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Hitachi LE40TF07A, Service Manual

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Hitachi LE40TF07A Service Manual Download Page 28

TROUBLESHOOTING

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Summary of Contents for LE40TF07A

Page 1: ...VIEW 6 8 CONNECTIONS 9 10 DISASSEMBLY INSTRUCTIONS 12 13 Contents TROUBLESHOOTING 26 29 SCHEMATIC DIAGRAMS 17 25 BLOCK DIAGRAMS 14 16 PRINTED CIRCUIT BOARDS 30 33 Main PCB Board 19 24 Others 25 Power PCB Board 17 18 LCD Television with LED Back Light SERVICING NOTICES 2 4 PEPLACEMENT PART LISTS 34 40 ...

Page 2: ...0V insulation resistance meter which is indicated in the circuit diagram or the Note 1 table of parts as a mark the designated 4 If the insulation resistance is less than 1M parts must be used ohm the inspection repair should be required SERVICING NOTICES ON CHECKING required 4 BE CAREFUL WITH THE 1 e t o N L E N A P D C L If you have not the 500V insulation Avoid a shock to the panel while servic...

Page 3: ...ed out on all the parts located within 10 mm distance from IC leads Fig 2 1 Masking Tape Cotton Tape IC Blower type IC desoldering machine Tweezers 2 Heat the IC leads using a blower type IC desoldering machine Refer to Fig 2 2 NOTE Do not rotate or move the IC back and forth until IC 4 Peel off the Masking Tape can move back and forth easily after desoldering the d e d i a r B e h t g n i s u n r...

Page 4: ...orrect by resoldering NOTE 2 Supply the solder from the upper position of IC leads When the IC leads are bent during soldering and or sliding to the lower position of the IC leads repairing do not repair the bending of leads If the Refer to Fig 2 6 bending of leads are repaired the pattern may be damaged So always be sure to replace the IC in this Fig 2 5 Fig 2 8 IC Thin tip Soldering Iron Solderi...

Page 5: ... L MONO R AUDIO IN HDMI HDMI1 HDMI IN HDMI2 HDMI IN HDMI3 PC PC IN AUDIO IN MEDIA USB IN OUT VIDEO OUT L R AUDIO OUT Headphone Input Signals RF PAL B G D K I SECAM B G D K NTSC M Composite Video PAL SECAM NTSC 3 58 NTSC 4 43 PAL 60 Component Video 480i p 576i p 720p 50 60Hz 1080i 50 60Hz HDMI 480i p 576i p 720p 50 60Hz 1080i 50 60Hz 1080p 24 50 60Hz Analog RGB 640x480 800x600 1024x768 1280x720 128...

Page 6: ...tched on or at stand by mode press to s ower of the TV Functional Overviews 1 Power Supp ly Ja ck 2 Wall Mounting Bra cket Holes 3 Antenna Input Terminal 4 Headphone Ja ck 5 AV Output Terminal AV output is onlyavailable in TV orAV mode 7 AV1 Input Terminal 8 AV2 Input Terminal 9 AV3 Component Input Terminal The audio te rminals are shared bet weenAV2 andAV3 COMPONENT input te rminal 12 HDMI1 Input...

Page 7: ...nding on the broadcasting Select Mono in case of poor reception noise or poor stereo sound due to signal condition 5 Menu Press to display the TV main menu or to return to previous menu screen 6 Up Down Left Right Press to select or adjust the desired item on the TV menu OK OK Press to confirm and execute the selection List LIST Press to display the list of channels To select a channel from channe...

Page 8: ...EDIA mode In some cases the screen display may have slight blanking or noise at the edges This is not a malfunction 12 Media MEDIA Press to access MEDIA mode directly Press again to exit MEDIA mode 13 Return RETURN Press to exit TV menu 14 Channel Up Down Press to select previous next channel 15 Last Channel LAST CH Press to switch between the current channel and the last selected channel Last Cha...

Page 9: ... the appropriate connection depending on the equipment that you are connecting and the level of picture quality you are trying to achieve To view external source images press to select input source To use HDMI terminal rear top side bottom side rear top s HDMI Device HDMI OUT or If the external equipment has DVI output you can connect it to the HDMI terminal using a HDMI DVI cable In case of using...

Page 10: ...tom side AUDIO OUT RGB OUT Example Computer To use AV Out terminal rear top side bottom side Example Recording Device AUDIO IN L R VIDEO IN AUDIO IN L R Example Amplifier or To connect headphone top side Headphone To connect external USB storage device bottom side External USB Storage Device You can also connect a PC with DVI or HDMI output to this TV AV output is only available in TV or AV mode Th...

Page 11: ...02 209 209 209 209 PCB270 OPERATION PCB ASS Y 114 115 204 204 204 204 MAIN001 MAIN UNIT 111 207 209 209 209 209 108 105 116 204 105 204 204 204 204 112 113 117 117 117 117 117 117 117 117 117 117 117 117 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 203 117 110 105 106 109 119 204 204 118 118 118 118 117 Mechanical Exploded View Note The detail part number and descritpion of ...

Page 12: ...er to Fig 1 1 1 Remove the 4 screws 1 2 Remove the Stand Ass y in the direction of arrow Fig 1 1 1 1 Stand Ass y A Plate Jack B Shield Jack 2 2 Main Unit 2 2 1 1 2 1 1 C 1 2 BACK CABI ASS Y Refer to Fig 1 2 1 Remove the 17 screws 1 1 4 POWER PCB OPERATION PCB 2 Remove the Back Cabi Ass y in the direction of arrow Refer to Fig 1 4 1 Disconnect the following connector CP3804 2 Remove the 6 screws 1 ...

Page 13: ... Refer to Fig 1 5 1 Remove the 3 screws 1 2 Remove the Angle Hing in the direction of arrow A 3 Remove the Remocon PCB in the direction of arrow B Fig 1 5 B A Remocon PCB 1 1 1 Angle Hing Disassembly Instructions c 13 ...

Page 14: ... HSYNC VSYNC HDMI Connector HDMI 1 HDMI_SW 3in1 IT6633 E P ITE Tech V Audio1 In Jack CVBS1 In Component Ｌ R Pb Pr Y Ｌ R Component DDR1 HY5DU561622FTP D43 C 256M 16Mx16 HYNIX Serial FLASH 16Mbit EN25Q16 Eon V CVBS2 In UBS Media Player Software Update V Audio1 In Jack CVBS1 In Component Ｌ R Pb Pr Y Ｌ R Component DDR1 W9425G6JH 4 256M 16Mx16 WINBOND Serial FLASH 32Mbit W25Q32BVSSIG WINBOND V CVBS2 In...

Page 15: ...LCD PANEL CD3802 MAIN UNIT CD2801 SPEAKER CD301 CD3801 POWER PCB J3801 CP3804 CP3802 CP3801 CD3804 REMOCON2 PCB CD7603 CP7603 OPERATION PCB CD2817 CP7604 CN6 CN5 CN23 CN8 CN7 CN3 CN2 Block Diagram 15 ...

Page 16: ...UND_ B SW_ 12V SW_ 12V GND GND GND GND AT_ 6 0V AT_ 6 0V AT_ 6 0V SW_ 12V GND SW_ 12V GND CEL737 IR_IN GND LED_G 3 3V_STB LED_R GND REMOCON IN AT 3 3V STANDBY LED POWER ON LED REMOCON2 PCB TM101 PCBDA0 COMMAND TRANSMITTER PCB240 POWER PCB GND BL ON RELAY H NC NC RXO1 RXO0 RXO2 RXO1 RXO0 VCC Panel RXEC RXE4 RXE3 VCC Panel VCC Panel RXE0 RXE1 RXE2 GND RXEC RXE3 GND VCC Panel RXE4 GND GND VCC Panel 1...

Page 17: ...CC SW B3806 W4BRH3 5X6X1 0 B3801 BLM31PG121SN1L B3807 BL02RN1R2N1A C3805 47 50V YXF C3813_1 47 50V MHE_P C3809_1 47P 2KV SL C3806_1 0 33 310V LE MX C3801_1 0 33 310V LE MX C3827 0 1 50V B C3804 0 1 50V B C3803 0 0022 50V B C3823 0 22 25V B C3807 470P 250V E C3808 470P 250V E C3818 1 50V 2125 B C3824 0 01 50V B C3815 1 450V ECWF C3817 470P 250V E C3816 470P 250V E C3822 1 25V B F3801 SG5013005P R G...

Page 18: ...6 1H6 A2 D3825 EC11FS4 D3827 SF10K60M D3824 EC11FS4 D3847 EC11FS4 D3832 1SS133 D3833 1SS133 W812 W806 W829 W824 W832 W807 W809 C3846_1 100 450V H 25mm GN C3872 470 25V ZLH C3867 1000 35V ZL C3865 1500 35V ZLH C3866 1000 25V ZLJ B3802 BL02RN1R2N1A B3804 BL02RN1R2N1A B3805 BL02RN1R2N1A B3803 BL02RN1R2N1A C3884 0 1 50V B C3852_1 0 012 630V FGSM C3843 220P 2KV R C3840 10 50V 3216 B C3838 0 1 25V B C38...

Page 19: ...4 E1 100uF 16V E3 470uF 10V 1 2 3 4 5 6 7 8 9 10 CN3 10PIN 1 2 3 4 5 6 7 8 9 10 11 CN2 11PIN CP3002 CP3001 SW_ 12V SW_ 12V AMP_ 18V AMP_ 18V GND GND R E LAY_H GND GND AT_ 6 0V AT_ 6 0V GND GND GND AT_ 6 0V SW_ 12V SW_ 12V PW_ON R E LAY_H R6 0ohm PW_ON Q4 LMBT3 904LT1G R8 4K 7ohm R10 10K ohm C14 104 Q3 WPM2341 3 TR R9 100K ohm AT_ 6 0V POWER_ ON M_ 6 0V PANE L_EN Q6 LMBT3 904LT1G R11 12K ohm R17 2K...

Page 20: ...01 G N D _E FU SE 202 SPI _C K 203 SPI _D I 204 SPI _D O 205 SPI _C Z 206 G PI O11 SA R 0 207 G PI O12 SA R 1 208 G PI O13 SA R 2 209 G PI O10 PM G PI O 210 D D C A _C K 211 D D C A _D A 212 G PI O6 PM 1 T X 213 G PI O7 PM 4 POW E R _ON 214 G PI O8 PM 5 R X 215 G PI O9 PM 6 C S1 216 IRIN 1 CEC 2 E pad 217 D P_P1 199 D M _P1 198 U7 MST6E181VS R30 100Kohm Q9 SGM810 SXN3L M_R E SE T Y1 24MHz R56 1Moh...

Page 21: ...100 1uF C105 1uF R_OUT 12V_A 3 2 1 CN13 AV4 R110 33ohm R119 33ohm R105 33ohm C125 473 C121 473 C132 473 C124 1000pF YP bPr_SOG YP bPr_Y_ IN YP bPr_Pb_IN YP bPr_Pr_IN YP bPr_Y YP bPr_Pb YP bPr_Pr YP bPr_Y YP bPr_Pb YP bPr_Pr R116 12Kohm R111 15Kohm R124 12Kohm R120 15Kohm R108 75ohm C123 330pF R106 33ohm C122 473 C129 NC 1000pF C135 NC 1000pF D16 NC ICVL 0518030FR D19 NC ICVL 0518030FR D22 NC ICVL ...

Page 22: ..._SINK 47 SDA_SINK 48 POW _SI N K 49 H PD3 50 SDA 3 51 SCL3 52 B 31 53 A 31 54 POW 3 55 B 32 56 A 32 57 G N D 58 B 33 59 A 33 60 V CC 61 B 34 62 A 34 63 CE X T 64 U8 IT6633E P HDM I1_RXC HDM I1_RX0 HDM I1_RX1 HDM I1_RX2 RX5 V1 _DDC_ SCL HDM I1_RXC HDM I1_RX0 HDM I1_RX1 HDM I1_RX2 RX5 V1 _DDC_ SDA PSX01_V3 3 R 149 10K ohm R147 10K ohm H D M I 0_R X C H D M I 0_R X C H D M I 0_R X 0 H D M I 0_R X 0 H...

Page 23: ...C 47pF C152 220pF C147 104 C155 104 DIF 2_OUT1 DIF 2_OUT2 5VTV IF_AGC NC 1 VCC 2 AGC 3 BT 4 AS 5 SCL 6 SDA 7 VCC 8 ADC 9 BT 10 IF OUT1 11 GND 16 GND 13 GND 14 GND 15 IF OUT2 12 T2 F02WT 3 DS E 5VTV TUNER_ SCL TUNER_ SDA IF_AGC DIF 2_OUT1 DIF 2_OUT2 5VTV IF_AGC 33V VT 1 AGC 2 TU 3 GND 4 AS 5 SDA 6 SCL 7 VCC 8 IF1 9 IF2 10 NC 11 GND 16 GND 13 GND 14 GND 15 NC 12 T1 NC CDT 3 SP5I2 36 T99 T100 T101 T1...

Page 24: ...T A M P_ 18V A M P_ 18V AMP_ 18V R179 22K ohm C178 10uF C181 10uF R183 0ohm R184 NC 0ohm C175 104 R175 6K 8ohm R185 47K ohm M_ 6 0V AVCC AVCC R181 12K ohm ROUT L_OUT E16 100uF 16V C180 1uF C174 1uF AMP LO AMP R O AMP_STB R188 8R2ohm C189 474 R173 8R2ohm C166 474 C172 NC 104 C169 C241J334J2SC320 C165 C241J334J2SC320 R176 1K 2ohm E15 100uF 16V R187 1K 2ohm E17 100uF 16V 9 8 7 3 2 6 5 4 1 CN22 CK 3 3...

Page 25: ...VQ21505R MENU SW2207 EVQ21505R CH UP PLAY CD7603 E8254001 CD2817 E8231804 R7606 100 1 16W R7605 47 1 16W R7604 100 1 16W R7607 100 1 16W R2203 5 6K 1 16W R2204 2 7K 1 16W R2206 1K 1 16W R2205 2 7K 1 16W R2202 12K 1 16W W837 GND3 KEY B KEY A FROM TO JACK GND REMOCON IN AT 3 3V STANDBY LED POWER ON LED PCBDA0 CEL741 REMOCON2 PCB OPERATION PCB PCB270 GND KEY B KEY A FROM TO MICON CEL738 Circuit Diagr...

Page 26: ... LCD SECTION TROUBLESHOOTING 26 ...

Page 27: ...TROUBLESHOOTING 27 ...

Page 28: ...TROUBLESHOOTING 28 ...

Page 29: ...TROUBLESHOOTING 29 ...

Page 30: ...PRINTED CIRCUIT BOARDS Main PCB Board Front 30 ...

Page 31: ...PRINTED CIRCUIT BOARDS Main PCB Board Pattern 31 ...

Page 32: ...W809 R3890 D3812 W015 R3815 W012 W005 C3865 C3806_1 C3801_1 C3867 W004 W825 C3814 B3806 C3805 Q3817 Q3818 C3820 CP3804 W007 W024 SW2203 SW2205 SW2206 SW2202 SW2207 SW2208 SW2204 CP7604 R3883 W019 W001 W011 W023 D 3 8 1 6 _ 1 D3832 C 3 8 1 6 W025 C3828 W026 R3813 B3807 R3833 D3808 L3804 D3809 Q3816 R3877 B3802 W021 D3846 W028 W008 W010 W009 R3876 R3878 W027 D3848 W013 W014 W022 W020 W805 W812 R3819...

Page 33: ...3832 R3831 R3826 R3842 R3893 R3897 R3898 R3899 C3864 R3895 W807 R3894 R3892 R3891 R3896 C3854 R3827 R3830 Q3807 C3824 R3838 Q3811 Q3809 R3829 R3834 R3904 R3910 R3907 R3901 R3816 C3881 C3879 C3830 C3883 C3884 R3864 W824 W832 C3914 R3916 R3824 R3811 D3825 D3847 W837 R2204 R2205 R2202 R2206 R2203 R3885 R3881 W806 R3803 R3804 R7604 R7606 R7607 R7605 R3853 CEL737A 3 PAL NTSC 3 3 CEL738A PAL NTSC CEL740...

Page 34: ...her hazards Don t degrade the safety of the receiver through improper servicing quote the components shown in this page for servicing purposes The following service parts list are available for purchase Serviceman may PRODUCT SAFETY NOTE Components marked with a have special characteristics important to safety The use of a substitute replacement part which does not have the same safety characteris...

Page 35: ...05 02 02 0056 Capacitor 0 1uF 0402 80 20 16V C55 05 02 02 0056 Capacitor 0 1uF 0402 80 20 16V C148 05 02 02 0056 Capacitor 0 1uF 0402 80 20 16V C56 05 02 02 0056 Capacitor 0 1uF 0402 80 20 16V C15 05 02 02 0056 Capacitor 0 1uF 0402 80 20 16V C57 05 02 02 0056 Capacitor 0 1uF 0402 80 20 16V C150 05 02 02 0056 Capacitor 0 1uF 0402 80 20 16V C58 05 02 02 0056 Capacitor 0 1uF 0402 80 20 16V C151 05 02...

Page 36: ...esistor 4K7ohm 0402 5 1 16W R107 05 01 01 0200 Resistor 75ohm 0402 5 1 16W R246 05 01 01 0208 Resistor 1Kohm 0402 5 1 16W R108 05 01 01 0227 Resistor 100Kohm 0402 5 1 16W R247 05 01 01 0302 Resistor 2K2ohm 0603 5 1 10W R109 05 01 01 0202 Resistor 100ohm 0402 5 1 16W R25 05 01 01 0208 Resistor 1Kohm 0402 5 1 16W R11 05 01 01 0220 Resistor 12Kohm 0402 5 1 16W R250 05 01 01 0218 Resistor 10Kohm 0402 ...

Page 37: ...47ohm 0402 5 1 16W Q6 05 04 03 0014 Transistor MMBT3904 f 350MHz R9 05 01 01 0227 Resistor 100Kohm 0402 5 1 16W Q7 05 04 03 0014 Transistor MMBT3904 f 350MHz R90 05 01 01 0208 Resistor 1Kohm 0402 5 1 16W Q8 05 04 03 0014 Transistor MMBT3904 f 350MHz R91 05 01 01 0198 Resistor 33ohm 0402 5 1 16W R92 05 01 01 0208 Resistor 1Kohm 0402 5 1 16W R93 05 01 01 0200 Resistor 75ohm 0402 5 1 16W R94 05 01 01...

Page 38: ... 5 0 8 3 B L S V K 1 F P 0 0 1 C C J 2 1 6 L S T 3 0 C 1 5 8 3 C B S D A E B L02RN1R2N1A E R O C 4 6 5 3 0 T H 4 2 0 6 0 8 3 B V 0 3 6 F U 2 1 0 0 P P M C J 3 2 1 5 0 B N 4 P 2 5 8 3 C 0 1 X 6 X 5 3 H R B 4 W S D A E B E R O C 4 8 4 3 0 T A 4 2 0 7 0 8 3 B E V 0 5 2 F P 0 7 4 C C K 2 Q M 0 E 9 3 E C 3 5 8 3 C B S D A E B L02RN1R2N1A N A G N A M Y R E T T A B 1 2 0 4 0 0 U 1 4 1 1 0 0 T B V 5 3 F U...

Page 39: ...0002W PHOTO COUPLER PS2561AL1 1 V W CP POLYESTER CAPACITOR P P C 2 7 0 3 E S 5 0 2 5 Z C M C I L T C 0 5 0 2 5 0 F 6 1 I 4 0 8 3 C I POLYPROPYLENE CAPACITOR IC3805 I1KJ9A431A VARIABLE SHUNT REGULATOR TAPE C C I T S A L P L P C T A A 1 3 4 A I K APACITOR IC3807 000220002W PHOTO COUPLER PS2561AL1 1 V W CMP METAL POLYESTER CAPACITOR C C I T S A L P L A T E M L P M C W V 1 1 L A 1 6 5 2 S P R E L P U ...

Page 40: ...8 3 A A S ABEL 791WHAA241 LAMIFILM BAG 103 7A704A409A STAND Y S S A 791WHAA435 FILM BAG 103A 704W G A B M L I F 0 5 4 A A H W 1 9 7 D N A T S 2 8 2 A A P 103B 761W P O T E G A K C A P 9 3 5 A A H W 2 9 7 D N A T S E L G N A 1 0 5 A A S M O T T O B E G A K C A P 0 4 5 A A H W 2 9 7 G E L N O I H S U C 7 1 0 A A R W 0 0 8 C 3 0 1 792WHAA541 PACKAGE CENTER 104 704W X O B T F I G 8 1 9 E D C W 3 9 7 E...

Page 41: ...Copyright Digital Media Systems Group 2012 All rights reserved LE40TF07A SC No 0075E ...

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