Samsung PL-42C91HP Service Manual
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Samsung PL-42C91HP Service Manual

Samsung PL-42C91HP Service Manual

F33a(n_hd)_lily chassis
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1. Precaution
2. Product Specification
3. Disassembly & Reassembly
4. Troubleshooting
5. Exploded View & Part List
6. Wiring Diagram
7. Schematic Diagram
PL-42C91HP
PL-50C91H
Refer to the service manual in the GSPN (see the rear cover) for the more information.

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Summary of Contents for Samsung PL-42C91HP

  • Page 1 1. Precaution 2. Product Specification 3. Disassembly & Reassembly 4. Troubleshooting 5. Exploded View & Part List 6. Wiring Diagram 7. Schematic Diagram PL-42C91HP PL-50C91H Refer to the service manual in the GSPN (see the rear cover) for the more information.
  • Page 2 Mideast & Africa mea.samsungportal.com © Samsung Electronics Co., Ltd. Mar. 2007 This Service Manual is a property of Samsung Electronics Co.,Ltd. Printed in Korea Any unauthorized use of Manual can be punished under applicable AA82-04126A International and/or domestic law.

  • Page 3: Table Of Contents

    Table of Contents Chapter 1 Precaution ■ 1-1 Safety Precautions ............1-1 ■...

  • Page 4: Chapter 1 Precaution

    When Check the AC power cord for possible damages. Keep voltage exceeds the specified limits, check each special the part or the lead away from any heat-emitting part. materials. Samsung Electronics...
  • Page 5 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. Samsung Electronics...

  • Page 6: Servicing Precautions

    AC source and turn the switch on. Connect the insu- lating resistance meter (500v) to the AC plug blade. The insulating resistance between the blade of the AC plug and that of the conductive material should be more than 1 ㏁. Samsung Electronics...

  • Page 7: 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 8: Installation Precautions

    5. Make sure to turn the power off and unplug the power cord from the outlet before repositioning 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. Samsung Electronics...
  • Page 9 MEMO Samsung Electronics...

  • Page 10: Chapter 2 Product Specification

    Product Specification 2. Product Specification 2-1 Product Specification Features Block Specification Major IC Remark Tuner TCPN3081PA32S(H) SEMCO PDP Module Samsung SDI W2A 42"HD/50"HD SAMSUNG SDI Power Input Voltage: AC 100~240V, 50/60Hz Scaler Video MT8202FG Video Decoder Sound AMP NTP3000 Neo Fidelity...

  • Page 11: Specifications Analysis

    Product Specification 2-2 Specifications Analysis ※ ○: application, X: non-application Model PL-42C91HP (Lily-42HD) PL-50C91H (Lily-50HD) PL-42P7HP (Spirra-42HD) Design Display Type PDP TV PDP TV PDP TV Built-In Tuner PC Resolution 1024 x 768 @ 60Hz 1360 x 768 @ 60Hz...

  • Page 12: Accessories

    XAP-3903-000144 Power Cord XAZ-3903-000195 Owner's Instructions BN68-00866X Warranty Card XAP-AA68-03727A XAZ-BN68-00580A Safety Guide Manual AA68-03242F Cloth-Clean BN63-01798A Samsung Service center Ferrite Core for 3301-001110 Power Cord Ferrite Core for 3301-001305 Side-AV/S-VIDEO Ferrite Core for 3301-001456 Headphone Cover-Bottom BN63-03055A Screws (2ea)
  • Page 13 Product Specification Accessories Item Item code Remark PC Cable BN39-00115A 1830mm PC Audio Cable Electronics Store/ BN39-00061B 2000mm Internal shopping mall Antenna Cable BN39-00333A 3000mm Samsung Electronics...

  • Page 14: Chapter 3 Disassembly & Reassembly

    3-1-2 Separation of ASSY PCB MISC-MAIN Part Name Description Description Photo Main ① Detach all connectors from the Main Board Board. ② Remove 4 screws. : PH,+,WWP,M3,L8,NI PLT ③ Remove the Main Board. Samsung Electronics...
  • Page 15 ② Remove 2 screws. ( : PH,+,WWP,M3,L8,NI PLT ③ Remove a screw. ( : BH,+,S,M4,L10,ZPC(BLK) ④ Remove FILTER-EMI AC LINE. 3-1-4 Separation of BRACKET-PCB Part Name Description Description Photo Bracket ① Remove a screw. : BH,+,S,M4,L10,ZPC(BLK) ② Remove the BRACKET-PCB. Samsung Electronics...
  • Page 16 : BH,+,B,M4,L3,ZPC(BLK) ③ Remove Bracket. 3-1-6 Separation of ASSY BOARD P-SIDE AV Part Name Description Description Photo Side AV ① Remove a screw. ( : BH,+,B,M4,L3,ZPC(BLK) ② Remove a screw. ( : BH,+,S,M4,L10,ZPC(BLK) ③ Remove the Side AV. Samsung Electronics...
  • Page 17 50" ① Remove 2 screws. ( Wall : BH,+,B,M4,L3,ZPC(BLK) Bracket ② Remove 6 screws. ( : BH,+,S,M4,L10,ZPC(BLK) ③ Remove Wall Bracket. : Please lay the PDP panel face down on a soft surface when separating front cover. Samsung Electronics...
  • Page 18 : BH,+,WP,B,M4.0,L3,ZPC(BLK), SWRCH18A ② Remove the Speaker. 3-1-9 Separation of ASSY BOARD P-POWER&IR Part Name Description Description Photo Power ① Detach all connectors from the & Power&IR Board. IR Board ② Remove the Power&IR PCB unlocking the 2 holders. Samsung Electronics...
  • Page 19 ② Remove 8 screws. : PH,+,WWP,M3,L8,NI PLT ③ Remove the SMPS. : Wear gloves when handling the power board as there may be some remaining electrical charge in the capacitor. Specifically, avoid touching any part of the capacitor. Samsung Electronics...
  • Page 20 ② Remove 4 screws. : WSP,PH,+,M3,L8,NI PLT ③ Remove the Logic Main Board. 50" ① Detach all connectors from the Logic Logic Main Board. Board ② Remove 4 screws. : WSP,PH,+,M3,L8,NI PLT ③ Remove the Logic Main Board. Samsung Electronics...
  • Page 21 X-Board, press the upper and the lower sides of the connector. 42" ① Remove 4 screws. X-Main : PH,+,WWP,M3,L8,NI PLT Board ② Remove the X-Main Board. 50" ① Remove 4 screws. X-Main : PH,+,WWP,M3,L8,NI PLT Board ② Remove the X-Main Board. Samsung Electronics...
  • Page 22 Flat Cable ① Detach the 6 scan board connectors from the panel by pulling the holder from both the top and bottom ends. 42" ① Remove 3 screws. Y-Scan : PH,+,WWP,M3,L8,NI PLT Board 50" ① Remove 5 screws. Y-Scan : PH,+,WWP,M3,L8,NI PLT Board Samsung Electronics...
  • Page 23 Description Photo 42" ① Remove 4 screws. Y-Main : PH,+,WWP,M3,L8,NI PLT Board ② Detach all connectors from the Y-Main Board. 50" ① Remove 4 screws. Y-Main : PH,+,WWP,M3,L8,NI PLT Board ② Detach all connectors from the Y-Main Board. 3-10 Samsung Electronics...
  • Page 24 ② Remove 3 screws. : PH,+,WWP,M3,L8,NI PLT ③ Remove the E-Board and F-Board. 50" ① Detach the all connectors from the Buffer buffer board. Board ② Remove 14 screws. : PH,+,WWP,M3,L8,NI PLT ③ Remove the E-Board and F-Board. Samsung Electronics 3-11...
  • Page 25 ② Remove 4 screws. ( : BH,+,S,M4,L10,ZPC(BLK) ③ Remove the Side Panel Brackets. 3-1-16 Separation of ASSY PCB FUNCTION Part Name Description Description Photo Function ① Remove 2 screws. Board : BH,+,B,M4,L3,ZPC(BLK) ② Remove the Function Board. 3-12 Samsung Electronics...

  • Page 26: Chapter 4 Troubleshooting

    - 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. Samsung Electronics...
  • Page 27 Is the Fuse (F801S) of the SMPS ① Replace Fuse (F801S) Power Input Part blown? SMPS CN801 ② Pin 3 : STB 5V Replace the SMPS Pin 2 PS-ON : Check to see if it is 0V Replace the Main Board Samsung Electronics...
  • Page 28 MAIN SMPS, CN4701 OF THE X MAIN BOARD, AND CN5707 OF THE Y MAIN BOARD, A SPARK MAY BE Caution GENERATED BY THE ELECTRIC CHARGE OF THE HIGH CAPACITY CAPACITOR. THEREFORE, WAIT SOME TIME AFTER DISCONNECTING THE POWER CORD FROM THE UNIT. Samsung Electronics...
  • Page 29 MAIN SMPS, CN4701 OF THE X MAIN BOARD, AND CN5707 OF THE Y MAIN BOARD, A SPARK MAY BE Caution GENERATED BY THE ELECTRIC CHARGE OF THE HIGH CAPACITY CAPACITOR. THEREFORE, WAIT SOME TIME AFTER DISCONNECTING THE POWER CORD FROM THE UNIT. Samsung Electronics...
  • Page 30 Is the output voltage of SMPS normal? ② (CN801 #13) Replace the SMPS Is the speaker output terminal of the Main Board normal? Replace the Main Board ③ Replace the Speaker Samsung Electronics...
  • Page 31 - Check the CVBS cable connection. - Check the power input of the Main board. Troubleshooting Procedures Is the antenna connection setting properly configured? Configure properly ① Check CN101 pin2 for +33V Replace the SMPS Replace the Main Board Samsung Electronics...
  • Page 32 Check the U101, D108 STD_5V Normal Abnormal Check the U201, Q203, Q204 Normal Abnormal Check the U501 Abnormal Check the U601 Multi Normal Abnormal Check the Q401, Q402 Normal Check the Other board (Image Board or Driver Board) or Cable. Samsung Electronics...
  • Page 33 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, TCP Samsung Electronics...
  • Page 34 F5004 for VCC F4004 for VDD F5005 for OUT_L F4005 for Ve Q4002~Q4003 SHORT SHORT Q5009~Q5021 FET/ Q4011~Q4016 FET/ D5005, D5007 Replace the Board Replace the Board DIODE D4004 DIODE D5008 D4006~D4008 Y-MAIN X-MAIN Normal State Normal State Samsung Electronics...
  • Page 35 FUSE Replace the Board FUSE Replace the Board F5004 for VCC F4004 for VDD F5005 for OUT_L F4005 for Ve SHORT SHORT Q4002~Q4003 Q5009~Q5021 Replace the Board Replace the Board Q4011~Q4016 Y-MAIN X-MAIN Normal State Normal State 4-10 Samsung Electronics...
  • Page 36 ④ Sustain Short (some horizontal lines appear to be linked on Video) [ Y-FPC ] Sustain Short (Discharging in unwanted Scan line) After Changing Y-buffer, Replace the Panel recheck the status There is a defect on the FPC Done (Defect is from Y-buffer) Samsung Electronics 4-11...
  • Page 37 Buffer Board and the Logic Main address data output section. Check the FFC connection status Check the detailed waveform Replace Logic Main / and control the signal waveform Address Buffer (E or F) / DONE Replace the Panel 4-12 Samsung Electronics...
  • Page 38 - Check the version of each program - Replace the Main board A blank upper (or lower) block Upper/Lower Y Buffer defect appears on the screen. - Replace the corresponding upper/lower buffers (E, F) Samsung Electronics 4-13...
  • Page 39 - Adjust the SMPS voltage according to the voltage printed on the module label Dim screen (blurred in red) X-Main board defect - Replace the X-Main board A blank screen appears - Replace the Y-Main board 4-14 Samsung Electronics...
  • Page 40 The side function key does not work properly 10 ASSY BOARD P-POWER&IR The remote control does not work properly, the LED does not work properly. 11 ASSY BOARD P-SIDE AV The AV2 and S-VIDEO2 modes do not work properly <PDP 42”> <PDP 50”> Samsung Electronics 4-15...

  • Page 41: Adjustment

    ① Write down the value of HDMI White Balance of Factory Mode before replacing Board. ② PDP Option of Factory Mode → set the Factory Data Type item as the suitable value of relevant model. ③ Set the value of HDMI White Balance with the value written down before. 4-16 Samsung Electronics...
  • Page 42 ※ 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 you have adjusted the settings in Service Mode, you have to reset the product. Samsung Electronics 4-17...
  • Page 43 Auto/PAL-M/PAL-N/ Initial Color System Auto NTSC-M PS Test Min/Sec English/French/ Language Spanish English Portuguese Active Low/ Hp Detect Active Low Active High PC Ident On/Off WM Calib On/Off Uart Select Normal/Debug_DL Debug/DL Sub MCU PW Down On/Off 4-18 Samsung Electronics...
  • Page 44 0~255 Normal Blue Gain 0~255 Normal Red Offset 0~255 Normal Blue Offset 0~255 Cool2 Red Gain 0~255 Cool2 Blue Gain 0~255 Cool2 Red Offset 0~255 Cool2 Blue Offset 0~255 Mov.Contrast 0~100 Mov.Brightness 0~100 Mov.Color 0~100 Mov.Sharpness 0~100 Samsung Electronics 4-19...
  • Page 45 0~255 R Offset After 0~255 G Offset After 0~255 B Offset After 0~255 Red Gain 0~255 Green Gain 0~255 Blue Gain 0~255 R Offset Before 0~255 G Offset Before 0~255 B Offset Before 0~255 LVDS Control 0~255 4-20 Samsung Electronics...
  • Page 46 5-3. MT8202 (Picture Enhance2) ITEM Range Initial Componet HDMI/DVI PreLGain_Main 0~191 PreMGain_Main 0~191 PreHGain_Main 0~191 PreLGain_Sub 0~191 PreMGain_Sub 0~191 PreHGain_Sub 0~191 LocalLGain 0~191 LocalMGain 0~191 LocalHGain 0~191 PostLGain 0~191 PostMGain 0~191 PostHGain 0~191 Vgain 0~191 Sub Color 0~100 Samsung Electronics 4-21...
  • Page 47 On/Off FRC DBG MarkOn 0~15 FRC Bypass On/Off CDC Lower Gain 0~31 CDC Upper Gain 0~31 Panel Type Read Only Panel Inch Read Only Panel Version Read Only Logic Sw Version Read Only Panel Temp Read Only 4-22 Samsung Electronics...
  • Page 48 MTS SAP Num 0~50 MTS SAP Low 69~132 MTS SAP High 101~202 MTS SAP Mute Lvl 0~100 MTS Fine Vol 0~40 MTS SAP Fine Vol 0~40 FM Mute Th_H HDev 0~150 FM Mute Th_L Hdev 0~150 Speaker EQ On/Off Samsung Electronics 4-23...
  • Page 49 Std. Color 0~255 Std. Sharpness 0~255 Same as Initial Data Melody Volume 0~100 Brightness Center 0~55 Contrast Gain 0~255 MTK_Dyn. Contrast On/Off DSP Recovery On/Off Suwon/Sesk/SEH/ Channel Table SUWON TTSEC Video Mute Time 0~10 Sound Delay 0~70 4-24 Samsung Electronics...
  • Page 50 Hot Plug Dly 3~50 11. Bus Stop ITEM Range Initial Componet HDMI/DVI Main Loop On/Off Eeprom On/Off Tuner On/Off Same as Initial Data Normal On/Off Watch Dog On/Off 12. Password 80 80 80 80 13. CheckSum 91A8 Samsung Electronics 4-25...
  • Page 51 0~255 Rang 1080i 0~255 Fixed Value about each mode. Step 640*480 0~255 Rang 640*480 0~255 Step 800*600 0~255 Rang 800*600 0~255 Step 1024*768 0~255 Rang 1024*768 0~255 Step 1360*768 0~255 Rang 1360*768 0~255 FBE_Spectrum 1/2/3/4/Off 16. Reset 4-26 Samsung Electronics...
  • Page 52 Perform in NTSC B&W Pattern #24 Lattice Component IN (Model_#6) Perform in 720p B&W Pattern #24 Lattice Perform in VESA XGA (1024x768) PC Analog IN (Model_#21) Lattice B&W Pattern #24 HDMI IN Perform in 720p B&W Pattern #24 Lattice <Table 1> Samsung Electronics 4-27...
  • Page 53 6) In "HDMI Calibration Off" status, press the "▶" key to perform Calibration. 7) When Calibration is complete, it returns to the high-level menu. 8) You can see the change of the "HDMI Calibration" status from Failure to Success. 4-28 Samsung Electronics...
  • Page 54 L/L : 278/285 ± 3, 1.9ft ± 0.05ft (This Data will be able to be changed according to Picture quality Setting, Please refer to latest data from Factory.) ( SAMSUNG WHITE BALANCE Adjustment PATTERN with FPD ) Conditions for Measurement ■ ■...
  • Page 55 - Adjust red offset ('x') and blue offset ('y') to the color coordinates. Low light Measurement point ( SAMSUNG WHITE BALANCE Adjustment PATTERN with FPD ) * 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.
  • Page 56 ASSY PDP MODULE P-ADDRESS E BUFFER ASSY PDP MODULE P-ADDRESS F BUFFER ASSY BOARD P-SIDE A/V ※ When replacing the SMPS or PDP panel, you have to check the voltage printed on the panel sticker and adjust it. Samsung Electronics 4-31...
  • Page 57 (If you do not adjust the voltage, an abnormal discharge symptom may appear.) Value Board Adjustment Vset SMPS Vscan -190 SMPS Voltage Label 2. A point of adjusting SMPS-MAIN voltage. Vs Adjustment Vs Test point Va Test point Va Adjustment 4-32 Samsung Electronics...
  • Page 58 Troubleshooting Y-RR and Y-FR controls ■ ■ Test Point Set the main reset (rising : 60usec, falling : 80usec) by change the value of variable resistor. 60usec 80usec Rising ramp variable resistor Falling ramp variable resistor Samsung Electronics 4-33...

  • Page 59: Upgrade

    But, If you cannot update new software through service port, open TV's back-cover and use UART JIG to update new software. The update tool will be supplied with UART JIG. In case of need, UART JIG will be supplied by CS Group to SVC center. 4-34 Samsung Electronics...
  • Page 60 1. If some problems occur under this condition, update S/W by using UART JIG. 2. You can use UART JIG with USB Connection. 3. Install in your PC before using the JIG. Connect 4P Lead connector to Main Board (CN501) Samsung Electronics 4-35...
  • Page 61 < Main Board > 1. Turn on the Set (or on Stand by mode) - Run "MTKtool" 2. When you run "MTKtool", this Program can detect USB port automatically. Choose USB interface and Update S/W as RS-232C case. 4-36 Samsung Electronics...
  • Page 62 14 Dynamic Contrast 5 MTK 8202 15 Spread Spectrum 6 FBE2 option 16 Reset 7 Pdp Logic 8 SOUND 9 YC Delay 10 Adjust HDCP Write Success.. S/W Version T-LIL42NSA-XXXX Month, Date, Year 00:00:00 T-BDPMNSAS-XXXX Panel On Time(Hour) Samsung Electronics 4-37...
  • Page 63 If Set off is unavailable, please wait for 10 minutes and progress Power Off -> On. The reason of resetting EEPROM is to prevent the malfunction of SET because the unecessary data is not removed after update. 4-38 Samsung Electronics...
  • Page 64 MEMO Samsung Electronics 4-39...

  • Page 65: Chapter 5 Exploded View & Part List

    Exploded View & Part List 5. Exploded View & Part List 5-1 PL42C91HPX/XAP Exploded View Samsung Electronics...
  • Page 66 S.N.A T0044 BN96-04923A ASSY PDP MODULE P 42HD W2A,S42AX-YB03,W2 T0056 BN63-03091A COVER-DECORATION 42C9,ABS,HB,BLK S.N.A T0074 BN59-00604A REMOCON Bordeaux Plus,TM87C,SAMSUNG 28P+ T0079 BN94-01357A ASSY PCB MISC-MAIN LATIN_AMERICA,LILY 42 T0175 BN96-04704A ASSY SPEAKER P 8ohm,C9,10W,4P connector, T0268 3903-000144 CBF-POWER CORD DT,US,BP3/Y,U(IEC C13-RA)

  • Page 67: Pl50C91Hx/Xaz Exploded View

    Exploded View & Part List 5-2 PL50C91HX/XAZ Exploded View Samsung Electronics...
  • Page 68 T0044 BN96-05772A ASSY PDP MODULE P PL50HW025A,50HD W2A,PL T0056 BN63-03081A COVER-DECORATION 50C9,ABS,HB BLK S.N.A T0074 BN59-00604A REMOCON Bordeaux Plus,TM87C,SAMSUNG 28P+ T0079 BN94-01357B ASSY PCB MISC-MAIN LATIN AMERICA,LILY 50 T0175 BN96-04704A ASSY SPEAKER P 8ohm,C9,10W,4P connector, T0268 3903-000195 CBF-POWER CORD DT,BR,BP3/Y,U(IEC C13-RA)

  • Page 69: Pl42C91Hpx/Xap Service Item

    LILLY 42"/50",UL1007#26,U T0003 BN96-04712A ASSY COVER P-FRONT 42C9,-,ABS HB,BK23,ST T0044 BN96-04923A ASSY PDP MODULE P 42HD W2A,S42AX-YB03,W2 T0074 BN59-00604A REMOCON Bordeaux Plus,TM87C,SAMSUNG 28P+ T0079 BN94-01357A ASSY PCB MISC-MAIN LATIN_AMERICA,LILY 42 T0175 BN96-04704A ASSY SPEAKER P 8ohm,C9,10W,4P connector, T0764 BN44-00161A SMPS-PDP TV...

  • Page 70: Pl50C91Hx/Xaz Service Item

    T0003 BN96-04713A ASSY COVER P-FRONT 50C9,-,ABS HB,BK23,ST T0044 BN96-05772A ASSY PDP MODULE P PL50HW025A,50HD W2A,PL T0074 BN59-00604A REMOCON Bordeaux Plus,TM87C,SAMSUNG 28P+ T0079 BN94-01357B ASSY PCB MISC-MAIN LATIN AMERICA,LILY 50 T0175 BN96-04704A ASSY SPEAKER P 8ohm,C9,10W,4P connector, T0764 BN44-00162A SMPS-PDP TV...
  • Page 71 MEMO Samsung Electronics...

  • Page 72: Chapter 6 Wiring Diagram

    CN5502 CN5701 CN2002 CN2003 LOGIC BOARD CN2028 CN2004 AC-INLET CN5503 E-BUFFER F-BUFFER CN2509 CN2500 CN2600 CN2609 CN2610 CN2510 CN1002 CN1001 CN901 TEST CN101 FUNCTION CN601 TEST CN104_P MAIN BOARD CN101 CN8001 CN301_OP CN102 SIDE AV POWER SW SPEAKER Samsung Electronics...
  • Page 73 ※ The code number of cable(Lead-connector) can be changed, see "5. Exploded View & Part List." ① LVDS 31P-30P ② POWER 24P ⑪ AC_INPUT 42" - BN39-00859A 42" - 2901-001378 Code BN39-00881A 50" - BN39-00817A 50" - 2901-001340 Photo Samsung Electronics...
  • Page 74 Signal Pin No. Signal Pin No. Signal Pin No. Signal TXC- VIDEO_SR_IN TX2+ VIDEO_SL_IN TX2- MICOM_CEC HP_IDENT SVHS_IDENT HP_OUT_R TX1+ TSCL SVHS_Y HP_OUT_L TX1- TSDA USB_VCC LSCL SVHS_C B1.8V TX0+ HDMI3_5V B3.3V TX0- HPD_SIL9185 VIDEO_IDENT DDC_WP VIDEO_CVBS TXC+ Samsung Electronics...
  • Page 75 KEY_INPUT2 5.3V 5.3V LED_CTRL ⑨ ⑩ ⑪ CN1201(MAIN B'D) CN1702(MAIN B'D) CN800(SMPS) ↔ ↔ ↔ SPEAKER FUNCTION AC INLET Pin No. Signal Pin No. Signal Pin No. Signal R+_OUT KEY_INPUT1 AC Neutral R-_OUT KEY_INPUT2 L+_OUT AC Live L-_OUT Samsung Electronics...
  • Page 76 Power SW input connect on Main Board CN1203 CN1203 Speak out connect on Main Board CN101 CN101 Video signal input connect on Side AV ass'y Function input(source,ch up/down...) connect to Main board Power SW input connect to Main Board Samsung Electronics...
  • Page 77 MEMO Samsung Electronics...

  • Page 78: Chapter 7 Schematic Diagram

    Connects to the Y terminal block, 1) provides maintaining voltage waveform (including ERC), 2) provides Y Rising, Falling Ramp waveforms, and 3) maintains the Vscan bias. ■ Address Buffer Board It delivers the data signal and control signal to the TCP. Samsung Electronics...
  • Page 79 MEMO Samsung Electronics...
  • Page 80 Schematic Diagram 7-2 Schematic Diagram 7-2-1 POWER_ETC This Document can not be used without Samsung’s authorization. Power Video Audio Samsung Electronics...
  • Page 81 Schematic Diagram 7-2-2 INPUT_JACK1 This Document can not be used without Samsung’s authorization. Power Video Audio f l l Samsung Electronics...
  • Page 82 Schematic Diagram 7-2-3 INPUT_JACK2 This Document can not be used without Samsung’s authorization. Power Video Audio " 6 & Samsung Electronics...
  • Page 83 Schematic Diagram 7-2-4 INPUT_JACK3 This Document can not be used without Samsung’s authorization. Power Video Audio Samsung Electronics...
  • Page 84 Schematic Diagram 7-2-5 DDR_FLASH This Document can not be used without Samsung’s authorization. Power Video Audio t ’ Samsung Electronics...
  • Page 85 Schematic Diagram 7-2-6 MT8202 This Document can not be used without Samsung’s authorization. Power Video Audio Samsung Electronics...
  • Page 86 Schematic Diagram 7-2-7 HDMI_MT8293 This Document can not be used without Samsung’s authorization. Power Video Audio Samsung Electronics...
  • Page 87 Schematic Diagram 7-2-8 SOUND_AMP This Document can not be used without Samsung’s authorization. Power Video Audio 7-10 Samsung Electronics...
  • Page 88 Schematic Diagram 7-2-9 FBE_LVDS This Document can not be used without Samsung’s authorization. Power Video Audio Samsung Electronics 7-11...
  • Page 89 Schematic Diagram 7-2-10 LVDS_TX_LBE This Document can not be used without Samsung’s authorization. & Power Video Audio 7-12 Samsung Electronics...

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