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Panasonic TH-50C300K Service Manual
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Panasonic TH-50C300K Service Manual

Panasonic TH-50C300K Service Manual

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ORDER NO. MTV1506450CE
LED TV
TH-50C300K
Model No.
TH-50C300M
TH-50C300S
TH-50C300T
TH-50C300X
© Panasonic Corporation 2015.

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Summary of Contents for Panasonic TH-50C300K

  • Page 1 ORDER NO. MTV1506450CE LED TV TH-50C300K Model No. TH-50C300M TH-50C300S TH-50C300T TH-50C300X © Panasonic Corporation 2015.

  • Page 2: Table Of Contents

    Parts List --------------------------------------------------- 33 12.2. Packing procedure --------------------------------------- 35 12.2.1. Common Part List for all TH-50C300 Series--------------------------------------------------- 37 12.2.2. For TH-50C300K Only (Malaysia)--------------- 37 12.2.3. For TH-50C300S Only (Singapore)------------- 37 12.2.4. For TH-50C300T Only (Thailand) --------------- 37 12.2.5. For TH-50C300X Only (Singapore Re- Export) ------------------------------------------------- 38 12.2.6.

  • Page 3: Safety Precautions

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 1 Safety Precautions 1.1. General Guidelines 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

  • Page 4: Warning

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor [chip] components.

  • Page 5: About Lead Free Solder (Pbf)

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 2.2. About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu).

  • Page 6: Service Navigation

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 3 Service Navigation 3.1. Service Hint Board Name Main Device Remarks A BOARD TUN, EEP, SPI, MTK IC P BOARD Power Supply All boards are non-repairable and should K BOARD be exchanged for service IR BOARD Remote LD BOARD...

  • Page 7: Specifications

    Net (With Pedestal) 13.2 Net (TV only) Power source AC 220-240 V, 50 / 60 Hz (TH-50C300K/ TH-50C300S/ TH-50C300T) AC 110-240 V, 50 / 60 Hz (TH-50C300X) AC Auto 110-240 V, 50 / 60 Hz (TH-50C300M) Rated power consumption 125 W Standby power consumption 0.50 W...

  • Page 8: Test And Alignment

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 5 Test and Alignment 5.1. Factory Menu Description Follow the below steps to pop-up the Factory menu in case of “FactoryKey” is disabled: • Press RCU “MENU” key to display main menu • Select “Picture” and press “OK” key to enter into Picture submenu •...
  • Page 9 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X Item Sub-item Value Note GREEN Offset 000..255 Set G Offset by pressing “fg” key (-127..+128 for offset) BLUE Offset 000..255 Set B Offset by pressing “fg” key (-127..+128 for offset) White Balance Init > Press “g” key to initialize Gain/Offset values Pic.
  • Page 10 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 6 - Reset ALL submenu Item Sub-item Value Note Reset ALL > Press “OK g” key to default NVM according to selected Project ID (all adjustments are defaulted, channel Maps are cleared, Hotkey is enabled, …) 7 - Power Mode submenu...
  • Page 11 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X Item Sub-item Value Note MCU Version Info (n/a) (NULL) Info Product S/N Update CI+ Update CI+ > Press “OK g” key to active Credential Credential Update from USB > Press “OK g” key to copy key from USB Erase CI+ >...

  • Page 12: How To Upgrade Flash Sw Using Usb

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 5.2. How to upgrade Flash SW using USB 5.2.1. Upgrade with Loader 1. Power-off or switch TV to standby (LED should light on). 2. Copy the corresponding SW PKG image (ex: “V8-0MT310x-LF1Vxxx.pkg”) into USB stick (pen drive) root path and rename it to “upgrade.pkg”.

  • Page 13: Troubleshooting Guide

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 6 Troubleshooting Guide 6.1. Green Power LED does not turned on. • Many problems may cause the TV can't start up. Firstly, it's need to foreclose the possible bad board (such as main board, key board, panel etc). We can do the right thing only if we find the bad board. The main reasons such as: power supply abnormal, core voltage, DDR's reference voltage, main program abnormal, MBOOT program abnormal, wrong panel parameter, EEPROM data abnormal, bad Main IC and DDR etc.

  • Page 14: Abnormal Display

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 6.2. Abnormal display • The method of maintain single source (such as TV, AV etc) abnormal display: Firstly, check the relative channel circuit's component whether have obviously short and virtual jointing. It is need to use forehead method to deal with the covert reason.

  • Page 15: Abnormal Sound

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 6.3. Abnormal sound • It is need to check Tuner's outputs when in TV source and check the IIS signals from main IC. Check the Mute circuits and AMP reset's function.

  • Page 16: Disassembly And Assembly Instructions

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 7 Disassembly and Assembly Instructions 1. Disassembly the screws on the back cover. 2. Be careful of the board lines.
  • Page 17 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 3. Remove the back cover.

  • Page 18: Measurements And Adjustments

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 8 Measurements and Adjustments 8.1. Voltage chart of A-board Set A-Board to a dummy set and check the satisfaction with the specified voltage as following table. Power Supply Name Measurement Point Specification (V) Remark SUB1.2V L102 1.14 - 1.26 SUB3.3V...

  • Page 19: Block Diagram

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 9 Block Diagram...

  • Page 20: Wiring Connection Diagram

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 10 Wiring Connection Diagram • Stick pet tape for wire dressing.

  • Page 21: Schematic Diagram

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 11 Schematic Diagram...
  • Page 22 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X...
  • Page 23 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X...
  • Page 24 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X...
  • Page 25 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X...
  • Page 26 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X...
  • Page 27 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X...
  • Page 28 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X...
  • Page 29 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X...
  • Page 30 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X...
  • Page 31 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X...
  • Page 32 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 1N5408 YG972S6R,10A,600V,TO-220F MF72-1.3D15,1.3Ω,8A,Φ15 SHLD5505F01-101H-T2 YG902C2R,10A,200V,TO -220F L5RH3.5×6×0.8 1206,1.2MΩ SHLD5501F-101H-L1A MD F18N50,18A,500V HVCC 54V 2A 1206,56Ω MUPPER 1uF,450V 4.7uF,25V NCP1397A G,SO-16 1206,12Ω ZMM22V 5.1K 2.2K 1N4148W 8,9,10 1206,1.2MΩ FMAX BD1- 10uF,50V VPWR 24V 2A 0.08Ω,3W PTR20100CTF 1206,1.2MΩ 100K CTIM ER...

  • Page 33: Exploded View And Replacement Parts List

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 12 Exploded View and Replacement Parts List 12.1. Exploded View and Mechanical Replacement Parts List Guide sticking...
  • Page 34 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X Bottom 70 75mm <Cau on Point> Rubber foot is facing carton FRONT...

  • Page 35: Packing Procedure

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 12.2. Packing procedure 1. Put in the paper tray carefully. Don’t damage the bottom styrofoams of the paper tray. 2. Put the base into the styrofoam.
  • Page 36 TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 3. Put the EPE into the box, the EPE is toward to box. 4. Put the base neck into the top styrofoams.

  • Page 37: Common Part List For All Th-50C300 Series

    (46-FM060L-07P01G) TZZ00001838A CABLE FOR SPEAKER (46-CV015L-02J01G) TZZ00001839A CABLE FOR LEFT SPEAKER (46-BV040L-02J01G) TZZ00001840A POWER SUPPLY WIRE (46-LL065L-12X01G) TZZ00001841A LVDS CABLE (46-60FC35-CFB01G) 12.2.2. For TH-50C300K Only (Malaysia) Safety Ref. No. Part No. Part Name & Description Remarks K2CQ2YY00122 AC CORD TBM4GD7001...

  • Page 38: For Th-50C300X Only (Singapore Re-Export)

    TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X 12.2.5. For TH-50C300X Only (Singapore Re-Export) Safety Ref. No. Part No. Part Name & Description Remarks K2CQ2YY00122 AC CORD TBM4GD6794 MODEL NAME PLATE TQZ4GB974 FAN BAG ASSEMBLY TXFPC01DRVX CARTON ASSEMBLY TZZ00001828A MAIN BOARD (T8-50D14KI-MA2) TZZ00001832A LCD PANEL (T8-50C300M-LPP1) 12.2.6. For TH-50C300M Only (Middle East) Safety Ref.

This manual is also suitable for:

Th-50c300mTh-50c300sTh-50c300tTh-50c300x

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