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Model No. :  TH-42C400Z  A-Board (Bottom Component Side)

Summary of Contents for TH-42C400Z

Page 1: ... 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 Blin...

Page 2: ...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 Wiring Connection Diagram 25 10 1 Wire Dressing 1 25 10 2 Wire Dressing 2 26 11 Schematic Diagram 27 12 Printed Circuit Board 13 Exploded View and Replacement Parts List 2 ...

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: ... 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: ...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 PR 0 35 V p p HDMI 1 2 input TYPE A Connectors USB USB 2 0 TYPE A Connectors DC 5 V Max 500 mA DIGITAL AUDIO OUT PCM Dolby Digital DTS Fibre optic Sound Audio output 20 W 10 W 10 W Receiving systems Band name Digital TV 8 MHz UHF New Zealand free to air TV broadcast recepti...

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: ...1 Fix speaker bracket at panel and screw 2 Stick sponge at speaker and slot at speaker bracket NO PART NO QTY UOM DESCRIPTION REMARK 01 L0EYAA000052 2 PC SPEAKER UNIT 02 THEJ036J 4 PC SCREW A3 P5 VESA4 MTL4 LBRD4 SP4 06 1 Kgf cm 03 TKP5ZA41901 4 PC SP BRACKET 04 TMK4GG100 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: ...sa metal and bottom panel into panel and screw NO PART NO QTY UOM DESCRIPTION REMARK 01 TUX5ZX0371 4 PC VESA METAL 02 TUX5ZX0391 2 PC BOTTOM METAL 03 THEJ036J 8 PC SCREW A3 P5 VESA4 MTL4 LBRD4 SP4 06 1 Kgf cm 04 TMK4GA300 4 PC FELT 5 15 0 35t ...

Page 16: ...Key Button Assembly Fix pcb at key button bracket and fix at panel NO PART NO QTY UOM DESCRIPTION 01 TBX5ZA03301 1 PC KEY BUTTON BRACKET 02 TZLP104KGAB 1 PC ASS Y 42 IN HOUSE PANEL 03 TMK4GA265 1 PC FELT 10 x 35 x 0 35t ...

Page 17: ...cket at pcb 4 Fix all pcb and screw NO PART NO QTY UOM DESCRIPTION REMARK 01 TKK5ZC50501A 1 PC LED PANEL 02 TKP5ZA41701 1 PC LED PANEL CASE 03 TMK5ZX084 1 PC BARRIER 04 TMX5ZE0045 1 PC CHASSIS BRACKET A PCB 05 TSCKF0690001 1 PC LVDS CABLE 06 TKP5ZA32202 1 PC SIDE AV BRACKET 07 THEJ036J 12 PC SCREW A3 P5 VESA4 MTL4 LBRD4 SP4 06 1 Kgf cm ...

Page 18: ...TH 42C400Z 18 7 6 Pop Sticker Energy Rating NO PART NO QTY UOM DESCRIPTION 01 TQFT725 1 PC POP STICKER 02 T4FL0707N 0 06 MT BLUE TAPE 03 TQF4GA744 1 PC ENERGY LABEL ...

Page 19: ...art list for detail 3 Fold cover for fan bag and stick with film tape NO PART NO QTY UOM DESCRIPTION 01 XZB20X32A02 1 PC BAG 02 T5E4G62400 0 04 MT YELLOW_MASKING_TAPE 03 TQB4GC1418 1 PC OPERATING MANUAL ENGLISH 04 TXFKL01TTUJ 1 PC FALL PREVENTION BAND ASS Y 05 THEJ051N 1 PC SCREW 06 TKLA3401 1 PC FALL PREVENTION_BAND 07 TQE6691 1 PC PLASTIC ENVELOPE 08 XTWT4 Z15DFJ 1 PC SCREW ...

Page 20: ...y Fix pedestal follow below need screw first before stick rubber foot NO PART NO QTY UOM DESCRIPTION 01 TBL4GA30521 1 PC PEDESTAL BASE R 02 TBL4GA30531 1 PC PEDESTAL BASE L 03 TBL5ZG30211 4 PC RUBBER FOOT 04 TPE4GH131 2 PC BAG PEDESTAL ...

Page 21: ... QTY UOM DESCRIPTION 01 TKU5ZC07201 1 PC BACK_COVER 02 TMK4GA073 1 PC FELT 10 260 0 35t 03 TMK4GA193 1 PC FELT 10 960 0 35t 04 TMK4GA003 2 PC FELT 12 540 0 35t 05 TMK4GA101 1 PC FELT 10 355 0 35t 06 TMK4GA055 1 PC FELT 10 125 0 35t 07 TMK4GA117 1 PC FELT 5 80 0 55T ...

Page 22: ... 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 04 TBM4GU113 1 PC ADJUSTMENT SHEET 05 TBM4GD6665 1 PC MODEL NAME PLATE ...

Page 23: ...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 24: ...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 25: ...TH 42C400Z 25 10 Wiring Connection Diagram 10 1 Wire Dressing 1 ...

Page 26: ...TH 42C400Z 26 10 2 Wire Dressing 2 Stick pet tape for wire dressing NO PART NO QTY UOM DESCRIPTION REMARK 01 T4FP10050 0 59 MT PET_TAPE 0 06 6 60 mm 6 pcs ...

Page 27: ...TH 42C400Z 27 11 Schematic Diagram Model No TH 42C400Z A Board 1 13 ...

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Page 40: ...Model No TH 42C400Z GK Board ...

Page 41: ...Model No TH 42C400Z K Board ...

Page 42: ...Model No TH 42C400Z LD Board ...

Page 43: ...Model No TH 42C400Z P Board 1 2 ...

Page 44: ...Model No TH 42C400Z P Board 2 2 ...

Page 45: ...45 12 Printed Circuit Board Model No TH 42C400Z A Board Top Component Side TH 42C400Z ...

Page 46: ...Model No TH 42C400Z A Board Bottom Component Side ...

Page 47: ...Model No TH 42C400Z GK Board ...

Page 48: ...Model No TH 42C400Z K Board ...

Page 49: ...Model No TH 42C400Z LD Board ...

Page 50: ...Model No TH 42C400Z P Board Top Component Side ...

Page 51: ...Model No TH 42C400Z P Board Bottom Component Side ...

Page 52: ...52 13 Exploded View and Replacement Parts List TH 42C400Z Model No TH 42C400Z Parts Location ...

Page 53: ...Model No TH 42C400Z Packing Exploded View 1 ...

Page 54: ...Model No TH 42C400Z Packing Exploded View 2 ...

Page 55: ...0 F1G1H100A948 C 10PF 50V C3169 F1J1A106A043 C 10UF 10V C3170 F1J1A106A043 C 10UF 10V C3173 F1G1H152A946 C 1500PF 50V C3174 F1G1A473A079 C 0 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 F1G1C223A173 C 0 022UF 16V C4305 F1G1E332A172 C 3300PF 25V C4306 F1K1V106A010 C 10UF 25...

Page 56: ... C 0 1UF 16V C6775 F1G1C104A146 C 0 1UF 16V C6777 F1G0J105A049 C 1UF 6 3V C6781 F1G1H331A946 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 F1G1H102A948 C 1000PF 50V C6793 F1G1H102A948 C 1000PF 50V C6795 F1G1C104A146 C 0 1UF 16V C6797 F1G1H102A946 C 1000PF 50V C6798 F1G1H10...

Page 57: ...00 F1J1H101A906 C 100PF 50V C7801 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 2...

Page 58: ...47 C 0 01UF 50V C8152 F1G1A105A047 C 1UF 6 3V C8153 F1G1A105A047 C 1UF 6 3V C8162 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 F1G1A105A0...

Page 59: ...KR000022 DIODE D7105 B0EAKR000022 DIODE D7106 B0EBNT000028 DIODE D7211 B0JCMG000043 DIODE D7215 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 B0BC027A...

Page 60: ...L4902 G1C220MA0533 INDUCTOR L4903 G1C220MA0533 INDUCTOR L4904 G1C220MA0533 INDUCTOR L5601 J0JYC0000464 BEAD CORE L6704 J0JYC0000464 CHIP BEADS L6706 J0JYC0000464 CHIP BEADS 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 L...

Page 61: ...7 TRANSISTOR Q8002 B1CHPD000013 TRANSISTOR Q8003 B1ABCF000231 TRANSISTOR RESISTORS R0902 D0GA272JA023 M 2 7K Ohm J 1 16W R0903 D0GA272JA023 M 2 7K Ohm 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 7K Ohm J 1 16W R0925...

Page 62: ...023 M 100 Ohm J 1 16W R3194 D1BD75R0A066 M 75 Ohm F 1 8W R3196 D0GA101JA023 M 100 Ohm J 1 16W R3201 D0GA473JA023 M 47K Ohm J 1 16W R3202 D0GA473JA023 M 47K Ohm J 1 16W R3205 D0GA101JA023 M 100 Ohm J 1 16W R3243 D0GA220JA023 M 22 Ohm J 1 16W R4048 D0GA912JA023 M 9 1K Ohm 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...

Page 63: ...W R5084 D0GA473JA039 M 47K Ohm J 1 16W R5085 D0GA103JA023 M 10K Ohm J 1 16W R5086 D0GAR00J0005 M 0 Ohm 1 16W R5087 D1BA2202A023 M 20K Ohm F 1 16W R5088 D1BA1602A023 M 16K Ohm F 1 16W R5090 D0GA473JA039 M 47K Ohm J 1 16W R5091 D0GA102JA023 M 1K Ohm J 1 16W R5092 D0GA472JA023 M 4 7K Ohm J 1 16W R5093 D0GA472JA023 M 4 7K Ohm J 1 16W R5095 D0GA473JA039 M 47K Ohm J 1 16W R5096 D0GA473JA039 M 47K Ohm J ...

Page 64: ... 1 16W R7228 D1BF1504A073 M 1 5MOHM F 1 16W R7229 D1BD2003A203 M 200K Ohm F 1 8W R7230 D1BD4422A203 M 44 2K Ohm F 1 8W R7231 D1BD4303A203 M 430K Ohm F 1 8W R7232 D1BD3603A203 M 360K Ohm F 1 8W R7234 D1BD8203A203 M 820K Ohm F 1 8W R7240 D0GF225JA048 M 2 2M Ohm J 1 4W R7241 D0GF225JA048 M 2 2M Ohm J 1 4W R7242 D0GF225JA048 M 2 2M Ohm J 1 4W R7243 D0GF225JA048 M 2 2M Ohm J 1 4W R7244 D0GD124JA052 M 1...

Page 65: ...3A076 M 180K Ohm F 1 8W R7806 D1BD2202A066 M 22K Ohm F 1 8W R7807 D0GD153ZA034 M 15K Ohm J 1 8W R7808 D0GD104JA052 M 100K Ohm J 1 8W R7809 D1BD6802A203 M 68K Ohm F 1 8W R7810 D1BD2202A203 M 22K Ohm F 1 8W R7811 D0GDR00J0004 M 0 Ohm J 1 8W R7812 D0GD104JA052 M 100K Ohm J 1 8W R7813 D0GD393JA052 M 39K Ohm J 1 8W R7816 D1BD1503A066 M 150K Ohm F 1 8W R7817 D0GD104JA052 M 100K Ohm J 1 8W R7818 D0GD152Z...

Page 66: ...4W R7884 D0GF473JA048 M 47K Ohm J 1 4W R7885 D0GF242JA048 M 2 4K Ohm J 1 4W R7886 D0GF242JA048 M 2 4K Ohm J 1 4W R7887 D0GF242JA048 M 2 4K Ohm J 1 4W R7888 D0GF242JA048 M 2 4K Ohm J 1 4W R7889 D0GD1R0JA052 M 1 Ohm J 1 8W R7895 D1BD18R0A204 M 18K Ohm F 1 8W R7897 D1BD18R0A204 M 18K Ohm F 1 8W R7899 D0GD101JA052 M 100 Ohm J 1 8W R8099 D1BA2002A023 M 20K Ohm F 1 16W R8100 D1BA5601A023 M 5 6K Ohm F 1 ...

Page 67: ... K1MY51BA0526 CONNECTOR A12 K1KY04BA0387 CONNECTOR CF7101 D4CAY4R7A096 THERMISTORS RESISTOR CN0100 K1KA14A00248 CONNECTOR F7101 K5E502YYA213 FUSE GK4 K1KY03BA0402 CONNECTOR JA1 D0GDR00J0004 M 0 Ohm J 1 8W JA10 D0GFR00J0005 M 0 Ohm J 1 3W JA11 D0GFR00J0005 M 0 Ohm J 1 3W JA13 D0GFR00J0005 M 0 Ohm J 1 3W JA14 D0GFR00J0005 M 0 Ohm J 1 3W JA16 D0GFR00J0005 M 0 Ohm J 1 3W JA17 D0GFR00J0005 M 0 Ohm J 1 ...

Page 68: ...B0000018 PHOTO DETECTOR SN2800 B3JB00000219 PHOTO DETECTOR SW2851 EVQ11G05R SWITCH SW2852 EVQ11G05R SWITCH SW2853 EVQ11G05R SWITCH SW2854 EVQ11G05R SWITCH SW2855 EVQ11G05R SWITCH SW2857 EVQ11G05R SWITCH X6750 H0J240500067 CRYSTAL OSCILLATOR X8301 H0J240500095 CRYSTAL OSCILLATOR ZA7101 K4AD01A00004 RUG TERMINAL ZA7102 K4AD01A00004 RUG TERMINAL ZA7105 K4AD01A00004 RUG TERMINAL ZA7801 K4AD01A00004 RU...

Page 69: ...A07111 CUSHION TOP CENTRE 11 TPE4GH073 SET COVER TQF4GA744 ENERGY RATING LABEL 12 TQZ4GB980 FAN BAG ASSY TSCKF0690001 LVDS CABLE TSCKZ0140001 FFC 13 TXFPC01WZUZ CARTON ASSY 14 TZBL4GX00261 PEDESTAL BASE ASSEMBLY TZLP104VEUZ ASSY 42 IN HOUSE PANEL 15 TZTU4GA1587 BACK COVER COMPLETE THE5ZL002N SCREW B M4 x 12mm Round Screw Pedestal Assembly to TV Screw Note Screws Supplied with Stand Metal Bracket K...

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