Samsung YP-U4 Bedienungsanleitung

SERVICE

Manual

YEPP

Model Name: YP-U4

Model Code : YP-U4JAB/EDC

YEPP

Refer to the service manual in the GSPN (see the rear cover) for the more information.

CONTENTS

1. Precaution

2. Product Specification

3. Disassembly & Reassembly

4. Troubleshooting

5. Exploded View & Part List

6. PCB Diagram

7. Schematic Diagram

YP-U4

This Service Manual is a property of Samsung Electronics

Co.,Ltd. Any unauthorized use of Manual can be punished

under applicable International and/or domestic law.

GSPN (Global Service Partner Network)

Area Web Site

North America service.samsungportal.com

Latin America latin.samsungportal.com

CIS cis.samsungportal.com

Europe europe.samsungportal.com

China china.samsungportal.com

Asia asia.samsungportal.com

Mideast & Africa mea.samsungportal.com

Printed in Korea

Contents

1. Precaution

1-1 Safety Precautions...........................................................................................1-1

1-2 Static Electricity Precautions............................................................................1-2

2. Product Specification

2-1 Product Feature ...............................................................................................2-1

2-2 Specifications...................................................................................................2-2

2-3 Specifications Analysis.....................................................................................2-3

2-4 Accessories......................................................................................................2-4

3. Disassembly & Reassembly

3-1 Overall Disassembly & Reassembly................................................................3-1

4. Troubleshooting

4-1 Checkpoints by Error Mode..............................................................................4-2

4-2 Upgrade Methods.............................................................................................4-10

5. Exploded View & Part List

5-1 Exploded View .................................................................................................5-2

5-2 Electrical Part List ............................................................................................5-4

6. PCB Diagram

6-1 MAIN PCB Top.................................................................................................6-2

6-2 MAIN PCB Bottom ...........................................................................................6-4

7. Schematic Diagram

7-1 Overall Block Diagram .....................................................................................7-2

7-2 MAIN................................................................................................................7-3

Samsung Electronics 1-1

Precaution

1. Precaution

1-1 Safety Precautions

1. To remove dust from cabinet, use a dry cloth without using liquid and aerosol cleaner.

2. You should not use attachments not recommended by the company. Otherwise, it may cause critical damage.

3. You should not use this product near water such as bathtub, swimming pool or lake etc.

4. Power supply: A type of battery as displayed on the label should be only used.

5. You should not put any object or liquid into product. Otherwise, it may cause failure or mal-operation.

6. If replacement material is required, service engineer should use materials with the same standard.

The use of non-standardized materials may cause failure of product.

1-2 Samsung Electronics

Precaution

1-2 Static Electricity Precautions

Some semi-conductor parts may be easily damaged due to static electricity.

These elements are generally called as static electricity sense device (ESD). Typically examples of EST include

IC, some transistor and chip element for semi-conductor with electrical field effect.

The following methods should be used to reduce damage of elements occurred due to static electricity:

1. Contact and emit all the grounding objects with static electricity from your body before handling with elements

for semi-conductor or devices with elements for semi-conductor. You should purchase and use static electricity

arm rings or commercially available. You should remove it due to potential shock before supplying power to the

device under test.

2. You should place appliance on the conductive surface like aluminum film to prevent that static electricity is

accumulated or the device is disclosed outside after removing electrical appliance with the ESD device.

3. You should use only soldering iron that is ground when soldering the ESD device.

4. Minimize physical operation when handling with the ESD device for replacement without packing (Otherwise,

namely friction between cloth fibers or lifting of the foot from the carpet floor may cause static electricity enough

to damage the ESD device).

Samsung Electronics 2-1

Product Specification

2. Product Specification

2-1 Product Feature

Convergence

- UMS/MTP Dual Support

Feature

- Supports Music Subscription SVC

- FM Radio & FM Recording

- Voice Recording

- Playback Speed Adjustment

- Interval Skip Playback

- (A-B) Section Repeat

- Data Cast

Usability

- Recently added playlist

- User Button

- DNSe 2.0

Semiautomatic Sliding USB

Light Effect Using White-LED

4Line 16-Gray OLED Display (128 x 64)

Sleek Touch Pad

2-2 Samsung Electronics

Product Specification

2-2 Specifications

Basic Specification

Rating DC 3.7V / 500mA

Built-in Battery Power 300 mAh / DC 3.7V

File Compatibility MPEG1/2/2.5 Layer3 (8kbps ~ 320kbps, 8kHz ~ 48kHz)

WMA (48kbps ~ 192kbps, 8kHz ~ 48kHz)

Supported Number of Files Folder: Max. 1000 / File: Max. 3000

Earphone Output 20mW/Ch. (based on 16Ω)

Output Frequency Range 40Hz ~ 20kHz

Signal to Noise Ratio 90 dB with 20 kHz LPF (based on 1kHz 0 dB)

Play Time Maximum of 16 hours for music playback

(based on: MP3 128kbps, Volume: 15, Normal Mode, Display Off)

Temperature Range for

Operation -5 ~ 35°C (23~95°F)

Case Plastics

Weight 0.97 oz

Dimensions (W x H x D) 1.06˝ x 3.27˝ x 0.51˝

FM Radio

FM Frequency 87.5 ~ 108.0MHz

FM Signal to

Noise Ratio 55 dB

FM T.H.D 1%

FM Useable

Sensitivity 38dBu

Samsung Electronics 2-3

Product Specification

2-3 Specifications Analysis

Model Name YP-U4 YP-U3

Photo

Color Black/Red/Blue Black/White/Pink/Green/Blue

PC Interface USB 2.0 USB 2.0

Power Battery time: Li-poly 16 Hours Battery time: Li-poly 15 Hours

LCD 16Gray 4Line OLED (128x64) Mono 4Line OLED (128x64)

Key Tact Key: Play (Power)/Rec (User)

Touch: FF/REW/Select/Vol+/Vol-/Back Tact Key: Play (Power)/Rec (User)

Touch: FF/REW/Menu/Vol+/Vol-

External Material IN-Mold Surface Deposition, IN-Mold

Accessory EP-370/Quick Guide/Install CD EP-360/Quick Guide/Install CD

PC Software Samsung Media Studio Samsung Media Studio

Minimum System

Requirements Windows 2000/XP/Vista

Pentium 500MHz Windows SE/ME/2000/XP

Pentium 133MHz

2-4 Samsung Electronics

Product Specification

2-4 Accessories

2-4-1 Supplied Accessories

Accessories Item Item code Remark

Earphones AH59-01884A

Samsung Service Center

Program Installation CD AH46-00058C

Samsung Electronics 3-1

Disassembly & Reassembly

3. Disassembly & Reassembly

3-1 Overall Disassembly & Reassembly

- Be careful to follow the disassembly sequence described in the manual. Otherwise, the product

may be damaged.

- Be sure to carefully read and understand the safety instructions before performing any work as

the IC chips on the PCB are vulnerable to static electricity.

- Assemble in the reverse order of disassembly.

No. Part Name Description Description Photo

1 ASSY-

WINDOW

LCD

1) With the USB hinge out, put the

disassembling tool into the hole in the

back of the serial label.

When separating them, be careful

not to make scratches.

2) Press on the disassembling tool

and lift the ASSY-WINDOW LCD.

3) Lift the Connector Locker and then

remove the ASSY-WINDOW LCD.

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