Samsung PS42E7SX Service Manual Download Page 71

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Circuit Description

13-12

Samsung Electronics

< Y-Main >

120usec

70usec

Falling ramp

Variable register

Rising ramp

Variable register

Vset

Vsc_l

Vsc_h

201V

207V

-190V

-120V

110V

65V

▶

Adjust the drive waveform so that the main reset (rising, falling:40usec) is the same as those in the F/W pattern.

(

※

Attachment 1 reference)

Summary of Contents for PS42E7SX

Page 1: ..._Europe_42SD _Audi Model PS42E7SX XEC PDP TELEVISION FEATURES DTV Ready PDP TV Supreme Picture Quality Supreme Convenience Quality RF HDMI PC Analog 2 Component 2 Video S Video Slim line design Energy Saving SERVICE Manual PS 42E7S ...

Page 2: ... 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 Apr 2006 Printed in Korea AA82 03734A ...

Page 3: ...How to Access Service Mode 3 2 3 3 Factory Data 3 3 3 4 Service Adjustment 3 8 3 5 Software Upgrade 3 11 3 6 Replacements Calibration 3 12 Chapter 4 Exploded View Part List 4 1 PS42E7SX XEC 4 1 Chapter 5 Electrical Part List 5 1 PS42E7SX XEC Service Item 5 1 Chapter 6 Troubleshooting 6 1 First Checklist for Troubleshooting 6 1 6 2 Checkpoints by Error Mode 6 2 6 3 Troubleshooting Procedures by ASS...

Page 4: ...apter 11 Operation Instruction Installation 11 1 Product Features and Functions 11 1 11 2 Installation Notes and Precautions 11 4 Chapter 12 Disassembly Reassembly 12 1 Overhaul Disassembly Reassembly 12 1 Chapter 13 Circuit Description 13 1 Power ON OFF Signal Timing Sequence 13 1 13 2 Partial Block Description 13 2 Chapter 14 Reference Information 14 1 Other issues related to other products 14 1...

Page 5: ...c Control Vcc Voltage for FET driver Va Voltage for address pulse Vs Voltage for sustain pulse Vsc Voltage for scan pulse Ve Voltage for X ramp pulse Vset Voltage for Y ramp pulse LOGIC CONTROL DRIVER CIRCUIT PANEL Input Data Processor Data Controller X Pulse Generator LVDS Interface DCLK DEN R Data 8 10 12 or 13Bits G Data 8 10 12 or 13Bits B Data 8 10 12 or 13Bits HSYNC HSYNC Micom Image Scaler ...

Page 6: ... 5 18Vamp 6 18Vamp 7 RTN_amp 8 RTN_amp 9 Vt 10 RTN CN810 Main SMPS CN2013 Logic Board Pin No Signal 1 STBY 2 VS_ON 3 N C 4 PS_ON 5 RTN 6 5 3V 7 RTN 8 RTN 9 5 3V 10 5 3V CN2 DC DC SMPS CN5007 Y B D Pin No Signal 1 Vs 2 Vs 3 RTN 4 RTN 5 Vset 6 RTN 7 Vscan 8 RTN 9 Vg 10 D5 3V CN4 DC DC SMPS CN4001 X B D Pin No Signal 1 D5 3V 2 Vg 3 RTN 4 RTN 5 Ve 6 RTN 7 RTN 8 Vs 9 Vs CN6 DC DC SMPS CN2509 E Buffer P...

Page 7: ... r p t i b 0 1 B M 6 1 R D D D 8 3 2 3 6 2 D 4 K M O R P E E E B L D S S D V L x T t i b 2 1 W 0 1 s s e c o r P o i d u A 7 5 2 8 V T S s m 0 2 1 c n y S p i L p m A P H 0 5 0 7 A D T p m A o i d u A W 3 1 3 A T S o i d u A W S 2 5 0 4 C H 7 2 Partial Block Diagram 7 2 1 Audio Video Signal Block Diagram 7 2 2 DC DC SMPS Block Diagram Control and Switching Block Control and Switching Block Control...

Page 8: ...Block Diagram 7 4 Samsung Electronics 7 2 3 Module Driver Board Block Diagram 1 Y Drive Board 2 X Drive Board ...

Page 9: ...ector 60 Pin Connector 10 Pin Power 31 Pin LVDS DDR MA R G B 24bit CLK 1 2 BLK POC STB R G B 24bit CLK 1 2 BLK POC STB DATA 32bit ADDR 12bit DQS CLK nCLK RELAY_EINT Vs ON X MAIN CONTROL SIGNAL Y MAIN CONTROL SIGNAL LVDS SIGNAL 8 12bit TX RX SCL SDA DRIVE nRESET 5 Pin uart ASIC DDR FA DRIVE RESET 7 2 5 Power Block Diagram ...

Page 10: ...7 6 Samsung Electronics MEMO ...

Page 11: ...42 SD LJ92 01340A ASSY PDP MODULE P Y MAIN BOARD BN96 03102A M1 PL42SD011A Y Main board V5 0 852 480 NTSC PAL 42 SD ASSY PDP MODULE P Y MAIN SCAN BUFFER BN96 03103A M1 PL42SD011A Y scan buffer V5 0 852 480 NTSC PAL 42 SD ASSY PDP MODULE P LOGIC MAIN BOARD BN96 03106A M1 PL42SD011A logic main V5 0 852 480 NTSC PAL 42 SD ASSY PDP P ADDRESS E BUFFER BN96 03104A M1 PL42SD011A address e buffer V5 0 852...

Page 12: ... CN5007 Y B D Pin No Signal 1 Vs 2 Vs 3 RTN 4 RTN 5 Vset 6 RTN 7 Vscan 8 RTN 9 Vg 10 D5 3V CN4 DC DC SMPS CN4001 X B D Pin No Signal 1 D5 3V 2 Vg 3 RTN 4 RTN 5 Ve 6 RTN 7 RTN 8 Vs 9 Vs CN6 DC DC SMPS CN2509 E Buffer Pin No Signal 1 RTN 2 N C 3 D5 3V 4 N C 5 Va CN810 Main SMPS CN2013 Logic B D Pin No Signal 1 STD_5V 2 VS_ON 3 N C 4 PS_ON 5 RTN 6 D5 3V 7 RTN 8 RTN 9 D5 3V 10 D5 3V 8 2 Partial Wiring...

Page 13: ...nnect Cables Use SMPS 12P LVDS 31P POWER 10P Code BN39 00632B BN39 00667D BN39 00675A Photo Use POWER 12P EMI ONEPOINT WIRE Code BN39 00676A BN39 00164E Photo The code number of cable Lead connector can be changed see 5 Chapter Electrical Part List ...

Page 14: ...8 4 Samsung Electronics MEMO ...

Page 15: ... 3D digital comb video decoder that supports NTSC PAL and SECAM a HDTV sync separator motion adaptive de interlacing engine and the video format conversion engine supporting multi window display in many different output modes M30840SGP IC MICOM With a 16 Mbyte address space this microcomputer combines advanced instruction manipulation capabilities to process complex instructions by less bytes and ...

Page 16: ...ard Pin No Signal 1 6 5V 2 RTN 3 12V 4 RTN 5 18Vamp 6 18Vamp 7 RTN_amp 8 RTN_amp 9 Vt 10 RTN CN2013 Logic B D CN902 Main Board Pin No Signal Pin No Signal Pin No Signal 1 GND 12 TXOUT2 23 TXOUT0B 2 GND 13 GND 24 TXOUT0B 3 TXOUT 14 GND 25 4 TXOUT 15 TXOUTCLK 26 GND 5 GND 16 TXCLKOUT 27 SCL_G 6 GND 17 28 GND 7 TXOUT 18 29 SDA_G 8 TXOUT 19 TXOUT3 30 GND 9 20 TXOUT3 31 10 21 32 GND 11 TXOUT2 22 33 GND...

Page 17: ... Board CN001 Power Button Pin No Signal 1 GND 2 LED 3 ST5V 4 GND 5 KEY_INPUT2 6 7 8 IR_7414 CN501 Main Board Speaker Out Pin No Signal 1 SPK_R 2 SPK_R 3 SPK_L 4 SPK_L CN741 Main Board CN1 Function Board Pin No Signal 1 KEY_INPUT1 2 KEY_INPUT2 3 GND ...

Page 18: ...that senses the quantity of light It senses the illumination and automatically adjusts the screen brightness according to the surrounding brightness when the Power Saving Mode of the User menu is set to Auto No Loc No Description CN102 S VIDEO2 Input Jack CN103 AV2 Input Jack CN104 Earphone Jack CN105 Side AV Connector 9 2 Power IR Board 9 3 Function Board 9 4 Side AV Board ...

Page 19: ...N 6 RTN 7 12V 8 PS_ON 9 RTN 10 STBY 11 FAN_ON 12 FAN_D CN803 Main SMPS CN101 Main Board Pin No Signal 1 6 5V 2 RTN 3 12V 4 RTN 5 18Vamp 6 18Vamp 7 RTN_amp 8 RTN_amp 9 Vt 10 RTN CN810 Main SMPS CN2013 Logic Board Pin No Signal 1 STBY 2 VS_ON 3 N C 4 PS_ON 5 RTN 6 5 3V 7 RTN 8 RTN 9 5 3V 10 5 3V CN809 Main SMPS CN3 DC DC SMPS Pin No Signal 1 5 3V 2 Vg 3 RTN 4 RTN 5 RTN 6 RTN 7 RTN 8 Va 9 Va 10 N C 1...

Page 20: ...RTN 5 RTN 6 RTN 7 RTN 8 Va 9 Va 10 N C 11 Vs 12 Vs CN5 DC DC SMPS CN2710 F Buffer Pin No Signal 1 RTN 2 N C 3 D5 3V 4 N C 5 Va CN2 DC DC SMPS CN5010 Y B D Pin No Signal 1 Vs 2 Vs 3 RTN 4 RTN 5 Vset 6 RTN 7 Vscan 8 RTN 9 Vg 10 D5 3V CN4 DC DC SMPS CN4004 X B D Pin No Signal 1 Vs 2 Vs 3 RTN 4 RTN 5 Ve 6 RTN 7 RTN 8 Vg 9 D5 3V ...

Page 21: ...P LOGIC MAIN BOARD BN96 03106A Logic Main Board ASSY PDP MODULE P X MAIN BOARD BN96 03101A X Drive Board ASSY PDP MODULE P Y MAIN BOARD BN96 03102A Y Drive Board ASSY PDP MODULE P Y MAIN SCAN BUFFER BN96 03103A Y Buffer Board ASSY PDP MODULE P ADDRESS E BUFFER BN96 03104A Address Buffer Board ASSY PDP MODULE P ADDRESS F BUFFER BN96 03105A Address Buffer Board ...

Page 22: ...9 8 Samsung Electronics MEMO ...

Page 23: ...T V 6 1 F n 0 0 1 3 5 1 C V 6 1 F u 0 0 1 2 5 1 C 1 0 1 D V 6 1 F u 0 0 1 7 4 1 C R104 100Kohm V 5 2 F n 0 0 1 1 3 1 C 3 1 1 D B 4 1 1 C V 0 5 F n 0 0 1 T 5 1 0 L 2 1 0 2 B C A 1 0 1 D B T J 1 2 1 2 3 5 4 H 1 H H 6 1 1 P T 9 0 1 D B 5 1 1 P T 1 J D A T U O V 2 3 N I V M _ D V 3 3 B 0 2 1 P T F n 0 0 1 V 5 B A 5 2 D 7 1 1 1 P A 4 0 1 C I 8 0 1 C 6 2 1 C 1uF C141 10V F n 0 0 1 F n 0 0 1 3 2 1 C 1 1 ...

Page 24: ...L C S 1 K L C S 6 1 D D V 1 S S V 7 8 T U O X 9 N I X 37 P3 5 PWM5 2 P3 6 PWM6 2 38 NC 39 4 2 0 A D S 1 T A D S 40 P1 4 VSYNC O P1 5 HSYNC O 41 P1 6 CLAMP O 42 43 1 T N I 1 0 P 3 0 3 6 2 P 7 2 P 1 3 2 3 0 M W P 0 3 P 3 3 1 M W P 1 3 P 34 P3 2 PWM2 SCL1 2 35 P3 3 PWM3 SDA1 2 P3 4 PWM4 2 36 22 VSS2 3 2 3 D A 3 1 P 0 2 P 4 2 1 2 P 5 2 6 2 2 2 P 7 2 3 2 P 8 2 4 2 P 5 2 P 9 2 15 P0 5 2 P0 6 2 16 NC 17 ...

Page 25: ... 6 1 C S K 1 0 3 Q 6 2 3 R m h o K 0 1 6 0 0 1 U 1 0ohm R396 1 H T G 0 3 C 3 S D C 9 4 3 D 8 5 3 P T 9 7 3 P T 1 m h o 5 7 1 5 3 R W 0 1 1 m h o 0 0 1 6 0 4 R 1 m h o K 8 1 2 4 3 R H T G 0 3 C 3 S D C 8 5 3 D 1 7 3 P T 1 2 0 1 U 1 C C V _ C D D 4 1 0 1 U 1 F E R X m h o 0 7 4 F p 0 0 1 2 3 3 C m h o 0 3 0 4 R W 0 1 1 8 3 3 R 1 L C S _ C P 1 F E R X F E R X F E R X V 5 A 8 1 0 1 U 5 3 3 R m h o 0 3...

Page 26: ...1 3 4 4 P T 1 2 3 4 D 1 1 3 4 D 1 2 3 2 3 4 P T 1 1 4 4 D 1 2 3 W 0 1 1 2 2 0 1 U 1 m h o K 7 4 1 5 4 R 0 2 4 D 0 3 4 R m h o K 0 1 m h o 0 1 4 6 4 R 6 6 4 R m h o 0 1 1 6 4 R m h o 0 1 m h o 6 5 8 3 4 R W 0 1 1 8 3 4 D E S 8 4 1 4 D B M M 1 2 3 5 4 4 D 1 2 3 m h o 0 7 4 4 4 4 R 0 3 4 P T 1 V 5 A m h o K 0 1 1 3 4 R 1 4 4 4 P T 1 0 4 4 P T 1 1 4 4 P T 2 4 4 P T 1 0 3 4 D B 2 6 Z L R V 6 1 1 0 4 C ...

Page 27: ... S V N G I S C C V 6 3 B 2 C C V 4 C N 5 B 2 D N G 6 7 A 2 D N G A 2 C C V 8 A 2 T U O 9 A D N G 9 2 A D D V 3 B 2 T U O 0 3 I D S I K C R L 1 3 2 3 I K C I V D N G 3 3 4 3 D D V 5 3 1 2 G I F N O C T E S E R 2 2 L C S 3 2 4 2 A D S S E R 5 2 6 2 R E T L I F L L P I T X 7 2 8 2 4 1 C N 5 1 A 1 C C V 6 1 A 1 T U O N A E L C D N G 7 1 8 1 S B U S V 9 1 G E R D D V 2 C N D V 0 2 5 0 5 C I C N 1 0 1 B...

Page 28: ...EF 195 VDDR 196 MA11 197 MA10 198 MA9 199 MA8 5 8 1 8 2 D M 6 8 1 9 2 D M 7 8 1 0 3 D M 8 8 1 1 3 D M 9 8 1 0 K L C M 9 1 1 G _ Y 0 9 1 O K L C M 1 9 1 C D D V 8 7 1 5 2 D M 9 7 1 6 2 D M 8 1 4 C D A _ S S V A 0 8 1 7 2 D M 1 8 1 3 M Q D 2 8 1 M D D V 3 8 1 M S S V 4 8 1 3 S Q D 0 7 1 2 S Q D 1 7 1 0 2 D M 2 7 1 1 2 D M 3 7 1 2 2 D M 4 7 1 3 2 D M 5 7 1 C D D V 6 7 1 C S S V 7 7 1 4 2 D M 3 6 1 6 ...

Page 29: ... 0 0 1 V 6 1 7 3 6 R m h o 0 0 4 6 R m h o 0 F n 1 5 2 6 C V 0 5 3 3 6 R m h o 0 F u 0 1 9 5 6 C D V 3 3 B V 6 1 3 2 6 C F n 0 0 1 F E R X F E R X F E R X F E R X F E R X R628 1 10W 100ohm 100ohm 1 10W R627 1 2 3 1 6 T F F E R X R630 0ohm 6 2 6 C F u 1 V 6 1 0 6 6 C F n 0 0 1 F E R X F u 1 4 4 6 C V 0 5 3 4 6 C F n 1 0ohm R629 D V 3 3 B F E R X 2 1 6 P T 1 0ohm R626 F n 1 7 4 6 C V 0 5 m h o 0 5 3...

Page 30: ... 3 1 8 R m h o 0 9 0 8 L V 6 1 F u 0 0 1 4 3 8 C m h o 0 2 0 8 R L L P _ V 2 1 A V 5 2 1 3 8 C F n 0 0 1 2 N I 3 W S D N G 4 B F 5 P M O C 6 7 N E 8 S S 1 D N G M 4 0 8 C I N D 3 8 5 1 P M 1 S B 4 1 8 R m h o 0 W 0 1 1 W 0 1 1 9 1 8 R m h o K 1 0 3 8 C F u 0 1 V 6 1 F n 0 0 1 7 2 8 C V 5 2 m h o 0 8 0 8 R W 0 1 1 L L P _ V 2 1 D F E R X F E R X F n 0 1 V 0 5 0 5 8 C 3 1 0 8 C I 7 D N G D N G 8 3 0...

Page 31: ... Q D D V 9 5 3 3 Q D D V 4 Q D D V 1 4 9 4 5 Q D D V 6 Q D D V 5 5 7 Q D D V 5 7 1 8 8 Q D D V 4 4 1 S S V 4 1 1 C _ N 2 C _ N 1 2 0 3 3 C _ N 4 C _ N 7 5 5 C _ N 9 6 6 C _ N 0 7 7 C _ N 3 7 _ S A R 9 1 1 D D V 1 5 1 2 D D V 9 2 1 3 Q D 6 5 4 Q D 8 0 1 5 Q D 1 1 6 Q D 3 1 7 Q D 8 Q D 4 7 9 Q D 6 7 1 M Q D 1 7 8 2 2 M Q D 3 M Q D 9 5 6 1 O M Q D 9 3 2 2 Q D 0 4 3 2 Q D 2 4 5 4 4 2 Q D 7 4 5 2 Q D 8...

Page 32: ...X F E R X F E R X F p 5 1 V 0 5 5 6 7 8 9 1 D N G M 2 D N G M 4 2 5 2 6 2 7 2 8 2 9 2 3 0 3 1 3 4 4 1 5 1 6 1 7 1 8 1 9 1 2 0 2 1 2 2 2 3 2 1 0 1 1 1 2 1 3 1 1 0 9 N C 1 2 3 V 3 3 1 0 9 T F A 2 4 0 1 E 1 F 2 3 M G S F E R X F E R X 1 10W m h o 2 2 6 0 9 R 0ohm R913 F E R X F E R X F E R X m h o 7 4 m h o 2 2 7 2 9 R m h o 0 0 2 9 R 3 3 9 R 9 1 9 R m h o 0 1 2 9 R m h o 0 m h o 2 2 9 2 9 R F E R X ...

Page 33: ... W 0 1 1 3 E O 0 1 1 1 B 4 A 4 2 1 3 1 4 E O C C V 4 1 A 1 2 B 1 3 1 3 0 0 1 C I X M 5 2 1 3 T S F 1 E O 1 4 0 0 1 D B 1 A B 2 C C V _ V 5 B 1 F E R X 50V C1303 33pF 4 2 S S 3 0 0 1 D 1 F u 0 0 1 1 2 0 1 C 3 1 0 1 C F u 0 2 2 V 6 1 33pF C1302 50V 0 6 0 1 R m h o K 7 4 6 0 0 1 C F n 0 0 1 10uH K L1001 1 m h o 0 7 1 0 1 R V 5 D 1 2 3 4 1 1 0 0 1 N C 1 1 1 1 1 4 6 0 1 P T W 0 1 1 2 8 0 1 R m h o 0 4 ...

Page 34: ...nels In the on screen menu use the C P buttons as you use the and buttons on the remote control 5 ENTER Press to confirm a selection 6 Power button Press to turn the TV on and off Power Indicator Power Off Red Power On Off Remote Control Sensor Aim the remote control towards this spot on the TV Speaker Side Panel or 1 S Video or Video Audio L R Video S Video or Video and audio inputs for external ...

Page 35: ...MI jack of a device with HDMI output These inputs can also be used as a DVI connection with separate analog audio inputs An optional HDMI DVI cable will be necessary to make this connection When using the optional HDMI DVI adapter the DVI analog audio inputs on your TV allow you to receive left and right audio from your DVI device Not compatible with PC When connecting this product via HDMI or DVI...

Page 36: ...djust screen brightness to surrounding environment 14 Sound mode selection 15 TruSurround XT mode button 16 Available source selection 17 Previous channel 18 Automatic Power off 19 Selects the PC mode directly 20 Next channel Previous channel 21 Exit the on screen menu 22 Control the cursor in the menu 23 Use to see information on the current broadcast 25 Picture freeze 26 Picture size selection 2...

Page 37: ...led on plaster or wood 4 The package contents and parts supplied for the wall mount are subject to change without prior notice 11 2 2 Mounting Kits Wall Mount Bracket Plastic Hanger 4 EA SCREW 4 EA ASSY HINGE Screws 1EA LEFT 1EA RIGHT 1EA Captive Screws Wall Mount Bracket ASSY HINGE RIGHT Separate ASSY HINGE into Left and Right ASSY HINGE LEFT 1 The wall mount bracket is delivered separately Pleas...

Page 38: ...r fingers while installing and adjusting the angle 4 Please tightly secure the wall mount bracket to the wall to avoid injury from a falling SET 3 Tighten the screws of the plastic hanger shown in picture 2 to the back side of the PDP 4 Remove the Safety Pins Fasten the 4 plastic latches assembled at step on the back side of the PDP using the guide holes of the wall mount push and hook down to sec...

Page 39: ...afety pins underneath the PDP If the safety pins are not removed the angle cannot be adjusted Any attempt to do so may cause damage to the PDP 2 Hold onto the bottom of the PDP and pull forward fully as directed by the arrow as illustrated to adjust the angle 0 20 by 2 Insert the Safety Pins to the front guide holes on both sides as illustrated in figure Viewing the PDP after connecting the extern...

Page 40: ...ent Adjustment 3 1 Service Instruction Before Performing After Sales Services 1 Check if the measurement and test equipment is working properly 2 Secure sufficient work space for disassembling the product 3 Prepare a soft pad for disassembling the product ...

Page 41: ...Key Adjust the value up or down MENU Key Save the changes to the EEPROM and return to the higher level mode Using the Numeric 0 9 keys you can select a channel Using the SOURCE key you can switch AV modes 5 Initial SERVICE MODE DISPLAY State The version of the firmware displayed at the bottom of the screen may differ and the firmware is subject to change for the improvement of product functions If...

Page 42: ...mma OFF Logic D L OFF Auto Power ON Dynamic CE OFF EnergySave OFF LBE FBE ON FRC Micronas OFF FRC Samsung OFF LNA OFF Carrier Mute ON Language English Auto FM ON High Deviation OFF TTX ON TTX List Flof Dynamic AslGain OFF Tuner TOP 8 TTX Group Auto TTX Level L1 5 PS Test MIN LED OnTime 10 LED OffTime 0 Debug Smart Ch Table SUWON iDTV Country UK ACR OFF 3 White Balance Adjustment White Balance Rang...

Page 43: ...n 7CH 7BH 80H 9DH ADC Calibration RF AV COMP PC HDMI TCD3 Contrast 84H 78H 78H 78H TCD3 Brightness 23H 20H 20H 20H TCD3 CR 80H 80H 80H 80H TCD3 CB 80H 80H 80H 80H TCD3 Delay 00H 00H 00H 00H Analog Y Offset 40H 40H 42H 40H Analog PB Offset 80H 80H 39H 80H Analog PR Offset 80H 80H 39H 80H Analog Y Gain D6H CBH CFH D6H Analog PB Gain FEH 9AH 80H FEH Analog PR Gain FEH 9AH 80H FEH Black Level 00H 00H ...

Page 44: ... CHM Gain2 45H ColorGain TY 00H ColorGain TC 00H ColorGain TM 00H Color Gain 80H Input RGB Gain 80H Input RGB Offset 00H 6 STV8257 STA323W Sound IC Correct Register Ch1 Volume 55H Ch2 Volume 55H AGC Gain 07H AM Prescale 00H ZWT TH 0AH AV Delay 55H Comp Delay 32H HDMI Delay 32H PC Delay 32H L1 Att Rel Th EFH 1 Calibration 2 Option Table XXXX XXXX 3 White Balance 4 SVP PX 5 Option Block 6 STV8257 ST...

Page 45: ... L L 66H NTSC 3 58 96H NTSC 4 43 CCH AV PAL A9H AV SECAM 66H AV NT3 58 98H AV NT4 43 CCH AV PAL60 77H 8 Adjust V Mute Time 10 Melody Volume 9 Ana_Dimm_Max FEH TTX Contrast 50 TTX Brightness 50 TTX Color 50 Dynamic Contrast 100 Dynamic Sharpness 60 Standard Contrast 90 Standard Brightness 80 Standard Color 70 Standard Sharpness 70 Movie Contrast 60 Movie Brightness 50 Movie Color 50 Movie Sharpness...

Page 46: ...r Min Sec 10 W B MOVIE RF AV COMP PC HDMI WB Movie OFF OFF OFF OFF Color Mode Movie Movie Movie Movie Color Tone Warm2 Warm2 Warm2 Warm2 W1 R Gain 130 129 130 134 W1 B Gain 117 118 119 120 W1 R Offset 138 137 138 138 W1 B Offset 119 114 115 122 W2 R Gain 132 133 134 136 W2 B Gain 115 114 115 116 W2 R Offset 141 140 141 141 W2 B Offset 115 112 113 116 Movie Contrast 70 70 70 70 Movie Brightness 50 ...

Page 47: ...tting Mode PAL Video MODE 2 3 Pattern Pattern 24 Chess Pattern 4 Use Equipment K 7256 or Equipment of equality level 5 Work order 1 Enter by Factory Mode select 1 CALIBRATION 2 Select AV CALIBRATION again in CALIBRAION MENU 3 After Completing Calibration come out Av success OSD on the screen bottom side for about 3 seconds Source AV PAL composite Component 1280 720 60Hz PC 1024 768 60Hz Chess Patt...

Page 48: ...80 720 60Hz 3 4 3 Conditions for Measurement 1 On the basis of toshiba ABL pattern High Light level 57 IRE INPUT SIGNAL GENERATOR MSPG 925LTH Mode No 2 744X484 60 Hz No 6 1280X720 60 Hz No 21 1024X768 60 Hz Pattern No 36 16 Color Pattern No 16 Toshiba ABL Pattern 2 Optical measuring device CA210 FL Please use the MSPG 925 LTH generator for model PS 42E7S PS 42E7SS PS 42C7S Test Pattern MSPG 945 Se...

Page 49: ... color control confirm the data c Adjust the low light Refer to table 1 2 in adjustment position by mode Adjust sub Brightness to set the Y value Adjust red offset x and blue offset y to the color coordinates Do not adjust green offset data d Adjust the high light Refer to table 1 2 in adjustment position by mode Adjust red gain x and blue gain y to the color coordinates Do not adjust the green ga...

Page 50: ...ware Upgrade 3 5 1 How to Update Flash ROM 1 Installthe Flash Downloader Connect Set Service Jack and Jig Cable to execute Program Update 2 Flash Downloader program update Before Turning on the set Click connect which is under of OSD Screen Turn on the Set ...

Page 51: ... SMPS DC DC BN96 01856A Vscan Vset Ve voltage check and adjust ASSY PDP P LOGIC BOARD BN96 03106A Not adjustment ASSY PDP P X MAIN BOARD BN96 03101A ASSY PDP P Y MAIN BOARD BN96 03102A ASSY PDP P Y MAIN SCAN BOARD BN96 03103A ASSY PDP P ADDRESS E BUFF BOARD BN96 03104A ASSY PDP P ADDRESS F BUFF BOARD BN96 03105A When replacing the SMPS DC DC or PDP panel you have to check the voltage printed on th...

Page 52: ...referring to the voltage label printed on the panel If you do not adjust the voltage an abnormal discharge symptom may appear Value Board Adjustment Vs 200 SMPS MAIN Va 65 Vset 195 SMPS DC DC Ve 120 Vscan 190 SMPS DC DC Voltage Label SMPS MAIN 2 A point of adjusting SMPS MAIN voltage Vs Adjustment Va Adjustment Va Test point Vs Test point ...

Page 53: ... Adjustment 3 14 Samsung Electronics 3 A point of adjusting SMPS DC DC Use base chassis of PDP panel as GND point Test Point Vset Middle Vscan Right Ve Test Point Vscan Vset Adjustment Point VE Adjustment Point ...

Page 54: ...out insulated transformers the product can only be repaired safely when the chassis is connected to the earthed end of the AC power source To make sure the AC power cord is properly connected follow the instructions below Use the voltmeter to measure the voltage between the chassis and the earthed ground If the measurement is over 1 0V unplug the AC power cord and change the polarity before re ins...

Page 55: ...eplaced with another irregular one the safety or protective features will be lost even if the new one has a higher voltage or more watts Critical safety parts should be bracketed with Use only regular parts for replacements in particular flame resistance and dielectric strength specifications Irregular parts or materials may cause electric shock or fire Precaution 1 2 Samsung Electronics ...

Page 56: ...sistance between the blade of the AC plug and that of the conductive material should be more than 1 7 Any B interlock should not be damaged If the metal heat sink is not properly installed no connection to the AC power should be made 8 Make sure the grounding lead of the tester is connected to the chassis ground before connecting to the positive lead The ground lead of the tester should be removed...

Page 57: ... for soldering purposes 6 Use only anti static solder removal devices Most solder removal devices do not support an anti static feature A solder removal device without an anti static feature can store enough static electricity to cause damage to the ESD 7 Do not remove the ESD from the protective box until the replacement is ready Most ESD replacements are covered with lead which will cause a shor...

Page 58: ...ositioning the product Also check the antenna cable or the external connectors if they are fully unplugged Damage to the cord may cause fire or electric shock 6 Keep the antenna far away from any high voltage cables and install it firmly Contact with the high voltage cable or the antenna falling over may cause fire or electric shock 7 When connecting the RF antenna check for a DTV receiving system...

Page 59: ...1 6 Samsung Electronics MEMO ...

Page 60: ...UTPUTS Va Vg vs 3 4V turn off sequence Vca Vcs Keep Display ON w o display flicker while 3cycle full dip condition Standby step turn off for µ processor reset µ 1 When connecting the AC power cord Stand By 5V from the Main SMPS is supplied to the Main Board Pin 3 of CN1002 of Main Board 2 When pressing the Power button on the remote control or on the main body PS_ON Pin 5 of CN1002 of Main Board c...

Page 61: ...peak loading at 90V AC The power supply shall automatically recover from AC power loss Note that nominal voltages for test purposes are considered to be with 1 0V of nominal STD_5V Vpr2 3 3V is a SELV standby voltage that is always present when AC mains voltage present 3 Output Over Voltage Protection The over voltage sense circuitry and reference shall reside in package that are separate and dist...

Page 62: ...er supply The power supply shall either shutdown and latch off for shorting is removed the P S shall recover The power supply shall be capable of withstanding a continuous short circuit to the output without damage or over stress to the unit components PCB traces connectors etc under the input conditions specified in Section 3 above Current Protection as defined below Output Over Current Limit Uni...

Page 63: ...COM Initial image option PIN Initial image select F W or BLACK Jumper Yes or Full White Jumper No Black Micom Loading 5Pin Connector or Uart Connector The connector to load the Micom drive program The program is loaded by connecting to the GA WRITER Connector that loads and controls 512K data and connects kiss can Board ARM PROCESSOR IC block Control signal to drive logic main Buffer Connector The...

Page 64: ...ly displayed Therefore you have to conduct a short test for each part If the Vref voltage Voltage Divider Voltage is lower than 1 25V check the resistance of the resistance output part and check if the circuit status is normal This applies the voltage and the proper Vref voltage and results in the screen being properly displayed If the screen is abnormally displayed even though the Vref voltage is...

Page 65: ...d That is the pixel whose wall charge has been formed by the Address Discharge forms a Sustain Discharge vis the following Sustain pulse 2 Sustain Discharge A Sustain Discharge is a Self Sustaining Discharge formed by the accumulation of the electric potential of the Sustain pulse gen erally 200 210 Volt alternating over the X and Y electrodes during the sustain period and the wall charge dependin...

Page 66: ...e function of each board 1 X Drive Board This is connected to the X port part of the panel 1 Sustain voltage waveform including ERC is output and 2 Ve bias in the Scan section is maintained 2 Y Drive Board This is connected to the Y port part of the panel It outputs 1 Sustain voltage wave form including ERC and 2 Y Rising Falling Ramp waveform and maintains 3 Vscan bias 3 Y Buffer Board A board wh...

Page 67: ...FPC output electrodes sequentially one line at a time At this time Vscan is called the Scan Bias Voltage A Vscan voltage of approximately 175 Volt Vsc_1 is supplied to the electrode lines For the other lines 56 volt Vsc_h is higher than Vscan l by 120V is supplied However negative wall charges are accumulated on the Y electrode by the Ramp pulse and positive wall charges are accumulated on the add...

Page 68: ...nce 0 2 When no signal is output to the gate GND FET changes to an open circuit i e an insulator of resistance High Voltage Switching of the FET Operation 1 When no signal is applied to G1 FET1 is opened and when the signal is applied to G2 FET2 short circuits GND is output via the output terminal 2 When a signal is applied to G1 FET1 short cir cuits and when no signal is applied to G2 FET2 is ope...

Page 69: ...iption 13 10 Samsung Electronics Drive Board Connector Layout 1 X Main Board 1 Vs 2 Vs 3 DGND 4 DGND 5 Ve 6 DGND 7 DGND 8 Vcc CN4003 Signal 140mm 240mm 8 1 CN4004 15 Pin Connector X FPC Connector Power CN4001 CN4000 ...

Page 70: ...lectronics 13 11 2 Y Main Board CN5401 Panel CN5402 Panel CN5503 Panel CN5502 Panel CN5000 Panel 280mm CN5001 signal 1 9 CN5005 CN5403 CN5010 174mm CN5400 CN5003 CN5404 CN5004 9 Vs 8 Vs 7 GND 6 GND 5 Vset 4 GND 3 Vscan 2 GND 1 Vcc ...

Page 71: ...ions Y Main 120usec 70usec Falling ramp Variable register Rising ramp Variable register Vset Vs Vsc_l Vsc_h Ve Va 201V 207V 190V 120V 110V 65V Adjust the drive waveform so that the main reset rising falling 40usec is the same as those in the F W pattern Attachment 1 reference ...

Page 72: ...Circuit Description Samsung Electronics 13 13 Check that the output of X Out of the X board follows the waveform of Attachment 2 when the power is supplied X OUT ...

Page 73: ...Circuit Description 13 14 Samsung Electronics Attachment 1 Y Output Waveform Rising Ramp Falling Ramp Rising Ramp Falling Ramp ...

Page 74: ...Circuit Description Samsung Electronics 13 15 Scan_l Even_Scan Y Sustain ...

Page 75: ...Circuit Description 13 16 Samsung Electronics Attachment 2 X Output Waveform X Sustain ...

Page 76: ...s NTSC PAL and SECAM a HDTV sync separator motion adaptive de interlacing engine and the video format conversion engine supporting multi window display in many different output modes STV8257DSX IC503 Digital Audio Decoder Processor STA323W IC505 Audio power amplifiers Block Specfication Major IC Remark RF Tuner TCPS3001PD32S H SEMCO Power Input Voltage AC 220 240V 50Hz Video Scaler SVP PX TRIDENT ...

Page 77: ...N 480i P 576i P 720P 1080i PC IN MINI D SUB 15P HDMI DVI IN AUDIO input SCART1 SCART2 AV Side S VIDEO Side 2 Component PC DVI Audio Output AUDIO OUT Headphone Side Speaker Output 10W 10W 8Ω H W Configuration Video SVP PX Sound STA8257DSX STA323W Tuner TCLW3001PD32S H S W Configuration Main Micom M30840SGP IC202 Sub Micom 3F866BXZZ IC207 Picture System Video PAL SECAM NTSC4 43 Sound Analog Progress...

Page 78: ... Positive Video Signal Resolution Dot X Line Vertical frequency Hz Horizontal frequency kHz Vertical polarity Horizontal polarity IBM PC AT Compatible 640 X 350 70 086 31 469 P N 720 X 400 70 087 31 469 N P 640 X 480 59 940 31 469 N N 70 000 35 000 N P N P 72 809 37 861 N N 75 000 37 500 N N 800 X 600 56 250 35 156 N P N P 60 317 37 879 P P 70 000 43 750 N P N P 72 188 48 077 P P 75 000 46 875 P P...

Page 79: ... Kg Picture Brightness 1 100 Cd m2 1 300 Cd m2 Contrast Ratio 5000 1 10 000 1 Image Enhacer FBE DNIe L Audio Equalizer O O Auto Volume O O Surround Sound SRS TruSurround SRS TruSurround Speaker Output 10 W 10 W 15 W 15 W Speaker Included Included Features PIP O O Double Screen X O TTX O O Still Image O O My Color Control X O Color Weakness X O Energy Saving O O Screen Burn Protection O O Connectio...

Page 80: ...Manual BN68 00989T Samsung Service center Remote Control AAA Batteries BN59 00531A 4301 000103 Power Cord 3903 000145 Core Ferrite 3301 001110 Accessories that can be purchased additionally S VIDEO Cable Internal shopping mall HDMI Cable HDMI DVI cable Component Cables RCA PC Cable PC Audio Cable Antenna Cable Scart Cable ...

Page 81: ...2 6 Samsung Electronics MEMO ...

Page 82: ...V user receives HD rated broadcasts The digital distributed TV Ready Technique can render HD sources as HD rated However you need to install a set top box for this purpose The digital TV alone cannot render HD broadcasting as HD rated Install the formal set top box for HD broadcasts When a digital distributed TV user selects normal size 4 3 to receive SD rated digita broadcasts The digitally distr...

Page 83: ...e console through a wide TV by selecting the aspect ratio to normal 4 3 or wide 21 9 the left and right or top and bottom of the picture will not be displayed This symptom appears in other manufacturer s TV s The three appliance companies are trying to resolve the problem through the Ministry of Information and Communication Changing the Order of the Picture Size for 16 9 Display Devices Changing ...

Page 84: ...ng is a television broadcasting signal digitized and transmitted according to the United States terrestrial digital broadcast standard or ATSC Mono A type of audio interface that transmits the audio signal through a single channel only Through a mono interface it is hard to experience stereophonic sound and the sound is played using only one speaker Reception Sensitivity Amplification LNA A signal...

Page 85: ...ismatch on the TV Progressive Scan Progressive scan displays the entire frame in a single sweep so as to provide clearer and sharper visual quality DVD Digital Versatile Disc DVD is a large capacity storage media that can store multime dia content such as video games audio applications etc using MPEG 2 video compression technology on a CD sized disc DRC This is a sound quality enhancement function...

Page 86: ...hree primary colors of light R G and B the number of possible colors for a pixel is 256 x 256 x 256 16 777 216 or 16 7 million colors If 12 bits are used for a pixel the gradation is 212 or 4096 for a color Since three colors R G and B are used 4096 x 4096 x 4096 or 68 7 billion colors are support ed per pixel Since 68 7 billion colors are far more than 16 7 million colors the picture will be disp...

Page 87: ...a of the signal broadcast from a broadcast station is smaller than that of possible color coordinates Moreover a TV provides a smaller color coordinate area than that of the signal from the broadcasting station even though the size of the color coordinate area varies depending on the TV model In general Color Reproductivity is used as follows The Color reproductivity of a TV is a certain of NTSC T...

Page 88: ...M2893 BN39 00675A LEAD CONNECTOR PUCCINI UL1007 26 10PIN 1 1 S A M2893 BN39 00676A LEAD CONNECTOR PUCCINI UL1007 26 12PIN 1 1 S A T0003 BN96 03625D ASSY COVER P FRONT 42E7S HQ XEC HIPS HB 1 S A T0044 BN96 03073A ASSY PDP MODULE P M1 SPD 42D5SD D71C V5 1 S A T0074 BN59 00531A REMOCON AUDI TM86 SAMSUNG 45Key 31mArms 1 S A T0079 BN94 00933B ASSY PCB MISC MAIN PS 42E7S EU D74A AUDI 1 S A T0159 BN96 01...

Page 89: ...Samsung Electronics 5 2 MEMO ...

Page 90: ...s a disconnected cable connection or a connection is too loose Check to see if the cables are connected according to the connection diagram 2 Check the power input to the Main Board 3 Check the voltage in and out between the SMPS Main Board between the SMPS X Y Main Board and between the Logic Boards 6 Troubleshooting 6 1 First Checklist for Troubleshooting ...

Page 91: ...operly connected or the Main Board or SMPS is out of order In this case check the following Check the internal cable connection status inside the unit Check the fuses of each part Check the output voltage of SMPS Replace the Main Board Troubleshooting Procedures Are the AC IN socket connector and the Main SMPS CN800 connected The AC IN socket connector and the Main SMPS CN800 connected Is the Fuse...

Page 92: ...PS CN of the X Main Board and CN of the Y Main Board a spark may be generated by the electric charge of the high capacity capacitor Therefore wait some time after separating the power cord from the unit Does the symptom continue after connecting the power and removing the CN809 cable from the Main SMPS Does the symptom continue after connecting the power and removing the CN804 2 cable from the Mai...

Page 93: ...ting and connecting the cables such as CN809 of the Main SMPS CN1 CN2 CN3 CN4 and CN5 of the DC DC SMPS CN of the X Main Board and CN of the Y Main Board a spark may be generated by the electric charge of the high capacity capacitor Therefore wait some time after separ ating the power cord from the unit Are the Vs and Va voltages normal after removing the CN809 cable from the Main SMPS Replace the...

Page 94: ...ssing part of the Main Board is out of order Speaker defect Troubleshooting Procedures Is the cable connection between the Main Board and the speaker properly connected Is the output voltage of SMPS normal CN803 5 Is the speaker output terminal of the Main Board normal Replace the Speaker Connect the cable properly or replace the cable if necessary Replace the Main SMPS Replace the Main Board ...

Page 95: ...ecklist Check the antenna connection settings Antenna 1 Normal Cable DTV Antenna 2 Only for DTV Check the tuner output signal CVBS Check the power input of the Main board Troubleshooting Procedures Check CN101 pin2 for 33V Configure properly Replace the Main SMPS Replace the Main Board Is the antenna connection setting properly configured ...

Page 96: ...hooting STD_5V Normal Abnormal Check the U101 D108 PFC Normal Abnormal Check the U201 Q203 Q204 Power On VA Multi Check the U501 Abnormal Abnormal Check the U601 Normal VS Normal Abnormal Check the Q401 Q402 Check the Other board Main Board or Driver Board or Cable ...

Page 97: ...mage not open or short is no screen Y MAIN X MAIN Logic Main Sustain Open Some horizontal lines don t exist on screen Scan Buffer FPC of X Y Sustain Short Some horizontal lines appear to be linked on screen Scan Buffer FPC of X Y Address Open Some vertical lines don t exist on screen Logic Main Logic Buffer TCP Address Short Some vertical lines appear to be linked on screen Logic Main Logic Buffer...

Page 98: ...as this indicates a PSU output error Check the FUSE Check the input voltage YES NO YES NO Y MAIN Check several points FUSE FET DIODE Y MAIN Normal State Replace the Board Replace the Board OK OPEN SHORT OK F5001 for VDD F5002 for Vs Q5008 Q5009 Q5010 Q5013 X MAIN Check several points FUSE FET DIODE X MAIN Normal State Replace the Board Replace the Board OK OPEN SHORT OK F4000 for VCC F4003 for Vs ...

Page 99: ...e Board NO YES Logic Main Normal State Replace the PDP Y MAIN Check several points FUSE FET Y MAIN Normal State Replace the Board Replace the Board OK OPEN SHORT OK X MAIN Check several points FUSE FET X MAIN Normal State Replace the Board Replace the Board OK OPEN SHORT OK Abnormal Display Abnormal Image is on Screen except abnormality in Sustain or Address Abnormal Display is related with Y MAIN...

Page 100: ...uffer recheck the status Done Defect is from Y buffer Replace the Panel There a defect on FPC OK NG Sustain Short some horizontal lines appear to be linked on Video Y FPC Sustain Short Discharging in unwanted Scan line After Changing Y buffer recheck the status Done Defect is from Y buffer Replace the Panel There a defect on FPC OK NG ...

Page 101: ...he internal mode screen is normal Reload the data onto the MICOM and recheck it Check if there is an open or short circuit on the Buffer Board and the Logic Main address data output section Check the FFC connection status Check the detailed waveform and control the signal waveform OK NG OK NG Check if a specific TCP Block screen is displayed abnormally OK NG OK Replace Logic Main Address Buffer E ...

Page 102: ...ar screen is blank 7 ASSY PDP P ADDRESS E BUFF BOARD BN96 03104A Address E Buffer Board Corresponding Buffer Board block screen is blank 8 ASSY PDP P ADDRESS F BUFF BOARD BN96 03105A Address F Buffer Board Corresponding Buffer Board block screen is blank 9 ASSY PCB MISC MAIN BN94 00933B Main Board No Power Abnormal screen for each input source PIP screen trouble Sound trouble 10 ASSY BOARD P FUNCT...

Page 103: ...6 14 Samsung Electronics MEMO ...

Page 104: ...ASSY STAND P SET LEFT 42E7 HIPS HB GRAY 1 S A T0003 BN96 03625D ASSY COVER P FRONT 42E7S HQ XEC HIPS HB 1 S A T0023 BN64 00419A KNOB POWER 42V6 PC VIOLET 1 S N A T0023 BN64 00421A KNOB POWER 42V6 DECO ABS HB BLK BK500 C 1 S N A T0044 BN96 03073A ASSY PDP MODULE P M1 SPD 42D5SD D71C V5 1 S A T0057 BP64 00177A BADGE BRAND ALL AL T1 5 70 11 3 BLK SILI 1 S N A T0059 BN64 00366A INDICATOR LED ROME I PC...

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