SAMSUNG YPE64P Service Manual Troubleshooting

Download

2-1 Samsung Electronics

2-1 Main Board

Symtoms

Possible Casuses

Check Points

Action

Displays " "only

- Faulty U4, U5

- Open PCB Pattern

- U1 (OKI MCU) Vdd

- U1 pin

Replace

Main board

- Ports between J4 and U1(OKI MCU)

- Open PCB Pattern

- Faulty J4 connector

No "Connect" displayed during downloading

- Cold soldering on (HCLK,HACK,#REVEREQ)

Faulty file downloading

- J4pin 10,11,14

Faulty recognition of memory

- Open or Short PCB

- Fault Flash Memory

- Pattern between U1 and memory chips

- Cold soldering on switch

- Open PCB pattern

Faulty switch operation

- Open/Short test of switch

- Mechanical parts

Faulty##U2

No power on

U2 pin 7, 12, 39(high)

2-2 LCD Board

Symtoms

Possible Casuses

Check Points

- Nothing displayed on LCD panel

- Open pattern between U2 pins

- Voltage on U2 pin15 Should be higher then 2.7 Volts

- Broken Characters or Missing icons

- Short circuit between U2 pins

- Loose contact of heatseal

- Heatseal contact

Replace

LCD board

- Falulty control button

- (Play,Stop,FF,Rew)

- Faulty tact switch

- Open pattern to U2

- Mechanical parts

- Open/Short test of switch

- No voice recording

- Cold soldering on R14

- Faulty U3

- Power and Output of U3

Action

2. Troubleshooting

Samsung Electronics 2-2

2-3. Troubleshooting

2-3-1. NO Display (Power on Start)

2-3 Samsung Electronics

2-3-2. Display ‘NO SONG‘

2-3-3. No ‘CONNECT‘ message when cable connected

Samsung Electronics 2-4

2-3-4. No voice Recording

2-3-5. No playback

2-5 Samsung Electronics

2-3-3-1. Wave Form

2-3-4-1. Wave form

Samsung Electronics 2-6

2-3-5-1. Wave Form

2-3-5-2. Wave form

2-7 Samsung Electronics

2-3-5-3. Wave Form

2-3-5-4. Wave form

7. Exploded Views & Parts List

Samsung Electronics7-1

Part List

Reference Level Description Specification CODE No. Remark

1 1 Chassis Main ABS AH81-00139A

Silver, 32M AH82-00046A Gold, 32M AH82-00047A

1 Case Bottom Ass'y

Two Tone, 32M AH82-00048A Silver, 64M AH82-00049A Gold, 64M AH82-00050A

Two Tone, 64M AH82-00051A 2 Case Bottom ABS(Spray, Print) AH81-00155A abs spary 3 Insert Inside BSBM M1.7 TAP AH81-00156A bsbm m1.7 4 Insert Outside BSBM M3 TAP AH81-00157A 5 Knob Hold ABS(Cr, Coating) AH81-00161A 6 Knob Eject ABS(Spray) AH81-00162A 7 Knob Lock ABS(Spray) AH81-00163A

Silver(Anodizing) AH82-00043A 1 Case Top Ass'y Gold(Anodizing) AH82-00044A

3 Two Tone(Anodizing) AH82-00045A

2 Window LCD PMMA AH81-00158A 3 Double-sided Tape TESA AH81-00172A

Silver AH82-00040A 1 Cover Battery Ass'y Gold AH82-00039A

4 Two Tone AH82-00052A

2 BRKT Battery PBS T0.4 AH81-00168A 3 Pin Battery BSBM Φ1.4 AH81-00170A

Silver AH82-00053A 1 Belt Clip Ass'y Gold AH82-00054A

Two Tone AH82-00055A 2 Belt Clip ABS(Spray) AH81-00164A 3 Screw Special BSBM M3 AH81-00165A 4 Stopper Ring PVC AH81-00166A

6 1 Knob Control ABS(Cr, Coating) AH81-00136A 7 1 Knob 4 ABS(Cr, Coating) AH81-00137A 8 1 Knob 3 ABS(Cr, Coating) AH81-00138A

9 1 BRKT LCDHTN SUS T0.2 AH81-00169A ENGLISH 10 1 BRKT LCDFSTN SUS T0.2 AH81-00250A CHINA 11 1 Spring Battery SWPB Φ0.5 Au Plating AH81-00171A 12 1 Screw Machine PH1.7*11.0 Ni AH81-00173A 13 1 Screw Taptite4 PH1.4*4.0 Ni AH81-00174A 14 1 Screw Taptite2 PH1.4*3.0 Ni AH81-00175A

15 1 MAIN B’D

E32P (32MB) AH82-00065A E64P (64MB) AH82-00066A E32P/E64P, ENGLISH AH82-00067A

16 1 LCD B’D E32P/E64P, CHINA AH82-00059A

E32P/E64P, JAPAN AH82-00061A 17 1 Headphone AH81-00116A 18 1 Earphone AH81-00135A 19 1 Communication Cable AH81-00273A

20 1 LCD Module

ENGLISH AH82-00062A

CHINA AH82-00063A

ENGLISH AH81-00270A 21 1 User's Manual CHINA AH81-00271A

EUROPE AH81-00274A