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Popular Samsung YP-NEU64B Manual Pages
Service Manual - Page 1
Block Diagram 7. Schematic Diagrams JUN. 2001 Printed in Korea AH68-00759A
SERVICE Manual
DIGITAL AUDIO PLAYER
CONTENTS 1. Location of Controls 4. PCB Diagrams 8. Precautions 2. Troubleshooting 5. Specifications 3. Exploded View and Parts List 6. DIGITAL AUDIO PLAYER
YP-NDU
ELECTRONICS
© Samsung Electronics Co., Ltd.
Service Manual - Page 2
... a foot from its protective package until you are electrically shorted together by static electricity. Samsung Electronics
1-1 The following techniques will be installed.
9. Many solder removal devices are called Electrostatically Sensitive Devices(ESDs); Do not remove a replacement ESDs from a carpeted floor can accumulate sufficient electrical charge to applring Power-this is an...
Service Manual - Page 3
Precautions
MEMO
1-2
Samsung Electronics
Service Manual - Page 4
... Card Socket 90dB(with alkaline batteries) 70x88x21mm(2.75"x3.46"x0.83")/76g(2.68 Oz; Specifications
Model Processor Memory Capacity Power Battery Dimensions (W x H x D) Case File Transmission Speed Memory Socket Noise Ratio Earphone Output Power Output Frequency Range
YP-NDU 12MHz, 16bit CISC Built-in Memory 32MB/64MB 3V Two AAA-Size/8-hr or...
Service Manual - Page 5
Specifications
MEMO
2-2
Samsung Electronics
Service Manual - Page 6
3. Location of Contols
3-1 Front Panel
3D button LCD
Voice Recorder button Repeat button
Mode/Section repeat button
Erase button
3-2 Rear Panel
Samsung Electronics
Stop/Power Off button Power On /Play /Pause button Volume control button FF button Equalizer button REW button Microphone Connection cable terminal
SmartMedia Card ...
Service Manual - Page 7
... Mode button
Front
Power ON/Play/Pause button
FF button Volume control button
Section repeat button (A B) Stop/Power OFF button
Rear
Hold switch Belt Clip
3-2
Samsung Electronics
Service Manual - Page 8
... Z1
No Recording
Faulty Z1, U15, U14
- Check TP1, TP2 - Mechanical parts
Soldering Replace Switch Replace main board
Faulty down load
- Open or Short on switch - Mechanical parts
- U1 Pin 17
Soldering Replace Switch
Replace remote control
Samsung Electronics
4-1 Troubleshooting
Symptoms
Possible Causes
Check Point
Action
No LCD
No Power Faulty LCD
- U14 Pin 11,12...
Service Manual - Page 10
No LCD Display
Check
YES
Power On
NO
Check D3-1
NO
>2.8V
YES
Check
NO
Y1(12MHz)
YES
Check between con7 and
U1-96,97,98,99
Troubleshooting
Check LCD Check KEY S1
Replace Main Board
Samsung Electronics
4-3
Service Manual - Page 11
Troubleshooting
No USB controller when USB cable connected
Check USB Cable
NO
(Connect message)
YES
Check Y3
NO
6MHz
YES
U17 -15,16
NO
Service Manual - Page 12
Troubleshooting
Play check (Play 1KHz 128Kbps)
Check Y2, 14.725
YES
Check U5-23,24,25 Digital Signal YES
Check U5 37, 41 Signal Signal (1KHz) YES
Check Phone Jack
YES
Play
NO(Replace Y2)
Replace Y2 Check Y2 and 14.725
NO YES (Replace U5)
NO (Replace U5)
Replace Sub Board
NO
Replace
Sub Board
NO
Replace
Sub Board
Samsung Electronics
4-5
Service Manual - Page 13
Troubleshooting
Display Invalid FLS
Check U1 & J7 between
NO
U1-51~58 and
J7-2~9
YES
Check J9 & U9,U10
NO
between J9,2~9
and U9,10-29~32,
41~44
YES
Replace Sub Board
Replace Main Board
Check Cold soldering J9, U9, U10
4-6
Samsung Electronics
Service Manual - Page 14
...;
Ø
¯
Parts No. Specification
ASSY-TOP;-,YP-NDU,USB KNOB-4;YP-ND,ABS,-,-,-,1,-,Cr-PLATING ASSY-BOTTOM;ASSY,YP-NDU,USB COVER-BATTERY;YP-ND,ABS,SILVER,-,-,1,-,C ASSY PCB-MICOM;YP-NDU(EUROPE2.0), MIC(ENG2.0) ASSY PCB-MICOM(CHA);YP-NDU(FM), MIC(CHA) ASSY PCB-MICOM;YP-NDU(FM), MIC(ENG) A/S MATERIAL ASS'Y;YP-NDP/U,Samsung,24 Pa LCD...
Service Manual - Page 15
Exploded View and Parts List
MEMO
5-2
Samsung Electronics
Service Manual - Page 19
PCB Diagrams
7-2 SMC
COMPONENT SIDE
SOLDER SIDE
7-2
Samsung Electronics
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