Panasonic TX-55CX670E, Service Manual

Page 1: ...Panasonic Corporation 2015 Unauthorized copying and distribution is a violation of law ORDER NO PCZ1504083CE LCD Television Model No TX 55CX670E TX 55CX680E TX 55CXR700 LA59 Chassis...

Page 2: ...enu 11 6 2 Repack 11 6 3 EDID Clock 12 6 4 USB HDD Drive Check 12 6 5 System Information 13 6 6 Hotel mode 14 6 7 Data Copy by USB Memory 15 7 Troubleshooting Guide 18 7 1 Check of the IIC bus lines 1...

Page 3: ...1 2 Touch Current Check 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer for this check 2 Connect a measuring network for touch currents between each exposed metallic...

Page 4: ...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...

Page 5: ...e 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 sold...

Page 6: ...Navigation 3 1 PCB Layout Board Name Function A Board Main P Board Power Supply Switch PB Board Power Supply LED Driver K Board IR LED CATS TC Board T CON Non serviceable TC Board should be exchange...

Page 7: ...ut RGB in AV2 input COMPONENT VIDEO VIDEO RCA PIN Type 1 1 0 V p p 75 AUDIO L R RCA PIN Type 2 0 5 V rms Y 1 0 V p p including synchronisation PB CB PR CR 0 35 V p p HDMI 1 2 3 input TYPE A Connectors...

Page 8: ...Humidity 20 80 RH non condensing Built in wireless LAN Standard compliance and Frequency range IEEE802 11a n 5 180 GHz 5 320 GHz 5 500 GHz 5 580 GHz 5 660 GHz 5 700 GHz 670E 680E 5 15 GHz 5 35 GHz 5...

Page 9: ...en Main IC IC8000 is replaced eMMC IC8920 should be also replaced with new one the same time When eMMC IC8920 is replaced Main IC IC8000 is not necessary to be replaced the same time After the replace...

Page 10: ...for A16B connector on A board If the flexible cable is inserted at a slant the tip of the cable may be damaged In this case the flexible cable should be replaced because a damaged tip causes connecti...

Page 11: ...n 2 seconds Note CS Maintenance Menu can not be entered when 3D signal input Input 2D signal to enter CS Maintenance Menu 6 1 2 Key command Press the Cursor key Up Down on the remote control to select...

Page 12: ...sor key Right on the remote control Exit Press the Exit button or the Return button on the remote control 6 4 USB HDD Drive Check 1 Select DRV CHECK in CS Maintenance Menu 2 Press OK button or Cursor...

Page 13: ...bad block in NAND Flash dec Peaks reboot counter System crash counter Emergency SOS counter Peaks NAND Maker ID Status4 A00000 0000003 00000 A 00000 0000003 00000 Power On period A 100hrs B 200hrs C 2...

Page 14: ...programme number Selection Off 0 to 99 Off give priority to a last memory Initial VOL Level Adjust the volume when each time power is switched on Selection Range Off 0 to 100 Off give priority to a l...

Page 15: ...hen copy to other TVs 6 7 2 Preparation Make pwd file as startup file for a or b in a empty USB Memory 1 Insert a empty USB Memory to your PC 2 Right click a blank area in a USB Memory window point to...

Page 16: ...lowing password for a or b by using remote control a For Board replacement 2770 b For Hotel 4850 Data will be copied from TV set to USB Memory It takes around 2 to 6 minutes maximum for copying 4 Afte...

Page 17: ...nt 2771 b For Hotel 4851 Data will be copied from USB Memory to TV set 4 After the completion of copying to USB Memory remove USB Memory from TV set a For Board replacement Data will be deleted after...

Page 18: ...heck indication only Produce TV reception screen and while pressing VOLUME button on the main unit press BLUE button on the remote control for more than 3 seconds 7 1 1 2 Self check indication and for...

Page 19: ...unit for 3 seconds to turn off and then turn on automatically DISPLAY Check Ref No Description Check Point H14TUN TU6704 TUNER A BOARD H38FRC IC9000 FRC A BOARD H07TEMP IC2250 TEMP SENSOR A BOARD H17...

Page 20: ...the POWER button on the main unit or the POWER button on the remote control How to confirm If the abnormal picture is displayed go into LCD Panel test mode to display the several test patterns And th...

Page 21: ...21 8 Disassembly and Assembly Instructions 8 1 Disassembly Flow Chart for the Unit This is a disassembly chart When assembling perform this chart conversely...

Page 22: ...l 8 2 2 AC Inlet Holder Caution To remove AC Inlet Holder wait 1 minute after power was off for discharge from electrolysis capacitors 1 Remove the 2 screws 2 Remove the AC Inlet Holder 8 2 3 Back Cov...

Page 23: ...wait 1 minute after power was off for discharge from electrolysis capacitors 1 Remove the 6 screws 2 Disconnect the connectors P2 and P6 3 Remove the P Board 4 Remove the 5 hooks 5 Remove the Key But...

Page 24: ...discharge from electrolysis capacitors 1 Remove the 6 screws 2 Disconnect the connectors PB1 PB3 PB4 and PB6 3 Remove the PB Board 4 Remove the PB Board Barrier 8 2 7 A Board 1 Remove the 1 screw 2 Re...

Page 25: ...605 5 Remove the 5 screws 6 Remove the Side AV Bracket and the Bottom AV Bracket 7 Remove the 4 2 hooks 8 Remove the A Board from 4 Spacer for A Heatsinks 8 2 8 TC Board 1 Disconnect the connectors U1...

Page 26: ...ks C 5 Remove the K Board and the LED Panel from the LED Panel Case 6 Disconnect the connector K10 7 Remove the K Board from the LED Panel 8 2 10 Wi Fi Dongle 1 Disconnect the Wi Fi Cable 2 Remove the...

Page 27: ...e the 4 VESA Metals 8 2 12 Bottom Metals 1 Remove the 4 screws 2 Remove the 2 Bottom Metals 8 2 13 Speaker L R 1 Disconnect the 2 relay connectors 2 Remove the Speaker L R 3 Remove the 6 screws 4 Remo...

Page 28: ...28 8 3 Specification of EMI countermeasures 8 3 1 Felt on Back Cover 1 8 3 2 Felt on Back Cover 2 8 3 3 Felt on Bottom Back Cover...

Page 29: ...29 8 3 4 Felt on Bottom AV Bracket 8 3 5 Specification of sticking the Electromagnetic wave absorption sheet...

Page 30: ...30 8 3 6 Specification of sticking the Electromagnetic wave absorption sheet...

Page 31: ...31 8 3 7 Specification of heat rubber...

Page 32: ...32 8 3 8 Specification of sticking the Gasket 8 3 9 Specification of sticking the Gasket...

Page 33: ...33 8 3 10 Specification of sticking the Electromagnetic wave absorption sheet 8 3 11 Specification of sticking the Electromagnetic wave absorption sheet...

Page 34: ...34 8 3 12 Specification of HDMI Shield Case...

Page 35: ...35 8 3 13 Specification of sticking the PET Tape 8 3 14 Specification of sticking the Heat rubber...

Page 36: ...V 0 25V USB2 TP8655 5 0V 0 25V USB3 TP8631 5 0V 0 25V USB WiFi TP8648 5 14V 0 20V SUB3 3V TP5001 3 39V 0 15V HDMISW3 3V TP4514 3 35V 0 17V SUB_AI_3 3V TP2206 3 3V 0 17V STB_1 5V TP8101 1 52V 0 07V SUB...

Page 37: ...K8 VTX_HTP 0 K7 44 51 PNL12V AJ6 AK6 AL6 AL5 AL4 AM4 AM5 AM6 AN6 AP6 AP5 AP4 AR4 AR5 AR6 AT6 AU6 AU5 AU4 AV4 AV5 AW5 AV6 AW6 AT7 AR7 AM7 AL7 V By One RX LVDS V By One TX A12 IC4901 C1AB00003984 AUDIO...

Page 38: ...RIVER DC DC 8STB 39FAIL 2N 4CS 26CL7 PB1 4 TO PANEL 4 IN 7 Out 40VCC BL_SOS BL_ON BL_PWM3 BL_PWM4 BL_PWM6 23PWM7 22PWM6 19PWM3 15BS7 Q7804 27CL6 3 14BS6 Q7803 30CL3 2 11BS3 Q7802 33VREF OCP LED7 LED5...

Page 39: ...39 11 Wiring Connection Diagram 11 1 Wiring Diagram...

Page 40: ...on statement Caution Please confirm that all flexible cables are assembled correctly Also make sure that they are locked in the connectors Verify by giving the flexible cables a very slight pull 11 3...

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