Panasonic CF-VEB481 User manual

–1–
Item
ORDER NO. CPD0011002C1
G22
Port Replicator
CF-VEB481
This is the Service Manual for
the following areas.
W ...for all areas.
CONTENTS
1. Specifications …………………………………………………………… 1
2. Names of Parts ………………………………………………………… 2
3.Disassembly/Reassembly ……………………………………………… 3
4.Printed Circuit Board …………………………………………………… 4
5. Schematic Diagrams …………………………………………………… 5-7
6. Exploded View ………………………………………………………… 8
7.Replacement Parts List ………………………………………………… 9,10
1. Specifications
Description
DC 15.6 V [Do not use other than the specified
AC adapter (Model No.: CF-AA1639A)].
342 mm ×130 mm ×66 mm
(13.5" × 5.1" ×2.6")
Power Supply Input
Expansion Bus Connector 100-pin
Physical Dimensions
(Width ×Depth ×Height)
Weight
Operating Environment
Temperature / Humidity 5 to 35 °C (41 to 95 °F) / 30 to 80 % RH (no condensation)
Approx. 1.5kg(3.3 lb.)
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not
contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered
by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or
products dealt with in this service information by anyone else could result in serious injury or death.
©2000 Matsushita Electric Industrial Co., Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.

CF-VEB481
–2–
2. Names of Parts
DRear
DC-IN Jack LAN Port
Display Port
Parallel Port
Mouse Port
Keyboard Port
Security Lock
USB Port Microphone Jack
Headphone Jack
Serial Port
DFront/Right Side
Expansion Bus Connector
Cap Holder
Lever
This connects to the expansion bus
connector on the bottom of the com-
puter.
Be sure to keep it covered with the
supplied protective cap when the port
replicator is not connected to the
computer.
The protective cap from the expansion bus con-
nector should be placed here when the port
replicator is connected to the computer.
(This will prevent it from getting lost.)
Expansion Bus Connector Protec-
tive Cap
(Accompanying the port replicator)
Slide the lever all the way back to release the
computer.
Check whether the
connectors are point-
ing up or down.
DC IN 15.6V
LOCK

CF-VEB481
–3–
3. Disassembly/Reassembly
CAUTION:
Be careful when disassembling and servicing since some chassis may have sharp edges.
Note: Before disassembling, be sure to do the following procedures first.
1. Power off the computer and disconnect it.
2. Unplug the AC adaptor from DC-IN Jack.
3. Disconnect all peripheral devices.
Caution: Please follow directions carefully.
Do not interchange screws in any part of the system.
BReassemble in the reverse order.
1. Remove the two screws <A>.
2. Remove the bottom flame.
3. Remove the four screws <B> and two screws <C>.
4. Remove the bottom cover.
5. Remove the two screws <D> and two screws <E>.
6. Remove the Ejector.
7. Remove the fire screws <F>, screw <G> and two
screws <H>.
8. Remove the Main PCB with I/O plate and isolation
sheet.
Screw <A>: DXHM0018ZA
Screw <B>: XSB26+4FN
Screw <C>: XYN2+J8FN
Screw <D>: XYN26+J6FZ
Screw <E>: XYN26+J4FN
Screw <F>: XYN26+J5FN
Screw <G>: XTB26+8GFZ
Screw <H>: XSB26+4FN
<A>
<A>
<C><B> <B>
<B> <C>
<B>
<D>
<E>
<E>
<D>
<H>
<H>
<F>
< F >
<
F >
<
F ><
F >
<
G >
Bottom flame
Bottom Cover
I/O plate
Main PCB
Isolation sheet
Ejector
Top cabinet

CF-VEB481
–4–
4. Printed Circuit Board
4.1 Main PCB

CF-VEB481
–5–
5. Schematic Diagrams
Main 1
To CF-48
DC-IN
USB Port 0
USB Port 1
LAN (RJ 45)
7
6
5
4
3
2
1
ABCDEF
TP43
PRPD6
002:B8
TP11
PRPD2
002:B7
PRSTRB#
002:B6
TP44
SLCTIN#
002:B7
TP45
DDC2ID0
002:A4
TP46
PRPD3
002:B7
MSCLK
002:G4
CHSGND
001:E4
USB1-
001:H6
PINIT#
002:B7
TP47
25V
0.1u
C1
PRPD4
002:B8
PR_RD+
001:E3
PR_TD+
001:E3
PR_TD-
001:E3
PRPE
002:B9
VC5
USB0-
001:H3
PRBUSY
002:B9
PRPD1
002:B7
MSDATA
002:G3
WD-100P4V-VF120-N-T45
JAE
CN1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
100
101
102 104
103
USB0+
001:H3
USB1+
001:H6
PRPD5
002:B8
PRSLCT
002:B9
PR_RD-
001:E3
TP48
ERROR#
002:B7
PRPD7
002:B8
DDC2BC
002:A4
PRAUTO#
002:B7
DDC2ID2
002:A3
TP10
KBDATA
002:G7
DDC2BD
002:A4
PRACK#
002:B9
KBCLK
002:G7
PRPD0
002:B7
SNDGND
PR15
PR15
CRTR
002:A2
VSYNC5
002:A4
CRTG
002:A3
HSYNC5
002:A4
CRTB
002:A3
HPOPRR
001:C7
HPOPRL
001:C7
PRHPIN#
001:C7
PRMIC
001:G10
PRCTS1#
002:D4
PRRI1#
002:D4
PRDCD1#
002:D3
PRRTS1#
002:D3
PRDSR1#
002:D3
PRSOUT1
002:D3
PRSIN1#
002:D3
PRDTR1#
002:D4
USBPW0
USBPW1
0.1u
C8
FDDPWR
0.1u
C6
25V
0.1u
C7
EXFDD
002:F10
0.1u
C9
0.1u
C10
0.1u
C11
AVR-M1608C120MT6AB
1608
D1
TP89
25V
0.1u
C3
BLM41P600S
L1
12
HEC3900-01-010
DFJJB3Z07ZAH
Hoshiden
JK1
1
2
3
R451_07.0
7.0A
F1
2
1
TP14
TP8
25V
0.1u
C4
PR15
25V
0.1u
C2
TP17
47p
C104
0.1u
C101
BLM11A121S L103
12
TP24
USBPW0
TP23
47p
C108
54006-1010B
FCI
CN2
#54006
1
2
3
4
5
0.1u
C111 BLM41P600S
L101
12
USB0+
001:A7
47p
C107
TP19 TP27 TP21
BLM11A121S L104
12
USB0-
001:A7
47p
C103
TP22
47p
C105
USBPW1
USB1-
001:A6
TP20
0.1u
C112
BLM11A121S L105
12
47p
C110
BLM11A121S L106
12
47p
C106
USB1+
001:A6
47p
C109
0.1u
C102 54006-1010B
FCI
CN3
#54006
1
2
3
4
5
BLM41P600S
L102
12
TP28
TP26
TP25
PR_TD+
PR_TD-
PR_RD+
PR_RD-
75 R201
75
R202
CHSGND
TP73
TP75
TP76
TP78
TP72
TP77
TP74
TP79
43860-001
MOLEX
K2LB104B0019
JK2
1
2
3
4
5
6
7
8
91
0
AVR-M1608C120MT6AB
1608
D202
AVR-M1608C120MT6AB
1608
D201

CF-VEB481
–6–
Main 2 Microphone
Headphone
Display Port
9
8
7
6
5
4
3
2
1
A B C D E F GH
47K
R405
PRMIC
001:B7
470
R401 16V
B
10u
HA C402
+
0.22u C407
1u
C404
SNDGND
BK1608HS601L401 12
0.1u
C403
TP15
16V
B
10u
HA C401
+
47K R407
2.2K
R403
TP18
VC5SA
TP13
SNDGND
TP3
TP1
VC5SA
BK1608HS601L403 12
TP2
SNDGND
100p
C405
SNDGND
SNDGND
47K
R404
SNDGND
10K R406
BK1608HS601L404 12
100p
C406
TP4
BK1608HS601L402 12
470p C409
2.2K
R402
0.1u
C408
HSJ0912-01-010
Hoshiden
DFJJD5S14ZAH
JK4
10
11
2
L
3
R1
TP16
NJM2904M
IC401
-
2O1
+
3
BK1608HS601
L30112
100p
C303
NU
C302
TP5
TP7
HPOPRR
001:B7
TP6
100p
C304
SNDGND
PRHPIN#
001:B7
HPOPRL
001:B7
100p
C305
100p
C301
100p
C306
BK1608HS601
L30212
HSJ0913-01-040
Hoshiden
DFJJD6S15ZAH
JK3
6
5
4
2L
3R
1
JP1
15
R302
12
R301
BLM11A121SL506 12
DDC2BD
NU
C506
TP36
33p
C505
NU
C510
0.1u
C501
TP34
33p
C503
BLM11A121SL510 12
NU
C509
TP62
BLM11A121S
L50512
CRTR
TP33
33p
C504 0.1u
C502
TP39
DV11201-B8
DFJS***ZA015
CN4
HON-HAI
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
NU
C511
DDC2ID2
NU
C507
TP35
CRTG
NU
C508
BLM11A121SL507 12
VSYNC5
TP32
VC5
BK1608LL121 L503
12
TP38
TP37
ERY32SA120VA
1.2A
MACO
PS1
12
DDC2BC
BK1608LL121 L502
12
BLM11A121SL509 12
DDC2ID0
BLM41P600S
L501
12
HSYNC5
TP31
BLM11A121SL508 12
BK1608LL121 L504
12
CRTB
VC5SA
0.1u
C410
SNDGND
TP85 NJM2904M
IC401
-6
O
7+5
NJM2904M
IC401
V-
4
V+
8
TP29
TP30
RB411D
D401
A
2
1
C
3
0.1u
C412
BLM21A121
L405
1
2
VC5
10V
E
100u
HA
C411
+
SNDGND
VC5SA
TP12

CF-VEB481
–7–
Main 3 Parallel Port
Serial Port
Mouse Port Keyboard Port
11
10
9
8
7
6
5
4
3
2
1
AB C D E F G HI
BLM11A121S L605
12
PRBUSY
PRPD1
BLM11A121S L602
12
BLM11A121S L612
12
33p C609
PRPD7
PRPD5
33p C612
PRPD3
BLM11A121S L606
12
BLM11A121S L611
12
TP42
TP40
PINIT#
33p C613
DT11321-R3
DFJS033ZA025
CN5
HON-HAI
1
14
2
15
3
16
4
17
5
18
6
19
7
20
8
21
9
22
10
23
11
24
12
25
13
BLM11A121S L601
12
BLM11A121S L604
12
TP49
PRPD0
33p C607
TP51
BLM11A121S L613
12
BLM11A121S L614
12
33p C605
TP52
33p C614
TP53
PRACK#
33p C601
TP57
33p C610
TP55
TP56
PRPE
PRPD6
33p C616
TP60
BLM11A121S L615
12
PRPD2
33p C611
PRPD4
ERROR#
BLM11A121S L616
12
PRSTRB#
TP41
TP58
33p C608
33p C606
BLM11A121S L603
12
33p C617
33p C603
TP50
TP59
BLM11A121S L617
12
TP54
BLM11A121S L610
12
33p C602
33p C604
SLCTIN#
BLM11A121S L609
12
33p C615
TP61
BLM11A121S L608
12
PRSLCT
PRAUTO#
BLM11A121S L607
12
FDDPWR
0.1u
C619
EXFDD
001:A2
BLM41P600S
L619
12
10V
E
100u
HA
C620
+
BLM11A121S L618
12
0.1u
C618
TP86
TP87
TP88
VC5
ERY32SA120VA
1.2A
MACO
PS2
12
TP71
MSCLK
BLM11A121S
L803 12
0.1u
C802
47p
C805
MSDATA
BLM41P600S
L801
12
BLM11A121S
L804 12
TP83
TP80
DFJS034ZA006
CN7
HON-HAI
MH11061-H1
1
2
3
4
5
6
0.1u
C801
47p
C806
KBCLK
TP84
VC5
0.1u
C804
47p
C808
TP81
KBDATA
MH11061-H1
DFJS034ZA006
CN8
HON-HAI
1
2
3
4
5
6
0.1u
C803
BLM11A121S
L806 12
BLM11A121S
L805 12
TP82
ERY32SA120VA
1.2A
MACO
PS3
12
BLM41P600S
L802
12
47p
C807
TP69
BLM11A121SL70512
BLM11A121SL70112
NU C701
BLM11A121SL70412
NU C705
NU C707
PRSIN1#
BLM11A121SL70812
TP64
BLM11A121SL70712
TP65TP63
TP70
PRRTS1#
NU C708
TP66
BLM11A121SL70612
NU C703
BLM11A121SL70312
TP67
PRDCD1#
DT10121-R3
DFJP021ZA009
CN6
HON-HAI
1
6
2
7
3
8
4
9
5
NU C702
PRDTR1#
NU C704
PRSOUT1
PRRI1#
PRCTS1#
NU C706
PRDSR1#
TP68
BLM11A121SL70212

CF-VEB481
–8–
6. ExplodedView
K4
K3 K5
K1
K7
K11
K12
K17
K18
K10
K104
K19
K107
K108
K101
K108
K106
K106
K108
K103
K103
K103
K105
K16
K16
K16
K16
K102
K9
K15
K102
K105
K6
K107
K106
K108 K107
K13
K2
E1 K104
K14
K8
K21
K22
K21
K22
K24
K23
K25
K25
K25
K20
K20

CF-VEB481
–9–
7. Replacement Parts List
Note: Important Safety Notice
Components identified by mark have special characteristics important for safety.
When replacing any of these components, use only manufacturer’s specified parts.
REF. NO.
Main Block Unit
E1
Mechanical Parts
K1
K2
K3
K4
K5
K6
K7
K8
K9
K10
K11
K12
K13
K14
K15
K16
K17
K18
K19
K101
K102
K103
K104
K105
K106
K107
Accessory
A1
Packing Material
P1
Main PCB
C1 2 3 4 6 7 8 9 10 11
101 102 111 112
403 408 410 412 501
502 618 619 801 802
803 804
C103 104 105 106 107
108 109 110 805 806
807 808
C301 303 304 305 306
405 406
C401 402
C404
C407
C409
C411 620
PART NO.
DL3UP1108AAA
DFBD0137ZB
DFMD9068ZA
DFUA9078ZC-0
DFHR5827ZB-0
DFHR5828ZA-0
DFKF0216ZA
DFHG1350ZA-0
DFHR5829ZB-0
DFUA0227ZA-0
DFHR5842ZA-0
DFHR5843ZA-0
DFHR5836ZA
DFMX0845ZB
DFMD7734ZA
DFGT0821ZA
DFHG1209ZA
DFUS0270ZB
DFUS0271ZB
DFUS0272ZB
DFHE5058ZA
DXHM0018ZA
XSB26+4FN
XTB26+8GFZ
XYN2+J8FN
XYN26+J5FN
XYN26+J6FZ
DFQX5159ZB
DFPK1058ZA
ECUV1E104ZFV
ECUV1H470JCV
ECUV1H101JCV
EEVHA1C100R
DCUJ1A105ZFL
ECUV1C224ZFV
ECUV1H471JCV
EEVHA1A101P
DESCRIPTION
PCB, MAIN
ASS’Y, EJECT LEVER
ASS’Y, EJECTOR
ASS’Y, TOP CABINET
CABINET, REAR GUIDE (L)
CABINET, REAR GUIDE (R)
COVER, BOTTOM
COVER, CONNECTOR
COVER, EJECT LEVER ASS’Y
FLAME, BOTTOM
GUIDE, CORNER (L)
GUIDE, CORNER (R)
GUIDE, EJECT LEVER ASS’Y
PCB ISOLATION SHEET
PLATE, I / O
RATING LABEL
RUBBER, FOOT
SPRING, EMI A
SPRING, EMI B
SPRING, EMI C
SCREW
SCREW
SCREW
SCREW
SCREW
SCREW
SCREW
MANUAL, USER’S GUIDE
CASE, PACKING
CAPACITOR, 15 V, 0.1 µF
CAPACITOR, 50 V, 47 pF
CAPACITOR, 50 V, 100 pF
CAPACITOR, 16 V, 10 µF
CAPACITOR, 10 V, 1 µF
CAPACITOR, 16 V, 0.22 µF
CAPACITOR, 50 V, 470 µF
CAPACITOR, 10 V, 100 µF
Q’TY
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
1
1
1
K20 DFHG1232ZA CUSHION 2
K21 DFHG1336ZA CUSHION 2
K22 DFHR8231ZA CUSHION 2
K23 DFHE0434ZA CONDUCTIVE SHEET 1
K24 DFHE0445ZA CONDUCTIVE SHEET 1
K25 DFHR7935ZA SHEET 3
6
2
4
4
2
5
4
K108 XYN26+J4FN SCREW 4
1
1
26
12
7
2
1
1
1
2

CF-VEB481
–10–
REF. NO. PART NO. DESCRIPTION Q’TY
2
1
1
1
2
3
1
1
1
1
1
1
1
7
39
6
1
4
3
2
1
2
3
1
CONNECTOR, USB PORT
CONNECTOR, DISPLAY PORT
CONNECTOR, PARALLEL PORT
CONNECTOR, SERIAL PORT
CONNECTOR, MOUSE
VARISTOR
DIODE
FUSE
IC, AMP
CONNECTOR, DC-IN
CONNECTOR, LAN PORT (RJ45)
JACK, HEADPHONE
JACK, MICROPHONE
FERRITE BEAD
FERRITE BEAD
FERRITE BEAD
FERRITE BEAD
FERRITE BEAD
POLY SWITCH (6.0 V / 1.2 A)
RESISTOR, 1 / 16 W, 75 Ω
RESISTOR, 1 / 16 W, 470 Ω
RESISTOR, 1 / 16 W, 2.2 KΩ
RESISTOR, 1 / 16 W, 47 KΩ
RESISTOR, 1 / 16 W, 10 KΩ
K1FB104B0017
K1FB115B0072
DFJS033ZA025
DFJP021ZA009
DFJS034ZA006
D4ED1120A002
DEDRB411DT47
XBAD4517R00L
DAM2904MT1-P
DFJJB3Z07ZAH
K2LB104B0019
DFJJD6S15ZAH
DFJJD5S14ZAH
DDB5Z028C-L
DDB5Z024E-L
DDB5Z021C-Y
DDB5Z005-L
DDB5Z034B-Y
ERY32SA120VA
ERJ3GEYJ750V
ERJ3GEYJ471V
ERJ3GEYJ222V
ERJ3GEYJ473V
ERJ3GEYJ103V
CN2 3
CN4
CN5
CN6
CN7 8
D1 201 202
D401
F1
IC401
JK1
JK2
JK3
JK4
L1 101 102 501 619
801 802
L 103 104 105 106 506
507 508 509 510 601
602 603 604 605 606
607 608 609 610 611
612 613 614 615 616
617 618 701 702 703
704 705 706 707 708
803 804 805 806
L301 302 401 402
403 404
L405
L502 503 504 505
PS1 2 3
R201 202 1
RESISTOR, 1 / 16 W, 12 Ω
ERJ3GEYJ120VR301 1
RESISTOR, 1 / 16 W, 15 Ω
ERJ3GEYJ150V
R302
R401
R402 403
R404 405 407
R406
C503 504 505 601 602
603 604 605 606 607
608 609 610 611 612
613 614 615 616 617
CN1
ECUV1H330JCV
DFJP227ZA100
CAPACITOR, 50 V, 33 pF
CONNECTOR, FOR EXPANSION BUS PORT
20
1