Panasonic CF-VEB181U Service Manual ▷ View online
EXRI1#
001:D5
EXDTR1#
001:D5
EXRTS1#
001:D5
EXSIN1#
001:D5
EXDCD1#
001:D6
EXDSR1#
001:D6
EXSOUT1
001:D5
EXCTS1#
001:D5
EZANCE101M
CA4
2
3
4
5
3
4
5
6
7
8
9
10
1
ADM211EARS-REEL
IC10
ANALOG DEVICE
SSOP28
12 C1+
14 C1-
15 C2+
16 C2-
11
VCC
13
V+
17
V-
10
GND
7 T1IN
6 T2IN
6 T2IN
20 T3IN
21 T4IN
21 T4IN
8 R1OUT
5 R2OUT
5 R2OUT
26 R3OUT
22 R4OUT
19 R5OUT
22 R4OUT
19 R5OUT
24 XEN#
2
T1OUT
3
T2OUT
1
T3OUT
28
T4OUT
9
R1IN
4
R2IN
27
R3IN
23
R4IN
18
R5IN
25
SHTDWN
SIN2
001:E4
EZANCE101M
CA1
2
3
4
5
3
4
5
6
7
8
9
10
1
RI2#
001:E4
RB715FT106
D3
A
2
A
1
C
3
SOUT2
001:E4
DTR2#
001:E5
DCD2#
001:E4
PRCOM2EN#
001:E5
VC5PR
RI232C#
001:E4
DSR2#
001:E5
EZANCE101M
CA2
2
3
4
5
3
4
5
6
7
8
9
10
1
CTS2#
001:E5
RTS2#
001:E4
R46
1K
R45
10K
C79
0.1u
B
1608
C80
0.1u
B
1608
C81
0.1u
B
B
1608
C82
0.1u
B
B
1608
C83
0.1u
B
0.1u
B
1608
7511P-09G2-04
CN914
SERIAL PORT_CN
K1FA209B0011
SUYIN
1
6
2
7
3
8
4
9
5
10
11
DTC114EETL
Q2
3
1
2
EZANCE101M
CA3
2
3
4
5
3
4
5
6
7
8
9
10
1
7511P-09G2-04
CN913
SERIAL PORT_CN
K1FA209B0011
SUYIN
1
6
2
7
3
8
4
9
5
10
11
R43
0
1608
VB5
R44
NU 1608
DCD3#
008:G6
DSR3#
008:G6
RTS3#
008:G5
CTS3#
008:G6
SIN3
008:G5
SOUT3
008:G5
DTR3#
008:G5
RI3#
008:G6
RA5
NU
4
3
2
1
3
2
1
5
15
16
16
7
6
6
8
9
13
14
14
11
12
12
10
RA6
0
4
3
2
1
3
2
1
5
15
16
16
7
6
6
8
9
13
14
14
11
12
12
10
R41
0
R42
NU
PRCOM3EN#
008:C7
GND
COM-A
CTS#
SOUT#
SOUT#
SIN#
DCD#
RI#
RTS#
DTR#
DSR#
DSR#
DCD#
DCD#
RTS#
RI#
COM-B
CTS#
DTR#
SIN#
GND
SOUT#
2003.3.11
R48,R49 added
for power source selection
2003.3.11
Trace for these highlighted lines must
be short
be short
and wide (>0.5mm)
2003.5.30 IOGND1 was changed to GND
JP11 were deleted.
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
I
J
2.5 COM Port A/B
VB3
BLM41P600SPTM00-03/E250
L28
1
2
VA3
USBEN1
001:E5;006:B8;006:D8;006:G10
VA5
VB5
XP0421300L
Q3
5
3
4
XP0421300L
Q3
6
2
1
FDW254P
Q5
FAIRCHILD
TSSOP8
Pch-MOSFET
1
D
2
S
3
S
4
G
8 D
7 S
6 S
5 D
7 S
6 S
5 D
FDW254P
Q7
FAIRCHILD
TSSOP8
Pch-MOSFET
1
D
2
S
3
S
4
G
8 D
7 S
6 S
5 D
7 S
6 S
5 D
USBEN1
001:E5;006:B8;006:G8;006:G10
PR15
040115MR003T101Z0
CN915
SUYIN
1
15V
2
GND
3
GND
VA5
SLP_S3#
001:D6
FDW254P
Q6
FAIRCHILD
TSSOP8
Pch-MOSFET
1
D
2
S
3
S
4
G
8 D
7 S
6 S
5 D
7 S
6 S
5 D
SLP_VB5
R49
100K
R47
1M
R48
1M
R50
100K
R63
100K
R61
1M
C87
0.01u
B
C88
0.01u
B
C93
1000p
B
50V
C84
0.1u
0.1u
B
1608
C85
NU
B
NU
B
1608
C86
NU
B
NU
B
1608
R65
NU 3216
R52
NU 3216
R51
NU 3216
451004
F1
4.0A
2
1
C100
10u
25V
B
3225
FDS6690A
Q9
FAIRCHILD
SOP8
Nch-MOSFET
1 S
2 S
3 S
4 G
2 S
3 S
4 G
8
D
7
D
6
D
5
D
50V
C97
0.1u
1608
FDS6690A
Q10
FAIRCHILD
SOP8
Nch-MOSFET
1 S
2 S
3 S
4 G
2 S
3 S
4 G
8
D
7
D
6
D
5
D
R57
22K
L
TC1778EGN#TR
IC1
1
LINEAR
TECH.
SSOP16(1.75mH)
1 RUN/SS
2 PGOOD
3 VRNG
4 FCB
16
BOOST
15
TG
14
SW
13
PGND
5 ITH
6 SGND
7 ION
8 VFB
12
BG
11
INTVCC
10
VIN
9
EXTVCC
MAIN15
R54
36K
1%
EC10QS04-TE12L
D5
2
1
C98
0.22u
2012
919AS-4R7M=P3
L29
1
2
R58
0
R67
1M
C90
470p
C91
100p
R60
191K
1%
R53
0
C96
0.01u
6.3V
C99
10u
2125
PGND
6.3V
C103
150uF
SP-CAP
D
EEFUE0J151R
+
C92
NU
PGND
VA5
R56
NU
6.3V
C101
10u
2125
R59
NU
R68
0
R55
NU
PGND
6.3V
C102
NU
SP-CAP
D
EEFUE0J151R
+
C95
NU
RB500V
-40TE-17
D4
1
2
C89
0.01u
B
1608
VA5
R1130H251B-T1-FB
IC16
RICOH
SOT89-5
C0DBZFD00029
2 Vin
3 GND
5 CE
1
Vout
4
NC
VA25
C147
0.1u
C149
10u
6.3V
2125
C146
0.1u
C148
10u
6.3V
2125
R1130H331B-T1
IC15
RICOH
SOT89-5
C0DBCBD00001
2 Vin
3 GND
5 CE
1
Vout
4
NC
VA3
VA5
R62
1M
R64
100K
VB25
USBEN1
001:E5;006:B8;006:D8;006:G8
XP0421300L
Q4
5
3
4
VA25
R66
NU 3216
FDW254P
Q8
FAIRCHILD
TSSOP8
Pch-MOSFET
1
D
2
S
3
S
4
G
8 D
7 S
6 S
5 D
7 S
6 S
5 D
XP0421300L
Q4
6
2
1
R69
0
R70
NU
USBEN1
001:E5;006:D8;006:G8;006:G10
VA5
C150
10u
25V
B
3225
C151
10u
25V
B
3225
C152
0.047u
B
R133
4.7K
1608
R131
4.7K
1608
R132
4.7K
1608
R135
4.7K
1608
R134
4.7K
1608
R143
3.3
2SK3019TL
Q11
Q11
2
3
1
R144
33K
1%
R145
1M
MAIN15
2SC4617TLQ
Q12
Q12
1
3
2
R146
3.74K
1%
C94
0.01u
B
2003.3.11 F1 added
Vout=0.8*(1+RH/Rl)
VA5=5.0V
250mV@6A
Vref=0.792
0.808V
RH=189.09
192.91Kohm
RL=35.64
36.36Kohm
Vout=Vref*(1+RH/RL)
Vout=4.9108
5.1815V
(SPEC Vout=4.75
5.25V)
i=450mA MAX.
i=450mA MAX.
V=2.5V
i=450mA MAX.
V=3.3V
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
I
J
2.6 DC-in/Power supply
SIGN23487
USBP5-
003:B6
USBP5+
003:B6
C124
0.1u
JP2
1005
RA7
75
6
5
8
7
3
4
1
2
CN917
JST
LAN I/F
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
R84
54.9
1%
C125
1000p
2000V
4520
H0056RLT
L34
Pulse Eng.
12.4x9.5x1.85
8 TD+
6 TDC
7 TD-
6 TDC
7 TD-
9
TX+
11
CMT
10
TX-
2 RD+
1 RD-
3 RDC
1 RD-
3 RDC
15
RX+
16
RX-
14
RXC
4 NC
5
NC
12
NC
13 NC
VB25
VB3
X3
1CV25000CC1A
1
2
R73
5.1K
R77
0
R74
1.5K
VB3
C109
0.1u
93LC46BT/SN
SOP8
IC12
MICROCHIP
4
DO
3
DI
2
SK
1
CS
8 VCC
7 NC
6 NC
5 GND
7 NC
6 NC
5 GND
VB3
VB25
R71
1M
X2
DSX530GA12.000MHz
1
2
R72
0
R82
33
33
1%
R80
33
33
1%
R83
10
10
1%
R81
10
10
1%
R78
11K
1%
R75
9.09K
1%
R76
3.3K
1%
R79
1.5K
1%
R85
54.9
1%
R86
51
1%
R87
51
1%
C116
0.01u
C120
0.01u
C111
NU
C117
NU
MCS7830
MOSCHIP
IC2
14
MODE1
13
RESERVED
12
MODE0
4
RSTP
11
VCC25
10
GND
3
NC
2
NC
17
RESERVED
16
RESERVED
15
RESERVED
5
AVCC25
6
AGND
7
AVCC25
8
AGND
1
NC
9
VCC33
20
RESERVED
19
RESERVED
18
MODE2
21
RESERVED
22
VCC33
23
GND
24
VCC25
25
RESERVED
26
TX_LED
27
RESERVED
28
RESERVED
29
RESERVED
30
RX_LED
31
RESERVED
32
RESERVED
33
RESERVED
34
RESERVED
35
RESERVED
36
RESERVED
37
RESERVED
38
LINK_LED
39
VCC25
40
VCC33
41
GND
42
GND
43
GND
44
SPD_LED
45
COLL_LED
46
RESERVED
47
RESERVED
48
FDX_LED
49
RESERVED
50
RESERVED
51
MSEL0
52
MSEL1
53
MSEL2
54
VCC25
55
VCC33
56
GND
57
EE_CS
58
RESERVED
59
EE_CLK
60
RESERVED
61
RESERVED
62
GND
63
GND
64
GND
65
GND
66
GND
67
GND
68
EE_DO
69
RESERVED
70
EE_DI
71
RESERVED
72
RESERVED
73
RESET
74
RESERVED
75
RESERVED
76
RESERVED
77
VCC25
78
VCC33
79
GND
80
RESERVED
81
RESERVED
82
RESERVED
83
RESERVED
84
VCC25
85
GND
86
X1A
87
X2A
88
AVCC33
89
AGND
90
RREF
91
DM
92
DP
93
NC
94
NC
95
NC
96
NC
97
NC
98
NC
99
NC
100 AGND
101 RPU
102 DMRS
103 DPRS
103 DPRS
104
AVCC33
105 AGND
106
AVCC33
107
VCC25
108 GND
109
VCC33
110
AVCC25
111 AGND
112
RX-
113
RX+
114
AVCC25
115 AGND
116 AGND
116 AGND
117 IBREF
118
AVCC25
119 X1B
120 X2B
120 X2B
121 AGND
122
TX-
123
TX+
124 AGND
125
AVCC25
126 NC
127 NC
128 NC
127 NC
128 NC
C110
10p
C108
8p
C105
15p
VB3
C114
0.1u
6.3V
C112
10u
2012
B
C121
0.1u
6.3V
C118
10u
2012
B
C115
0.1u
6.3V
C119
10u
2012
B
C122
0.1u
6.3V
C113
10u
2012
B
VB25
AVCC33 AVCC25
AGND2
AGND2
AGND2
BLM21P600SG
L30
1
2
BLM21P600SG
L31
1
2
BLM21P600SG
L32
1
2
BLM21P600SG
L33
1
2
AVCC25
AVCC33
AGND2
AGND2
AGND2
AGND2
AGND2
AGND2
AGND2
AGND2
AGND2
AVCC25
R139
0
R138
0
R137
0
R136
0
R140
0
R142
0
R141
0
C104
18p
CHIP_RST
003:G9
R147
10K
MA2J72900L
D15
1
2
C162
0.1u
C163
0.1u
C160
0.1u
C161
0.1u
C165
0.1u
C164
0.1u
C167
0.1u
C166
0.1u
2003.11.07
AGND->AGND2
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
I
J
2.7 USB Ethernet
TUSB3410
32P-LQFP
IC13
NU
1
VREGEN
2 SUSP
3
VCC
4
VDD1V8
5
PUR
6
DP0
7
DM0
8
GND
9
RESET
10
SDA
11
SCL
12
WAKEUP
13
CTS
14
DSR
15
DCD
16
RI/CP
17
SIN/RI_SIN
18
GND
19
SOUT/RI_SOUT
20
RTS
21
DTR
22
CLKOUT
23
TEST0
24
TEST1
25
VCC
26
X2
27 X1/CLK1
28
GND
29
P3_4
30
P3_3
31
P3_1
32
P3_0
VB3
R97
NU
NU
1%
R96
NU
NU
1%
R98
NU
VB3
X4
DSX530GA12.000MHz
NU
1
2
R88
NU
R89
NU
R93
NU
NU
1%
R91
NU
NU
1%
R90
NU
NU
1%
USBP6+
003:B7
USBP6-
003:B7
R95
NU
VB3
C128
NU
C129
NU
TP6
TP7
TP8
TP9
TP7
TP8
TP9
TP10
TP11
C127
NU
C126
NU
C131
NU
C135
NU
C133
NU
C138
NU
C137
NU
C134
NU
C132
NU
C136
NU
DTR3#
005:B4
SOUT3
005:B4
RTS3#
005:B4
SIN3
005:B4
DCD3#
005:B5
RI3#
005:B4
DSR3#
005:B4
CTS3#
005:B4
R94
NU
VB3
C130
NU
B
NU
B
1608
PRCOM3EN#
005:B8
R92
NU
MA2J72900L
D14
NU
1
2
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
I
J
2.8 USB Serial
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