Panasonic SVMP-020-P Service manual

Specifications

Memory size:

Supported sampling frequency: MP3; 8 kHz to 48 kHz

WMA; 22.05 kHz, 32 kHz, 44.1

kHz and 48 kHz

Supported bit-rates:

No. of channels: Stereo, 2 channels

Frequency response: 20 Hz to 20,000 Hz (+ 0 dB, -6

Input (LINE):

Output: 3mW+3mW (16Ω ,3.5mm

Power supply:

Approximate play times: 80 hours

MP3; 8 kbps to 320 kbps (128

kbps is recommend)

WMA; 32 kbps to 192 kbps (96

kbps is recommend)

-14dB(0.2mV),3.5mm

(1/8” ) stereo mini jack

DC 1.5V (one alkaline battery)

2GB

dB)

TD0603004CE

Digital Audio Player

SV-MP020P

Colour

(W)................... White Type

(A).................... Blue Type

Dimensions (W x H x D):

Mass: 51.5 g with battery (1.82 oz.)

· Specifications are subject to change without notice.

· The play time shown depends on operating conditions.

· Mass and dimensions are approximate.

· GB means one billion bytes. Usable capacity will be less.

· This product supports the following character codes. The display

may not appear correctly with other character codes.

· The play time shown is when the bit rate is 128 kpbs (MP3), EQ

SETTING (NORMAL), SURROUND (OFF), REMASTER (OFF),

volume is 12, the backlight is not used, the ambiend temperature

is 25°C and supplied alkaline battery is used.

Maximum: 62.5 mm x 28.5 mm x

29.0 mm

( 2 4/9” x 1 1/8 “ x 1 1/7” )

Cabinet: 62.0 mm x 28.5 mm x

28.5 mm

(27/16”x11/8“x11/8”)

28.0 g without battery (0.98 oz.)

CONTENTS

Page Page

1 System requirements

1.1. Caution for maintainment

1.2. During the maintainment, the right of the song data of the

customer as below

2 Safety Precaution

SV-MP020P

2.1. Human body grounding 2

2.2. Work table grounding

3 Service Navigation

3.1. About Lead Free Solder (PbF)

4 Accessories

5 Location of Controls

6 Operation Checks and Component Replacement Procedures

6.1. Removal of the battery cover

6.2. Removal of the funtion button base

6.3. Removal of the front cabinet

6.4. Removal of the SUB P.C.B.

6.5. Removal of the main P.C.B.

6.6. Removal of the LCD Ass 馳

6.7. Removal of the LED P.C.B.

6.8. Removal of the LCD and sheet

6.9. Removal of the LCD piece and LCD holder

6.10. Removal of the holder piece

6.11. Removal of the USB cover

6.12. Removal of the hold knob

6.13. Removal of the battery terminal holder 8

6.14. Removal of the battery spring and spring holder

7 Service Position

8 Service Mode

8.1. Update or install the firmware(When replace DSP IC and

Flash Memory IC, please re-install the firmware and font

table.)

8.2. Reset procedure

8.3. Checking the software version

9 Troubleshooting

10 Troubleshooting guide

11 Type Illustration of ICs, Transistors and Diodes

12 Block Diagram

13 Schematic Diagram Notes

14 Schematic Diagram

15 Printed Circuit Board Diagram

16 Cabinet Parts Location

17 Packaging

18 Replacement Parts List

1 System requirements

1.1. Caution for maintainment

1. Please make a copy before maintainment.

2. When update the software, please re-install the firmware.

3. When replace DSP IC and Flash Memory, please re-install the firmware and font table.

2 Safety Precaution

2.1. Human body grounding

Use the anti-static wrist strap to discharge the static electricity from your body.

2.2. Work table grounding

Put a conductive material (sheet) or steel sheet on the area where the traverse deck (optical pick-up) is placed, and ground the sheet.

1.2. During the maintainment, the

right of the song data of the customer as below

1. When purchase the song from the web site, the songs has been encoded or limited for the time for using.

The right of custermer will lose one time.

2. The song that purchase from the web-site, the songs has been encoded but no limited for the time for using or the songe has not been encoded, the righ of customer will not be in fuenced.

3 Service Navigation

3.1. About Lead Free Solder (PbF)

Distinction of PbF PCB:

PCBs (manufacture d) using lead free solder will have a PbF stamp on the PCB

Caution:

· Pb free solder has a higher melting point than standard solder, Typically the melting point is 30-40° C higher.

Please use a high temperature soldering iron. In case of soldering iron with temperature control, please set it to 370±10° C.

· Pb free solder will tend to splash when heated too high (about 600° C).

· W hen soldering or unsoldering, please completely remove all of the solder on the pins or solder area, and be sure to heat

the soldering points with the Pb free solder until it melts enough.

4 Accessories

SV-MP020P

· USB Cable (with Line-in)

(K1HA05AD0004) ............................................................. 1pc.

· Strap Stereo earphones

(L0BAB0000197).................................................................1pc.

SV-MP020P

5 Location of Controls

MODE button

Skip/Search button

Display

Basic playback operations

Display the main menu:

Press [

Volume button

USB port

Turn on, off / Play/Stop button

]

Battery lid

HOLD switch

Earphones jack

Ø3.5mm (1/8") Stereo mini

Adjust the volume:

Press [

] or [ ] (0-25)

Turn ON: Press [ ] Turn OFF: Press and hold [ ]

•

"Good bye" is displayed, and the unit's power is turned off.

The power cannot be turned off while the

• menu is displayed.

Play/Stop: Press [ ]

When you next press [ play resumes from where you stopped it. (Resume)

Skip: Press [ ] (backward) or

] (forward)

[

Search: During play, press and

hold [ or [

] (backward)

] (forward)

SV-MP020P

6 Operation Checks and

Component Replacement Procedures

1. This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components.

2. For reassembly after operation checks or replacement, reverse the respective procedures special ressembly procedures are described only when required.

3. Select item from the following index when checks or replacement are required.

Contents

1. Checking for the main P.C.B.

2. Checking for the memory P.C.B.

3. Checking for the LCD ass’y.

4. Checking for the prevent electrostatic discharge.

6.1. Removal of the battery cover

6.2. Removal of the funtion button base

SV-MP020P

6.3. Removal of the front cabinet 6.4. Removal of the SUB P.C.B.

6.5. Removal of the main P.C.B.

SV-MP020P

6.6. Removal of the LCD Ass’y

6.8. Removal of the LCD and sheet

6.9. Removal of the LCD piece and LCD holder

6.7. Removal of the LED P.C.B.

SV-MP020P

6.10. Removal of the holder piece

6.11. Removal of the USB cover

6.13. Removal of the battery terminal holder

6.12. Removal of the hold knob

6.14. Removal of the battery spring and spring holder

7 Service Position

SV-MP020P

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