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Panasonic TH-43DX400L, Service Manual

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29

7.No tuning channels

DTV or ATV no Channels.

No tuning

channels

Tuner power/

Signal setting

OK?

Upgraded

software OK?

crystal/I2C bus

OK?

Change setting/

tune again

Replace signal

source

Check TV

settings

Tune again

Check & replace

power flow/crystal units

Replace main

board

Replace tuner

IC/MCU

Replace main

board

End

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Summary of Contents for TH-43DX400L

Page 1: ...11 LED Television Model No TH 43DX400L TH 49DX400L...

Page 2: ...RSONNEL The lighting flash with arrowhead symbol with an equilateral triangle is intended to Alert the user to the presence of uninsulated dangerous Voltage within the products Enclosure that may be o...

Page 3: ...onnel Never push objects of any kind into this television set through cabinet slots as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock Never sp...

Page 4: ...grounding of the mast and supporting structure grounding of the lead in wire to an antenna discharge unit size of grounding conductors location of antenna discharge unit connection to grounding electr...

Page 5: ...ROPERLY 21 If you are unable to restore normal operation by followingthe detailedprocedurein your operatinginstructions do not attempt any further adjustment Unplug the set and call your dealer or ser...

Page 6: ...Movie Standard News User Smart Features Voice Interaction No Voice Guidance No EPG Yes On Screen Display Menu Languages 1 English Simpied Chinese Thai Indonesia Myanmar Burmes 3 Vietnamese 2 English...

Page 7: ...H x D w o stand Dimensions W x H x D with stand Package size W x H x D Net Weight With stand Gross Weight with stand Loading with pallet 20GP 40 GP 40 HQ Loading without pallet 20GP 40 GP 40 HQ VESA C...

Page 8: ...REPORT DVB T2 or DTT Energy Efficiency Report WIFI EWS Indonesia Local Parts purchased by PAVCKM PAVCV PAVCKM 43 PAVCV 43 No Yes Yes No REMOTE CONTROL BATTERY REMOTE CONTROL BATTERY AC CORD OI BOOK M...

Page 9: ...is as following 2 ADC ADJUST 2 1 Press button choose ADC ADJUST and press OK button to enter Before adjusting enter the channel you want to adjust and input adjust signal YPBPR channel 576P and 720P...

Page 10: ...10 100 color bar tessellated white and black Note 1 The YPBPR and PC s Auto White Balance adjust AUTO ADC must be done on the product line 2 In YPBPR channel must adjust the SD and HD two modes...

Page 11: ...nel which you want to adjust then select TEMPERATURE Medium Warm Cool Then press button to go to the items you want to adjust R GAIN G GAIN B GAIN R OFFSET G OFFSET B OFFSET Press buttons can adjust t...

Page 12: ...ion sharpness hue and so on press buttons to nonlinear adjustment Brightness Adjust the Brightness Curve Contrast Adjust the Contrast Curve Saturation Adjust the Saturation Curve Hue Adjust the Hue Cu...

Page 13: ...t Channels No adjust Factory channel preset No adjust Burn MAC Press OK button from U disk write MAC Burn HDCP KEY Press OK button from U disk write HDCP KEY Burn WIDI KEY Press OK button from U disk...

Page 14: ...factory reset AVD PAPAMETER No adjust WDT No adjust Mount Config No adjust Customer Info No adjust Unique Key Reencrypt No adjust PIP POP No adjust PVR Record All No adjust SECURE WRITE No adjust RAM...

Page 15: ...15 MSD6488 Software Upgrade Instruction Upgrade bin file The file name of the upgrade bin is MstarUpgrade bin for USB upgrade USB upgrade procedures for TV set...

Page 16: ...TV set 2 Select Software Update USB on OSD and press OK button to start software update TV will reboot automatically when upgrade finishes 3 If the process stop at 19 and TV reboot it means the softwa...

Page 17: ...17...

Page 18: ...atus Last is power on memorized Off is power on standby On is power on always RS232 Press button to switch RS232 on or off When RS232 switched to on TV system need to reboot and Uart BUS in factory me...

Page 19: ...19 Block Diagram System Block Diagram...

Page 20: ...eck point U0P3 12V_PWR TO 3 3V_STANDBY U0P6 12V to 1V U0P2 12V to 1 5V DDR UP06 12V to 1 05V U0L1 12V PANEL VCC switch U0P3 DEMO LDO 1 2V U0P7 12V_PWR TO 5V_Normal U1P3 U0A3 AMP VCC 12V 5V_Normal 3 3V...

Page 21: ...21 Circuit Block Diagram...

Page 22: ...22 Power Tree Schematics...

Page 23: ...e Bar light source for BL module VBL Voltage for Back Light before Boost VLED Voltage for LED after Boost OVP Over Voltage Protection OSD On Screen Display AMP Amplifier 1 No power No power LED RC or...

Page 24: ...t is OK sound is OK but no picture No Display LVDS cable OK YES Check TCON VCC TCON 12V OK YES Upgrade software NO Reconnect Replace LVDS cable NO Check TCON Fuse MOSFET Check other Replace MB panel R...

Page 25: ...ferent from No Display No backlight Measure the Voltage of VLED during power on OVP NO Always VBL not change OVP when disconnect backlight YES Short LB YES NO Jump to OVP and drop VBL quickly Open LB...

Page 26: ...peaker YES AMP I2C signal NO NG connections OK OK YES Check input signal and terminal NO Replace reconnect YES Defect on AMP unit Upgrade software speakers Change signal source and terminal Check IC I...

Page 27: ...onnection Upgrade software Signal source OK NO YES YES Check MCU Check signal source Signal source OK YES power crystal wave form NO Check terminal Check other settings Change repair power signal sign...

Page 28: ...y LVDS cable connection OK YES PANEL VCC OK YES Check LVDS wave resistance OK YES NO NO NO Reconnect repla ce LVDS cable Check other connections Check power flow Replace main board MCU NG Replace MCU...

Page 29: ...channels Tuner power Signal setting OK Upgraded software OK crystal I2C bus OK Change setting tune again Replace signal source Check TV settings Tune again Check replace power flow crystal units Repla...

Page 30: ...0MA WIFI 50mA T2TUNER 5VPOWER NETWORKINPUT RJ45 LANFILTER AUDIO I2S AUDIOAMP L_OUT LDO option TAS5707PHPR R_OUT C 100mA 3 3V_Tuner C 12V DC DC AOZ1236QI 01 1 20V_VDDC 4 32A ANT CABLE INPUT TUNER IF IR...

Page 31: ...27pF 1M R964 D735 BAV99 C805 23 9995167 24 0002333MHz 33P 27P 2 2uF NOTE 30PPM C1 C2 2 CL 5 R963 100K C804 1uF 1 B Q581 MMBT3906 R965 R966 1K 100K System RST C806 1nF System RST ONRESETTime 260mS C B...

Page 32: ...PGND PGND PGND C8P3 NC 2 2nF R7P7 NC 20 FB4 R7P9 470 IC R7P10 3 3K 1 R7P12 NC 1K 1 R7P11 NC 1K 1 R7P13 NC 1K 1 Q7P7 NC 2N7002K R7P15 G NC 4 7K GPIO_VID_1 1 20V_VDDC H Poweron L Poweroff PWR ON OFF R7P...

Page 33: ...rmal FB0A1 60 100MHz 3 3V_AMP R0A7 470 R0A5 470 C0A7 C0A6 4 7nF 22 1K C0A4 2 2nF C0A8 1uF R0A1 22 L0A1 22uH C0A1 470nF CE1A2 SPK_L R0A3 NC 10K SPK_L 1 2 3 4 CN0A1 CN_M L FOR 5711 24V_PW R 12V_PW R F0A...

Page 34: ...0nF C0M9 2 2uF 0 C C0M6 100nF eMMC U0M3 B EMMC_RST INF RST EMMC_CMD EMMC_CLK EMMC_DS C0M10 33pF EMMC_D4 EMMC_D7 EMMC_D7 EMMC_D5 EMMC_RST EMMC_CLK EMMC_CMD EMMC_D0 EMMC_D1 EMMC_D2 EMMC_D3 EMMC_D3 EMMC_...

Page 35: ...6 7 IFAGC_S IFAGC_T SSPI_DO MSPI_DI GND 31 30 MSPI_DI Demod_RST Demod_RST Demod_RST NC EN25F10 100GIP S2 demod NC 3 3V IP_T IM_T 8 9 IP_T IM_T RESETZ SSPI_CSZ MSPI_CLK 29 28 RESETn MSPI_CLK RESETn C0F...

Page 36: ...8 100nF Y3 22pF 1 B Q0T2 MMBT3906 1 8V_TU 3 3V_TU C3 R0T16 NC 10K 1 Q0T10 NC MMBT3906 2157CANCANCLE C3T9 1nF C3T10 68pF C3T11 C3T14 2 2uF C3T16 1nF C3T12 1nF C3T13 1nF R0T17 NC 10K R0T18 NC 22K 5V_DET...

Page 37: ...K 1 Q586 KMBT3904 PWM TOUT R21 1K PWM TIN BRI_ADJ PWM TOUT PWM TIN BRI_ADJ 1 2 3 4 5 6 7 3D_FLAG 3D_LR_in 3D_EN I2C SDA I2C SCL 3D_FLAG 3D_LR_in 3D_EN I2C SDA I2C SCL CN4 1 2 3 4 TP TP 3D_GLASSES_PWM...

Page 38: ...18 19 HDM I4_RX2P HDM I4_RX2N HDM I4_RX1P HDM I4_RX1N HDM I4_RX0P HDM I4_RX0N HDM I4_CLKP HDM I4_CLKN CEC HD M I 4 DDC S C L HD M I 4 DDC S DA HDM I4 HPD HD M ID 5V H DM I4_RX2P H DM I4_RX2N H DM I4_...

Page 39: ...C 100 LD_EN D_fomat3 LR_SYNC R0L32 NC 100 AGP VBYHTPDn VBYLOCKn R0L67 NC 0 PWM TIN PWM TOUT R0L69 D_Fomat0 VBY1N PWM TOUT NC 10K VBY2N VBY2P VBY3N VBY3P VBY4N VBY4P VBY5N VBY5P Note1 Pin8 panel CMI LG...

Page 40: ...3 C I _ A 3 A K 2 0 P C M A D R 4 C I _ A 4 T S 0 D A T A _ 0 P C M A D R 5 C I _ A 5 T S 0 D A T A _ 1 P C M A D R 6 C I _ A 6 T S 0 D A T A _ 2 P C M A D R 7 C I _ A 7 T S 0 D A T A _ 3 AG22PCMADR...

Page 41: ...N D AD 7 N AN D _AD 7 EMM C _IO5 TGPIO 1 D emod_RST AL4 N C 4 7K VIDEO BL OCK R IN0AE2 M 1 VGA_R IN 33 C 90447nF PHY G IN0N AD 3 L2 R 1021 G IN0AD 2 L3 VGA_G IN 33 C 90247nF AE4 K3 VGA_VSYN C VGA_H SY...

Page 42: ...3 DQ19 C DDR3 DQ17 C DDR3 DQ20 C DDR3 DQ22 C DDR3 DQ18 C DDR3 DQ16 C DDR3 DM3 C DDR3 DQ27 C DDR3 DQ31 C DDR3 DQ29 C DDR3 DQS2B C DDR3 DQS2 C DDR3 DQ23 C DDR3 DQ21 RP6 56 X 4 RP8 82 RP10 82 RP12 82 RP1...

Page 43: ...from design model and may not 100 percent match the final end products but the operating process is the same Make sure the wiring will remain the same as you open the TV set wrong wiring may cause saf...

Page 44: ...n is requested during repair process And TV should place on an ESD cloth pad in case of scratch and crack during repair work Use Rosh solder paste if you want to repair components 1 remove stand The l...

Page 45: ...connection in red block and remove screws in red circle Take out the PCB 4 remove IR Key PCB Tear up the downside back cabinet and you can find IR and key pad on the cover There is no screw on the IR...

Page 46: ...45 No Function No 1 2 3 4 5 Function Backlight wire Key pad IR board receiver Main board Source board part of the panel Speaker unit...

Page 47: ...all is strong enough to hold the TV Before assemble the VESA make sure the wall is strong enough for TV Some wall is empty inner for cost down in house fitment if in this condition you can only put TV...

Page 48: ...wooden stick between VESA and wall to spread the force to the wood stick touching surface to make safe Make marks with knife or mark pen on the wall mount at least 6 expansion screws to hold the VESA...

Page 49: ...48...

Page 50: ...E390000 51 X INLAY BTM AV DG001 6M20T FOOLPROOF 27 1213 UE390000 60 X INLAY SIDE AV 28 1320 L1501005 01 X EVA CUSHION 150 10 0 5MM 29 1320 L2001010 01 X ADHESIVED TAPE CUSHION 200 10 1MM 30 1539 QE200...

Page 51: ...B30 21 X BTM AV BKT HIPS 94 V0 DG001 HB200B30 PA 23 1005 HB200S30 21 X SIDE AV BKT HIPS 94 V0 DG001 HB200S30 P 24 1007 QE20A000 21 X F LENS PC TRANSPARENT TEA543 QE20A000 PA 25 1011 TT200000 21 X WIFI...

Page 52: ...150MM 3 5MM PLU 47 5900 E20100 0010 X AUDIO VIDEO SIGNAL CABLE 200MM 3 5MM PLU 48 5900 F57130 5100 X FFC 51 PINS P 0 5MM L 575MM 90 120 140 1 49 6M20T 01H49E560 S6 X 6M20T 49E560 HI MAIN BOARD ASEMBLE...

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