Panasonic CF-T4GWCTZ1 User manual

ORDER NO. CPD0511050C1
Personal Computer
CF-T4
Model No. CF-T4GWCTZ12
1
: Operation System
B:Microsoft
® Windows® XP Professional
2
: Area
M: Refer to above area table
This is the Service Manual for
the following areas.
M …for U.S.A. and Canada
© 2005 Matsushita Electric Industrial Co., Ltd. All rights reserved.
Unauthorized copying and distribution is a violation of law.

1 Connection Diagram
CN1053
CN1051
VGA
USB
USB
CN601
CN11
CN12
CN10
CN26
CN14
CN16
CN18
CN3
SD Card
CN13
CN1052
JK1
JK2
Lithium Battery
Touch Pad
LCD/Touch Panel
Battery Pack
LCD Back Light
Inverter Board
DC-IN
PCMCIA
SLOT
LAN
Keyboard
Main Board HDD
Headphone Mic
DIMM memory
(Option)
Wireless
LAN Module
Antenna Board
(L)
Antenna Board
(R)
Speaker
MODEM
SW6
POWER SW
CF-BAV0256U
CF-BAV0512U
CN23
CN24
CN15
CN4
CN21
CN600 CN2 CN19
Connection Cable
1 LCD Cable DFJS963ZA
2 Speaker Cable DFJS962ZA
3 Antenna PCB-L N1ZYYY000002
4 Antenna PCB-R N1ZYYY000003
5 Modem Cable DFJS973ZA
6 LAN Cable DFJS958ZB
7 PAD FFC DFJE12U112BB
8 HDD FPC Unit DL3UP1443AAA
9 DC-IN Cable DFJS961ZB
10 Main-Sub Cable DFJS980ZA
Connection by Cable
Direct connection Connectors
Parts on Bottom Side
1
5
9
2
6
8
10
7
3
4
1-1

2 Disassembly instructions
2.1. Disassembly Flow Chart
Main Unit
2.2.1.
2.2.2.
2.2.4.
2.2.5. 2.2.6.
Preparation
1. End the Windows.
2. Turn off the power, and then remove the AC adaptor or battery pack.
3. Remove any optional DIMM memory cards or PCMCIA cards.
4. Remove any other peripherals or connected devices.
Keyboard
2.2.3.
HDD
Top Case
Touch Pad LCD Knob /Speaker
2.2.13.
2.2.7.
USB Board
2.2.8.
Main Board
2.2.9. 2.2.10.
Antenna Board
(L, R) / DC-IN
Wireless LAN Module
2.2.11. 2.2.12.
MODEM
Card Bus Ejector
LCD Unit
2.2.14.
2.2.15.
Hinge Cover
LCD Unit / LCD Rear
2.2.16.
Inverter
Display Unit
2.2.8.
2.2.9.
2.2.10.
2.2.11.
2.2.12.
2.2.13.
2.2.14.
2.2.15.
2.2.16.
Main Board
Antenna Board (L, R)
DC-IN Cable
Wireless LAN Module
MODEM
Card Bas Ejector
LCD Unit
Hinge Cover
Hinge (L, R)
LCD Unit
LCD Rear
LCD Front
Inverter
LCD Cable
Main replaceable parts
2.2.1.
2.2.2.
2.2.3.
2.2.4.
2.2.5.
2.2.6.
2.2.7.
Battery Pack
DIMM Cover
AC Adaptor
Keyboard
HDD
HDD Case
Top Case
Side Cover (R)
Touch Pad
Pad Cover
PAD Button
PAD FPC
LCD Knob
Speaker
USB Board
USB Cable
2-1

2.2. Disassembly
2.2.1. Preparation
Attention:
Before disassembly, be sure to perform the following steps.
1. End the Windows.
2. Turn off the power and then remove the AC adaptor.
3. Slide the hooks (A) and then remove the battery pack.
4. Remove the screw (A) and then remove the DIMM cover.
(Remove if the DIMM memory is equipped with)
Screw (A) : XSB2+4FNL(N16)
DIMM Cover
Baattrey Pack
Hook(A)
Screw(A)
2.2.2. Removing the Keyboard
Preparation : perform the section 2.2.1. first.
1. Remove the 4 screws (B).
Screw(B):DXQT2+E12FNL(N11)
2. Remove the 2 keyboard hook plates, and then remove the
hook of back side of keyboard with screw driver.
Screw(B)
Screw(B)
Screw(B)
Keyboard Hook Plate
Keyboard Hook Plate
3. The LCD unit is opened up to about 90° by operating the
LCD knob.
4. Remove the 6 hooks (B).
5. Open the keyboard from LCD side and then turn it inside
out on the top case.
Note:
It can remove with the keyboard hook plate.
LCD Knob Hook(B)
LCD Unit Hook(B)
6. Remove the heat spreader from buttom of the keyboard.
7. Remove the keyboard FFC from the connector (CN15) and
then remove the keyboard.
Heat Spreader
CN15
KeyBoard
2-2

2.2.3. Removing the HDD
Preparation : perform the section 2.2.1. 2.2.2. first.
1. Remove the 2 screws (C) and then remove the HDD cover.
Screw (C):DFHE5025XA(N501)
Screw(C)
Tape
HDD Cover
2. Lift up the HDD unit and remove FFC connector and then
remove the HDD unit.
3. HDD is taken out of the HDD case.
Note:
Please do not bend pins of the HDD connector, at the
time of removing HDD and FFC connector.
HDD
HDD FFC
FFC Connector
HDD Unit
HDD Case
2.2.4. Removing the Top Case
Preparation : perform the section 2.2.1. , 2.2.2. first.
1. Remove the 7 screws (D) and 5 screws (G).
Screw (D):DXHM0039ZA(N5)
Screw (G):DXHM0057ZA(N7)
Screw(G)
Screw(G)
Screw(D)
Screw(D)
Screw(D)
Screw(D)
Screw(G)
Screw(G)
Screw(G)
2. Remove the speaker cable from the connector (CN26).
3. Remove the side cover (R) as slide it to this side.
4. Remove the 1 screw (J), 3 screws (K) and 2 screws (L) from
top case and then remove the top case.
Screw(J):DXHM0056ZA(N6)
Screw(K):DXQT2+E6FNL(N12)
Screw(L):DXQT26+D8FCL(N15)
Screw(L)
Screw(L)
Screw(K)
Screw(K)
Screw(J)
Screw(K)
Side Cover(R)
CN26
Speaker Cable
2-3

5. Lift up the top case and remove the pad FFC and then
remove the top case.
Pad FFC
Top Case
2.2.5. Removing the Touch Pad
Preparation : perform the section 2.2.1. to 2.2.3. first.
1. Peel off the tape.
2. Depress to center the 6 hooks of the pad cover, (D)(E)(F)
as order.
Tape
Hook(D)
Hook(E) Hook(F)
Hook(F)
PAD FFC
Top Case
3. Remove the hook (G) and remove the touch pad.
Hook(G)
Hook(G)
Pad Cover
Touch Pad
Pad Button
2-4

2.2.6. Removing the LCD Knob and the
Speaker
Preparation : perform the section 2.2.1. to 2.2.3. first.
1. Remove the latch spring from the top case.
2. Remove the hook of the LCD knob from stopper rib of the
top case.
3. Peel off the tape of the speaker box.
4. Peel off the tape on the speaker and speaker ring and then
remove the speaker.
Speaker Box
Speaker
Speaker
Ring
Location of the Spring
Latch
Spring
LCD Knob
2.2.7. Removing the USB Board
Preparation : perform the section 2.2.1. to 2.2.3. first.
1. Peel off the tape for clamp the USB cable.
2. Remove the connector (CN23) on the main board.
3. Remove the USB board from the bottom case.
CN23 Tape
2-Port USB Board
USB Cable
2.2.8. Removing the Main Board
Preparation : perform the section 2.2.1. to 2.2.3. first.
1. Remove the 1 screw (E), 1 screw (F) and 2 screws (H).
Screw (E):DXQT2+E10FNL(N10)
Screw (F):DXQT2+D4FNL(N9)
Screw (H):DFHE5035ZB(N2)
Screw (I):KIYE50000022(N500)
Screw(E) Screw(F)
Screw(H)
Screw(I)
2. Remove the 2 screws (N).
Screw (N):DXQT2+E6FNL(N13)
3. Remove the modem cable from the MDC modem.
4. Remove the side cover(L) from the bottom case.
DC Jack
Holder
Side Cover(L)
Antenna Board(L)
Screw(N)
Screw(N)
Main Board LAN Cable
Modem Cable
Tape
2-5

5. Remove the DC jack holder on the DC-IN jack.
6. Remove the LCD cable connectors (CN10,CN11,CN24).
CN10 CN24
CN11
LCD Cable
7. Turn it to arrow and remove the lithium battery connector
(CN3), LAN cable connector (CN16) and HDD FPC
connector (CN4) and then remove the main board.
CN3
LAN
Cable
CN16
CN600
DC-IN Cable
Lithium Battery
Cable
Tape
Power Knob
LAN SW Knob
2.2.9. Removing the Antenna Board (L,R)
and the DC-IN Cable
Preparation : perform the section 2.2.1. to 2.2.3. and 2.2.8.
first.
1. Remove the antenna cable(L) from the main terminal and
the antenna cable(R) from the AUX terminal and then
remove the antenna board(L, R) from the bottom case.
2. Remove the DC-IN cable(CN600) from the main board.
Antenna Cable(L)
Antenna Cable(R)
CN600
DC-IN
Cable
Antenna Board(L)
Antenna Board(R)
2.2.10. Removing the Wireless LAN
Module
Preparation : perform the section 2.2.1. to 2.2.3. and 2.2.8.
first.
1. Peel off the tape on the wireless LAN module.
2. Open the wireless LAN module holding arms and remove
the wireless LAN module.
Tape
Wireless LAN Module
Main Board
2-6

2.2.11. Removing the MODEM
Preparation : perform the section 2.2.1. to 2.2.3. and 2.2.8.
first.
1. Remove the 2 screws (O).
Screw (O):DXQT2+D25FNL(N8)
2. Remove the MODEM from main board connector (CN18)
as vertical.
Screw (O)Screw (O)
CN18
Modem
2.2.12. Removing the Card Bus Ejector
Preparation : perform the section 2.2.1. to 2.2.3. and 2.2.8.
first.
1. Remove the 1 screw (P) from connection side of wireless
LAN.
Screw(P):DFHE5025XA(N1)
Main Board
Screw(P)
2. Turn to the card bus ejector side.
3. Remove the 2 hooks (C) from the connector (CN14).
Main Board
Card Bus Ejector
Hook(C)
CN14
2-7

2.2.13. Removing the LCD Unit
Preparation : perform the section 2.2.1. to 2.2.3. first.
1. Remove the 2 screws (M).
Screw(M):DXQT26+D5FNL(N14)
2. Remove the LCD cable from the connector (CN11) of the
main board.
3. Remove the inverter cable from the connector (CN10)
4. Remove the touch panel cable from connector (CN24).
CN10 CN24
CN11
Screw(M)
LCD Cable Screw(M)
2.2.14. Removing the Hinge Cover
Preparation : perform the section 2.2.1. to 2.2.3. and 2.2.13.
first.
1. Remove the 2 screws (Q) and then remove the hinge cover
(L,R).
Screw(Q):DRHM0076ZA(N3)
Hinge Cover(R)
Hinge Cover(L)
Screw(Q)
Screw(Q)
LCD Unit
2. Remove the 2 screws (R).
Screw (R):DRHM0076ZA(N3)
Screw(R)
Screw(R)
LCD Unit
2.2.15. Removing the LCD Unit and the
LCD Rear
Preparation : perform the section 2.2.1. to 2.2.3. and 2.2.13.
to 2. 2. 14. first.
1. Separate the LCD front and the LCD rear.
2. Remove the hinge (L).
Hook Position
HInge(L)
Hinge(R)
LCD Front
LCD Rear
LCD Unit
2.2.16. Remove the Inverter
Preparation : perform the section 2.2.1. to 2.2.3. and 2.2.13.
to 2. 2. 15. first.
1. Remove the LCD cable from the inverter.
2. Peel off the conductive cloth(LCD cable) from the inverter.
3. Remove the inverter with inverter box.
LCD Hook
Conductive Cloth
(LCD Cable)
Inverter Box
Tape
LCD Cable
LCD High voltage
2pin Wire Rod
LCD Front
2-8

3 Reassenbly instructions
3.1. Attention when CF-T4G series is repaired
· Please execute writing BIOS ID when you exchange the main board.
· Parts (sheet and rubber) etc. related various the conductive cloth and heat spreader cannot be recycled. Use new parts.
3.2. Assembly knowhow of part LCD
LCD Rubber (Upper
LCD Rubber(Upper)
LCD Side Rubber
LCD Back Rubber(Lower)
LCD Front Case
LCD Front Case Be parallel after putting
Big Small
LCD rubber, LCD side rubber and LCD backing rubber’s putting
LCD Frame Clamp
A red line of the cable is matched to the LCD frame externals.
01mm
Connector
1 2mm
12mm
PET Tape
LCD Insulation Sheet
LCD cable processing
Clamping processing of LCD cable, LCD connector connection and putting of PET tape of cable
The LCD insulation sheet is peeled off.
The LCD cable is processed to the LCD frame clamping.
The LCD cable is connected with the connector.
The PET tape is put.
Insulation Sheet of edge match
01mm
Connector of externals match
There must not be beginning to see from externals.
Conductive Cloth
(LCD Label)
Putting of the conductive cloth
The conductive cloth is put and after putting a both side tape is put.
Process the part in the Signal line of the LCD cable in the conductive cloth.
Put the conductive cloth on the connector surely.
LCD Insulation Sheet
Connector
Both Side Tape
LCD Cable
3-1

Rib application putting of LCD front case
01mm
Externals suiting of inverter case
01mm
Rear Damper
PET Tape
Putting of rear damper
Putting of PET seat
The cable must not run aground on the damper.
Along the LCD module and put the LCD cable (Inverter part) with the PET tape.
Conductive Cloth (LCD Cable)
LCD Cable
LCD Cable
(Inverter part)
Damper
Conductive Cloth (LCD Cable)
LCD Cable
Processing of inverter cable
The cable must not run aground on the cushion.
The cable must not come in succession.
Inverter Cable
The line of the remainder
is put on hinge (R) side.
Hinge (R)
Put the reflector part surely.
Put on hinge (R) surely.
Gasket (LCD)
Externals suiting of reflector
01mm
Putting of gasket (LCD)
3-2

Putting of LCD damper(C)
Rib edge match of LCD front case
01mm
Rib application putting of LCD front case
01mm
LCD Damper(C)
Plinth externals match
01mm
Rib application putting of LCD front case
01mm
Conductive cloth is wrapped
(Leave the half)
75 5mm
LCD Cable (Inverter)
LCD Cable (Touch Panel)
Putting of conductive cloth of LCD cable
The cable is processed under the shaft .
Note:It is confirmed that the cable does not narrow
between cabinets.
Drawing out specification of LCD cable
Conductive Cloth
About 8mm at the edge of conductive cloth is
putting on the rib of the bottom case for conduct
The cable is processed under the convex part
The cable is processed to the ditch
68mm
LCD Cable
LCD cable processing
3-3

3.3. Installation and Line processing of Speaker
Solder
Speaker Fixation Ring
Match case sign to the center in the terminal of the speaker.
22.5mm From the rib to the terminal
The double coating part of
the cable according to the ditch of the case
The cable is not loosening between the rib and the pin.
Put according to 4 ribs.
Putting of speaker fixation ring
Processing of speaker cable
Putting of speaker box
Black line
Red line
Touch the boss
Speaker Cable
Putting of speaker box
Touch the Case’s wall
3.4. Assembly of Touch Pad
The hooks are hooked
The hooks are inserted
Pad Cover
Putting of pad cover
It is confirmed that all
LED lenses fit in the
hole of the pad cover
Pin for positioning
Touch Pad
The touch pad
is put
Putting of touch pad
Touch Pad
PAD FFC
Insertion of PAD FFC
PAD FFC is
inserted in the
connector.
(Direction where
the reinforcement
version is seen)
Sets in the dent
PAD sheet
Putting of PAD sheet
This line must
become vertical
After putting of the
PAD sheet, the
Flaking off paper is
peeled off
Pad button
Latch is inserted in the top case(4 places)
Installation of pad button
Puted in the gasket
ditch
Inserted in the
positioning pin
3-4