Samsung YP-U5 Service Manual
MP3 Player
Model Name : YP-U5
Model Code : YP-U5JQR/XAA
SERVICE
Manual
MP3 Player
CONTENTS
1. Precaution
2. Product Specification
3. Disassembly & Reassembly
4. Troubleshooting
5. Exploded View & Part List
6. PCB Diagram
7. Schematic Diagram
YP-U5
Refer to the service manual in the GSPN (see the rear cover) for the more information.
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
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.
© Samsung Electronics Co.,Ltd.
Printed in Korea
May. 2009
Contents
1. Precaution
1-1 Safety Precautions ...........................................................................................1-1
1-2 Static Electricity Precautions ............................................................................
2. Product Specification
2-1 Product Feature ...............................................................................................2-1
2-2 Specifications ...................................................................................................
2-3 Specifications Analysis .....................................................................................
2-4 Accessories ......................................................................................................
3. Disassembly & Reassembly
3-1 Overall Disassembly & Reassembly ................................................................3-1
1-2
2-2
2-3
2-5
4. Troubleshooting
4-1 Checkpoints by Error Mode.............................................................................. 4-2
4-2 Upgrade Methods
.............................................................................................4-18
5. Exploded View & Part List
5-1 Exploded View .................................................................................................5-2
5-2 Electrical Part List ............................................................................................
6. PCB Diagram
6-1 MAIN PCB Top ................................................................................................. 6-2
6-2 MAIN PCB Bottom ...........................................................................................
7. Schematic Diagram
7-1 Overall Block Diagram .....................................................................................7-2
7-2 MAIN ................................................................................................................
5-4
6-4
7-3
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.
Samsung Electronics 1-1
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).
1-2 Samsung Electronics
2. Product Specification
2-1 Product Feature
Fitness Mode
- A suitable mode for walking, jogging and other exercise.
(provides information such as timer, AUI and estimated burned calories)
PopCon (Pop art + icon: User selectable character)
- Not just a simple device, but recognized as one’s personal possession like an avatar.
→ Personalization
Slim Design
- Aimed at creating an entirely slim body, and actualizing the ‘clip concept’.
- Device thickness: 11.8 mm
Product Specification
Samsung Electronics 2-1
Product Specification
2-2 Specifications
Basic Specification
Rating DC 5.0V / 500mA
Built-in Battery Power
File Compatibility
Supported Number of
Folders/Files
Earphone Output
Output Frequency Range
Signal to Noise Ratio
Play Time
Temperature Range for
Operation
Case Plastics
Weight 0.81 oz
160mAh / DC 3.7V
MPEG1 Layer3 (8kbps ~ 320kbps, 32kHz ~ 48kHz),
MPEG2 Layer3 (32kbps ~ 160kbps, 16kHz ~ 24kHz),
MPEG2.5 Layer3 (32kbps ~ 160kbps, 8kHz ~ 12kHz),
WMA(48kbps ~ 320kbps, 8kHz ~ 48kHz),
ASF(Audio) (8kbps ~ 192kbps, 8 ~ 48kHz)
File: Max. 3000 (Including folder)
18mW/Ch. (based on 16Ω)
40Hz ~ 20kHz
88dB with 20kHz LPF (based on 1kHz 0dB)
Music: Max. 20 hours (MP3 128kbps, Volume: 15, Normal Sound Mode ,
LCD Off)
23 ~ 95°F (-5 ~ 35°C)
Dimensions (WxHxD)
FM Frequency
FM Signal to
Noise Ratio
FM
FM T.H.D
FM Useable
Sensitiivity
0.98˝ x 3.46˝ x 0.46˝
87.5 ~ 108.0 MHz
50 dB
1%
32dBμ
2-2 Samsung Electronics
2-3 Specifications Analysis
Model YP-U5 YP-U4
Photo
Product Specification
Basic
Memory
Files
Supported
Sound
Field
Storage Type
Display 16Gray 4Line OLED (128x64) 16Gray 4Line OLED (128x64)
Platform STMP3770 STMP3650
Battery Li-Polymer Li-Polymer
Battery Capacity
Playback Time
(Earphone)
Color Black / White / Red / Pink / Blue Black / Red / Blue
512M X X
1G X
2G
4G
8G
MP3
WMA
OGG
WAV X X
AAC X X
Audible X X
JPEG
FLAC
APE X X
WMV X X
MPEG4 (SVI)
Swf X X
Others X X
Preset EQ
User EQ
Special Effect
Sound Feedback
Speed Control
Alarm X X
Output Power
Flash memory (MLC) Flash memory (MLC)
160mAh 300mAh
20hrs 16hrs
X
(up to Q10) (up to Q10)
X X
Normal, Rock, R&B, Dance
Normal, Rock, Classical ,Jazz Ballad,
X
R&B, Dance
(7 Band Control) (7 Band Control)
DNSe Portable:
DNSe Portable:
3D-Studio, 3D-Concert Hall
3D-Studio, 3D-Club,
3D-Concert Hall
Street Mode / Clearity
(AUI) (AUI)
18mW/CH 20mW / CH
: application, X: non-application
Samsung Electronics 2-3
Product Specification
Model YP-U5 YP-U4
Photo
Encoding
Tuner
Voice
Recording
Additional
Functions
(Sound)
Additional
Functions
(Video)
Additional
Functions
(Other)
DRM
FM
FM REC.
Line In X X
Video X X
FM
RDS
DMB X X
Etc. X X
Voice Recording
Recording Format MP3 MP3
Recording Mode
Playlist
Folder Play (Browser)
Library
File Navigation
Photo Viewer
Text Viewer
Game X X
Wallpaper X X
Clock
Etc. Screen Saver Screen Saver
Multi Language Menu
Multi Language tag
Display
Resume
Bookmark X X
Netsync (Korea)
SKT Melon (Korea) X X
WMA DRM
Janus
4 Mode (32Kbps ~ 128Kbps) 4 Mode (32Kbps ~ 128Kbps)
Mobile Playlist (Favorite)
PC Playlist (SPL, WPL)
(Artist, Album, Genre,
- KOREA, ENG, FRA, GER, ITA, JPN,
CHA-S, CHA-T, RUS, HUG, POR,
SPA, DUT, POL, SWEDISH, Thai
(31 Languages) + tag (31 Languages) + tag
Mobile Playlist (Favorite)
PC Playlist (SPL, WPL)
(Artist, Album, Genre,
Title DB sorting)
Title DB sorting)
X X
X X
X X
30 Language
- KOREA, ENG, FRA, GER, ITA, JPN,
CHA-S, CHA-T, RUS, HUG, POR,
SPA, DUT, POL, SWEDISH, Thai
30 Language
(Audio) (Audio)
: application, X: non-application
2-4 Samsung Electronics
2-4 Accessories
2-4-1 Supplied Accessories
Accessories Item Item Code Remark
Product Specification
Earphones AH30-00111A
Clip AH61-02742A
User’s Manual AH68-02172Q
Samsung Service
Center
Samsung Electronics 2-5
MEMO
2-6 Samsung Electronics
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 Cover
USB
2 CABINET-
FRONT
/
CABINET-
REAR
1) Before disassembly
2) Remove the USB Assy Cover.
1) Remove the two screws on top of the
CABINET-FRONT.
: M14*L4
2) Face the back of the USB upwards
and put the tips of tweezers in
the hole of the HOLDER-TOP for
disassembly.
Be careful not to make any
scratches as you remove it.
Samsung Electronics 3-1
Disassembly & Reassembly
No. Part Name Description Description Photo
2 CABINET-
FRONT
/
CABINET-
3) Hold the CABINET-FRONT of the
USB with your hand and disassemble
the CABINET-REAR by slowly pulling
it with your thumb.
REAR
3 BATTERY 1) Be careful of the battery wire during
disassembly.
2) Disconnect the battery connector
using tweezers.
4 MAIN PCB 1) Disassemble the MAIN PCB by
slowly widening the CABINET-
FRONT with one hand while holding
the USB Jack with the other hand.
2) After disassembly.
3-2 Samsung Electronics
Troubleshooting
4. Troubleshooting
4-1 Checkpoints by Error Mode ................................................................4-2
4-2 Upgrade Methods .................................................................................
4-18
Samsung Electronics 4-1
Troubleshooting
4-1 Checkpoints by Error Mode
Oscilloscope Setting Values Normal Voltage 32.768KHz
Voltage/DIV 1V or 2V 0.2V
TIME/DIV 20ms 10us
4-1-1 If there is no power
No response on the display even
when pressing the power key.
Connect the
MP3 player to a PC and
charge it for 10 minutes, and
then check if the power
is turned on.
No
Does the PC
recognize the MP3 player
when connecting and
resetting it?
Yes
Yes
Complete
No
Power turns on, but it stops
after pressing the power key.
After resetting,
does the PC recognize the
MP3 player through a
recovery update?
Yes
After completing the recovery
update, check it again
No
Is the USB
incorrectly connected?
(See “Incorrect USB
Connection”)
No
Yes
After repairing the USB, check
it again. (See “USB Failure”)
No
Replace the battery and check
the voltage again.
1
Is the voltage on the battery
above 3.5V?
Yes
Is the power button faulty?
(See “Faulty Button”)
No
Replace the board.
(Detailed inspection is required.)
Refer to wave pattern
image of Fig. 4-1.
No
Yes
Charge
the MP3 player by
connecting to the PC for 10
minutes and check if the
voltage on the battery is
above 3.5V.
Yes
Complete
Repair the faulty power button
and check it again.
(See “Faulty Button”)
4-2 Samsung Electronics
5
4
3
A
CON3
IC1
IC7
1
Troubleshooting
1
MAIN, page 7-3
1
MAIN PCB Bottom, page 6-4
<Fig. 4-1>
Samsung Electronics 4-3
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