JVC MP-C33-DE-BU Service Manual

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Page 1

SERVICE MANUAL

HANDHELD PC

MP-C33DE-BU

External dimensions (WHD): 217 x 24 x 153 mm (maximum dimensions excluding

projections)

Weight: Approx. 740 g (including dedicated Lithium battery pack)

For the specifications, refer to "Technische Daten" on page 119 of the Bedienungsanleutung.

1. Parts marked are critical parts for safety. To ensure safety when replacing them, be sure to use only the designated parts.

2. Design and specifications are subject to changes without notice.

NOVEMBER 2001

No. E1001

Page 2

MP-C33DE-BU

Service cautions and disassembly .......................................... 1-3

Tools and instruments required ............................................... 1-4

Cautions and requests related to servicing ............................. 1-4

Layout of main parts ............................................................... 2-1

Disassembly and assembly methods ...................................... 2-2

Exploded view, final part assembly list .................................... 3-1

Packing materials and accessories parts list ........................... 3-4

NOTE

Before accepting a unit for servicing, notify the following information to the customer.

When servicing, the data stored in the MP-C33-DE-BU will be entirely cleared and the unit will be reset to its factory set condition.

If the customer wants to keep the previously stored data, he or she should back up the data before sending the product for servicing. The data can be backed up by copying it onto a memory card such as a CF Card or onto the HDD of a PC. It is also recommended that especially important data should be written down on paper.

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Service cautions and disassembly

MP-C33DE-BU

Before disassembly or assembly

Perform the following operations before disassembling the unit.

Disconnect the AC power adapter.

Remove the lithium ion battery pack.

These operations shut off the power supply to the circuit boards and turn the unit completely off. If these operations are not done, connectors could be connected or disconnected while power is being supplied to the internal circuitry and a malfunction such as the impossibility of turning the unit on would result.

Be careful not to damage the connectors when connecting or disconnecting wires.

Notes on disassembly and assembly

Reverse the disassembly procedures for assembly.

Take care of the notes provided in "Note *)".

Auxiliary items to be used Double-side adhesive tape (width 5 mm)

Disconnecting the connecting wires

FPC connectors Hold the connector by its two extremities and pull it in the direction of the arrow in order to disconnect it.

Wire

Connector

Fig. 1 Connector 1

Wire

Connector

Fig. 2 Connector 2

Open the catch and pull out the wire. The catch tends to slip out easily. Be sure to secure it in its original position after removing the wire.

Wire

Connector

Fig. 3 Connector 3

B-B connectors Hold the circuit board by its two edges and pull it out in order to remove it.

Connector

Fig. 4 Connector 4

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MP-C33DE-BU

Tools and instruments required

Tools and Instruments for operation check

(1) Personal computer (Windows 2000/98/95/NT4.0)

(2) PCMCIA memory card

(3) CompactFlash memory card

(4) Stylus pen

(5) External display connection cable

(6) Exclusive lithium ion battery pack

(7) AC adapter

(8) Serial cable

(9) Microsoft CD-ROM (Active Sync 3.1)

(10) USB camera (MP-UC1E)

(11) USB mouse

(12) Provider agreement

(13) Headphones

Cautions and requests related to servicing

(1)

Be sure to use the supplied tools for any servicing operations.

(2)

Do not reuse the following parts after removal.

QAL0273-001 Touch panel

LE40739-001A Spacer

LE40739-003A Spacer

LE40776-001A Spacer

LE40800-001A Spacer

(3)

The claws or other section of the following parts may whiten during disassembly. In this case, do not reuse the part.

LE30863-001A Hinge cover (1)

LE30864-001A Hinge cover (2)

LE30847-003A Side fitting (L)

LE30848-003A Side fitting (R)

LE10241-006A Function panel

Tools and Instruments for Assembly

(1) LCD cable forming tool

(2) Screwdriver

(3) Grounding bands

(4) UUID writing jig

(5) Serial number and UUID correspondence table

LE30849-001A Shutter (PC)

(4)

The touch panel is thin with a thickness of only 1.15 mm and uses a glass plate (thickness 0.7 mm) which may crack during disassembly. If this occurs, take care against injury when handling the cracked part.

(5)

After attaching the shutter (PC), make sure that it fits comfortably inside the case.

(6)

Attach the microphone so that it does not float above

its correct position. (IF this occurs, the microphone may strike the lock lever.)

(7) Attach the LCD to the front by tightening the two screws

(QYSSSPT2035Z) to a torque of between 0.06 and

0.08 N/m.

(8) Be sure to attach the grounding bands during

disassembly and assembly.

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(9) The part which can not be re-used after set resolution.

MP-C33DE-BU

part number part name

LE40739-001A

LE40739-003A

LE40776-001A

LE40800-001A

LE30863-001A

LE30864-001A

LE30847-003A

LE30848-003A

LE10241-006A

LE30849-001A

LE40715-001A

LE40734-001A

QYSPSP2004N

QYSPSF2005N

QYSSSGT2040N

QYSSSPT2050N

QYSDSP2004Z

QYSPSP2003M

QYSPSPG2005Z

QYSSSPT2035Z

QYSPSGT2040N

spacer

hinge cover(1)

hinge cover(2)

side fitting(L)

side fitting(R)

function panel

shutter(pc)

foot

foot(battery)

SCREW

quantity to use

unit price Japan yen

168

672

168

total amount of money

336

168

336

168

672

168

672

336

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MP-C33DE-BU

Layout of main parts

Inverter board LCD panel LCD

PEN ass'y

Hinge cover (1)

RAM board

ROM board

Battery ass'y

Wire ass'y

Touch panel

Hinge cover (2)

Microphone

Mother board

Bottom case

Exclusive lithium ion battery pack

2-1

The Mother board is shown upside down due to the configuration of the parts. The exclusive lithium battery pack is shown in its removed condition.

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Disassembly and assembly methods

MP-C33DE-BU

The function panel and keyboard

Remove the three screws S1 from the bottom of the unit. (Fig. 1)

Peel off the four feet and remove the four screws S2. Note 1) Do not reuse the feed if they have lost their

adhesive properties. If the tip of a flat-blade screwdriver is used for peeling them off, take care not to scratch the bottom case. (Fig. 1)

Slide the slide knob to the left and remove the screw S3.

With the slide knob positioned on the left, remove the exclusive lithium ion battery pack. (Fig. 1)

Remove the two screws S4 and then remove the ROM cover. Note 2) The ROM cover need not be removed except

when replacing the bottom case.

Open the caps (Serial, USB, TEL). (Fig. 2)

Unlock the function panel. On the function panel lock P, release the locks from 1 to 8 as shown in the diagram on the right in order to free the function panel. Note 3)

Remove the microphone that is pushed into the center deep position on the backside of the function panel. Note 4) DO NOT lift the function panel abruptly. If it

Unplug the speaker wires from the connectors CN801 and CN802. Now the function panel is completely free and disengaged. Note 5) If any of the claws locking the function panel

10.

Disconnect CN301 and remove the keyboard by lifting it. (Fig. 3)

DO NOT lift the function panel abruptly after unlocking it. If it is lifted abruptly, the microphone and speaker wires connected to it could be disconnected.

is lifted abruptly, the speaker wires connected to it could be disconnected.

are damaged or whitened, do not reuse them.

Exclusive lithium ion

Exclusive lithium ion battery pack

S4 S4

battery pack

Foot

S2 S2

Slide knob

Rom cover

Foot

Fig. 1

Caps

Function panel

Fig. 2

Foot

Caps

* Main parts that can be replaced under the current condition:

Keyboard Function panel ROM cover Microphone

Screws used

S1: QYSPSP2004N S2: QYSPSF2005N S3: QYSSGT2040N S4: QYSSPT2050N

CN801

CN301

Fig. 3

Key boards

CN802

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MP-C33DE-BU

Function panel (back side) and mother/ ROM/RAM board

Remove the hinge covers (L, R). Note 6) The hinge cover provided with the boss is

(R).

(Fig. 4)

Remove the microphone cap. Note 7) Take care not to damage the claws. When

assembling, ensure that the claws are engaged correctly.

(Fig. 4)

Remove the shutter (PC) by twisting it.

(Fig. 4)

Remove the left and right speakers. Note 8) Do not reuse the spacers inserted below the

speakers.

(Fig. 4)

Remove the indicator.

(Fig. 4)

Remove the shutter (CF) by twisting it.

(Fig. 4)

Remove PCN1 from the mother board.

(Fig. 5)

Remove seven screws S7 and lift the mother board.

(Fig. 5)

Turn the mother board upside down, remove three screws S6 and remove the ROM and RAM boards.

(Fig. 5)

Note 9) When attaching the mother board, push it

toward the left (toward the PC card slot).

10.

Disconnect CN803 (microphone) and CN701 (wire assembly).

(Fig. 6)

Hinge cover (R) Hinge cover (L)

Microphone cap

Function panel (back side)

Speaker

Shutter (CF)

Fig. 4

Shutter (PC)

Speaker

Indicator

* Main parts that can be replaced under the current

condition:

Mother board Speakers ROM board RAM board Hinge cover (L) Hinge cover (R) Microphone cap Indicator Shutter (PC) Shutter (CF)

Screws Used

S5: QYSDSP2004Z S6: QYSPSP2003M S7: QYSPSP2005Z

Fig. 5

CN803

Microphone

Fig. 6

Wire ass'y

ROM board

RAM board

CN701

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LCD front and bottom case assembly

Remove the caps (Serial, USB, TEL).

(Fig. 7)

Remove the battery assembly and the IrDA screen.

(Fig. 7)

Remove the screws S13 and S14 and then remove the lock lever and the cover (R).

(Fig. 7)

Remove the two screws S7 and separate the LCD assembly from the bottom case.

(Fig. 7)

Ease up the side fitting (L) by sliding the side close to the screws S8 (which are actually invisible because they are located behind the side fitting) above the LCD. Then, while keeping the side fitting lifted, slide it toward the bottom of the LCD and gradually remove the side fitting. Note 10) Do not use the claws of the side fitting if they

are whitened.

Note 11) When attaching the side fitting for assembly,

ensure that there is no space left between it and the LCD front.

(Fig. 8)

Remove the side fitting (R) in the same way as above. (The above notes also apply to this procedure.)

LCD front. Note 12) Take care not to apply stress to the LCD.

(Fig. 8)

Cap

IrDA screen

Battery ass'y

Side fitting (L)

Lock lever

S13

Bottom case

Fig. 7

Cover (R)

MP-C33DE-BU

S14

Cap

Side fitting (R)

* Main parts that can be replaced under the current condition:

LCD front Lock lever Caps (Serial, USB, TEL) Side fitting (L) Side fitting (R) Cover (R) Battery assembly Bottom case IrDA screen

Screws Used

S7 : QYSPSP2005Z S8 : QYSSSPT2035Z S13: QYSSSGT2040N S14: QYSSSPT2050N

LCD front

Fig. 8

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MP-C33DE-BU

Assembly of the LCD and the LCD panel

To remove the hinge covers (1 & 2) and the hinge assembly, remove the three screws S10. Note 13) If the claws of the hinge covers (1 & 2) are

damaged or deteriorated, do not use them.

(Fig. 9)

Remove the PEN assembly.

Remove the screw S11 and lift the inverter board up. Remove CN1, CN2 and CN3 to separate the inverter board. Note 14) Take care when handling the flexible wire of

the touch panel.

(Fig. 9)

Remove the four screws S9 and lift the LCD up.

Remove NC4 and separate the LCD from the wiring assembly. Note 15) When a new wiring assembly is used, prepare

it in advance by using the provided jig.

(Fig. 9)

Remove the four spacers (2 types) attached to the four edges on the touch panel in order to peal off the touch pane. Note 16) Do not use the spacers or the touch panel

again once they have been removed. The touch panel is made from a very thin glass sheet and is very fragile. Be careful not to injure yourself with it.

(Fig. 9)

Remove the two screws S12 and then remove the buckle assembly.

Remove the cap.

(Fig. 10)

S11

CN2

Inverter board

Spacer

CN1

CN3

Cap

S10

Hinge cover (1)

Hinge cover (1)Hinge cover (1)

Hinge ass'y

LCD

Fig.9

S12 S12

Wire ass'y

PEN ass'y

CN4

S10

Hinge cover (2)

* Major parts that may be replaced under this condition.

LCD Inverter board Hinge assembly Cap LCD panel Touch panel Buckle assembly Wiring assembly PEN assembly Hinge cover (1) Hinge cover (2)

Screws Used

S9 : QYSDSP2004Z S10 : QYSPSPG2005Z S11: QYSSSGT2035M S12: QYSSSPT2050N

LCD panel

Fig. 10

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Arranging the wire assembly and the correct distribution of wiresmother/ ROM/RAM board assembliesassembly

Before using a brand-new wire assembly, arrange it by using the supplied jig. (Fig. 13)

MP-C33DE-BU

Previous forming of wire assembly

Left: 9-pin wire

Distribute the wires so that the formed point comes to the position of the hinge on the LCD panel. (Fig. 14)

Push in the wires below the plate. Lift the LCD and take care not to damage the wires.

The wires should not come on or over the rib.

Right: 14-pin wire

Wire ass'y

Use jig.

Status after forming using the jig

Fig. 13

Push in the thin wire first, then push in the thick wire above it.

Pass the wires between the ribs.

The 9-pin wire should be pushed in below the 14-pin wire.

LCD panel

Formed point

Fig. 14

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MP-C33DE-BU

Mother board assembly

Always remember to take proper countermeasure against static electricity when handling the circuit boards. Attach the two kinds of spacers (LE40777-001A and LE40777-003A) as shown in Fig. 15. Do not reuse the spacers if their adhesive properties have been lost.

FIG. A

RAM board

The pin should be hidden completely. Spacer (LE40777-001A)

Pin header

S6 (QYSPSP2003M) x 3.

(Back side)

FIG. B

RAM board

ROM board

Corner alignment

Should not be projected from the board edge.

Mother board

5mm±1mm5mm±1mm

Spacer x 4 (LE40777003A)

Should not be projected from the board edge.

Take care in handling:

Do not damage the switch located at the back side.

FIG. A

Mother board

Procedure for replacing a mother board...

Fig. 15

FIG. B

Alignment

Polyimide tape (width 10 mm)

Alignment

Fold the remainder on the back side. Note) Take care so that the tape does not cover the switch.

First of all, it is required to rewrite the UUID. Use the "UUID writing jig" for this purpose. The UUID refers to the specific number assigned to each Handheld PC set. The UUID number is recorded in the memory on the Mother board. The UUID number and the serial number are related to each other, so it is necessary to rewrite the UUID number when replacing the Mother board. The number to be written can be identified from the UUID Code File attached together with the "UUID writing jig".

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MP-C33DE-BU

Attaching spacers on the touch panel

Begin with attaching the right vertical spacer (LE40739-001A) on the elevated part as shown in the figure. (The outer edge of the spacer should not exceed the outer edge of the elevation.) Next, attach the left vertical spacer (the same part No. as above). Attach this spacer on the silver pattern of the touch panel as shown in the magnified view. (The outer edge of the spacer should not extend beyond the outer edge of the silver pattern. The inner edge of the silver pattern is permitted to be visible only if the visible pattern width does not exceed 0.5 mm.) Next, attach the top and bottom horizontal spacers (LE40739-003A) in any order. Their outer edge should not extend beyond the outer edge of the elevation. The distance between each horizontal spacer and right vertical spacer should be less than 1 mm.

Touch panel

Align edges.

Spacer

(LE10739-003A)

< 1 mm

Spacer

(LE40739-001A)

Spacer attaching position

Spacer

Max. 0.5 mm

Silver pattern The inner edge of the spacer should not extend beyond that of the silver pattern.

Fig. 16

Spacer

(LE40739-003A)

Align edges.

Spacer

(LE40739-001A)

< 1 mm

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MP-C33DE-BU

Basic Operation Checklist

After disassembly and reassembly, check operations by referring to the following checklist.

No.

Appearance

Power On

Setup

Alarm

Power Off

Brightness control

Touch panel

Shortcut key

Keyboard

Microphone/speakers

Headphones

IrDA

USB

PC card slot

CF card slot

Modular jack

Serial

Main battery

Backup battery

Reset

Cold reset

Check Item Check Procedure

There should be no lacking, disengaged or scratched part or any other abnormalities. Connect the AC adapter and press the power button. The Power LED should light up and a screen display should appear. Enter settings as instructed by the Setup menu. The setup should be made as entered and the desktop (Windows Powered) should be displayed after completion of the setup. Set alarm by selecting "Weltuhr" > "Signal". When the set time comes, the LED should blink and the alarm tone should be generated. (1) Press the power button. (2) Close the LCD panel. (3) Open the Start menu and select "Beenden". The suspend function should be activated by any of the above operations. Adjust brightness using "Alt + ;" and "Alt + :". The brightness should change according to the adjustment. Perform tapping, double tapping, dragging and image drawing (memo function). All of the above operations should occur as a result of performing above operations. Turn the power off and press the shortcut key.

The application assigned to the pressed key should start. Start Pocket Word and enter the desired characters. The characters should be displayed according to the pressed keys. Using the Voice Recorder, record audio using the built-in microphone and play it back. The intended audio should be recorded and played back (on both L + R channels). Connect headphones and play the MP3 sample file "Link To The World". The play back should occur (on both L + R channels). Transfer (send and receive) a file between two Windows CE machines. Data should be transferred correctly. Connect a USB mouse and perform double-clicking and right-button clicking. The pointer should be displayed and the intended operations should occur. Connect the USB camera and record an image using the still capture mode. The intended image should be displayed. Insert a PC card in the PC card slot. The card should be recognized. Insert a CF card (Memory) in the CF card slot. The card should be recognized Connect to the telephone circuit and access an Internet website by means of a dial-up

connection. The specified website page should be displayed. Connect the PC. "Verbunden" should be displayed. Connect to an external display. The display should show the screen. The power management display (Stromvers...) should be as follows. Battery drive : "Hauptbatterien" should be displayed. During recharge : "Lädt" should be displayed and the recharge LED should light up. No battery : "Extern" should be displayed. After suspend, disconnect the AC adapter and main battery temporarily. The memory should be backed up. (Reset start should not occur.) Turn power on and press RESET. The system should reboot. Press COLD RESET. The system should be in the initial condition when the power button is pressed.

(Note) After completing the above checks, press the COLD RESET key to prevent consumption by the backup battery.

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MP-C33DE-BU

VICTOR COMPANY OF JAPAN, LIMITED

IT NETWORK DIVISION, 1644, Shimotsuruma, Yamato, Kanagawa 242-8514, Japan

No. E1001

200111(S)

JVC MP-C33-DE-BU Service Manual

Contents

Service cautions and disassembly

Tools and instruments required

Cautions and requests related to servicing

Layout of main parts

Disassembly and assembly methods