Panasonic TC-L32E6L, Service Manual

Page 1: ... Panasonic Corporation 2013 Unauthorized copying and distribution is a violation of law ORDER NO MTNC130366CE 32 inch Class 1080p LCD HDTV Model No TC L32E6L LA41 Chassis ...

Page 2: ... Mode 9 6 2 SRV TOOL 10 6 3 Hotel mode 11 6 4 Data Copy by USB Memory 12 7 Troubleshooting Guide 15 7 1 Check of the IIC bus lines 15 7 2 Power LED Blinking timing chart 16 7 3 LCD Panel test mode 16 8 Disassembly and Assembly Instructions 17 8 1 Disassembly Flow Chart for the Unit 17 8 2 Disassembly Procedure for the Unit 18 9 Measurements and Adjustments 24 9 1 Voltage chart of P board 24 9 2 Vo...

Page 3: ...en 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 100 Mohm and over 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 the AC cord directly into the...

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 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 ES devices 6 Do not remove a...

Page 5: ...ee 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 C If you must use Pb solder please completely remove all of the Pb free solder on the pins or solder area before applying Pb solder If ...

Page 6: ...6 3 Service Navigation 3 1 PCB Layout Board Name Function A Board Main K Board IR LED AI P Board Power SW ...

Page 7: ...2 3 TYPE A Connector supports HDAVI Control 5 function USB 1 2 USB 2 0 Type A connector DC 5V Max 500mA DIGITAL AUDIO OUT PCM Dolby Digital Fiber Optic OTHERS ETHERNET 10BASE T 100BASE TX Dimensions W H D Including pedestal 724 mm 489 mm 207 mm TV Set only 724 mm 434 mm 53 mm Mass Including pedestal 9 5 kg NET TV Set only 8 5 kg NET Receiving systems Band name Digital TV 6 MHz VHF UHF free to air ...

Page 8: ...tored in both Main IC IC8000 and NAND Flash IC8900 5 1 2 Replacement of ICs When Main IC is replaced NAND Flash should be also replaced with new one the same time When NAND Flash is replaced Main IC is not necessary to be replaced the same time After the replacement of IC SELF CHECK should be done to generate the final KEY data How to SELF CHECK While pressing VOLUME button on the main unit press ...

Page 9: ...b items change in forward direction in reverse direction 6 1 3 How to exit Switch off the power with the POWER button on the main unit or the POWER button on the remote control 6 1 4 Contents of adjustment mode Value is shown as a hexadecimal number Preset value differs depending on models After entering the adjustment mode take note of the value in each item before starting adjustment Main item S...

Page 10: ...rrence after shipment will be cleared by Self check indication and forced to factory shipment setting 6 2 3 POWER ON TIME COUNT Note To display TIME COUNT menu highlight position then press MUTE for 3 sec Time Cumulative power on time indicated hour minute by decimal Count Number of ON times by decimal Note This indication will not be cleared by either of the self checks or any other command 6 2 4...

Page 11: ...h time power is switched on Selection RF HDMI1 HDMI2 HDMI3 AV Off give priority to a last memory Channel Select channel when input signal is RF Set the channel each time power is switched on Selection Any channel number or means the channel when turns off Volume Adjust the volume when each time power is switched on Range 0 to 100 Vol Max Adjust maximum volume Range 0 to 100 OSD Ctrl Restrict the O...

Page 12: ...then copy to other TVs 6 4 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 New and then click text document A new file is created by default New Text Document txt 3 Right click the new text document that you just created and select rename and then change the name and exten...

Page 13: ...llowing 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 After the completion of copying to USB Memory remove USB Memory from TV set 5 Turn off the TV set Note Following new folder will be created in USB Memory for data from TV set a For Board replacement user...

Page 14: ...ent 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 copying Limited one copy b For Hotel Data will not be deleted and can be used for other TVs 5 Turn off the TV set Note 1 Depending on the failure of boards function of Data copy for board replacement...

Page 15: ... factory shipment setting Produce TV reception screen and while pressing VOLUME button on the main unit press MENU button on the remote control for more than 3 seconds 7 1 2 Exit Disconnect the AC cord from wall outlet or press the POWER button on the main unit for 3 seconds to turn off and then turn on automatically 7 1 3 Screen display 7 1 4 Check Point Confirm the following parts if NG was disp...

Page 16: ...o Exit Switch off the power with 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 then judge by the following method Still abnormal picture is displayed The cause must be in LCD Panel Normal picture is displayed The cause must be in A board Remarks The...

Page 17: ...17 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 18: ...n the unit so that the rear cover faces upward 2 Remove the 4 screws 3 Remove the pedestal 8 2 2 WiFi Dongle 1 Remove the 1 screw 2 Remove the WiFi Dongle 8 2 3 Back Cover 1 Remove the 19 screws A 2 Remove the 3 screws B 3 Remove the 3 screws C 4 Remove the Back Cover ...

Page 19: ...he 3 screws 4 Disconnect the connectors P2 and P3 5 Remove the P Board 8 2 5 A Board 1 Remove the 3 screws 2 Remove the 2 locking tabs 3 Remove the Side AV bracket 4 Remove the CH Mount Boss and Ground Spring 5 Disconnect the connectors A02 A10 A12 A16 and A20 6 Remove the A Board ...

Page 20: ... 1 Remove the 2 Speaker Unit L R 8 2 8 Rear Panel BTM Assy 1 Remove the 1 screw A 2 Remove the 2 screws B 3 Remove the Rear Panel BTM Assy 8 2 9 Rear Panel Top L R Assy 1 Remove the 2 screws 2 Remove the Rear Panel L R Assy 3 Remove the Rear Panel Top Assy 8 2 10 WiFi Cable 1 Remove the 1 screw 2 Remove the WiFi Cable ...

Page 21: ...2 12 Rear Panel Metal Bot L R 1 Remove the 8 screws 2 Remove the Rear Panel Metal Bot L R 8 2 13 TAL CH Frame A 1 Remove the 2 screws 2 Remove the TAL CH Frame A 8 2 14 Metal Bracket Bottom and LCD Panel 1 Remove the 4 screws 2 Remove the Metal Bracket Bottom and LCD Panel ...

Page 22: ...22 8 2 15 Felt Sponge and so on ...

Page 23: ...23 ...

Page 24: ...wer Supply Name Test point Spec 24V TP7511 24 2V 16V TP7410 16 0 8V 5VS TP7501 5 3 0 2V Power Supply Name Test point Spec PANEL12V TP4000 4001 11 50V 12 50V SUB5V TP5420 4 95V 5 40V SUB3 3V TP5400 3 17V 3 43V SUB1 5V TP8100 1 435V 1 585V SUB1 2V TP8101 1 140V 1 260V JP_TU_2 5V TP5705 2 38V 2 62V ...

Page 25: ...CDC INPUT FILTER AMP 16V STB5V P2 BL_ON BL_PWM OUT DCDC PWM 5VS PANEL TMDS DATA KEY POWER_ON LIVE AC CORD AUDIO_OUT SUB_ON SUB1 2V AUDIO SUB1 5V POWER BL_SOS OVP DET POWER_ON L R IN SUB3 3V TV_SOS WiFi LVDS Tx DCDC SUB_ON DIGITAL DDR_I F USB I F SUB3 3V ARC A10 C A T S SENSOR DCDC NAND FLASH SPEAKER L P15V SUB5V PNL12V SUB5V SUB_ON DDR3 SUB1 2V SUB_AI_3 3V SUB3 3V SUB5V USB5V SUB_ON STB5V DCDC STB...

Page 26: ... CONTROL PANEL KEY SW7402 7406 PNL12V 3 POWER SW 5 LED DRIVE 16V JK7101 IC7301 T7301 Q7301 13 24V 24V 5V 4 BL_ON LINE FILTER PHOTO COUPLER 1 12V STB5V 11 P2 8 ERROR DETCT 12 7 LF7103A LF7104A 11 3 6 12 D7102 A 1 PWM P Q7502 CF7101 2 10 5VS SUB3 3V IC8705 BL_PWM LVDS_DATA PANEL_VCC_ON 11 USB5V 8 PB 5V 3 3V 16V 16V 4 1 PNL12V SUB_ON LVDS_DATA 1 3 PANEL12V PNL12V A16 KEY PR POWER ON IC5300 IC8704 DCD...

Page 27: ...FD2 1 A20 JK8602 DVB_T2 HDMI_CEC DDC IIC1 IC8101 BL_ON 7 PWM_A_OUT USB_I F COMPONENT IN CVBS IN PWM_A_IN 10 RM_IN TU_1 8V BL_PWM SUB5V AI_SENSOR ETHERNET DCDCEN TV_SOS IIC_2 HDMI_5V_DET2 LVDS_DATA POWER_ON UART 1 8V R SPEAKER_R KEY IIC_0 OVP SUB3 3V 1 2V 5V 12 FE_XRST IC8603 HDMI1 PWM_POWON 4 PANEL_VCC_ON JK8601 IC5704 PWM_EN JK8650A 1 ANALOG ASIC IC5701 VBUS1 IIC_2 IC8706 HDMI3 SDIN AGC1 WiFi 5V ...

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Page 29: ...gram 11 1 Caution 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 2 Dressing Wire ...

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