LG 47LH40ED Service Manual Download Page 1

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LCD TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : LJ92J

MODEL : 4

LH40ED

LH40ED-SA

North/Latin America

http://aic.lgservice.com

Europe/Africa

http://eic.lgservice.com

Asia/Oceania

http://biz.lgservice.com

Internal Use Only

Summary of Contents for 47LH40ED

Page 1: ...SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LJ92J MODEL 47LH40ED 47LH40ED SA North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

Page 2: ...right LG Electronics Inc All right reserved Only for training and service purposes 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 14 TROUBLE SHOOTING 17 BLOCK DIAGRAM 58 EXPLODED VIEW 59 SVC SHEET ...

Page 3: ...heck Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to...

Page 4: ...n your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge b...

Page 5: ...e solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replaced...

Page 6: ...ollowed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 5 minutes prior to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety UL CSA IEC specification CE EMC FCC ICES IEC specification CE No Item Specification Remark 1 Receiving System 1 SBTVD NTSC PAL M PAL N 2 Available Channe...

Page 7: ... 0 015 for Adjustment Dynamic contrast off Dynamic color off OPC off 13 Color Distortion DG 10 0 14 Color Distortion DP 10 0 deg 15 Color S N AM FM 43 0 dB 16 Color Killer Sensitivity 80 dBm 6 Component Input Y CB PB CR PR No Resolution H freq kHz V freq kHz Pixel clock Proposed 1 720 480 15 73 60 13 5135 SDTV DVD 480I 2 720 480 15 73 59 94 13 5 SDTV DVD 480I 3 720 480 31 47 60 27 027 SDTV 480P 4 ...

Page 8: ...2 720 400 31 469 70 08 28 32 DOS 3 640 480 31 469 59 94 25 17 VESA VGA 4 800 600 35 156 56 25 36 00 VESA SVGA 5 800 600 37 879 60 31 40 00 VESA SVGA 6 1024 768 48 363 60 00 65 00 VESA XGA 7 1280 768 47 776 59 870 79 5 CVT WXGA 8 1360 768 47 712 60 015 85 50 VESA WXGA 9 1280 1024 63 981 60 020 108 00 VESA SXGA 10 1600 1200 75 00 60 00 162 VESA UXGA 11 1920 1080 66 587 59 934 138 5 HDTV 1080P DTV 1 ...

Page 9: ...Auto 9 Time Off Timer On Timer Sleep Timer Auto Sleep Off Language Menu Audio Portugues SimpLink Key Lock Off Off Caption 10 Option Set ID 1 11 Channel Memory RF 2 3 4 5 6 7 8 9 10 11 12 13 14 30 51 63 CATV 15 16 17 No Item Content Unit Remark Width W Length D Height H mm 791 5 1153 2 337 4 1153 2 99 8 1485 255 mm With Stand Before Packing 719 mm Without Stand 1 Product Dimension After Packing 860...

Page 10: ...ttern condition of Ez Adjust status How to make set white pattern 1 Press Power ON button of Service Remocon 2 Press ADJ button of Service remocon Select 8 Test pattern and after select White using navigation button and then you can see 100 Full White pattern In this status you can maintain Heat Run useless any pattern generator Notice if you maintain one picture over 20 minutes Especially sharp d...

Page 12: ... xb 00 40 Change the mode to Component1 No actions ad 00 10 Adjust 480i Comp ad 00 10 Adjust 1080p Comp xb 00 60 Change to RGB PC mode No action ad 00 10 Adjust 1080p RGB ad 00 90 End of the adjustment Order Command Set response 1 Inter the ad 00 00 d 00 OK00x Adjustment mode 2 Change the kb 00 40 b 00 OK40x Adjust 480i Comp1 1080p Comp1 Source kb 00 60 b 00 OK60x Adjust 1080p RGB 3 Start Adjustme...

Page 13: ...stment Check connection both of Component1 and RGB MSPG 925FA Model 225 Pattern 65 Set Component 1080p mode and 100 Horizontal Color Bar Pattern HozTV31Bar then set TV set to Component1 mode and its screen to NORMAL After get each the signal wait more a second and enter the IN START with press IN START key of Service remocon After then select 7 External ADC with navigator button and press Enter Af...

Page 14: ... For write EDID data setting Jig and another instruments EDID data for LJ91D Chassis Model name LG TV HDMI 1 EDID table 0x33 0x2C HDM2 EDID table 0x33 0x1C HDMI 3 EDID table 0x33 0x0C Analog RGB EDID table 0x9B 0x25 PC Download jig RGB cable Main B D Edid data and Model option download RS232 NO Item CMD 1 CMD 2 Data 0 Enter download MODE Download ModeIn A E 0 0 When transfer the Mode In Carry the ...

Page 15: ...nual Adjust case if you press ADJ button of service remocon and enter Ez Adjust Menu 7 White Balance then automatically inner pattern operates In case of Inner originally Inner will be selected Connect all cables and equipments like Pic 5 Set Baud Rate of RS 232C to 115200 It may set 115200 orignally Connect RS 232C cable to set Connect HDMI cable to set RS 232C Command Commonly apply wb 00 00 Whi...

Page 16: ...tment mode Attachment White Balance adjustment coordination and color temperature O Using CS 1000 Equipment COOL T 11000K uv 0 000 x 0 276 y 0 283 MEDIUM T 9300K uv 0 000 x 0 285 y 0 293 WARM T 6500K uv 0 000 x 0 313 y 0 329 5 4 Test of RS 232C control Press In Start button of Service Remocon then set the 4 Baud Rate to 115200 Then check RS 232C control and 5 5 Selection of Country option Selectio...

Page 17: ...OMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA9996 Comp1 2 ...

Page 18: ...R COMP1_LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA9...

Page 19: ...ce one of IC807 IC802 L815 L823 L810 L826 Recheck Y N Check Voltage Level 2 5V at L827 N Replace one of IC803 L824 L827 Recheck N Y Check Voltage Level 1 8V at IC804 6 pin N Replace one of IC804 L825 Recheck N Y Check Voltage Level 1 2V at L803 N Replace one of IC809 IC800 L803 L816 L819 L801 Recheck N Y Check X201 Clock 54MHz N Replace X201 Y Check signal transition at IC101 9 pin N Maybe BCM3556...

Page 20: ...1_LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA9996 Co...

Page 21: ...oard N Y Check 12V Voltage Level at P800 13 Pin Check Power connector Y Check 12V Voltage Level at L903 N Replace one of Q900 Q901 Q902 L903 Recheck Y Check P903 16 TXAC 17 TXAC 32 TXBC 33 TXBC N Y Check LVDS Cable N Replace Cable Y Check Voltage LCD Module Check 12V Voltage Level at L902 N Replace one of L804 L902 Recheck Y Maybe BCM3556 IC100 has troubles ...

Page 22: ... COMP1_LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA99...

Page 23: ...ses LGE Internal Use Only 3 Digital TV Video Trouble Shooting Check RF Cable Y Check TP Clock Data Sync R1111 R1103 R1102 N Maybe Tuner TU1100 has problems Y Maybe BCM3556 IC100 has problems Check Tuner TU1100 Power 5 0V 2 5V 3 3V 1 2V N Replace one of L1111 L1101 L1102 L1103 L1104 Recheck Y ...

Page 24: ... COMP1_LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA99...

Page 25: ...in N Y Check CVBS Signal CXA2069 IC1102 62 Pin N Replace one of C1160 R1139 C1128 Recheck Y Check CVBS Signal CXA2069 IC1102 53 Pin N Replace CXA2069 IC1102 Recheck Y Check CVBS Signal C137 N Replace one of R1190 Q1110 R195 C137 Recheck Y N Y Check Tuner Power 5 0V 2 5V 3 3V 1 2V Replace one of L1111 L1101 L1102 L1103 L1104 Recheck Maybe Tuner TU1100 has problems Maybe BCM3556 IC100 has problems ...

Page 26: ... COMP1_LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA99...

Page 27: ...Check Signal Format Is it supported signal Y Check Component Jack JK700 N Y Check Component Signal R774 R775 R776 R777 R778 R779 N Replace one of R774 R775 R776 L700 L701 L702 R777 R778 R779 L703 L704 L705 Recheck Y Check Component Signal C127 C128 C129 C130 C131 C132 N Replace it Y Y Check Component Cable Replace Jack Maybe BCM3556 IC100 has problems ...

Page 28: ...MP1_LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA9996 ...

Page 29: ...rouble Shooting Check Signal Format Is it supported signal Y Check RGB Jack JK701 N Y Y Check RGB Cable Replace Jack Check RGB Signal L706 L707 L708 N Replace It Recheck Y Check Sync Signal IC1701 11 3 N Replace one of R747 R751 IC701 Recheck Y Check EEPROM IC700 N Replace it or re burn Recheck Y Maybe BCM3556 IC100 has problems ...

Page 30: ...P1_LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA9996 C...

Page 31: ...069 IC1102 1 Pin CXA2069 IC1102 22 Pin N Y Check CVBS Signal CXA2069 IC1102 53 Pin N Replace IC1102 Recheck Y Check CVBS Signal C137 N Replace one of R1190 Q1110 R195 C137 Recheck Y Y Replace Jack Maybe BCM3556 IC100 has problems Check Signal Format Is it supported signal Check AV Cable Replace one of R721 R1142 C1134 R760 R1161 C1149 Recheck Checl IC1102 Power Level 9V at L1110 N Replace It Y ...

Page 32: ...MP1_LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA9996 ...

Page 33: ... Trouble Shooting Check Signal Format Is it supported signal Y Check HDMI Jack JK500 JK501 JK503 N Y Y Check HDMI Cable Replace Jack Check IC601 Voltage Level 1 8V_HDMI 3 3V_HDMI N Replace one of L601 L602 R665 R663 Y Check I2C Signal R670 R671 R605 R606 R616 R617 R639 R642 N Replace It Recheck Y Maybe BCM3556 IC100 has problems ...

Page 34: ... COMP1_LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA99...

Page 35: ... audio Y Check Connector P500 N Y Y Check Speaker Replace Connector Check Signal L504 L506 N Replace one of L508 L509 L510 L511 L504 L506 Recheck Y Check IC500 Power 20V 3 3V 1 8V L500 L501 L502 L503 IC504 N Replace It Recheck Y Check BCM3556 I2S Output R148 R149 R150 N Replace It Recheck Y Maybe BCM3556 IC100 has problems Replace Speaker N N Maybe NTP3100 has problems Replace It ...

Page 36: ...R COMP1_LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA9...

Page 37: ...ining and service purposes LGE Internal Use Only 10 Digital TV Audio Trouble Shooting Check video output Y Follow procedure All source audio trouble shooting Maybe BCM3556 internal audio DSP has problems Replace It N Follow procedure digital TV video trouble shooting N ...

Page 38: ... COMP1_LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA99...

Page 39: ...put Y Check SIF Signal TU1100 8 Pin N Y N Y Check SIF Signal C141 N Replace one of R113 C141 Recheck Y Follow procedure All source audio trouble shooting N Maybe BCM3556 audio block has problems Replace It N Y Check Tuner Power 5 0V 2 5V 3 3V 1 2V Replace one of L1111 L1101 L1102 L1103 L1104 Recheck Maybe Tuner TU1100 has problems Replace one of L505 L514 C502 C511 Q500 Q502 IC501 Recheck Check SI...

Page 40: ..._DVR COMP1_LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 T...

Page 41: ... Jack Check Video Output Replace one of C1143 R1156 C1142 R1155 C1141 R1154 C1140 R1153 C1152 R1176 C1151 R1175 C1126 R1140 C1127 R1141 C1154 R1182 C1155 R1183 Recheck N Follow procedure external input video trouble shooting Y Check Signal CXA2069 IC1102 52 54 Pin N Y Check Signal C204 C205 N Replace one of Q1100 Q1102 R202 C204 R203 C205 Recheck Checl IC1102 Power Level 9V at L1110 N Replace It Y...

Page 42: ...OMP1_LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA9996...

Page 43: ...ervice purposes LGE Internal Use Only 13 HDMI Audio Trouble Shooting Check video output Y Follow procedure All source audio trouble shooting N Y Re download EDID data Maybe BCM3556 audio block has problems Replace it N Follow procedure HDMI video trouble shooting N Replace IC601 ...

Page 44: ..._LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA9996 Com...

Page 45: ... USB power could be disabled by inrushing current In this case remove the device and try to reboot the TV AC power off on Check USB 2 0 Cable Y Check JK201 N Y Y Check USB device If devuce is 2 5 inch HDD Check power adaptor Replace Jack Check 5V voltage level at L205 N Replace one of L205 IC3400 Recheck Y Maybe BCM3556 IC100 has problems Replace It ...

Page 46: ...Y_DVR COMP1_LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 ...

Page 47: ...Check 1 8V voltage level At IC1201 2 Pin N Y Check 25MHz Clock Frequency at X1200 N Replace It Y Maybe IC1200 has problems Replace It Check HDD N Replace HDD Y Replace It 15 Digital TV Recording Fail Trouble Shooting Check video audio output Follow procedure digital TV video audio trouble shooting N Maybe BCM3556 IC100 USB block has problems Replace It ...

Page 48: ...CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA9996 Comp1 2 RGB TU_CVBS_DVR TU_CVBS_DVR H...

Page 49: ...g Check 3 3V voltage level at L1002 L1004 16 Analog TV Recording Fail Trouble Shooting N Follow procedure analog TV video audio trouble shooting Check video audio output Check CVBS Signal CXA2069 IC1102 41 Pin Replace one of L507 L518 C510 C549 Q501 Q503 IC503 C1015 Recheck N Replace it Y Check 2 6V voltage level at L820 N Replace one of L821 Q804 L820 Y Check 1 2V voltage level at L1000 L1001 L10...

Page 50: ...CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA9996 Comp1 2 RGB TU_CVBS_DVR TU_CVBS_DVR H...

Page 51: ...output Check CVBS Signal CXA2069 IC1102 44 Pin Replace one of L507 L518 C510 C549 Q501 Q503 IC503 C1015 Recheck N Replace it Y Check 2 6V voltage level at L820 N Replace one of L821 Q804 L820 Check 1 2V voltage level at L1000 L1001 L1003 L1005 L1006 N Replace It Y N Y Maybe BCM3556 IC100 has some problems Replace It Maybe IC1000 has some problems Replace It Reburn or replace IC1303 N Replace It Ch...

Page 52: ...LIVE CVBS Y_DVR COMP1_LR COMP2_LR RGB_LR 2069_L R_OUT1 CXA2069 CXA2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSP...

Page 53: ...rnal Use Only Check RF Cable Y Check TP Clock Data Sync R1115 R1114 R1118 N Maybe Tuner TU1101 has problems Y Maybe BCM3556 IC100 has problems Check Tuner TU1101 Power 5 0V 2 5V 3 3V 1 2V N Replace one of L1106 L1105 L1107 L1109 Recheck Y 18 Digital TV Video Trouble Shooting while recording Watch Record ...

Page 54: ...2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA9996 Comp1 2 RGB TU_CVBS_DVR TU_CVBS_DVR HDMI4 HDMI2 ...

Page 55: ...E Internal Use Only Check video output Y Follow procedure All source audio trouble shooting Maybe BCM3556 internal audio DSP has problems Replace It N Follow procedure digital TV video trouble shooting while recording watch record N 19 Digital TV Audio Trouble Shooting while recording Watch Record ...

Page 56: ...A2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA9996 Comp1 2 RGB TU_CVBS_DVR TU_CVBS_DVR HDMI4 HDMI2...

Page 57: ...place one of C1159 R1161 C1149 Recheck Y Check CVBS Signal CXA2069 IC1102 53 Pin N Replace CXA2069 IC1102 Recheck Y Check CVBS Signal C137 N Replace one of R1190 Q1110 R195 C137 Recheck Y Y Maybe Tuner TU1101 has problems Maybe BCM3556 IC100 has problems 20 Analog TV Video Trouble Shooting while recording Watch Record Check Tuner TU1101 Power 5 0V 2 5V 3 3V 1 2V N Replace one of L1106 L1105 L1107 ...

Page 58: ...A2069 2069_L R_OUT2 EXT_IN HDMI0_BCM AV1 AV2 NANDFlash 128MB NANDFlash 128MB Etc SW SW SIF2 SIF1 SPI BUS USB2 0 SPDIF SIF_DVR SIF_LIVE SIF_LIVE 2069_L R_OUT1 TP2 I2S_BCM SPIF225A SPIF225A HDD HDD CVBS Y_DVR SIF_DVR 2069_L R_OUT2 SAA7164 SAA7164 MPEG_TS DDR1 256Mb DDR1 256Mb Flash 256KB Flash 256KB CPLD CPLD Parallel TS Serial I2C MSPI TDA9996 TDA9996 Comp1 2 RGB TU_CVBS_DVR TU_CVBS_DVR HDMI4 HDMI2...

Page 59: ...heck SIF Signal C141 N Replace one of R113 C141 Recheck Y Follow procedure All source audio trouble shooting N Maybe BCM3556 audio block has problems Replace It Y Maybe Tuner TU1100 has problems Replace one of L512 L514 C550 C553 Q504 Q506 Q508 IC501 Recheck Check SIF Signal IC501 4 Pin 21 Analog TV Audio Trouble Shooting while recording Watch Record Check Tuner TU1101 Power 5 0V 2 5V 3 3V 1 2V N ...

Page 60: ...lectrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufac...

Page 61: ...Mar 2009 Printed in Korea P NO MFL58993602 ...

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