Panasonic TH-50C300K Service Manual Download Page 27 | Manualshive

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TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X

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Summary of Contents for TH-50C300K

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

Page 2: ...2 5 3 How to change ProjectID with RCU 12 6 Troubleshooting Guide 13 6 1 Green Power LED does not turned on 13 6 2 Abnormal display 14 6 3 Abnormal sound 15 7 Disassembly and Assembly Instructions 16 8 Measurements and Adjustments 18 8 1 Voltage chart of A board 18 8 2 Voltage chart of P board 18 9 Block Diagram 19 10 Wiring Connection Diagram 20 11 Schematic Diagram 21 12 Exploded View and Replac...

Page 3: ...value with an ohmmeter between the jumpered AC plug and each exposed metallic cabinet part on the equipment such as screwheads connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be 8 5Mohm to 13Mohm When the exposed metal does not have a return path to the chassis the reading must be 1 1 2 Leakage Current Hot Check See Figure 1 1 Plug t...

Page 4: ...c charge buildup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ...

Page 5: ...may be used PCBs manufactured using lead free solder will have the PbF within a leaf Symbol PbF stamped on the back of PCB Caution Pb free solder has a higher melting point than standard solder Typically the melting point is 50 70 F 30 40 C higher Please use a high temperature soldering iron and set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high about 1100 F or 600...

Page 6: ... TH 50C300X 6 3 Service Navigation 3 1 Service Hint Board Name Main Device Remarks A BOARD TUN EEP SPI MTK IC All boards are non repairable and should be exchanged for service P BOARD Power Supply K BOARD Key IR BOARD Remote LD BOARD LED Driver ...

Page 7: ...put TYPE A Connectors USB USB 2 0 TYPE A Connectors DC 5 V Max 500 mA SPDIF PCM Dolby Digital Coaxial VGA DB15 Socket Analogue Audio Out Mini PIN Type 353 707 mV rms Sound Audio output 20 W 10 W 10 W Receiving systems Band name 12 SYSTEMS FUNCTION 1 PAL B G Reception of broadcast 2 PAL I 3 PAL D K 4 SECAM B G 5 SECAM D K 6 SECAM L 7 NTSC 4 43 Playback from Special VCR s or DVD 8 NTSC 3 58 9 PAL 10...

Page 8: ...exit the Factory menu 1 Hotkey submenu 2 Warm Up Mode submenu 3 ADC submenu N A menu reains grayed 4 White Balance submenu Item Sub item Value Note Hotkey Off On Enable Hotkey flag by pressing fg key to have possibility to access Fac tory menu with RETURN key default is disabled Item Sub item Value Note Burning Mode Off On Enable Burning mode by pressing fg key then press EXIT key to activate it P...

Page 9: ... fg key to enable disable Light Sensor On Off Press fg key to enable disable Dynamic Backlight Low Medium High Auto Select by pressing fg key Back light 000 100 Set Backlight by pressing fg key ADP Control Low Point 000 100 007d Set ADP Low by pressing fg key ADP Control Middle Point 000 100 057d Set ADP id by pressing fg key ADP Control High Point 000 100 100d Set ADP High by pressing fg key Scal...

Page 10: ...TV to standby Last Status Force TV to standby or to start depending on latest operation Item Sub item Value Note USB Clone USB Clone Mode All ChannelList EEPROM User Setting Select by pressing fg key TV TO USB DO Press OK g to copy TV template context to USB depending on Cloning mode USB TO TV DO Press OK g to copy USB template context to TV depending on Cloning mode Item Sub item Value Note PC Li...

Page 11: ...ddress Update from USB Press OK g key to copy MAC address from USB Written status Show the writing status NO by default MAC address Show the MAC address NULL by default PC Link Check DO Press OK g to check IP address detection and control MAC DID and UID integ rity Tuner AGC 127 127 Set AGC level by pressing fg key Auto Standby Off 4 hours 6 hours 8 hours Select ErP Auto Switch Off mode by pressin...

Page 12: ...d to restart TV and wait few seconds for Eeprom update Note If Reset Shop was performed a Welcome Setup menu should be displayed otherwise new SW version should be displayed into relevant Factory mode caption info or on bottom of Factory menu 5 2 2 Upgrade without Loader 1 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: ...le 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 The print information will be useful to analyzing the problems quickly recur to the serial inter...

Page 14: ... s high degree of integration all of the video signals are transmitted to the back end after processed by main IC All of the sources abnormal display may caused by the main IC s abnormal run So it is need to judge the problem is caused by the main IC or fore end circuits You can do like this Put the good machine s TV AV signal into the bad machine s Main IC and put the bad machine s TV AV signal i...

Page 15: ...0K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 15 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: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 16 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 17 3 Remove the back cover ...

Page 18: ...with the specified voltage as following table Power Supply Name Measurement Point Specification V Remark SUB1 2V L102 1 14 1 26 SUB3 3V U101 3 19 3 46 SUB5V L116 4 92 5 25 STV3 3V P102 pin7 3 19 3 46 PNL12V L101 11 5 12 5 Output Test Point Specification Step 1 Step 2 24V CN1 pin 1 2 4 1V 24 1 6V 3 3V CN1 pin7 3 3 0 2V 3 3 0 2V PFC R13 340V 390V 15V Step 1 Supply AC 100V 230 to JK7101 connector in ...

Page 19: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 19 9 Block Diagram ...

Page 20: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 20 10 Wiring Connection Diagram Stick pet tape for wire dressing ...

Page 21: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 21 11 Schematic Diagram ...

Page 22: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 22 ...

Page 23: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 23 ...

Page 24: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 24 ...

Page 25: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 25 ...

Page 26: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 26 ...

Page 27: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 27 ...

Page 28: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 28 ...

Page 29: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 29 ...

Page 30: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 30 ...

Page 31: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 31 ...

Page 32: ...7 NC VSTB C70 0 1uF 50V C69 NC D14 NC C76 1500UF 16V C78 220uF 25V R79 1206 100Ω C68 NC R104 10K C80 0 22uF 50V Q13 MM BT2222A R67 1K 1 2 U2A LTV 817B PWON R108 10K Q14 MMBT2222A C82 0 22uF 50V C81 0 22uF 50V Q7 MMBT2907A D21 1N4148W D22 1N4148W ZD6 ZMM33V ZD7 ZMM30V VPWR HVCC D23 1N4148W R97 2K R110 4 7K R109 10K R102 3 3K1 R105 200K1 R103 5 6K1 2 3 1 U7 AZ431L C17 0 1uF 50V R101 200R R106 9 1K1 ...

Page 33: ...K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 33 12 Exploded View and Replacement Parts List 12 1 Exploded View and Mechanical Replacement Parts List 19 9 16 17 20 21 18 11 12 10 13 15 14 23 22 Guide sticking 3 ...

Page 34: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 34 70䡚75mm FRONT 5 7 6 4 8 Bottom 2 1 CauƟon Point Rubber foot is facing carton ...

Page 35: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 35 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 36 3 Put the EPE into the box the EPE is toward to box 4 Put the base neck into the top styrofoams ...

Page 37: ... 58 525890 80JZ1 TZZ00001834A CABLE MAIN BOARD TO DRIVE BOARD 46 CF040L 13U01G TZZ00001835A CABLE MAIN BOARD TO KEY BOARD 46 FM060L 04P01G TZZ00001837A CABLE MAIN BOARD TO IR BOARD 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 Safety Ref N...

Page 38: ...3 TBM4GD6794 MODEL NAME PLATE 7 TQZ4GB974 FAN BAG ASSEMBLY 8 TXFPC01DRVX CARTON ASSEMBLY 10 TZZ00001828A MAIN BOARD T8 50D14KI MA2 14 TZZ00001832A LCD PANEL T8 50C300M LPP1 Safety Ref No Part No Part Name Description Pcs Remarks 1 K2CT2YY00091 AC CORD 3 TBM4GD6795 MODEL NAME PLATE 7 TQZ4GB977 FAN BAG ASSEMBLY 8 TXFPC01UNUM CARTON ASSEMBLY 10 TZZ00001828A MAIN BOARD T8 50D14KI MA2 14 TZZ00001832A L...

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