Sony NW-MS7 Service manual

NW-MS7

SERVICE MANUAL

Ver 1.2 2000. 09 With SUPPLEMENT-1 (9-927-626-81)

SPECIFICATIONS

Recording time

About 60 min. (132 kbps) About 80 min. (105 kbps) About 120 min. (66 kbps)

Sampling frequency response

44.1 kHz

Recording format

ATRAC3

Frequency response

20 to 20,000 Hz (single signal measurement)

Output

Headphone: stereo mini-jack

Signal-to-noise ratio (S/N)

More than 80 dB (excluding 66 kbps)

Dynamic range

More than 85 dB (excluding 66 kbps)

Operating temperature

5°C to 35°C (–41°F to 95°F)

Canadian Model

Australian Model

Dimensions (approx.)

37 × 96.3 × 19.2 mm

1/2 × 3 7/8 × 25/32 inches)

(1 (w/h/d, projecting parts not included)

Mass (approx.)

70 g (2.5 oz) (internal battery and a “Memory Stick” included)

Supplied accessories

64 MB “MG Memory Stick” (MSG-64A) AC power adaptor (AC-NW55NA) DC/USB adaptor Headphone Headphone extension cord USB cable CD-ROM Strap (US model) Carrying pouch (except US model) Instruction manual

Design and specifications are subject to change without notice.

US Model

AEP Model

UK Model

E Model

Power source

DC IN 3.7 V (internal Lithium-ion battery) DC IN 5.5 V (supplied AC power adaptor)

Battery life

About 4 hours

PORTABLE MEMORY STICK PLAYER

– 1 –

TABLE OF CONTENTS

1. GENERAL

Looking at the controls............................................................ 3

Installing the OpenMG Jukebox software ............................... 4

Transferring music data from the computer to the

Memory Stick Walkman .......................................................... 4

Listening to music with the Memory Stick Walkman ............. 5

Playing in Various Modes........................................................ 5

Changing the Display Mode.................................................... 6

Locking the Controls (HOLD) ................................................ 6

Changing the Settings of Memory Stick Walkman ................. 6

Names and Functions of the OpenMG Jukebox Window ....... 7

2. DISASSEMBLY

2-1. Lid, Battery Case.................................................................8

2-2. Lid Assy (Service), Upper...................................................9

2-3. Main Board ....................................................................... 10

2-4. LCD Block ........................................................................ 11

2-5. HP Board, CN Board ........................................................ 11

3. TEST MODE

3-1. General Information .......................................................... 12

3-2. Tools .................................................................................. 12

3-3. Setting the TEST MODE .................................................. 12

3-4. Releasing the TEST MODE.............................................. 12

3-5. Operations in the TEST MODE ........................................ 12

3-6. Creating the Memory Stick for Operational Check .......... 14

4. DIAGRAMS

4-1. IC Pin Description............................................................. 16

4-2. Block Diagram –Audio Section (1/2)– ............................. 19

4-3. Block Diagram –Audio Section (2/2)– ............................. 21

4-4. Block Diagram –Power Supply Section–..........................23

4-5. Printed Wiring Board –Main Board– ................................ 25

4-6. Schematic Diagram –Main Board (1/4)– .......................... 29

4-7. Schematic Diagram –Main Board (2/4)– .......................... 31

4-8. Schematic Diagram –Main Board (3/4)– .......................... 33

4-9. Schematic Diagram –Main Board (4/4)– .......................... 35

4-10. Printed Wiring Boards –CN Board, HP Board– ................ 37

4-11. Schematic Diagrams –CN Board, HP Board– .................. 39

4-12. IC Block Diagrams............................................................41

5. EXPLODED VIEWS ....................................................... 45

6. ELECTRICAL PARTS LIST ........................................ 46

IC Repairing

• Replacement of HD64F7198RVBP16 (IC701), MG IC ASSY

(IC702) and CXD1858GA (IC703) on main board used in this set requires a special tool. Therefore, they cannot be replaced.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY P ARTS WHOSE P AR T NUMBERS APPEAR AS SHO WN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

Flexible Circuit Board Repairing

• Keep the temperature of the soldering iron around 270°C during

repairing.

• Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times).

• Be careful not to apply force on the conductor when soldering or unsoldering.

Notes on Chip Component Replacement

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be

damaged by heat.

– 2 –

SECTION 1

GENERAL

This section is extracted from instruction manual.

Looking at the controls

Memory Stick Walkman

(front)

1 i (Headphones) jack (page 16) 2 Display (page 17, 20) 3 VOLUME +/- button (page 16) 4 Jog lever (page 16 - 25) 5 x (stop) button (page 16) 6 HOLD switch (page 21)

(rear)

7 Strap hole for attaching the strap

(supplied with U.S.A. model only)

8 RESET button (page 32) 9 MENU button (page 18 - 25) 0 DISPLAY button (page 20) qa EJECT lever (page 17) qs DC/USB adaptor plug (page 10) qd Memory Stick slot (page 13, 16)

Display

DC/USB adaptor

(front)

1 BATTERY CHARGE lamp (page 10) 2 Connector (page 10) 3 DC IN 5.5 V jack (page 10, 13)

(rear)

4 Release button (page 10) 5 USB jack (for the supplied USB cable)

(page 13)

1 Mega-bass (page 18) 2 AVLS (page 20) 3 Playback mode (page 19) 4 Battery remain indication (page 10) 5 Information

Track name, track number, counter, menu items, error messages, etc., are displayed. (page 17, 20)

– 3 –

Step 3: Installing the OpenMG Jukebox software

This section describes how to install the OpenMG Jukebox software to your computer. Before installation, turn on your computer, and start Windows 98.

Note

Be sure to install the software before connecting with the supplied USB cable. Do not install the software while connecting the USB cable. Connect the USB cable only after you have restarted the computer after installation.

1 Insert the supplied CD-ROM into the CD-ROM drive of your computer.

The Setup program automatically starts and the following window appears. If the program does not start, double-click [setup.exe].

2 Follow the instructions in the Installer window to complete the installation.

When the Input window for the CD key appears, input the CD key written on the CD-ROM case label . When the installation is finished, the following dialog box appears in the display.

Click Finish to restart the computer.

Note

Do not delete, move or modify the installed folder.

About the “OpenMG Registration” icon on the desktop

When you restart the computer after installing the software, the “OpenMG(NW-MS7) Registration” icon will appear on the desktop. Make sure that you can connect to Internet, then double-click this icon to start customer registration for this product (Memory Stick Walkman) and for the EMD services.

For details on registration, refer to the supplied leaflet.

continued

Notes on EMD (Electronic Music Distribution) services

To use OpenMG-enabled EMD services on the Internet, the following conditions are required.

• You need Internet access from your computer. (Sign up an Internet service provider.)

• You need to download several programs (e.g., EMD key installer).

To download these programs, double-click the “OpenMG Registration” icon, then follow the displayed instructions.

• You need to register yourself with the EMD service provider you are going to use. Consult the provider for details.

For current OpenMG Jukebox users

1 In order to update your OpenMG Jukebox software, your current software must be registered.

If your software is not registered, please register your current software now. If you are a registered user, proceed to step 2.

2 Insert the CD-ROM supplied with your new product. This will automatically run. If the

program does not start, double-click [Setup.exe]. Please follow the on-screen instructions to retain all existing music files and update your software.

3 After your update is completed, restart the computer.

Then double-click the “OpenMG(NW-MS7) Registration” icon on your desktop and follow the instructions to register.

Notes

• If the OpenMG Jukebox icon is displayed on the task tray, right-click the icon to choose [Remove from the task tray], then proceed with the installation.

• Be sure to input the CD keys of the CD-ROM you are going to install. If an error message appears in the display, check if the CD keys are of the correct CD-ROM case label.

Basic Operations

Transferring music data from the computer to Memory Stick Walkman

This section describes how to record the contents of a compact disc onto the hard drive of your computer, and then how to transfer it to Memory Stick Walkman (Check-Out).

You can also download by using EMD Services, or convert MP3 files and WAV format audio files. Please refer to the online help for more information.

1 Connect Memory Stick Walkman to your computer.

1 Insert “MagicGate Memory Stick.”

“MagicGate Memory Stick“

Memory Stick slot

2 Connect the AC power adaptor.

Connect the supplied AC power adaptor to an AC wall outlet, then into the DC IN 5.5V jack on the right side of the DC/USB adaptor.

USB cable (supplied)

Notes

• Do not connect more than two USB devices to your computer. Normal operation will not be guaranteed.

• Use of this player with a USB hub or a USB extension cable is not guaranteed.

• A malfunction may occur depending on the USB devices connected at any one time.

• Be sure to connect the player to an AC wall outlet when connecting it to your computer.

• When connecting Memory Stick Walkman to your computer for the first time, the USB driver Installer

window appears. Please follow the instructions in the Installer window.

Notes

• When connecting Memory Stick Walkman to your computer, make sure the erasure prevention switch of the “Memory Stick” (page 30) is OFF .

• Do not start your computer while Memory Stick Walkman is connected.

3 Connect Memory Stick Walkman to your

computer. Connect the small connector of the supplied USB cable into the USB jack on the left side of the DC/USB adaptor, then the large connector to the USB jack of your computer. “PC CONNECT” appears in the display.

to DC IN 5.5V

DC/USB adaptor

to AC wall outlet

AC power adaptor (supplied)

continued

Basic Operations

Transferring music data from the computer to Memory Stick Walkman (continued)

2 Start the OpenMG Jukebox software.

Double click the OpenMG Jukebox icon on the desktop or click [Start]–[Programs]– [OpenMG Jukebox]–[OpenMG Jukebox] The OpenMG Jukebox window appears.

Portable Player window (the music files inside the “Memory Stick” appear)

zIf the Start-Up function is ON

The OpenMG Jukebox software automatically starts when Memory Stick Walkman is connected to your computer. (Please refer to the online help for more information.)

3 Start recording.

You can record music from a compact disc onto the hard drive of your computer, using the OpenMG CD Recorder software. 1 Insert the compact disc you want to record into the CD-ROM drive of your computer. If

the OpenMG CD Recorder automatically starts, go to 3.

2 Click the [Recorder] button in the OpenMG Jukebox window.

The OpenMG CD Recorder window appears showing the contents of the compact disc.

If the message “Do you want to check your CD Drive to optimize for recording ?” appears in the display

This message appears when you use the OpenMG CD Recorder for the first time. We recommend you to choose “Yes.” You can optimize the CD drive later, too. Please refer to the online help for more information. (It may take maximum 20 minutes to optimize the CD drive.)

3 Click z.

bit rate z button

The recording begins. When recording is finished, the recorded music will appear in the OpenMG Jukebox window as a new album.

– 4 –

To stop the recording

23BBB

CCC

1TRACKAAA

Click x. The recording will be interrupted. Click z again to continue the recording.

zTo select only certain items

Click the check box of the contents you do not want to record to remove the check, then click z.

zOn the bit rate

You can choose the bit rate among 132kbps, 105kbps, 66kbps. If you choose a higher bit rate, recording will have better sound quality, however the recordable time will be shorter. If you choose a lower bit rate, you can record longer, however the sound will not be as good. See below for the recording time according to the bit rate when using the supplied 64MB “Memory Stick.”

• 132kbps: maximum 60 min.

• 105kbps: maximum 80 min.

• 66kbps: maximum 120 min.

(The recording time differs according to the number of songs you are recording.) To choose the bit rate, click [Control]-[Settings]. The Settings window appears. Click the Recording Setup tab and choose from the ATARC3 Bit rate list. Please refer to the online help for more information.

zTo name a new album or song

You can enter the name using the keyboard or bring the name from the Internet database. Please refer to the online help for more information.

4 Transfer the music file to the “Memory Stick” (Check-Out).

1 Check that the Portable Player window (page 14) is displayed on the right side of the

OpenMG Jukebox window.

2 Click the album which contains the songs you want to Check-Out.

The contents of the album appear.

3 Click the music item you want to Check-Out.

Click the music item while pressing the Ctrl key to choose more than one music item.

4 Click the

button.

The desired music item appears in the Portable Player window as Check-Out candidate.

Basic Operations

Listening to music with Memory Stick Walkman

Please charge the battery before use (see page 10).

Note

When using Memory Stick Walkman, be sure to disonnect it from the computer.

1 Insert a recorded “MagicGate Memory Stick” into Memory Stick Walkman.

“MagicGate Memory Stick“

Memory Stick slot

2 Connect the headphones.

to i jack

To use the headphones extension cord

to i jack

Headphones extension cord

Click here

To cancel the song added as Check-Out candidate, click the respective song in the Portable Player window, then click the

5 Click the START button.

The desired music item is Checked-Out to Memory Stick Walkman. During Check-Out the STOP button flashes. When Check-Out is finished, the indication changes to .

To quit Check-Out

Click the STOP button.

To Check-In

See page 28.

On other operations

Jog lever

Press upwards

Press

Press downwards

Pause

Go to the beginning of the actual track

Go to previous tracks

Go to the beginning of the next track

Go to the beginning of the succeding tracks

Go backward

Go forward

If you do not operate the player for 10 seconds

while in pause mode, the player automatically switches to stop mode.

To go backward or forward without listening to

the sound, press upwards or downwards and hold while in pause mode.

To select by track name

While in stop mode, press the Jog lever up or down and hold it still. Three track names are displayed. Press the Jog lever upwards or downwards to select the track, then press the Jog lever to playback.

Operation of the Jog lever

Press while in playback mode.

Press upwards once.

Press upwards continuously.

Press downwards once.

Press downwards continuously.

While playback, press up and hold still.

While playback, press down and hold still.

button.

To take out the “Memory Stick”

Slide the EJECT lever in the direction of the arrow as shown below.

EJECT lever

On the display

Press the DISPLAY button to change the display mode. See “Changing the display mode” (page 20) for more information.

Track number

001 02:01

Song

HAP Y B RT

title*

* Song title and album title are displayed when

information is recorded on the “Memory Stick.”

Bit rate

Album title*

ERITMY FAVOU

Elapsed time

: songs recorded

at 132kbps

: songs recorded

at 105kbps

: songs recorded

at 66kbps

Basic Operations

3 Start playback.

2 Press the VOLUME

+/- button up or down to adjust the volume.

Advanced Operations (Memory Stick Walkman)

Playing in various modes

MENU button

Emphasizing the bass sound (BASS)

Mega Bass function intensifies low frequency sound for richer quality audio reproduction.

Sound quality

OFF

normal play

ON-1

Mega Bass (moderate effect)

ON-2

Mega Bass (strong effect)

1 Press the MENU button.

The menu is displayed. Check that “BASS” is selected.

[RETURN] BASS O FF REPEAT OFF

2 Press the Jog lever.

Display indication

BASS

1 Press the Jog lever.

x button

HOLD switch

Jog lever

Display indication

none BASS

BASS

OFF

Playback stops automatically when the music reaches the end (only when REPEAT OFF is selected).

If playback does not start

The HOLD switch may be switched down. Please release it up (page 21).

To stop playback

Press the x button.

Tip

If you do not operate the player for 10 seconds while in stop mode, the display automatically turns off.

3 Select ON-1 or ON-2 using the Jog

lever.

4 Press the Jog lever. 5 Press the MENU button.

The display returns to normal.

Note

If the sound becomes distorted when emphasizing the bass, turn down the volume.

To exit from the Menu mode

Select [RETURN] in the menu or press the MENU button.

To cancel the MEGA BASS effect

Select OFF in step 3.

– 5 –

Playing tracks repeatedly (REPEAT)

You can play tracks repeatedly in three waysall repeat, single repeat and shuffle repeat.

Playback mode

OFF

normal

ALL

all tracks repeatedly

current track repeatedly

SHUF

all tracks repeatedly in random order

* The display indication appears after step 5.

1 Press the MENU button.

The menu is displayed.

2 Select “REPEAT” using the Jog

lever.

BASS O FF REPEAT OFF AVLS NORM

Display indication*

none

F 1

F SHUF

3 Press the Jog lever. 4 Select “ALL,” “1” or “SHUF” using

the Jog lever.

OFF

REPEAT

A1LL

5 Press the Jog lever.

The selected playback mode is displayed.

Display indication

BASS O FF

REPEAT ALS NRMV

6 Press the MENU button.

The display returns to normal.

To exit from the Menu mode

Select [RETURN] in the menu or press the MENU button.

To cancel the REPEAT mode

Select OFF in step 4.

Note

If there is no “Memory Stick” inserted, “REPEAT

----” appears in the display, and repeat mode cannot be selected.

continued

Playing in various modes (continued)

Protecting your hearing (AVLS)

The AVLS (Automatic Volume Limiter System) function keeps down the maximum volume to protect your ears.

1 Press the MENU button.

The menu is displayed.

2 Select “AVLS” using the Jog lever.

Advanced Operations (Memory Stick Walkman)

REPEAT OFF AVLS NORM BEEP OFF

3 Press the Jog lever. 4 Select “LIMIT” using the Jog lever.

NORM

AVLS

LIMIT

5 Press the Jog lever.

The AVLS indication is displayed.

AVLS indication

REPEAT OFF AVLS

LIMIT

BEEP OFF

The volume is kept to a moderate level.

6 Press the MENU button.

The display returns to normal.

To exit from the Menu mode

Select [RETURN] in the menu or press the MENU button.

To cancel AVLS

Select NORM in step 4.

Changing the display mode

You can change the display mode and display the track number, the remaining time, etc. while in playback or stop mode.

DISPLAY button

Press the DISPLAY button.

Each time you press the DISPLAY button, the display changes as shown below.

Album

Track number

001 02:01

Song

HAP Y B RT

title

Number of remaining tracks*

When playing in repeat mode, “-----” appears instead of the number of remaining tracks and the total time remaining.

001 04:18

REMEIN

008 54:11

REM IN

ALL

HAP

YBRT

title

ERITMY FAVOU

Elapsed

time Bit rate

Remaining

RITMY FAVOU

time of the current track

ERITMY FAVOU

Total time remaining *

Song title* (only while in play /

pause mode)

Locking the controls (Hold)

To prevent the controls from being accidentally operated when you carry the player, use this function.

HOLD switch

Slide the HOLD switch in the direction of the arrow.

No controls will be able to operate. (except the EJECT lever)

If you press buttons other than the Jog lever or the EJECT lever while the HOLD switch is ON, HOLD appears in the display. The current time appears in the display when you press the Jog lever while the HOLD switch is ON. (See page 24)

To release the Hold function

Slide the HOLD switch in the opposite direction of the arrow.

Changing the settings of Memory Stick Walkman

MENU button

To turn off the beep sound (BEEP)

BEEP ON: a beep will sound to indicate that

operation has been accepted.

BEEP OFF: no beep sound will be heard.

1 Press the MENU button.

The menu is displayed.

2 Select “BEEP” using the Jog lever.

AVLS NORM BEEP ON LIGHT OFF

3 Press the Jog lever. 4 Select “OFF” using the Jog lever.

BEEP

5 Press the Jog lever. 6 Press the MENU button.

The display returns to normal.

To exit from the Menu mode

Select [RETURN] in the menu or press the MENU button.

To cancel the Beep function

Select ON in step 4.

OFF ON

Jog lever

continued

Changing the settings of Memory Stick Walkman

(continued)

To change the display backlight setting (LIGHT)

You can select from the following 3 settings.

Backlight mode

OFF

always off

turns on during operation*

OPR

turns on for three seconds after each operation

* The battery life is shorter if ON is selected.

1 Press the MENU button.

The menu is displayed.

2 Select “LIGHT” using the Jog lever.

BEEP OFF LIGHT OFF CONTRAST

3 Press the Jog lever. 4 Select a backlight mode using the

Jog lever.

OFF

LIGHT ON

OPR

5 Press the Jog lever. 6 Press the MENU button.

The display returns to normal.

To exit from the Menu mode

Select [RETURN] in the menu or press the MENU button.

To adjust the LCD contrast (CONTRAST)

1 Press the MENU button.

The menu is displayed.

2 Select “CONTRAST” using the Jog

lever.

LIGHT OFF CONTRAST TITLE J PN

3 Press the Jog lever. 4 Select the contrast using the Jog

lever.

You can adjust between -5 and +5

CONTRAST

5 Press the Jog lever. 6 Press the MENU button.

The display returns to normal.

To exit from the Menu mode

Select [RETURN] in the menu or press the MENU button.

– 6 –

To format the “Memory

Stick” (FORMAT)

If you need to format the “Memory Stick,” use this player.

If formatted, all data previously recorded on the “Memory Stick” will be erased. Be sure to check the data of the “Memory Stick” before formatting (data recorded using other devices will also be erased).

A commercially available “Memory Stick” is already formatted at the factory.

The supplied “Memory Stick” is also formatted.

Notes

• Be sure to connect the player to a power source with the AC power adaptor.

• You cannot use a “Memory Stick” that has been formatted using the computer.

1 Press the MENU button.

The menu is displayed.

2 Select “FORMAT” using the Jog

lever.

TITLE J PN FORMAT DATE&TIME

3 Press the Jog lever. 4 Select “YES” using the Jog lever.

YEFORMATONS

5 Press the Jog lever.

“FORMAT OK?” appears in the display.

OKFORMAT ?

6 Press the Jog lever.

“FORMATTING” appears in the display, and the formatting of the “Memory Stick” begins.

TIFORMAT NG

When formatting is finished, “COMPLETE” appears in the display, and returns to the menu in step 2.

7 Press the MENU button.

The display returns to normal.

To exit from the Menu mode

Select [RETURN] in the menu or press the MENU button.

To cancel the formatting

Select “NO” in step 4 or press any button other than the Jog lever in step 5.

Notes

• You cannot format while playback or in pause (“FORMAT” will not be displayed).

• If the erasure prevention switch of the “Memory Stick” is ON, “LOCKED” appears in the display, and you cannot format the “Memory Stick.”

• Do not take out the “Memory Stick” or unplug the AC power adaptor when “FORMATTING” is displayed.

Changing the settings of Memory Stick Walkman

(continued)

To set the date and time (DATE & TIME)

You can set the current date and time and display it. To play a music item with a playback period restriction (page 5), you need to set the date and time.

1 Press the MENU button.

The menu is displayed.

2 Select “DATE&TIME” using the Jog

lever.

FORMAT DATE&TIME

3 Press the Jog lever.

A cursor appears under the year.

DATE&TIME

Y 1 M 1 D

0:00

4 Set the year using the Jog lever. 5 Press the Jog lever.

The cursor moves to the month.

DATE&TIME

Y 1 M 1 D

0:00

6 Do the same to set the month, day,

hour and minutes, and then press the Jog lever.

7 Press the MENU button.

The display returns to normal.

To switch between 24 hour display and 12 hour display

Press the DISPLAY button during the setting.

To exit from the Menu mode

Select [RETURN] in the menu or press the MENU button.

To display the current time

You can display the current time by any of the following ways.

• Press the Jog lever while the display is OFF and the HOLD switch is ON. t The current time is displayed for 3 seconds

while the Jog lever is being pressed.

• Press the Jog lever while the display is ON and the HOLD switch is ON. t The current time is displayed while the Jog

lever is being pressed.

• Press the DISPLAY button for a while when the HOLD switch is OFF. t The current time is displayed while the

DISPLAY button is being pressed.

continued

Advanced Operations (OpenMG Jukebox)

Names and functions of the OpenMG Jukebox window

qa 0

1 Menu bar: for details on each menu items,

see page 28.

2 Operation buttons: you can play or adjust

the volume, etc.

3 Close button: quits the OpenMG Jukebox

software. (You can also quit by clicking [File]–[Quit])

4 Portable Player: opens the Portable Player

window (page 27)

5 Edit My Select: opens the My Select

window.

6 Song title list: displays the song titles

listed in the selected album/Filter

7 Album title list: displays the album/Filter

titles in the OpenMG Jukebox

8 You can choose to display the album list,

the Filter, etc.

9 Internet: for using EMD services 0 Recorder: opens the OpenMG CD

Recorder window

qa Playback mode buttons: you can set the

shuffle mode, repeat mode, etc.

Portable Player window

When you connect Memory Stick Walkman to the computer, the Portable Player window appears in the display on the right side of the OpenMG Jukebox.

Advanced Operations (OpenMG Jukebox)

qs You can use these buttons to operate the

OpenMG Jukebox software (see page 26 for more information).

qd CHECK IN/OUT START (STOP) button:

starts or stops the Check-In/Out

qf Name of the connected portable player

(such as Memory Stick Walkman)

qg Memory space on the “Memory Stick” or

memory used for audio files, and total memory capacity*

qh RETURN button: closes the Portable

Player window

qj Album title of the “Memory Stick” qk Displays the song titles recorded on the

“Memory Stick”

ql Check-In/Out buttons (to start Check-In/

Out, click the START button next)

* When using a 64MB “Memory Stick,” “61.8MB”

appears in the display as the total memory capacity. This number is a result of subtracting memory for the system operation of Memory Stick Walkman.

– 7 –

SECTION 2

DISASSEMBLY

Note : This set can be disassemble according to the following sequence.

Set

Note : Follow the disassembly procedure in the numerical order given.

Lid, Battery Case Case Assy Main Board

LCD Block HP Board, CN Board

2-1. LID, BATTERY CASE

case

2 – 5

Use your fingernail to push the “lid, battery case” up.

1 Move the stopper in the direction of the arrow with a screwdriver or other means, then push in the claw.

Note:Do not push the stopper downward. The LCD unit may be damaged.

LCD unit

3 claw

lid, battery case

5 claw

2 claw

4 claw

8 lid, battery case

– 8 –

7 CN501

6 claws

2 B1.7x9

1 CN701

2-2. LID ASSY (SERVICE), UPPER

Note : When removing the “lid assy (service), upper”, remove the parts

in the following order as the claws are easy to be broken.

9 Use your fingernail to push the “lid assy (service), upper” up.

Push the “lid assy (service), upper” or spread the case to detach the claw.

8 claw

lid assy (service), upper

case

4 Push the case.

7 claw

6 claw

5 claw

4 – 7

Use your fingernail to push the “lid assy (service), upper” up.

3 Use your fingernail to push the “lid assy (service), upper” up.

– 9 –

• Note for installation

LCD unit

flexiblecable

Place the slag in the flexible cable under the LCD unit.

LCD unit

Insert the memory stick and check for opening and closing of the shutter. If NG, the memory stick shutter cannot be fully closed, which disallows the connector shutter to be opened.

LCD unit

2-3. MAIN BOARD

Note : When installing, fit the knob (HOLD) and switch (S806).

Note: Be careful no to damage the claw of switch S806.

Push out a little.

When installing, adjust the knob (EJECT) to the claw on the eject mechanism.

1 M 1.4

4 CN707

knob (HOLD)

Spread a little.

5 CN706

6 MAIN board

knob (EJECT)

MAIN BOARD

– 10 –

1 screw

3 screw

2 HP board

4 CN board

2-4. LCD BLOCK

4 claw

3 claw

7 LCD block assy

2 claw

5 CN702

2-5. HP BOARD, CN BOARD

8 MAIN board

1 Removal the solders.

– 11 –

SECTION 3

BASSwa31SHUFu

TEST MODE

3-1. GENERAL INFORMATION

In this set, the functions and audio capabilities can be checked by entering the TEST MODE.

3-2. TOOLS

1. Memory stick player NW-MS7

2. Test memory stick

Note:This test requires the memory stick for operational check.

Once created, the memory stick for test may be used for each test. For information on how to create this stick, see “3-6. Creating the Memory Stick for Operational Check.”

3-3. SETTING THE TEST MODE

1. Insert the MG memory stick into the main unit.

2. While holding down the x (STOP) key and the B (PLAY) key, push the RESET button. (Release the RESET button first.)

3-4. RELEASING THE TEST MODE

1. When the test mode is completed, push the RESET button.

3-5. OPERATIONS IN THE TEST MODE

Once the Test Mode is entered from the normal mode, the system will present the displays below.

The system will proceed to the next step each time the x (STOP) key is pressed.

test No. display test item display

STEP Test item

-1 RAM test 32-bit data. (The ROM checksum is also checked in this step.)

0 LCDs all ON/all OFF Test ¢1 1 BEEP generation Test ¢1 Continuously sounds BEEPs. 2 Destination setting Test ¢2 SEL SIMUKE 3 Test ¢3 E2P WRITE (Do not operate)

4 EEPROM check Test ¢4 E2P CHECK (Do not operate)

5 Reference signal level Test ¢5 SoundTest memory stick is played back, and the headphone output is 001

Frequency characteristic

20 Hz (XP) Frequency characteristic

20 kHz (XP) Frequency characteristic

20 Hz (SP) Frequency characteristic

20 kHz (SP)

A De-Emphasis 5 kHz (XP) Test ¢A SoundTest

B De-Emphasis 16 kHz (XP) Test ¢B SoundTest

Test No. Test item

Display display

The address and data buses are tested by reading/writing

The backlight turns on to indicate that this test is OK.

1.¢1b Check for unusual condition in any LCD segments and (Ver. No.) common signal. Visually check.

The destination is set by pressing the B (PLAY) KEY. (For example, For A t B KEY t For B t B KEY t For C)

The backlight turns off, 1 kHz (0 dB) reference in the test

set to the reference output value (Vol. 23).

Test ¢6 SoundTest SP/20 Hz (0 dB) in the test memory stick is played back. 002

Test ¢7 SoundTest SP/20 kHz (0 dB) in the test memory stick is played back. 003

Test ¢8 SoundTest XP/20 Hz (0 dB) in the test memory stick is played back. 004

Test ¢9 SoundTest XP/20 kHz (0 dB) in the test memory stick is played back. 005

5 kHz (–4.53 dB) emphasis off in the test memory stick is played back. 16 kHz (–9.04 dB) emphasis off in the test memory stick is played back.

Description of the test playback

Test MS

track

006

007

– 12 –

+ 27 hidden pages