#SSTL18_VDE
AL17
#SSTL18_VDE
AL18
#SSTL18_VDE
K4
#SSTL18_VDE
K5
#SSTL18_VDE
L4
#SSTL18_VDE
L5
#SSTL18_VDE
M4
#SSTL18_VDE
M5
#SSTL18_VDE
N4
#SSTL18_VDE
N5
#SSTL18_VDE
P4
#SSTL18_VDE
P5
#SSTL18_VDE
R6
#SSTL18_VDE
R7
#SSTL18_VDE
T12
#SSTL18_VDE
T13
#SSTL18_VDE
T6
#SSTL18_VDE
T7
#SSTL18_VDE
U12
#SSTL18_VDE
U13
#SSTL18_VDE
V12
#SSTL18_VDE
V13
#SSTL18_VDE
W12
#SSTL18_VDE
W13
#SSTL18_VDE
W6
#SSTL18_VDE
W7
#SSTL18_VDE
Y6
#SSTL18_VDE
Y7
F_VREF_1_I
U3
F_VREF_2_I
U4
F_VREF_3_I
V3
F_VREF_4_I
V4
F_VREF_5_I
AM13
F_VREF_6_I
AL13
F_VREF_7_I
AM14
F_VREF_8_I
AL14
F_OCDRES_1_O
U2
F_OCDRES_2_O
AN13
F_ODTVREF_1_O
U1
F_ODTVREF_2_O
AP13
#SSTL18_VSS AA14
#SSTL18_VSS AA15
#SSTL18_VSS AA16
#SSTL18_VSS AA6
#SSTL18_VSS AA7
#SSTL18_VSS AB12
#SSTL18_VSS AB13
#SSTL18_VSS AB6
#SSTL18_VSS AB7
#SSTL18_VSS AC12
#SSTL18_VSS AC13
#SSTL18_VSS AE6
#SSTL18_VSS AE7
#SSTL18_VSS AF6
#SSTL18_VSS AF7
#SSTL18_VSS AG5
#SSTL18_VSS AH10
#SSTL18_VSS AH15
#SSTL18_VSS AH16
#SSTL18_VSS AH5
#SSTL18_VSS AH9
#SSTL18_VSS AJ10
#SSTL18_VSS AJ15
#SSTL18_VSS AJ16
#SSTL18_VSS AJ9
#SSTL18_VSS AK13
#SSTL18_VSS AK14
#SSTL18_VSS AK7
#SSTL18_VSS AK8
#SSTL18_VSS AL6
#SSTL18_VSS AL7
#SSTL18_VSS AL8
#SSTL18_VSS AN12
#SSTL18_VSS AN14
#SSTL18_VSS J7
#SSTL18_VSS K6
#SSTL18_VSS K7
#SSTL18_VSS M12
#SSTL18_VSS N12
#SSTL18_VSS N13
#SSTL18_VSS N6
#SSTL18_VSS N7
#SSTL18_VSS P6
#SSTL18_VSS P7
#SSTL18_VSS R2
#SSTL18_VSS R3
#SSTL18_VSS R4
#SSTL18_VSS R5
#SSTL18_VSS T3
#SSTL18_VSS T4
#SSTL18_VSS T5
#SSTL18_VSS U5
#SSTL18_VSS U6
#SSTL18_VSS V5
#SSTL18_VSS V6
#SSTL18_VSS W5
#SSTL18_VSS Y14
#SSTL18_VSS Y15
#SSTL18_VSS Y5
%N.C
A1
%N.C
A16
%N.C
A34
%N.C
AC22
%N.C
AH7
%N.C
AJ5
%N.C
AJ6
%N.C
AK5
%N.C
AK6
%N.C
AL30
%N.C
AL4
%N.C
AM3
%N.C
AM31
%N.C
AN2
%N.C
AP1
%N.C
AP33
%N.C
AP34
%N.C
B2
%N.C
B33
%N.C
B34
%N.C
C3
%N.C
C32
%N.C
C33
%N.C
C34
%N.C
D31
%N.C
D32
%N.C
D4
%N.C
E30
%N.C
E5
%N.C
F3
%N.C
F30
%N.C
F6
%N.C
F7
#EX_VSN
E31
#EX_VSN
E32
#EX_VSN
E33
#EX_VSN
F31
#EX_VSN
F32
#EX_VSN
G30
#EX_VSN
G34
#EX_VSN
H29
#EX_VSN
H33
#EX_VSN
J29
#EX_VSN
J30
#EX_VSN
J31
#EX_VSN
J32
#EX_VSN
K34
#EX_VSN
L33
#EX_VSN
L34
#EX_VSN
M34
#EX_VSN
N29
#EX_VSN
N30
#EX_VSN
N31
#EX_VSN
N32
#EX_VSN
P29
#EX_VSN
P32
#EX_VSN
P33
#EX_VSN
R32
#EX_VSN
R34
#EX_VSN
T32
#EX_VSN
U32
#EX_VSN
U33
#EX_VSU
K29
#EX_VSU
K30
#EX_VSU
M30
%N.C
G29
%N.C
H28
%N.C
J28
%N.C
K28
%N.C
L28
%N.C
M28
%N.C
N23
%N.C
N28
CP172
CP172
C524
0.1uF(B)
C524
0.1uF(B)
C525
0.01uF(B)
C525
0.01uF(B)
CP174
CP174
C521
0.01uF(B)
C521
0.01uF(B)
CP176
CP176
3
3
2
2
1
1
D
C
B
A
20/33 (22)
MX-B381/B401 CIRCUIT DIAGRAM AND PARTS LAYOUT 2 – 37
TSEC1_RXD7
TSEC1_RXD6
TSEC1_RXD5
TSEC1_RXD4
TSEC1_RXD3
TSEC1_RXD2
TSEC1_RXD1
TSEC1_RXD0
TSEC1_TXD0
TSEC1_TXD1
TSEC1_TXD2
TSEC1_TXD3
TSEC1_TXD4
TSEC1_TXD5
TSEC1_TXD6
TSEC1_TXD7
CMODE0
CMODE1
CMODE2
CMODE3
CMODE4
CMODE0
CMODE3
CMODE2
CMODE1
CMODE4
1R2VREG
3R3V
3R3V
3R3V
3R3V
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
TSEC1_RXD[7:0]
[12]
EC_MDIO
[12]
EC_MDC
[12]
GTX_CLK125
[12]
PHY_INT_N
[8]
TSEC1_CRS
[12]
TSEC1_COL
[12]
TSEC1_RX_CLK
[12]
TSEC1_RX_ERR
[12]
TSEC1_RX_DV
[12]
TSEC1_TX_CLK
[12]
TSEC1_GTXCLK
[12]
TSEC1_TXD[7:0]
[7,12]
TSEC1_TX_ERR
[7,12]
TSEC1_TX_ENB
[12]
GPHY_RST
[8]
CP179
CP179
CP635
CP635
C554
0.01uF(B)
C554
0.01uF(B)
10K
47K
Q17
DTC114YUB
Q17
DTC114YUB
E
B
C
R356
2.26KF
R356
2.26KF
L43
BLM18PG121SN1(1608)
L43
BLM18PG121SN1(1608)
R355
0J
R355
0J
CP159
CP159
R348
X_47KJ
R348
X_47KJ
C634
10uF(2012:F)
C634
10uF(2012:F)
CP639
CP639
R365
22J
R365
22J
C600
0.1uF(B)
C600
0.1uF(B)
GP17
GP17 GP18
GP18
CP597
CP597
R354
0J
R354
0J
C662
0.1uF(B)
C662
0.1uF(B)
L45
BLM18PG121SN1(1608)
L45
BLM18PG121SN1(1608)
X8
SG-310SCF_50ppm_25MHz
X8
SG-310SCF_50ppm_25MHz
ST
1
GND
2
OUT
3
VDD
4
R364
4.7KJ
R364
4.7KJ
R347
0J
R347
0J
R353
X_47KJ
R353
X_47KJ
R363
0J
R363
0J
R477
1J
R477
1J
R351
22.6KF
R351
22.6KF
C553
0.1uF(B)
C553
0.1uF(B)
R349
X_47KJ
R349
X_47KJ
CP262
CP262
CP396
CP396
CP261
CP261
VSC8641 Control
IC32C
VSC8641_EP-LQFP
VSC8641 Control
IC32C
VSC8641_EP-LQFP
XTAL2
94
XTAL1(RefClk)
95
PLLMODE
71
NRESET
12
MDINT
16
MDC
17
MDIO
18
NSRESET
50
CMODE3
59
CMODE2
58
CMODE1
57
CMODE0
56
OSCEN/CLKOUT
66
REG_EN
67
REF_FILT
80
REF_REXT
81
NC
1
CMODE4
60
NC
2
NC
24
NC
51
NC
52
NC
72
NC
73
NC
74
NC
75
NC
76
NC
77
NC
78
NC
79
NC
96
NC
97
NC
98
NC
99
NC
100
EECLK
14
EEDAT
13
C552
1uF(1608:B)
C552
1uF(1608:B)
R350
X_47KJ
R350
X_47KJ
CP632
CP632
CP316
CP316
R362 2KF
R362 2KF
C584
0.1uF(B)
C584
0.1uF(B)
CP633
CP633
CP636
CP636
C633
1uF(1608:B)
C633
1uF(1608:B)
CP638
CP638
R357
X_47KJ
R357
X_47KJ
CP634
CP634
CP637
CP637
C541
10uF(2012:F)
C541
10uF(2012:F)
5
5
4
4
3
3
D
C
B
A
MFPC PWB (Gigabit Ethernet PHY & Trans.)
Click on the first or last page to see other MX-B381 / MX-B401 (serv.man9) service manuals if exist.