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Samsung HLS4676SX/XAA Service Manual

Chassis : l64e n_iris
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SERVICE
DLP TV
DLP TV
Chassis
: L64E(N)_Iris
Model
: HLS4676SX/XAA
Manual
HL-S4676S
FEATURES
HD Built in TV
■
■
■ NTSC/ATSC Tuner Embedded
PC input
■
■
■ DNIe 3 Adopted
2HDMI Interface Adopted
■
■
■ Digital Audio output (OPTICAL) jack
Firmware upgrade by USB Port
■
■
■
USB 1.1 portable device Correspondence

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Summary of Contents for Samsung HLS4676SX/XAA

  • Page 1 DLP TV Chassis : L64E(N)_Iris Model : HLS4676SX/XAA SERVICE Manual DLP TV FEATURES HD Built in TV ■ ■ ■ NTSC/ATSC Tuner Embedded PC input ■ ■ ■ DNIe 3 Adopted 2HDMI Interface Adopted ■ ■ ■ Digital Audio output (OPTICAL) jack Firmware upgrade by USB Port ■...
  • Page 2 © Samsung Electronics Co., Ltd. Sep. 2006 This Service Manual is a property of Samsung Electronics Co.,Ltd. Printed in Korea Any unauthorized use of Manual can be punished under applicable AA82-03943A International and/or domestic law.

  • Page 3: Table Of Contents

    ■ 5-1 HLS4676SX/XAA Service Item ........
  • Page 4 Chapter 8 Wiring Diagram ■ 8-1 Overall Wiring ............. . . 8-1 ■...

  • Page 5: Chapter 1 Precaution

    Never change the part. space between the part and the printed circuit board. Check the AC power cord for possible damages. Keep the part or the lead away from any heat-emitting materials. Samsung Electronics...
  • Page 6 11. Pay additional attention to the current leakage as the voltage between the power board and the ballast is 220 to 440v, i.e. very high. And also beware of possible electric shock from the primary power source. Samsung Electronics...

  • Page 7: Servicing Precautions

    5. Check for insulation between the blade of the AC plug 10. The sharp edges of the metal material may cause and that of any conductive materials (i.e. the metal physical damage, so ensure wearing protective gloves panel, input terminal, earphone jack, etc). during the repair. Samsung Electronics...

  • Page 8: Static Electricity Precautions

    These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. Samsung Electronics...

  • Page 9: Installation Precautions

    4. Bend the external antenna cable when connecting it to the product. This is a measure to protect it from being exposed to moisture. Otherwise, it may cause a fire or electric shock. Samsung Electronics...
  • Page 10 MEMO Samsung Electronics...

  • Page 11: Chapter 2 Product Specification

    - DNIe 3 : The 12 algorithms are applied in DNIe-PRO. The 7 secondary algorithms which are NR(Noise Reduction), DE(Detail Enhancement), CE(Contrast Enhancement), WTE(White-tone Enhancement), DCE(Detail Contrast Enhancement), BWS(Black & White Stretch) and CTE(Color Tone Enhancement), and the rest, NE(Noise Estimator), CVD(Color Vision Deficiency), ISBC, PCC(Preferred Color Control), SD3(3-SD H scaler). Samsung Electronics...

  • Page 12: Key Features

    ＊Sound (RMS) : 10W + 10W ■ In/Out Terminals - Side : 2 RF In, 2 CVBS In, 2 S-VHS In, 2 Component In,2 HDMI In(DVI compatible With Adaptive Jack Only),1 Optical audio out, 1 Monitor out, 1 PC in,Wiselink Samsung Electronics...
  • Page 13 - Picture Size : 4:3/16:9/Zoom1/Zoom2/Wide Fit - V-CHIP - Closed Caption - Sleep Timer : 180 Min. - Optical sound output - Game mode - PC input - Wiselink ■ Remocon - TM87B ■ Power Supply - 110V Samsung Electronics...

  • Page 14: Specifications Analysis

    Rear 2/Side 1 HDTV Component Connections Video Input (Y, Pb, Pr) Rear 2 Rear 2 Rear 2 Rear 2 Rear 2 1080i/480P/480i HDMI 2HDMI 2HDMI 2HDMI Digital Sound Optical 1 Optical 1 Optical 1 Optical 1 Optical 1 Wiselink Samsung Electronics...

  • Page 15: Accessories

    Accessories Item Item code Remark Remocon BP59-00107A Alkaline Battery 4301-000103 Manual BP68-00617A Power Cord 3903-000144 Samsung Service center Warranty Card AA68-01561A Cloth-Clean BN63-01798A HDMI/DVI cable HDMI Cable S-VIDEO Cable Internal shopping mall Optical Cable Antenna Cable Component Cables (RCA) Samsung Electronics...
  • Page 16 MEMO Samsung Electronics...

  • Page 17: Chapter 3 Alignment & Adjustment

    4. Actuator Gain adjustment : See page 3-13. TL-DSP-xxxx 5. Vertical / Horizontal Position adjustment : See page 3-11. 6. CCA : See page 3-12. 7. Board LED check : Check all the LED are turned on. 8. Tilt/Focus adjustment : See page 3-15. Samsung Electronics...

  • Page 18: How To Access Service Mode

    Item Selection by Moving the Cursor Direction keys ▲ / ▼ Data Increase/Decrease for the Selected Item Direction keys ◀ / ▶ Source Cycles through the active input source that are connected to the unit Enter Item Selection/execution Samsung Electronics...

  • Page 19: Factory Data

    HDMI/DVI HOT PLUG Control Melody vol 0~10 Melody Volume Control Test Pattern(GR) scaler test pattern Transfer engine adjustment data from DMD to digital DMD→Digital PC Ident Auto/enable Auto PC indent mode Shop Mode On/Off Shop mode selection Samsung Electronics...
  • Page 20 DMD Bias pin voltage selection Lamp Boost Lamp Boost value selection Lamp Sync Delay 0~4095 Lamp Sync delay value selection Version Optic Select SAMSUNG and ZEISS Selection Lamp Select Philips Philips/Osram/Ushio Optic detect Optic Detect Select K520 Lamp Watt 132W 120W/132W Selection This displays the built-in pattern of the DDP3021 chip.
  • Page 21 Target Magenta Y value for CCA DYellowX 0~32768 Target Yellow X value for CCA DYellowY 0~32768 Target Yellow Y value for CCA D_White_X 0~32768 Target White X value for CCA D_White_Y 0~32768 Target White Y value for CCA Samsung Electronics...
  • Page 22 Gain adjustment of the brightness for the Blue signal ALPMAU/L 0~255 Sub Contrast 0~150 Brightness adjustment for the high-light parts of the screen Sub Brightness Brightness adjustment for the low-light parts of the screen Sub offset 0~255 MATR_CRR MATR_CBG 1820 MATR_CRG 1792 MATR_CBB 1023 B_GAIN_MAX Samsung Electronics...
  • Page 23 Third and forth over-write delay at 54MHz for Cr. CB_DELAY_NEG 0 ~ 65535 First and second over-write delay at 54MHz for Cr. NOISE_ME Read Noise level(0: no noise, 3: high noise) AGC_ON/OFF Selection AGC on/off AGC_GAIN Adjust AGC gain. Samsung Electronics...
  • Page 24 SAP Pilot low 0 ~ 255 Threshold low for SAP detection D_AV Delay 0 ~ 255 Set the delay time for LS channel. A_AV Delay 0 ~ 255 Set the delay time for LS channel. Carrier Mute MTS Interval Samsung Electronics...
  • Page 25 Dynamic Strength Medium Low/Medium/Max Dynamic Con Gain 0~100 Dynamic Sat on/off Dynamic Sat Gain 0~255 Sharp Picture on/off Sharp VLUT TBD/Ugain Sharp Filter HD Low HD Low/SD/UCF Sharp Picture Gain 0~255 12. CHECKSUM 0000 Excute Checksum calcuation Samsung Electronics...
  • Page 26 Duration of use of lamp Lamp clear Lamp Life item does Reset Mute time 600ms 490ms ~ 1000ms Lamp Select Philips Philips/Osram/Ushio Optic Select SAMSUNG and ZEISS Selection Lamp Watt 132W 120W/132W Selection Actuator gain Adjust Actuator gain 3-10 Samsung Electronics...

  • Page 27: Service Adjustment

    6. Press the ◀▶ (Left of Right) button to adjust the red color(Green, Blue, White) at the bottom of the screen at its minimum and maximum values of changing from red to magenta, then adjust to the mean value. Samsung Electronics 3-11...
  • Page 28 Adjusting CCA is applied to all the signal mode. Don't change desired value because it will be harmful to the color of the SET.When the color wheel is changed, Don't performing CCA adjustment procedure. Adjust Index delay only. 3-12 Samsung Electronics...
  • Page 29 1) As shown in the picture above, change the actuator values to eliminate saw tooth shapes. - To fine tune, increase the data value ensuring that you get the center between the starting and ending points of the disappearing saw tooth shape. Samsung Electronics 3-13...

  • Page 30: Software Upgrade

    3) In case entry into SERVICE MODE is unsuccessful, repeat steps 1 and 2 directly above. 4) You can check the firmware version at the bottom of the Factory menu. T-EINLUS0-XXXX T-EINLUS5-XXXX ACL xx.xx.xx RFS..20xx-xx-xx T-LEEUM-xxxx 3-14 Samsung Electronics...

  • Page 31: Replacements & Calibration

    CHASSIS FRAME. Fix the safety switch on the right with tape so that the set can be turned on after removing the bottom cover. : BH,+,B,M4,L12,ZPC(BLK),SWRCH18 3. Remove 3point screw covers. And then loose the 3 points screws. * Left 2 points screws : PWH,S,M3,L8,ZPC(YEL),SWRCH18A Samsung Electronics 3-15...
  • Page 32 ※ When adjusting tilt by yourself, adjust it with setting the mirror in front of the set and watch it. the other way is refering to the 12-1-11 and separating cover dust and adjsusting the screen with looking into the hole. 3-16 Samsung Electronics...
  • Page 33 When adjusting tilt by yourself, adjust it with setting the mirror in front of the set and watch it. the other way is refering to the 12-1-11 and separating cover dust and adjsusting the screen with looking into the hole. Samsung Electronics 3-17...
  • Page 34 MEMO 3-18 Samsung Electronics...

  • Page 35: Chapter 4 Exploded View & Part List

    Exploded View & Part List 4. Exploded View & Part List 4-1 HLS4676SX/XAA You can search for the updated part code through ITSELF web site. URL:http://itself.sec.samsung.co.kr Loc.No. Code No. Description Specification Q'ty SA/SNA Remark M0006 BP63-00830A COVER-REAR 46K5(SLIM),PS,V0,BK500,NON-DE S.N.A M0006...

  • Page 36: Hls4676Sx/Xaa Service Item

    Electrical Part List 5. Electrical Part List 5-1 HLS4676SX/XAA Service Item You can search for the updated part code through ITSELF web site. URL:http://itself.sec.samsung.co.kr Loc.No. Code No. Description Specification Q'ty SA/SNA Remark M0013 BP96-01643A ASSY COVER P-REAR 46K5,HIPS,V0,BK500,NON M0013 BP96-01644A...
  • Page 37 MEMO Samsung Electronics...

  • Page 38: Chapter 6 Troubleshooting

    < Blinking Lamp and Temp LEDs > Is lamp cover installed? Install lamp cover Check boss Replace lamp cover on Lamp Cover Short CN802 5&6 Replace lamp PIN on DMD Board cover switch Replace the DMD Board Replace the Main Board Samsung Electronics...
  • Page 39 Replace Power Board Re-install lamp assy' Check pin pin 10 on CN101 Check 5Vpp at CN803 on DMD Board for 5V DC. pin 1 on DMD Board Replace lamp assy' or ballast Replace DMD Board Replace ballast or lamp assy' Samsung Electronics...
  • Page 40 However, you can avoid outside light by changing the position of the TV or the installation angle. Decreasing the illumination or changing the indoor lighting may work. 9. Screen Flip-over: Enter Factory mode in DDP3021 and perform H-Flip (flip horizontally) and V-Flip (flip vertically). The screen will flip over horizontally or vertically. Samsung Electronics...
  • Page 41 Error in Rambus Dram(IC301) or the soldering → Replace the DMD board ▶ Beehive mosaic patterns all over the screen: Error in the LVDS Receiver (IC100) or the soldering The H sync signals are not transferred to DDP3021. → Replace the DMD board. Samsung Electronics...
  • Page 42 If "pattern" does not appear, this is a Main board error. Replace Main board. 4. Check if there is an error in the main board. Check for a power signal from SMPS to other board see tthe schematic diagram(10-1) And check for indicated power signal. Samsung Electronics...
  • Page 43 Check if DMD Fan is running? If necessary, Replace Main Board. Check Cables connected to Check Cables connected to BALLAST. If necessary, Power Board. If necessary, replace BALLAST. replace Power Board. Check Cables connected to DMD Board. If necessary, replace DMD Board. Samsung Electronics...

  • Page 44: Troubleshooting Procedures By Error Modes

    If turning the lamp on fails, the set automatically tries turning the lamp on 3 times. If all attempts fail, all LED's on the front panel will blink. Check the lamp and the ballast and replace them, if necessary. Samsung Electronics...

  • Page 45: Troubleshooting Procedures By Ass'y

    Check to see if a blue flame starts igniting in the arc gap inside the ballast momentarily during start-up. There is no problem with the ballast if there is a flame. When the ballast has no error, replace the lamp. A blue flame occurs momentarily during start- Samsung Electronics...
  • Page 46 Check if the color wheel is running. + Check the DMD board and the ballast for the signals. Check the second CN800 pin for input signals. When 3.5V, 240Hz is output, the color wheel is operating normally. 3.5V 240Hz ※ DMD Board Check Diagram LAMP ENABLE Samsung Electronics...
  • Page 47 MEMO 6-10 Samsung Electronics...

  • Page 48: Chapter 7 Block Diagram

    ( n I r i A ) e l v i r i t p l a c e c i e s i k n i r o l r o t a l l c i t Samsung Electronics...

  • Page 49: Partial Block Diagram

    - i t r e i r o r l i F r e t t i w i h c - i t d i r r e i l i F r e t r o r Samsung Electronics...
  • Page 50 Block Diagram 7-2-2 Digital Block Diagram Optical out Samsung Electronics...
  • Page 51 Block Diagram 7-2-3 DMD Block Diagram v i r & Ballast s r i Samsung Electronics...

  • Page 52: Chapter 8 Wiring Diagram

    Wiring Diagram 8. Wiring Diagram 8-1 Overall Wiring 8-1-1 Overall Wiring CN801 PD801S CN811 GT805 Samsung Electronics...
  • Page 53 Wiring Diagram 8-1-2 Connect Cables ※The code number of cable(Lead-connector) can be changed, see "5. Electrical Part List." Actuator_SP DVI (300mm : K520) Inlet Code BN39-00640C BP39-00230A BP96-00972F Photo Samsung Electronics...

  • Page 54: Connector Of Main Board

    Wiring Diagram 8-2 Connector of Main Board Samsung Electronics...
  • Page 55 D5.7V 12VB 12VB 12VB 12VB 70VB CN1095 CN1097 Pin No. Pin Name Pin No. Pin Name KEY1 STB5V KEY2 CN1096 CN1050 Pin No. Pin Name Pin No. Pin Name STB-5V -L-OUT KEY-PWR +L-OUT -R-OUT LED-STB +R-OUT LED-LAMP LED-TIMER Samsung Electronics...

  • Page 56: Chapter 9 Pcb Diagram

    * CN801 : Supplies power (DC330V± 10%) to the ballast. * GT805 : Anti-lightning wire connected to the digital board. The anti-lightning wire should be installed for safety purposes. * PD801S : Connecting with power cable. * CN811 : Supplies power to Main board. Samsung Electronics...

  • Page 57: Main Board

    * CN1050 : Transfer Sound signal to Speaker. * CN1095 : Receive IR signal. * CN1096 : Transfer Front LED power signal and Power switch signal. * CN1097 : Receive Side Key signal. * CN965 : Transfer video signal and control signal. Samsung Electronics...

  • Page 58: Dmd Board

    * DMD PANEL : This is protected with a heat sink and fixtures. * DDP3021 : This processes the DMD drive and the signals. * PMD1000 : This supplies the DMD Board power and controls the color wheel rotating. * DAD2000 : This supplies DMD reset signals. Samsung Electronics...
  • Page 59 MEMO Samsung Electronics...

  • Page 60: Main Board

    Schematic Diagram 10. Schematic Diagram 10-1 Main Board 10-1-1 Main-1 This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-1...
  • Page 61 Schematic Diagram 10-1-2 Main-2 This Document can not be used without Samsung’s authorization. Power Signal 10-2 Samsung Electronics...
  • Page 62 Schematic Diagram 10-1-3 Main-3 This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-3...
  • Page 63 Schematic Diagram 10-1-4 Main-4 This Document can not be used without Samsung’s authorization. Power Signal 10-4 Samsung Electronics...
  • Page 64 Schematic Diagram 10-1-5 Main-5 This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-5...
  • Page 65 Schematic Diagram 10-1-6 Main-6 This Document can not be used without Samsung’s authorization. Power Signal 10-6 Samsung Electronics...
  • Page 66 Schematic Diagram 10-1-7 Main-7 This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-7...
  • Page 67 Schematic Diagram 10-1-8 Main-8 This Document can not be used without Samsung’s authorization. Power Signal 10-8 Samsung Electronics...
  • Page 68 Schematic Diagram 10-1-9 Main-9 This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-9...
  • Page 69 Schematic Diagram 10-1-10 Main-10 This Document can not be used without Samsung’s authorization. Power Signal 10-10 Samsung Electronics...
  • Page 70 Schematic Diagram 10-1-11 Main-11 This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-11...
  • Page 71 Schematic Diagram 10-1-12 Main-12 This Document can not be used without Samsung’s authorization. Power Signal 10-12 Samsung Electronics...
  • Page 72 Schematic Diagram 10-1-13 Main-13 This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-13...
  • Page 73 Schematic Diagram 10-1-14 Main-14 This Document can not be used without Samsung’s authorization. Power Signal 10-14 Samsung Electronics...
  • Page 74 Schematic Diagram 10-1-15 Main-15 This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-15...
  • Page 75 Schematic Diagram 10-1-16 Main-16 This Document can not be used without Samsung’s authorization. Power Signal n i l l l a 10-16 Samsung Electronics...
  • Page 76 Schematic Diagram 10-1-17 Main-17 This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-17...
  • Page 77 Schematic Diagram 10-1-18 Main-18 This Document can not be used without Samsung’s authorization. Power Signal 10-18 Samsung Electronics...
  • Page 78 Schematic Diagram 10-1-19 Main-19 This Document can not be used without Samsung’s authorization. Power Signal < < > > o l l . . . Samsung Electronics 10-19...
  • Page 79 Schematic Diagram 10-1-20 Main-20 This Document can not be used without Samsung’s authorization. Power Signal Samsung Electronics 10-20...

  • Page 80: Dmd Board

    Schematic Diagram 10-2 DMD Board 10-2-1 DMD Board-1 This Document can not be used without Samsung’s authorization. l l a Samsung Electronics 10-21...
  • Page 81 Schematic Diagram 10-2-2 DMD Board-2 This Document can not be used without Samsung’s authorization. 10-22 Samsung Electronics...
  • Page 82 Schematic Diagram 10-2-3 DMD Board-3 This Document can not be used without Samsung’s authorization. Samsung Electronics 10-23...
  • Page 83 Schematic Diagram 10-2-4 DMD Board-4 This Document can not be used without Samsung’s authorization. l l a Samsung Electronics 10-24...
  • Page 84 Schematic Diagram 10-2-5 DMD Board-5 This Document can not be used without Samsung’s authorization. l l a l l a l l a 10-25 Samsung Electronics...
  • Page 85 Schematic Diagram 10-2-6 DMD Board-6 This Document can not be used without Samsung’s authorization. Samsung Electronics 10-26...
  • Page 86 Schematic Diagram 10-2-7 DMD Board-7 This Document can not be used without Samsung’s authorization. 10-27 Samsung Electronics...
  • Page 87 Schematic Diagram 10-2-8 DMD Board-8 This Document can not be used without Samsung’s authorization. g i j l l a l l a l l a f l l f l l g i j a l l p i l...
  • Page 88 Schematic Diagram 10-2-9 DMD Board-9 This Document can not be used without Samsung’s authorization. > - Samsung Electronics 10-29...

  • Page 89: Power Board

    Schematic Diagram 10-3 Power Board This Document can not be used without Samsung’s authorization. Samsung Electronics 10-30...

  • Page 90: Key Control

    Schematic Diagram 10-5 LED 10-4 Key Control This Document can not be used without Samsung’s authorization. This Document can not be used without Samsung’s authorization. 10-31 Samsung Electronics...

  • Page 91: Rmc

    Schematic Diagram 10-6 RMC This Document can not be used without Samsung’s authorization. Samsung Electronics 10-32...

  • Page 92: Product Features And Functions

    Press to see the on-screen menu. Press to raise or lower the volume and to select items when using the on-screen menu. Press to change channels and move between items on the on-screen menu. Press to activate (or change) a particular item. Samsung Electronics 11-1...
  • Page 93 • It takes about 30 seconds for the TV to warm up, so normal brightness may not appear immediately. • The TV has a fan to keep the inside lamp from overheating. You'll occasionally hear it working. 11-2 Samsung Electronics...
  • Page 94 DVI device. (Not ⑦ DIGITAL AUDIO OUT (OPTICAL) jack compatible with PC) Connect to a Digital Audio Component. ⑭ POWER IN ⑧ DVI (Digital Video Interface) AUDIO input jacks Connect the supplied power cord. Samsung Electronics 11-3...

  • Page 95: Remote Control

    You can use the remote control up to about 23 feet from the TV. When using the remote control, always point it directly at the TV. You can also use your remote control to operate your VCR, Cable box, DVD player or Samsung Set-Top Box.
  • Page 96 ① Separate the 8 cables. Chassis Notice: The DVI screw is made of soft plastic and may easily break when applying excessive force through a screw driver. Ensure that extreme caution is taken when loosening the screw. Samsung Electronics 12-1...
  • Page 97 Disassembly & Reassembly Part Name Description Description Photo Holder ① The chassis should be pulled out towards the left side. Chassis 12-2 Samsung Electronics...
  • Page 98 12-1-2 Separation of the Main Board and Power Board Part Name Description Description Photo Main,Power ① Remove the 2 cables and 4 screws. and Separate SMPS. Board :PWH,+,B,M3,L10,ZPC(YEL),SWRCH18A ① Remove the 6 screws and 2 standoffs. : PWH,+,B,M3,L10,ZPC(YEL),SWRCH18A Samsung Electronics 12-3...
  • Page 99 Disassembly & Reassembly Part Name Description Description Photo Main,Power ① Remove the shield case. Board ① Remove the 1 screw. and Separate the Main Board. :PWH,+,B,M3,L10,ZPC(YEL),SWRCH18A 12-4 Samsung Electronics...
  • Page 100 ① Remove 2 screws and separate 3 cables. Engine : BH,+,B,M4,L12,ZPC(BLK),SWRCH18 ① Remove the engine by pulling it out of the cabinet. : Be careful when removing the Light Engine as it may get caught up by the upper cable of the case. Samsung Electronics 12-5...

  • Page 101: Lamp Replacement

    5. Be sure to connect this TV directly to an AC wall outlet. If the TV's AC plug is connected to a cable box or other source, it will not allow for proper cool down time. Part Name Description Description Photo Lamp ① Unplug TV, then use a screwdriver to remove the screws. :BH,+,B,M4,L12,ZPC(BLK),SWRCH18 ① Remove the Lamp cover. 12-6 Samsung Electronics...
  • Page 102 Disassembly & Reassembly Part Name Description Description Photo Lamp ① Push the clip and pull down the Lamp holder. Samsung Electronics 12-7...
  • Page 103 Disassembly & Reassembly Part Name Description Description Photo Lamp ① Separate the Lamp from the engine by holding the handle and pulling it out. 12-8 Samsung Electronics...
  • Page 104 Disassembly & Reassembly 12-1-5 Ballast Replacement Part Name Description Description Photo Ballast ① Remove the 3 cables. Board Samsung Electronics 12-9...
  • Page 105 Disassembly & Reassembly Part Name Description Description Photo Ballast ① Remove the 2 screws and Fan cover. Board ① Remove the 2 screws and Fan. 12-10 Samsung Electronics...
  • Page 106 Disassembly & Reassembly Part Name Description Description Photo Ballast Board ① Remove the 3 screws and separate Ballast. Samsung Electronics 12-11...
  • Page 107 Disassembly & Reassembly Part Name Description Description Photo Ballast Board 12-12 Samsung Electronics...
  • Page 108 12-1-6 Color Wheel Ass'y Replacement Part Name Description Description Photo Color ① Remove the 2 screws and separate lens cover. Wheel (L620 doesn't have the cover color wheel.) : WSP,PH,+,M3,L8,ZPC(YEL),SW ① Remove the 2 screws and separate color wheel cover. Samsung Electronics 12-13...
  • Page 109 Disassembly & Reassembly Part Name Description Description Photo Color Wheel ① Remove the gasket tape and separate 2 cables. 12-14 Samsung Electronics...
  • Page 110 Disassembly & Reassembly Part Name Description Description Photo Color Wheel ① Remove 2 screws and separate color wheel assy. Samsung Electronics 12-15...
  • Page 111 Disassembly & Reassembly Part Name Description Description Photo Color Wheel 12-16 Samsung Electronics...
  • Page 112 Disassembly & Reassembly 12-1-7 Actuator(Smooth Picture) Replacement Part Name Description Description Photo Actuator ① Separate the cable. ① Remove the 3 screws. Samsung Electronics 12-17...
  • Page 113 Disassembly & Reassembly Part Name Description Description Photo Actuator ① Pull out the actuator. 12-18 Samsung Electronics...
  • Page 114 Disassembly & Reassembly 12-1-8 Separation of the DMD Board Part Name Description Description Photo ① Remove the DVI cable and actuator cable. Board Samsung Electronics 12-19...
  • Page 115 Disassembly & Reassembly Part Name Description Description Photo ① Remove the 4 cables. Board ① Remove 2 screws and separate fan assy. 12-20 Samsung Electronics...
  • Page 116 Disassembly & Reassembly Part Name Description Description Photo Board ① Remove the 4 screws. Samsung Electronics 12-21...
  • Page 117 Disassembly & Reassembly Part Name Description Description Photo Board .① Pull out the shield case. .① Remove the 8 screws. 12-22 Samsung Electronics...
  • Page 118 Disassembly & Reassembly Part Name Description Description Photo Board Samsung Electronics 12-23...
  • Page 119 Disassembly & Reassembly Part Name Description Description Photo Board ① Remove the Heat sink and separate DMD Board. 12-24 Samsung Electronics...
  • Page 120 Disassembly & Reassembly Part Name Description Description Photo ① Pull out the DMD and replace it. Board : Be careful not to bent a pin Samsung Electronics 12-25...
  • Page 121 12-1-9 Separation of the SCREEN Part Name Description Description Photo Front, ① Set. Rear ① Separate 10 screws for fixing COVER-REAR and COVER-FRONT. ② Separate 10 screws for fixing COVER-REAR, BOT and COVER-FRONT. :BH,+,B,M4,L12,ZPC(BLK),SWRCH18 ③ Separate BOT and COVER-REAR. 12-26 Samsung Electronics...
  • Page 122 Disassembly & Reassembly Part Name Description Description Photo HOLDER- ① After separating COVER-REAR and BOT, separate TERMINAL HOLDER-TERMINAL. Connector ① Separate 2 BRKT-CHASSIS fixed screws. ② Pull out CHASSIS ASSY on the left side slightly, and separate CONNECTOR Samsung Electronics 12-27...
  • Page 123 Disassembly & Reassembly Part Name Description Description Photo Front ① Separate COVER-FRONT from SET. BRKT- ① Separate 2 KNOB-CONTROL fixed screws on the side. SCREEN :BH,+,B,M4,L10,YEL,SWRCH18A ② Separate KNOB-CONTROL. 12-28 Samsung Electronics...
  • Page 124 (TOP, BOT) ② Delete BRKT-SCREEN as pushing it to the upside.(LEFT ) ③ Delete BRKT-SCREEN as pushing it to the lower part.(RIGHT) ( The direction in the parenthesis is the standard of the rear) Side R L Bottom Samsung Electronics 12-29...
  • Page 125 Disassembly & Reassembly Part Name Description Description Photo Screen ① Pick the screen slightly and put your hand in the center of screen and pull it toward the front and separate screen. ② Separate the screen in the COVER-FRONT. 12-30 Samsung Electronics...
  • Page 126 ② Push the indicating sign of the picture and separate SNAP of C/DUST from C/REAR ( Pushing part : the upper or lower part of jointing Screw) ③ Separate C/DUST with using the gap which occurs when SNAP of C/DUST is separated. Samsung Electronics 12-31...
  • Page 127 Disassembly & Reassembly Part Name Description Description Photo 12-32 Samsung Electronics...

  • Page 128: Circuit Description

    And based on the DMD panel used, a 1-panel TV requires a color wheel while a 3-panel TV does not. The HD5 panel needs an actuator while the HD2 does not. However, the drive mechanism and the overall block structure of the two panels are the same. Samsung Electronics 13-1...

  • Page 129: Partial Block Description

    IC801S to induce it. c. The secondary induced voltage is 66KHz square wave power, which goes through the smoothing cap (CS822) to be generated in the standby 5V. d. Multi power also operates the same way. 13-2 Samsung Electronics...
  • Page 130 ＊ The others(AC100V~AC240V) - OPTION 2) Output voltage ＊ 12V / 2.5A - 12V , 3.3V , 1.8V : For signal processing ＊ 6.0V / 1A - For driving the tuner ＊ 16V - For driving sound amp Samsung Electronics 13-3...
  • Page 131 All video inputs are transferred to X240H for digital processing and all video output goes through DNle to the DLP DMD board. Audio signals are transferred to the STV8258 chip and are emitted through the speaker. It also has a 5.1 channel optical port and a USB port for Wiselink and a S/W update 13-4 Samsung Electronics...
  • Page 132 Circuit Description 13-2-3 DMD Block Description v i r & Ballast s r i ■ Controls the lamp (ON/OFF) ■ Drives the color wheel motor ■ Drives the panel Samsung Electronics 13-5...

  • Page 133: New Circuit Description

    13-3 New Circuit Description 13-3-1 Output Voltage States of the DMD Board Parts R834 R835 Loc. Characteristics R835 LAMP EN High from DDP3021(5V) R834 LAMP LITZ High (5V) before the lamp turns on. Low (0V) when the lamp turns on. 13-6 Samsung Electronics...
  • Page 134 SERIAL CONTROL ENABLE SCPCLK SERIAL CONTROL CLOCK DWRDN DMD LOGIC RESET MBRST(14:0) MIRROR BIAS RESET MBRST_EXTRA UNUSED MIRROR BIAS RESET EVCC REFERENCE VOLTAGE DURING SPAM READ TEST OPERATION(NORMAL GND) VCC2 MIRROR ELECTRODE VOLTAGE(8V) LOGIC SUPPLY LOGIC GROUND Samsung Electronics 13-7...
  • Page 135 (for 50 inch TV) the time that the volt- that turns on lamp #4 of CN802 on the DMD board is high (5V). age is 5V. * When about 4 seconds have passed after changing to pulse waveform, the screens are displayed on the set. 13-8 Samsung Electronics...
  • Page 136 X240H Format converter, Deinterlacer, Scaler, USB ADC HDMI Receiver MST33389 ADC Digital Receiver for HDMI with HDCP Video Enhance SDP32 SAMSUNG RGB Processor AT49BV Program ROM 8M + 32M, Nor + ONENAND Flash Memory + KFG5616U1M Frame Buffer SDP32 SAMSUNG...
  • Page 137 Circuit Description 13-3-6 K520 Engine Ass'y C O V E R - W H E EL 13-10 Samsung Electronics...
  • Page 138 PC GF20% ,T2.5 BRACKET-PANEL AL D/C T3.5 HEATSINK-ES BRACKET-UV Filter SUS, T0.3 BRACKET-LAMP SUS, T0.5 BRACKET-DETECT S/W SUS, T COVER-DUCT,OUT(BOT) PC+GF20% T2.5 BRACKET-HINGE TOP SUS WIRE, 2.0 BRACKET-HINGE BOTTOM SUS WIRE, 2.0 COVER-WHEEL PC ABS, T2.5 RUBBER-COLOR WHEEL Rubber Samsung Electronics 13-11...
  • Page 139 MEMO 13-12 Samsung Electronics...

  • Page 140: Reference Information

    The mirror returns to a blank state so that no stains or after-images are left. The SAMSUNG SKY500N model has both an ANYNET port and a SERVICE jack port. Because the shape of the ANYNET port on the DLP TV is the same as that of the SERVICE jack port of the SKY500N, it fails to turn the TV off after a connection has been reported.
  • Page 141 Ex: For LCD 15:9 devices, "Wide" is displayed on the OSD instead of "16:9". 4. The picture size can be changed even in the blue screen. However, the picture size should be controlled by the product specifications if the change is impossible due to hardware restrictions. 14-2 Samsung Electronics...

  • Page 142: Technical Terms

    Anynet An AV networking system of Samsung's various AV devices, English Captions (Subtitle) which enables the user to conveniently control AV devices A feature to provide English captions or character information using the TV.
  • Page 143 Reference Information S-video Terminal This is, called "Super-video", divided into video and color sig- nals for sharper image display. VHF/UHF VHF refers to the 2 - 13 channel system; UHF indicates the 14 - 69 channel system. 14-4 Samsung Electronics...

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