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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

Содержание YP-U4

Страница 1: ...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 ...

Страница 2: ...r 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 Aug 2008 Printed in Korea ...

Страница 3: ...ons 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 ...

Страница 4: ...itical 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 sta...

Страница 5: ...tor 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 ele...

Страница 6: ...ort 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 ...

Страница 7: ...000 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 1...

Страница 8: ...CD 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 P...

Страница 9: ... 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 ...

Страница 10: ...ns 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 A...

Страница 11: ... Photo 2 FRAME 1 Remove the 2 screws CH B M1 4 L4 NI PLT 2 Lift and remove the FRAME by the part where the pin set appears 3 MAIN PCB 1 Remove the USB FPCB then hold the ASSY CABINET BACK by the top and bottom and lift and remove the MAIN PCB 2 Appearance when disassembly is complete ...

Страница 12: ...Samsung Electronics 4 1 Troubleshooting 4 Troubleshooting 4 1 Checkpoints by Error Mode 4 2 4 2 Upgrade Methods 4 14 ...

Страница 13: ...Yes No C40 1 8V C45 3 0V Power Check No No No BATTERY Power Check TP1 TP2 Check Does the X TAL1 CLOCK appear No Defective Yes Done Yes Yes Yes Refer to wave pattern image of Fig 4 2 Check the charge in the BATTERY unit Refer to wave pattern image of Fig 4 1 Refer to wave pattern image of Fig 4 3 The power does not turn on Is the firmware upgraded see 4 2 Upgrade Methods ...

Страница 14: ... 3 Troubleshooting MAIN Page 7 3 Voltage DIV 1 0V div TIME DIV 500us div Voltage DIV 1 0V div TIME DIV 500us div CON2 MIC1 IC12 IC3 IC6 IC4 IC11 IC1 JACK1 5 4 3 2 1 1 2 3 4 5 B A MAIN PCB Bottom Page 6 4 Fig 4 1 1 2 1 2 1 2 ...

Страница 15: ...4 4 Samsung Electronics Troubleshooting MAIN Page 7 3 Voltage DIV 0 5V div TIME DIV 20us div CON2 MIC1 IC12 IC3 IC6 JACK1 5 4 3 2 1 B A MAIN PCB Bottom Page 6 4 Fig 4 2 3 3 3 ...

Страница 16: ...Samsung Electronics 4 5 Troubleshooting MAIN 7 3 Page Voltage DIV 2 0V div TIME DIV 100us div CON2 MIC1 IC12 IC3 JACK1 5 4 3 2 2 3 4 5 B A MAIN PCB Bottom 6 4 Page Fig 4 3 4 4 4 ...

Страница 17: ...fer to wave pattern image of Fig 4 4 No Sound Are the earphones inserted normally Does the same symptom persist even after replacing the earphones Does the R L CH come out normally Does the YEPP LOGO SONG play Does it play after adding solder to the JACK Can audio stoppage or interference be heard Can it be heard when playing other files Do the symptoms appear even after upgrading to the latest fi...

Страница 18: ...Samsung Electronics 4 7 Troubleshooting MAIN Page 7 3 Voltage DIV 0 5V div TIME DIV 500ms div CON2 MIC1 IC12 IC3 JACK1 5 4 3 3 4 5 B A MAIN PCB Bottom Page 6 4 Fig 4 4 1 1 1 1 ...

Страница 19: ...portable disk Is the USB port not stuck upside down No Is there a USB mass storage device in the Device Manager Yes Is there a YP U4 USB Device in Disk Drives No Does it update with the Updater Is there ACCESS Does it format in Windows Explorer Check if any collision for the disk drive volume Yes No Does it connect after replacing the BOTTOM CABINET Replace PCB ASSY No Yes No No No Yes Yes No Yes ...

Страница 20: ...assemble it and check if the TOUCH FPCB is properly connected to the Connector Done Disassemble the body and check if the TOUCH PAD has come loose from the device Yes No Yes No Yes No Is the SWITCH turned to HOLD OFF Do the TOUCH KEYS respond Is the TOUCH PAD malfunctioning Check if the TOUCH PAD operates normally ...

Страница 21: ...n normally but no USB connection can be made The product s icons appear garbled or malfunction Files are corrupted or the product shows as a removable storage in Windows but cannot be accessed 4 2 1 Firmware Upgrade Method 1 Press the YP U4 Updater icon in the background and run the program 2 Run the YP U4 Updater program 3 Press the RESET switch on the back of the set 4 With the USER button press...

Страница 22: ...e set s POWER button and the upgrade begins automatically 7 After the set upgrades wait until the USB connects again 8 Press the POWER ON switch and check the version 9 Go to Settings System System Info and check the firmware version If there is not enough battery the upgrade will not proceed If this occurs you must connect the USB or the charging cord for it to proceed properly ...

Страница 23: ...MEMO 4 12 Samsung Electronics ...

Страница 24: ...Samsung Electronics 5 1 Exploded View Part List This Document can not be used without Samsung s authorization 5 Exploded View Part List 5 1 Exploded View 5 2 5 2 Electrical Part List 5 4 ...

Страница 25: ...5 2 Samsung Electronics Exploded View Part List This Document can not be used without Samsung s authorization 5 1 Exploded View AK200 AP085 AC010 AC000 AK415 AS040 AK416 AK315 AK280 ...

Страница 26: ...0 L2 6 BLA 1 SA AK280 AH64 04662A KNOB PLAY YP U4 PC T2 4 W24 2 L2 7 BLA 1 SA AK315 AH64 04664A KNOB RESET YP U4 PC T2 4 W14 0 L11 0 B 1 SA AK415 AH64 04663A KNOB USB YP U4 PC T2 4 W10 0 L3 0 BLA 1 SA AK416 AH64 04328A KNOB USB SPRING YP U3 SWP B T0 3mm 1 SA AP085 AH61 02618A PLATE REFLECT YP U4 PC ACRYL T0 5 W8 6 L 1 SNA AS040 6003 001166 SCREW TAPTITE CH B M1 4 L4 NI PLT SWRC 3 SA HINGE AH97 026...

Страница 27: ...HIP 10nF 10 10V X7R 0603 1 SA C6 2203 005900 C CER CHIP 1000NF 80 20 10V Y5V 1 1 SA C60 2203 000278 C CER CHIP 0 01nF 0 5pF 50V C0G 100 1 SA C61 2203 000278 C CER CHIP 0 01nF 0 5pF 50V C0G 100 1 SA C62 2203 006890 C CER CHIP 10000nF 20 6 3V X5R 160 1 SA C63 2203 006474 C CER CHIP 22000nF 20 6 3V X5R 201 1 SA C64 2203 006423 C CER CHIP 100nF 10 6 3V X5R 0603 1 SA C65 2404 001418 C TA CHIP 10uF 20 2...

Страница 28: ...P 47Kohm 5 1 20W TP 0603 1 SA R7 2007 008516 R CHIP 10Kohm 5 1 20W TP 0603 1 SA R8 2007 000139 R CHIP 220ohm 5 1 16W TP 1005 1 SA R9 2007 008483 R CHIP 47Kohm 5 1 20W TP 0603 1 SA S W1 3404 001200 SWITCH TACT 12V DC 50MA 160GF 3 9X2 1 SA S W2 3404 001152 SWITCH TACT 12V DC 20mA 160gf 4 5x4 1 SA S W3 3404 001152 SWITCH TACT 12V DC 20mA 160gf 4 5x4 1 SA S W4 3408 001038 SWITCH SLIDE 4V 300mA SPST ON...

Страница 29: ...5 6 Samsung Electronics MEMO ...

Страница 30: ...Samsung Electronics 6 1 PCB Diagram 6 PCB Diagram 6 1 MAIN PCB Top 6 2 6 2 MAIN PCB Bottom 6 4 ...

Страница 31: ...6 2 Samsung Electronics PCB Diagram IC10 CON5 CON3 CON4 5 4 3 2 1 A B 1 2 3 4 5 B A 0 0 6 1 MAIN PCB Top 1 1 LCD CONNECTOR 2 FLASH MEMORY 3 USB FPCB CONNECTOR 4 TOUCH KEYPAD CONNECTOR 2 3 4 ...

Страница 32: ...7 RESET 8 D C 9 CE 10 RD 11 D 0 12 D 1 13 D 2 14 D 3 15 D 4 16 D 5 17 D 6 18 D 7 19 GND 20 LCD_TP 3 CON3 USB FPCB CONNECTOR Pin No Signal 1 TX 2 RX 3 GND 4 D 5 D 6 GND 7 USB5V 8 PBA_CE 4 CON4 TOUCH KEYPAD CONNECTOR Pin No Signal 1 MENU KEY 2 LED2 3 LED3 4 VDD_BATT 5 LED1 6 N C 7 FF KEY 8 VOLUME 9 SEL KEY 10 REW KEY 11 VOLUME 12 N C ...

Страница 33: ... MIC1 IC12 IC3 IC6 IC4 IC11 IC7 IC1 JACK1 5 4 3 2 1 A B 1 2 3 4 5 B A 0 0 6 2 MAIN PCB Bottom TP1 1 BATTERY CONNECTOR 2 FM IC 3 MAIN IC 4 SDRAM 5 OLED POWER IC 6 TOUCH SENSOR IC 7 OVP IC 8 RESET S W 9 MIC TP5 TP2 TP3 TP4 1 2 3 5 6 8 7 9 TP5 4 ...

Страница 34: ...Samsung Electronics 6 5 PCB Diagram 6 2 1 Test Point Wave Form TP1 TP2 TP3 TP4 TP5 ...

Страница 35: ...6 6 Samsung Electronics MEMO ...

Страница 36: ...Samsung Electronics 7 1 Schematic Diagram This Document can not be used without Samsung s authorization 7 Schematic Diagram 7 1 Overall Block Diagram 7 2 7 2 MAIN 7 3 ...

Страница 37: ...ash Memory etc And includes the function block for the Touch Sensor FM Tuner etc The display is connected to a 128 64 16Gray OLED The Main IC is 1 CHIP and the interior includes all the functions such as USB CODEC DCDC CONVERTER and REGULATOR It is SDRAM 16Mbyte capacity The Touch Sensor works via capacitance and operates by recognizing minute electrical changes from the fingers The OLED is a Mono...

Страница 38: ...Samsung Electronics 7 3 Schematic Diagram This Document can not be used without Samsung s authorization 7 2 MAIN POWER AUDIO TP1 TP2 TP3 TP4 TP5 TP1 TP2 TP3 TP4 TP5 ...

Страница 39: ...7 4 Samsung Electronics MEMO ...

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