Panasonic TH-40A400X Page 24 Service Manual Download

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TH-40A400X

9 Block Diagram

9.1.

Main Block Diagram

IC8001

RTD2644-GR

( Realtek )

IC5602

USB 5V Mosfet

USB0VBUS,

USB0DP, USB0DN

27 M

SPI Flash

64 Mbit

SPI_CK, SPI_DIN,
SPI_DOUT

V/YUV(share), Audio L/R in

RM/KEY

LED

EEPROM

64 kb

HPD

PANEL

BL_ON/

PWM

CIRCUIT

(AV2

䋺

Side AV)

(AV1:Rear AV)

Panel_PWM

IC4900

Audio Amp

(TI TAS5707)

I2S_MCLK
I2S_SDIN
I2S_BCLK
I2S_LRCLK

P15V

LED Driver

LVDS:

HD 4 pair data + 1 pair CLK

Single 8 bit

FHD 4 pair data + 1 pair CLK

Dual 8 bit

PNL12V

HDMI1

HDMI2

Audio Line OUT

Si2157

IFN / IFP

P_IF_AGC

BL_S

USB0OD,

2-Layer

(Audio out - RCA)

Audio output Power
24” : 3W+3W (Except for India)
5W+5W (India)

Over 39” : 10W+10W (Except for India)
12W+12W (India)

V, Audio L/R in

(*&

Summary of Contents for TH-40A400X

Page 1: ...rvice Mode 8 5 1 1 Purpose 8 5 1 2 Key command 8 5 1 3 How to exit 8 5 1 4 Contents of adjustment mode 8 5 1 5 Display of SOS History 9 5 1 6 Exit 9 5 1 7 Hotel Mode 9 6 Troubleshooting Guide 10 6 1 Check of the IIC bus lines 10 6 1 1 How to access 10 6 1 2 Self check indication only 10 6 1 3 Self check indication and forced to factory shipment setting 10 6 1 4 Exit 10 6 1 5 Screen display 10 6 2 ...

Page 2: ... 9 B Cover 21 7 10 B Cover Pedestal 22 8 Measurements and Adjustments 23 8 1 Voltage chart of A board 23 8 2 Voltage chart of P board 23 9 Block Diagram 24 9 1 Main Block Diagram 24 10 Schematic Diagram 25 11 Printed Circuit Board 39 12 Exploded View and Replacement Parts List 44 ...

Page 3: ... 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 the AC cord directly in...

Page 4: ...posure 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 re...

Page 5: ...actured 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 C If you must use Pb ...

Page 6: ... Navigation 3 1 Service Hint Board Name Main Device Remarks A BOARD TUN EEP SPI Flash Realteck Soc Repairable P BOARD Power Supply LED Driver IC Keyscan LED Driver IC Repairable K BOARD Remote LED Luminance Sensor Repairable ...

Page 7: ...ms Sound Audio output 20 W 10 W 10 W Receiving systems Band name 17 SYSTEMS FUNCTION 1 PAL B G H Reception of broadcast transmissions and Playback from Video Cassette Tape Recorders 2 PAL I 3 PAL D K 4 SECAM B G 5 SECAM D K 6 SECAM K1 7 NTSC M NTSC 3 58 4 5 MHz 8 NTSC 4 43 5 5 MHz Playback from Special VCR s or DVD 9 NTSC 4 43 6 0 MHz 10 NTSC 4 43 6 5 MHz 11 NTSC 3 58 5 5 MHz 12 NTSC 3 58 6 0 MHz ...

Page 8: ...alue of sub items change in forward direction in reverse direction 5 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 5 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 M...

Page 9: ... 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 last memory Maximum Vol Level Adjust maximum volume Range 0 to 100 Button Lock Select local key conditions Selection Off SETUP MENU ALL OFF altogether valid SETUP only F key is invalid Tuning guide menu can not be selected MENU only F key is invalid...

Page 10: ...ly Produce TV reception screen and while pressing VOLUME button on the main unit press OK button on the remote control for more than 3 seconds 6 1 3 Self check indication and forced to 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 6 1 4 Exit Disconnect the AC cord from wall outl...

Page 11: ... can be identified by the number of blinking times of the Power LED on the front panel of the unit as follow 6 3 Method of detecting SOS 1 BL_SOS Detection beginning after one second pass from BL_ON ON 2 TV_SOS Detection beginning after one second pass from AMP_SHUTDOWN ON 3 SOUND_SOS Detection beginning AMP_SHUTDOWN ON Priority Name Factor R_LED Blink 1 BL_SOS SOS from PANEL inverter 1 2 TV_SOS T...

Page 12: ... 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 test pattern is created by the circuit in LCD Panel In LCD Panel test mode this test pattern is displayed unaffected by signal processing for RF or input signal If the normal picture is displayed LC...

Page 13: ...TH 40A400X 13 7 Disassembly and Assembly Instructions 7 1 SP Assembly 1 Fixing SP bracket to metal chassis frame 2 Insert SP unit to SP bracket 3 Tight screw to SP bracket ...

Page 14: ...s may cause scratches on the surface 3 Take care not to subject the TV s surface to water or detergent Any liquid including pets urine if enters the product could lead to TV failure 4 Take care not to subject the surface to insect repellent solvent thiner or other voiltile substances This may degrade surface quality or cause peeling of the paint 5 The surface of the display panel is specially trea...

Page 15: ...TH 40A400X 15 7 3 LED Panel Assy Install Btm Assy No Description Qty UOM 001 FELT 0 9 25 10 4 PC 002 LED_PANEL_CASE 1 PC 003 LED PANEL 1 PC 004 FELT 0 55 10 10 2 PC 005 SPONGE T3 0 40 10 1 PC ...

Page 16: ...ease follow the sequence for assembly each part of metal No Description Qty UOM 001 BOTTOM_METAL 2 PC 002 METAL_CH_FRAME_BTM A 1 PC 003 METAL_CH_FRAME_SIDE A 1 PC 004 METAL_CH_FRAME_TOP A 1 PC 005 METAL_CH_FRAME_BTM P 1 PC 006 LCD PANEL 1 PC ...

Page 17: ...ixing Metal Bracket to panel on L R side 2 Stick Felt at Metal Chassis Frame 3 Stick P print barier on metal chassis frame No Description Qty UOM 001 KEY_BUTTON_BRACKET 1 PC 002 A_PCB_BRACKET 2 PC 003 GROUND_SPRING 2 PC 004 SIDE_AV_BRACKET 4 PC ...

Page 18: ...TH 40A400X 18 7 6 Chassis Frame Fix screw follow the sequence procedure right p no No Description Qty UOM Remarks 001 SCREW METAL10 10 PC 5 7 Kgfcm 002 SCREW BTM_METAL2 2 PC 5 7 Kgfcm ...

Page 19: ...rint Board 1 Insert P Print and A Print board at panel 2 Fixing all screw at board and bracket No Description Qty UOM Remarks 001 SCREW A2 P6 BTM_COVER4 12 PC 5 7 Kgfcm 002 CLAMPER 4 PC 003 SPEAKER_UNIT 2 PC 004 SPONGE T8 22 5 4 PC ...

Page 20: ...TH 40A400X 20 7 8 Installation Back Cover Assy 1 Attach back cover assy follow picture below 2 Click slots on back cover into the hooks on cabinet 3 Make sure follow all caution points ...

Page 21: ...A400X 21 7 9 B Cover 1 Install Vesa Metal 2 Fixing screw follow torque spec No Description Qty UOM Remarks 001 VESA_METAL_BC 12 PC 002 BACK_COVER 1 PC 003 SCREW 10 PC 5 7 Kgfcm 004 SCREW BC16 16 PC 5 7 Kgfcm ...

Page 22: ...00X 22 7 10 B Cover Pedestal No DESCRIPTION Qty UOM Remarks 001 STAND MOULD 1 PC 002 BASE COVER 1 PC 003 SCREW 2 PC 4 8Kgfcm 004 RUBBER FOOT 5 PC 005 BAG FOR PEDESTAL 1 PC 006 SCREW BC11 11 PC Refer spec table ...

Page 23: ... 1 90 VCCK1 1V TP8700 1 14 1 28 SUB3 3V TP8711 3 19 3 46 SUB5V TP8702 4 9 5 2 PNL12V TP8300 11 5 12 5 DDR1 8V TP8707 1 75 1 85V STB3 3V TP8708 3 2V 3 40V TNR3 3V TP6701 3 2V 3 4V Voltage Test Point Specification Operate STBY 5 3V TP7507 5 2 0 2V 5 2 0 2V 16V TP7508 15 8 0 5V 24V TP7511 24 0 2 4V NOTE GND REFERENCE TP7520 TP7521 TP7522 COLD SIDE Step 1 Supply AC 100V 230 to JK7101 connector in the ...

Page 24: ...NEL BL_ON PWM CIRCUIT AV2䋺Side AV AV1 Rear AV Panel_PWM IC4900 Audio Amp TI TAS5707 I2S_MCLK I2S_SDIN I2S_BCLK I2S_LRCLK P15V LED Driver LVDS HD 4 pair data 1 pair CLK Single 8 bit FHD 4 pair data 1 pair CLK Dual 8 bit PNL12V HDMI1 HDMI2 Audio Line OUT Si2157 IFN IFP P_IF_AGC BL_SOS USB0OD 2 Layer Audio out RCA Audio output Power 24 3W 3W Except for India 5W 5W India Over 39 10W 10W Except for Ind...

Page 25: ...TH 40A400X 25 10 Schematic Diagram Model No TH 40A400X A Board 1 12 ...

Page 26: ...Model No TH 40A400X A Board 2 12 ...

Page 27: ...Model No TH 40A400X A Board 3 12 ...

Page 28: ...Model No TH 40A400X A Board 4 12 ...

Page 29: ...Model No TH 40A400X A Board 5 12 ...

Page 30: ...Model No TH 40A400X A Board 6 12 ...

Page 31: ...Model No TH 40A400X A Board 7 12 ...

Page 32: ...Model No TH 40A400X A Board 8 12 ...

Page 33: ...Model No TH 40A400X A Board 9 12 ...

Page 34: ...Model No TH 40A400X A Board 10 12 ...

Page 35: ...Model No TH 40A400X A Board 11 12 ...

Page 36: ...Model No TH 40A400X A Board 12 12 ...

Page 37: ...Model No TH 40A400X K Board ...

Page 38: ...Model No TH 40A400X P Board ...

Page 39: ...39 11 Printed Circuit Board Model No TH 40A400X A Board Top Component Side TH 40A400X ...

Page 40: ...Model No TH 40A400X A Board Bottom Component Side ...

Page 41: ...Model No TH 40A400X K Board ...

Page 42: ...Model No TH 40A400X P Board Top Component Side ...

Page 43: ...Model No TH 40A400X P Board Bottom Component Side ...

Page 44: ...TH 40A400X 44 12 Exploded View and Replacement Parts List Model No TH 40A400X Parts Location ...

Page 45: ...Model No TH 40A400X Packing Exploded View 1 ...

Page 46: ...Model No TH 40A400X Packing Exploded View 2 ...

Page 47: ...47UF 10V C3173 F1G1H5R0A947 C 1500PF 50V C3174 F1G1A473A069 C0 047UF 10V C3175 F1G1H5R0A947 C 1500PF 50V C3176 F1G1A473A069 C0 047UF 10V C3177 F1G1H5R0A947 C 1500PF 50V C4003 F1H1H103B047 C 0 01UF 50V C4004 F1H1H103B047 C 0 01UF 50V C4008 F1J1C475A225 C 4 7UF 10V C4900 F1K1V106A010 C 10UF 25V C4905 F1G1E103A172 C 0 01UF 50V C4906 F1K1V106A010 C 10UF 25V C4907 F1H1H104B047 C 0 1UF 50V C4908 F1H1H10...

Page 48: ...7 C 1UF 6 3V C6768 F1G1H102A946 C 1000PF 50V C6769 F1G1E103A172 C 0 01UF 50V C6770 F1G1E103A172 C 0 01UF 50V C6773 F1G1H102A946 C 1000PF 50V C6774 F1G1C104A184 C 0 1UF 16V C6776 F1G1A105A080 C 1UF 10V C6777 F1G1A105A080 C 1UF 10V C6781 F1G1H471A834 C 470PF 50V C6782 F1G1H471A834 C 470PF 50V C6783 F1G1H101A948 C 1000PF 50V C6784 F1G1H200A557 C 20PF 50V C6785 F1G1H200A557 C 20PF 50V C6789 F1G1H181A8...

Page 49: ...7803 F1J1E105A287 C 1UF 25V C7804 F2A1J1210012 C 120UF 63V C7805 F1J1H103A900 C 0 01UF 50V C7806 F1J1H104A902 C 0 1UF 50V C7807 F1J2E1030004 C 0 1PF J 250V C7809 F1J1H102A909 C 1000pF 50V C7810 F1J1H102A909 C 1000pF 50V C7811 F1J1H101A906 C 100PF 50V C7812 F1J1H101A906 C 100PF 50V C7813 F2A1J1210012 C 120UF 63V C7814 F1J1H101A906 C 100PF 50V C7815 F1J1H101A906 C 100PF 50V C8012 F1J1A106A043 C 10UF...

Page 50: ...G1A105A080 C 1UF 10V C8146 F1G1C104A146 C 0 1UF 16V C8151 F1J0G2260001 C 22 UF 4 V C8213 F1G1C104A146 C 0 1UF 16V C8214 F1H1C225A065 C 2 2UF 16V C8215 F1H1C225A065 C 2 2UF 16V C8300 F1K1V106A010 C 10UF 25V C8302 F1G1C104A184 C 0 1UF 16V C8303 F1G1C103A173 C 0 01UF 16V C8304 F1G1H222A946 C 2200PF 50V C8305 F1G1E332A172 C 3300PF 25V C8310 F1K1V106A010 C 10UF 25V C8311 F1K1V106A010 C 10UF 25V C8312 F...

Page 51: ...0337 DIODE D5001 B0JCED000012 DIODE D5172 DZ2J220M0L DIODE D5174 DZ2J068M0L DIODE D5175 B0ADCK000001 DIODE D5181 B0ADCK000001 DIODE D5182 DZ2J068M0L DIODE D5183 B0ADCK000001 DIODE D5184 DZ2J068M0L DIODE D6750 J0ZZB0000175 DIODE D6752 B0ZBZ0000226 DIODE D7101 D4EAY621A168 DIODE D7106 B0EBNT000030 DIODE D7108 B0HAGQ000001 DIODE D7307 DZ2J068M0L DIODE D7313 DB2J41100L DIODE D7317 DA2JF2300L DIODE D73...

Page 52: ...4 J0JYC0000464 BEAD CORE L6710 J0JYC0000464 BEAD CORE L6712 J0JYC0000464 BEAD CORE L6763 G1CR27JA0097 COIL L6765 G1C82NJ00010 COIL L6772 G1CR27JA0097 COIL L6773 G1CR27JA0097 COIL L6774 G1CR27JA0097 COIL L6776 G1CR27JA0097 COIL L6777 G1CR22JA0097 COIL L6778 G1CR22JA0097 COIL L6779 J0JYC0000464 BEAD CORE L6781 G1CR47JA0037 COIL L6782 G1CR47JA0037 COIL L7301 J0JYA0000035 BEAD CORE L7314 J0JYA0000035 ...

Page 53: ...00J0005 M 0 OHM 1 16W R0933 D0GAR00J0005 M 0 OHM 1 16W R0934 D0GA680JA023 M 68 OHM J 1 16W R0935 D0GA680JA023 M 68 OHM J 1 16W R0944 D0GA102JA039 M 1KOHM J 1 16W R0945 D0GA102JA039 M 1KOHM J 1 16W R0964 D0GA680JA023 M 68 OHM J 1 16W R0965 D0GA680JA023 M 68 OHM J 1 16W R0966 D0GAR00J0005 M 0 OHM 1 16W R0967 D0GAR00J0005 M 0 OHM 1 16W R0972 D0GA101JA039 M 1KOHM J 1 16W R0973 D0GA101JA039 M 1KOHM J 1...

Page 54: ...A221JA023 M220 OHM J 1 16 W R3111 D0GA221JA023 M220 OHM J 1 16 W R3113 D0GA473JA039 M 47KOHM J 1 16W R3114 D0GA101JA039 M 100OHM J 1 16W R3119 D0GA102JA039 M 1KOHM J 1 16W R3190 D0GA152JA023 M 1 5KOHM J 1 16W R3191 D0GA152JA023 M 1 5KOHM J 1 16W R3199 D0GA512JA023 M 5 1KOHM J 1 16W R3200 D0GA512JA023 M 5 1KOHM J 1 16W R3201 D0GA562JA023 M 5 6KOHM J 1 16W R3202 D0GA562JA023 M 5 6KOHM J 1 16W R3205 ...

Page 55: ...M 47KOHM J 1 16W R5182 D0GA473JA039 M 47KOHM J 1 16W R5183 D0GA473JA039 M 47KOHM J 1 16W R5185 D0GA473JA039 M 47KOHM J 1 16W R5187 D0GA103JA039 M 10KOHM F 1 16W R5607 D0GA103JA039 M 10KOHM F 1 16W R5609 D1H8R0040016 M 0 OHM 1 16W R5610 D1BA1822A023 M 18 2KOHM F 1 16 W R5611 D0GA103JA039 M 10KOHM F 1 16W R6721 D0GA102JA039 M 1KOHM J 1 16W R6723 D0GA101JA039 M 100OHM J 1 16W R6724 D0GA101JA039 M 100...

Page 56: ...0GD514JA052 M 510KOHM J 1 16W R7536 D0GD100JA052 M 10 OHM J 1 8W R7584 D0GDR00J0004 M 0 OHM 1 8W R7802 D0GD1R0JA052 M 1 OHM J 1 8W R7803 D0GD1R0JA052 M 1 OHM J 1 8W R7804 D0GD1R0JA052 M 1 OHM J 1 8W R7805 D0GD1R0JA052 M 1 OHM J 1 8W R7806 D0GD1R0JA052 M 1 OHM J 1 8W R7809 D0GD100JA052 M 10 OHM J 1 8W R7811 D0GD473JA052 M 47KOHM J 1 8W R7812 D0GD102JA052 M 1 0KOHM J 1 8W R7813 D0GD102JA052 M 1 0KOH...

Page 57: ...1BA1001A023 M 1 KOHM F 1 16 W R8208 D0GA103JA039 M 10KOHM F 1 16W R8240 D0GA103JA039 M 10KOHM F 1 16W R8301 D1BA4702A023 M 47 KOHM F 1 16 W R8302 D1BA3601A023 M 3 6KOHM F 1 16 W R8303 D1BA5102A023 M 51KOHM J 1 16W R8304 D0GA103JA039 M 10KOHM F 1 16W R8315 D0GA102JA039 M 1KOHM J 1 16W R8316 D0GA103JA039 M 10KOHM F 1 16W R8700 D1BA56R0A023 M 56 OHM F 1 16 W R8701 D1BA1200A023 M 120 OHM F 1 16 W R870...

Page 58: ...001 D0GAR00J0005 CHIP RESISTOR JS3002 D0GAR00J0005 CHIP RESISTOR JS8000 D0GBR00J0004 CHIP RESISTOR K10 K1KY07BA0483 CONNECTOR LF7103 G0B183GA0082 LINE FILTER LF7104 G0B183GA0082 LINE FILTER LF7105 G0B350GA0083 LINE FILTER P2 K1KY14BA0491 CONNECTOR P3 K1KY06BA0385 CONNECTOR PC7300 B3PAA0000674 PHOTO COUPLER PC7301 B3PAA0000674 PHOTO COUPLER RM2800 B3RBB0000018 PHOTO DETECTOR SN2800 B3JB00000219 PHO...

Page 59: ... 5 TKK5ZC50501A LED PANEL 6 TKP5ZA32202 SIDE AV BRACKET 7 TPD4GA05701 TOP CUSHION 8 TPD4GA05711 BOTTOM CUSHION 9 TPE4GH073 SET COVER 10 TQZ4GB875 FAN BAG ASSY TSCKF0170144 LVDS 11 TXFPC01AMVX PACKING CASE ASSY 12 TZBL4GX00231 PEDESTAL ASSY 13 TZTU4GA1365 BACK COVER ASSY XSS4 12FJK SCREW XSS5 16FJK STAND TO PEDESTAL SCREW XTS4 10GFJ SCREW Electrical Replacement Part List RTL TZT A1WZUG A PRINT ASSY...

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Panasonic TH-40A400X, Service Manual

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