Samsung YEPP YP-S2 User manual

SERVICE
Manual
YEPP
Model Name : YP-S2
Model Code : YP-S2ZW/EDC
YP-S2ZW/XSP
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-S2

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
© Samsung Electronics Co.,Ltd. May. 2008
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 .......................................................................................................2-5
3. Disassembly & Reassembly
3-1 Overall Disassembly & Reassembly..................................................................3-1
4. Troubleshooting
4-1 Checkpoints by Error Mode ...............................................................................4-2
4-2 Upgrade Methods ..............................................................................................4-16
5. Exploded View & Part List
5-1 Exploded View...................................................................................................5-2
5-2 Electrical Part List..............................................................................................5-4
6. PCB Diagram
6-1 PCB Top ............................................................................................................6-2
6-2 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
Fashionable Second MP3 player
- Fashion Necklace Type (5 Color)
Simple UI and Playlist Features
- Playlist creation and deletion features using the +/-
button’s Long- key
- Audio change feature using the Smart button’s Short- key
(Normal - Concert Hall - Club)
- Replay mode using the Smart button’s Long- key
(Normal (Blue) - Shuffle (Green-Blue-Purple)
- Playlist (Purple))
+/- Button
Smart Button

2-2 Samsung Electronics
Product Specification
2-2 Specifications
Basic Specification
Model Name
YP-S2
ZB ZW ZG ZR ZU QB QW QG QR QU
Capacity 1GB 2GB
Color Black White Green Red Purple Black White Green Red Purple
Voltage 3.7V
Dimensions (WxDxH)
/ Weight 16.6 x 41.15 x 42.385 mm / 16.2g
Noise Ratio 90dB with A filter
Earphone Output 16mW (16mW x 16mW, 16Ω)
Battery Type Li-Polymer Rechargeable Battery
(Built-in Rechargeable Battery Capacity 200 mAh)
Playback Time 13 Hours of Music Playback
(Based on MP3 128kbps, Volume 15, Normal (Blue LED) Audio Mode)
Supported Files MP3 / WMA / OGG (Q4~Q10) / MS DRM (9)

Samsung Electronics 2-3
Product Specification
2-3 Specifications Analysis
Model Name YP-S2 YP-U3
Photo
Basic
Storage TYPE Flash memory (MLC) Flash memory (MLC)
Display X (LED Display) 1 inch OLED
Platform Serenade (144pin) Serenade (POP)
Battery Li-Polymer Li-Polymer
Battery Capacity 200mAh 250mAh
Playback Time
(Earphone) 13hrs 15hrs
Color Black/Red/Purple/Green/White Black/Blue/Pink/Green/White
Capacity
512M X X
1G  
2G  
4G X
8G X X
Files
MP3  
WMA  
OGG (up to Q10) (up to Q10)
WAV X X
AAC X X
Audible X X
JPEG X X
FLAC X X
APE X X
WMV X X
MPEG4 (SVI) X X
Swf X X
Others X X
Sound
Preset EQ Normal Normal, Rock, Classical, Jazz, House, Ballad,
R&B, Dance
User EQ X(9 band control)
Special Effect DNSe Portable: 3D-Studio, 3D-Concert Hall DNSe Portable: 3D-User, 3D-Studio,
3D-Stage, 3D-Club, 3D-Concert Hall
Sound Feedback (AUI) X
Output Power 16mW 20mW/CH
Encoding
FM X
Programmed FM REC. X
Line in X X
Video X X
: application, X: non-application

2-4 Samsung Electronics
Product Specification
Model Name YP-S2 YP-U3
Photo
Tuner
FM X
RDS X
DMB X X
Etc. X X
Voice
Recording
Function
Voice Recording X
Recording Format X MP3
Recording Mode X 4 Mode (32Kbps ~128Kbps)
Function
(Music)
Playlist

Mobile Playlist (Favorite)
X

Mobile Playlist (Favorite)
PC Playlist (SPL, WPL)
Folder play (Browse) X
Library X(Artist, Album, Genre, Title DB sorting)
File Navigation X
Function
(Video)
Photo Viewer X X
Text Viewer X X
Game X X
Wallpaper X X
Clock X X
Etc. X X
Function
(Other)
Multi language menu X
16 LANUAGE
: KOR, ENG, FRA, GER, ITA, JPN, CHA-S,
CHA-T ,RUS, HUG, POR, SPA, DUT, POL,
SWE, Thai
Multi language tag
display X(16languages) + tag
Resume (Audio) (Audio)
Bookmark X X
DRM
Netsync (Korea)  
SKT Melon (Korea) X X
WMA DRM  
Janus X
: application, X: non-application

Samsung Electronics 2-5
Product Specification
2-4 Accessories
2-4-1 Supplied Accessories
Accessories Item Item code Remark
L
R
Earphones AH30-00105A
Samsung Service center
Direct Connect USB
Adaptor 3722-002740
Program Installation CD AH46-00059A

2-6 Samsung Electronics
MEMO

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 CABINET-
FRONT
1) Squeezing both sides with the left
hand, open at the crack that appears.
(Turn the set to open it.)
When removing it, be careful not to
make scratches.
2 CUSHION-
COVER
LENS
1) Remove the LED silicone from the
open machine.
3 FRAME-A 1) Remove 2 screws from FRAME-A.
: CH,+,B,M1.7,L4,ZPC(BLK)
4 BATTERY 1) Use the pin set to remove the
connector connected to the MAIN
PCB and remove the BATTERY.
2
1
1

3-2 Samsung Electronics
Disassembly & Reassembly
No Part Name Description Description Photo
5 MAIN PCB 1) Remove the MAIN PCB from the
CABINET-BACK.
6 CABINET-
BACK
/
KEY PAD
1) Remove the CABINET-BACK and
KEY PAD.
2) How the SET looks when completely
dismantled.

Samsung Electronics 4-1
Troubleshooting
4. Troubleshooting
4-1 Checkpoints by Error Mode ................................................................4-2
4-2 Upgrade Methods .................................................................................4-16

4-2 Samsung Electronics
Troubleshooting
4-1 Checkpoints by Error Mode
Oscilloscope Setting Values
Voltage/DIV 10us/div
TIME/DIV 1.0V/div
4-1-1 No Power
When the power does not
turn on
No
Finished
No
Does the battery
voltage appear? VBAT →
3.7V or more
The power does not turn on.
Does the
VDDio, VDDcore voltage
appear? C25 → 3V,
C24 → 1.2V
Does the
Crystal operate? X-TAL2 →
32.768KHz
Is the RTC
voltage applied?
R37 → 3.3V
A
Power-On
Replace malfunctioning
MAIN IC board
No
No
Is the X-tal2,
C43, C43, R30 solder
normal? (Is the solder
inadequate or is
there a Short?)
Replace malfunctioning
MAIN IC board
No
Yes
Yes
Yes
Yes
Yes
Yes
After adding or removing
solder
B
No
Refer to wave pattern
image of Fig. 4-3.
Refer to wave pattern
image of Fig. 4-1.
Refer to wave pattern
image of Fig. 4-2.
Refer to wave pattern
image of Fig. 4-4.

Samsung Electronics 4-3
Troubleshooting
Does the
Start key operate normally?
(If pressed does the
LED light up?)
AB
Is the Reset Port on
High? C40 → 3V
After
connecting the USB, is the
device recognized
by the PC?
If you
press the Play key
and the DNSE key (replay
mode) at the same time and
connect the USB, is it
recognized as a DFU
device?
Replace BOARD
(Requires close inspection)
Go to “4-1-5 Button does
not operate” flowchart
No
Go to “4-1-5 Button does
not operate” flowchart
No
Update the firmware and
recheck
Yes
Update DFU firmware and
recheck
Yes
Yes
Yes
No
No
Refer to wave pattern
image of Fig. 4-5.

4-4 Samsung Electronics
Troubleshooting
MAIN Page, 7-3
IC11
IC9
IC7
CON1
JACK2 1
12
4
5
6
PCB Bottom Page, 6-4
<Fig. 4-1>
1
1
1

Samsung Electronics 4-5
Troubleshooting
MAIN Page, 7-3
IC11
IC9
IC7
CON1
JACK2 1
12
4
5
6
PCB Bottom Page, 6-4
<Fig. 4-2>
2
2
3
3
2
3

4-6 Samsung Electronics
Troubleshooting
MAIN Page, 7-3
IC11
IC9
IC7
CON1
JACK2 1
12
4
5
6
PCB Bottom Page, 6-4
<Fig. 4-3>
4
4
4

Samsung Electronics 4-7
Troubleshooting
MAIN Page, 7-3
IC8
PCB Top Page, 6-2
<Fig. 4-4>
5
5
5