Panasonic TH-42a410t, Service Manual

Page 1: ... 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 Power LED Bl...

Page 2: ...f A board 19 8 2 Voltage chart of P board 19 9 Block Diagram 20 9 1 Main Block Diagram 20 10 Wiring Connection Diagram 21 10 1 Wire Dressing 1 21 10 2 Wire Dressing 2 22 11 Schematic Diagram 23 12 Printed Circuit Board 41 13 Exploded View and Replacement Parts List 48 ...

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 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 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: ... Hint Board Name Main Device Remarks A BOARD TUN EEP SPI MTK IC Repairable P BOARD Power Supply Power switch Keyscan Repairable K BOARD Remote LED Luminence Sensor Repairable GK BOARD Power Switch Keyscan Repairable LD BOARD LED driver Repairable ...

Page 7: ... 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 13 NTSC 3 58 6 5 MHz 14 SECAM I 15 PAL 60 Hz 5 5 MHz P...

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: ...eaker Fixing and Assembly 1 Fix speaker bracket at panel and screw 2 Stick sponge at speaker and slot at speaker bracket NO QTY UOM DESCRIPTION REMARK 01 2 PC SPEAKER UNIT 02 4 PC SCREW A3 P5 VESA4 MTL4 LBRD4 SP4 06 1 Kgf cm 03 4 PC SP BRACKET 04 4 PC SP SPONGE ...

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 42A410T 15 7 3 Metal MTG Fixing Fix metal and bottom panel into panel and screw NO QTY UOM DESCRIPTION REMARK 01 4 PC VESA METAL 02 2 PC BOTTOM METAL 03 7 PC SCREW BC3 VESA4 06 1 Kgf cm ...

Page 16: ...TH 42A410T 16 7 4 Key Button Assembly NO PART NO QTY UOM DESCRIPTION 01 TBX5ZA03301 1 PC KEY BUTTON BRACKET 02 TZLP42410KA 1 PC LCM ASSY ...

Page 17: ...efore stick rubber foot NO QTY UOM DESCRIPTION REMARK 01 1 PC NECK BASE L 02 1 PC NECK BASE R 03 1 PC METAL FRAME 04 1 PC BASE COVER 05 6 PC RUBBER FOOT 06 1 PC RUBBER FOOT 07 1 PC BAG PEDESTAL 08 4 PC M4 12 FLAT HEADSCREW 18 2 Kgf cm 09 4 PC M4 10_FLAT_HEAD_SCREW BLACK 08 2 Kgf cm ...

Page 18: ...x back cover and screw 2 Stick side button label and serial number label NO PART NO QTY UOM DESCRIPTION REMARK 01 TBM4GU3151 1 PC SIDE_BUTTON_LABEL 02 THEC1509 7 PC SCREW BC3 VESA4 06 1 Kgf cm 03 THTD037J 17 PC SCREW BC9 AV3 CRTL1 SP4 06 1 Kgf cm ...

Page 19: ...ark SUB1 2V TP8004 1 14 1 26 SUB3 3V TP8003 3 19 3 46 SUB5V TP8002 4 92 5 25 STB5V TP8009 5 3 0 3 PNL12V TP4300 11 5 12 5 Output Test Point Specification Step 1 Step 2 24V TP7407 1V 32 1 6V 16V TP7410 1V 15 7 0 8V 5VS TP7501 5 2 0 2V 5 2 0 2V PFC TP7201 or TP7202 340V 390V 15V Step 1 Supply AC 100V 230 to JK7101 connector in the P Board Main power button is OFF Step 2 TV_SUB_ON P2 connector pin 8 ...

Page 20: ...High side switch USB side JK8601 Audio AMP I2S AMP RMT KEY LED 32 10W x 2 39 㨪 10W x 2 LVDS HD DATA 4pairs CLK 1pair single8bit FHD DATA 4pairs CLK 1pair dual8bit Op Amp IIC HK S A US MEX On board Si2157 YAMAHA same as MT5307project VIDEO AUDIO AV2 side JK3002 Prep Audio out JK3000 Prep AV1 JK3100 HDMI analog audio in HDMI1 JK4701 HDMI2 JK4702 CEC 32 10W x 2 39 㨪 10W x 2 Opt D3051 Demod T2 ISDB DT...

Page 21: ...TH 42A410T 21 10 Wiring Connection Diagram 10 1 Wire Dressing 1 ...

Page 22: ...TH 42A410T 22 10 2 Wire Dressing 2 Stick pet tape for wire dressing NO PART NO QTY UOM DESCRIPTION REMARK 01 T4FP1005J 0 53 MT PET_TAPE 0 06 6 60 mm 6 pcs ...

Page 23: ...TH 42A410T 23 11 Schematic Diagram Model No TH 42A410T A Board 1 14 ...

Page 24: ...Model No TH 42A410T A Board 2 14 ...

Page 25: ...Model No TH 42A410T A Board 3 14 ...

Page 26: ...Model No TH 42A410T A Board 4 14 ...

Page 27: ...Model No TH 42A410T A Board 5 14 ...

Page 28: ...Model No TH 42A410T A Board 6 14 ...

Page 29: ...Model No TH 42A410T A Board 7 14 ...

Page 30: ...Model No TH 42A410T A Board 8 14 ...

Page 31: ...Model No TH 42A410T A Board 9 14 ...

Page 32: ...Model No TH 42A410T A Board 10 14 ...

Page 33: ...Model No TH 42A410T A Board 11 14 ...

Page 34: ...Model No TH 42A410T A Board 12 14 ...

Page 35: ...Model No TH 42A410T A Board 13 14 ...

Page 36: ...Model No TH 42A410T A Board 14 14 ...

Page 37: ...Model No TH 42A410T GK Board ...

Page 38: ...Model No TH 42A410T K Board ...

Page 39: ...Model No TH 42A410T LD Board ...

Page 40: ...Model No TH 42A410T P Board ...

Page 41: ...41 12 Printed Circuit Board Model No TH 42A410T A Board Top Component Side TH 42A410T ...

Page 42: ...Model No TH 42A410T A Board Bottom Component Side ...

Page 43: ...Model No TH 42A410T GK Board ...

Page 44: ...Model No TH 42A410T K Board ...

Page 45: ...Model No TH 42A410T LD Board ...

Page 46: ...Model No TH 42A410T P Board Top Component Side ...

Page 47: ...Model No TH 42A410T P Board Bottom Component Side ...

Page 48: ...48 13 Exploded View and Replacement Parts List TH 42A410T Model No TH 42A410T Parts Location ...

Page 49: ...Model No TH 42A410T Packing Exploded View 1 ...

Page 50: ...Model No TH 42A410T Packing Exploded View 2 ...

Page 51: ... F1G1H100A948 C 10PF 50V C3169 F1J1A106A043 C 10UF 10V C3170 F1J1A106A043 C 10UF 10V C3173 F1G1H152A946 C 1500PF 50V C3174 F1G1A473A069 C0 047UF 10V C4010 F1H1H103B047 C 0 01UF 50V C4011 F1H1H103B047 C 0 01UF 50V C4012 F1J1C475A225 C 4 7UF 10V C4300 F1K1V106A010 C 10UF 25V C4302 F1G1C104A146 C 0 1UF 16V C4303 F1G1C223A146 C 0 022UF 16V C4305 F1G1E332A144 C 3300PF 25V C4306 F1K1V106A010 C 10UF 25V ...

Page 52: ...0 1UF 16V C6775 F1G1C104A146 C 0 1UF 16V C6777 F1G0J105A049 C 0 1UF 16V C6781 F1G1H331A830 C 330PF 50V C6782 F1G1H121A834 C 120PF 50V C6783 F1G1H121A834 C 120PF 50V C6788 F1G1H101A948 C 100PF 50V C6789 F1G1H181A834 C 180PF 50V C6790 F1G1H181A834 C 180PF 50V C6791 F1G1H102A834 C 1000PF 50V C6793 F1G1H102A834 C 1000PF 50V C6795 F1G1C104A146 C 0 1UF 16V C6797 F1G1H102A946 C 1000PF 50V C6798 F1G1H102A...

Page 53: ...F1J1H103A900 C 0 01UF 50V C7802 F1J1H103A900 C 0 01UF 50V C7803 F1J1E224A272 C 0 22UF 25V C7804 F1J1H103A900 C 0 01UF 50V C7805 F1J1H103A900 C 0 01UF 50V C7806 F1J1E105A287 C 1UF 25V C7807 F1J1E224A272 C 0 22UF 25V C7809 F1J1E105A287 C 1UF 25V C7810 F1J1E224A272 C 0 22UF 25V C7812 F1A3A221A060 C 220PF 1KV C7813 F2A2C470A222 C 47UF 160V C7814 F2AZZ4710003 C 470UF 240V C7816 F1A3A221A060 C 220PF 1KV...

Page 54: ...62 F1G1C104A146 C 0 1UF 16V C8163 F1G1C103A173 C 0 01UF 16V C8164 F1J1A106A043 C 10UF 10V C8165 F1G1C104A146 C 0 1UF 16V C8166 F1G1C104A146 C 0 1UF 16V C8167 F1G1C104A146 C 0 1UF 16V C8168 F1H1C105A167 C 1UF 10V C8169 F1G1C104A146 C 0 1UF 16V C8170 F1G1C104A146 C 0 1UF 16V C8171 F1G1C104A146 C 0 1UF 16V C8172 F1G1A105A047 C 1UF 10V C8173 F1G1C104A146 C 0 1UF 16V C8174 F1H0J4750004 C 4 7UF 16V C817...

Page 55: ...215 B0HAPR000013 DIODE D7221 B0ACCD000008 DIODE D7301 DZ2J039M0L DIODE D7302 B0HAGQ000001 DIODE D7303 DZ2J039M0L DIODE D7304 B0HAGQ000001 DIODE D7305 B0ADCK000001 DIODE D7306 B0BC027A0336 DIODE D7307 B0BC027A0336 DIODE D7308 B0BC027A0336 DIODE D7309 B0JCMG000043 DIODE D7310 B0JCMG000043 DIODE D7311 B0BC027A0336 DIODE D7401 B0JBSL000046 DIODE D7402 B0JBSL000046 DIODE D7404 DA2J10100L DIODE D7405 DA...

Page 56: ...AD CORE L6706 J0JYC0000464 BEAD CORE L6761 J0JYC0000464 BEAD CORE L6762 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 L7201 EXCELDR35V CORE L7207 J0JYC0000344 COIL L7303 EXCELDR35V CORE L7502 G0C270MA0049 INDUCTOR L7801 J0JHC000007...

Page 57: ... D0GA272JA023 M 2 7KOHM J 1 16W R0908 D0GAR00J0005 M 0 OHM 1 16W R0909 D0GAR00J0005 M 0 OHM 1 16W R0910 D0GAR00J0005 M 0 OHM 1 16W R0911 D0GAR00J0005 M 0 OHM 1 16W R0916 D0GAR00J0005 M 0 OHM 1 16W R0917 D0GAR00J0005 M 0 OHM 1 16W R0924 D0GA272JA023 M 2 7KOHM J 1 16W R0925 D0GA272JA023 M 2 7KOHM J 1 16W R0926 D0GA473JA039 M 47KOHM J 1 16W R0927 D0GA680JA023 M 68 OHM J 1 16W R0928 D0GA680JA023 M 68 ...

Page 58: ...73JA023 M 47KOHM J 1 16W R3205 D0GA101JA039 M 100OHM J 1 16W R3243 D0GA220JA023 M22 OHM J 1 16 W R4048 D0GA912JA023 M 9 1 KOHM J 1 16W R4050 D1H8R0040016 M 0 OHM 1 16W R4051 D1H8R0040016 M 0 OHM 1 16W R4052 D1H8R0040016 M 0 OHM 1 16W R4053 D1H8R0040016 M 0 OHM 1 16W R4054 D1H8R0040016 M 0 OHM 1 16W R4059 D0GA101JA039 M 100OHM J 1 16W R4097 D0GA680JA023 M 68 OHM J 1 16W R4098 D0GA680JA023 M 68 OHM ...

Page 59: ...M J 1 16W R5093 D0GA472JA023 M 4 7KOHM J 1 16W R5095 D0GA473JA039 M 47KOHM J 1 16W R5096 D0GA473JA039 M 47KOHM J 1 16W R5097 D0GA103JA039 M 10KOHM F 1 16W R5098 D0GA473JA039 M 47KOHM J 1 16W R5099 D0GA472JA023 M 4 7KOHM J 1 16W R5170 D0GA103JA039 M 10KOHM F 1 16W R5171 D0GA332JA023 M 3 3KOHM J 1 16W R5173 D0GA104JA039 M 100KOHM J 1 8W R5175 D0GA473JA039 M 47KOHM J 1 16W R5176 D0GA473JA039 M 47KOHM...

Page 60: ... 2 2MOHM J 1 16W R7242 D0GF225JA048 M 2 2MOHM J 1 16W R7243 D0GF225JA048 M 2 2MOHM J 1 16W R7244 D0GD124JA052 M 120KOHM J 1 8W R7302 D0GD101JA059 M 100 OHM J 1 4W R7303 D0GD101JA059 M 100 OHM J 1 4W R7304 D0AF2R2JA112 C 2 2 OHM J 1 2W R7305 D0AF121JA112 M 120OHM J 2W R7306 D0GD222JA052 M 2 2KOHM J 1 8W R7307 D0GD562JA052 M 5 6 KOHM J 1 8W R7308 D0GD222JA052 M 2 2KOHM J 1 8W R7311 D0B1106JA033 M 10...

Page 61: ... M 39 KOHM J 1 8W R7816 D1BD1503A066 M 150KOHM F 1 8W R7817 D0GD104JA052 M 100KOHM J 1 8W R7818 D0GD152ZA034 M 15K OHM J 1 16W R7820 D0GD470JA059 M 47 OHM J 1 4W R7821 D0GD101JA052 M 100 OHM J 1 8W R7823 D0GD152JA052 M 1 5KOHM J 1 8W R7824 D1BD4R70A179 M 4 7KOHM J 1 8W R7825 D1BD4R70A179 M 4 7KOHM J 1 8W R7826 D1BD4R70A179 M 4 7KOHM J 1 8W R7827 D0GD104JA052 M 100KOHM J 1 8W R7828 D0GD104JA052 M 1...

Page 62: ... F 1 16W R8100 D1BA5601A023 M 5 6KOHM F 1 16W R8101 D0GA510JA023 M 51 OHM J 1 16W R8102 D0GA510JA023 M 51 OHM J 1 16W R8103 D1BA3002A023 M 30KOHM F 1 16 W R8104 D1BA2400A023 M 240 OHM F 1 16 W R8105 D1BA1302A023 M 13KOHM F 1 16W R8106 D1BA1502A023 M 15K OHM J 1 16W R8107 D1BA4702A023 M 47 KOHM F 1 16 W R8113 D1BA4701A023 M 4 7KOHM F 1 16 W R8114 D1BA2002A023 M 200KOHM F 1 16W R8115 D1BA1802A023 M ...

Page 63: ...DR00J0004 CHIP RESISTOR JA5 D0GDR00J0004 CHIP RESISTOR JK3101 K1U511D00002 AV TERMINAL JK4700 K1FY119D0029 TERMINAL JK4701 K1FY119D0029 TERMINAL JK6752 K1ZZ00001557 AV TERMINAL JK7101 K2AAYB000010 AC INLET JK8450 K1FY104B0092 TERMINAL JS0048 D0GAR00J0005 CHIP RESISTOR JS0059 D0GAR00J0005 CHIP RESISTOR JS7406 D0GFR00J0005 CHIP RESISTOR JS7501 D0GDR00J0004 CHIP RESISTOR K10 K1KY07BA0483 CONNECTOR LD...

Page 64: ...Change Safety Ref No Part No Part Name Description Q ty Remarks ZA7102 K4AD01A00004 RUG TERMINAL ZA7105 K4AD01A00004 RUG TERMINAL ZA7801 K4AD01A00004 RUG TERMINAL Model No TH 42A410T Parts List ...

Page 65: ...KET THE5ZL002N SCREW 6 TKK5ZC50501A LED PANEL 7 TKP5ZA32202 SIDE AV BRACKET 8 TPD4GA05051 TOP CUSHION 9 TPD4GA05061 BOTTOM CUSHION 10 TPD4GA05131 FRONT CUSHION TPE4GH073 SET COVER 11 TQZ4GB790 FAN BAG ASSY TSCKF0690001 LVDS CABLE 12 TTU4GA1215 BACK COVER ASSY 13 TXFPC01SNUT PACKING CASE ASSY XSS5 15FNK SCREW Electrical Replacement Part List RTL TXN K1UTUH K PRINT ASSY RTL TXN P1UKUG P PRINT RTL TX...