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Страница: 49 / 81

Customer Oriented R&D

Breakthrough

3. Digital TV Video Trouble Shooting

Check RF Cable

Check TP Clock, Data, Sync

R631, R632, R629, R630

Maybe Demodulator has problems

Maybe BCM3556(IC100)

has problems

Check Tuner(TU600) Power

(5.0V, 3.3V, 1.2V)

Replace one of Bead

& Recheck

Check IF Signal pin #17, 18

Maybe Tuner has problems

Check Demodulator Power

(3.3V, 1.2V) L604, IC601

Replace L604 / IC601

Check Demodulator X-TAL

(X600)

Replace X-TAL

Содержание 50PK550

Страница 1: ...S READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS PB01A MODEL 50PK550 50PK550 SA North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only Printed in Korea P NO MFL63141001 1005 REV00 ...

Страница 2: ...nly Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 6 BLOCK DIAGRAM 14 EXPLODED VIEW 15 SVC SHEET ...

Страница 3: ...t s Neck Leakage Current Cold Check 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 met...

Страница 4: ... 5 C 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage 100 V 240 V 50 60 Hz Standard Voltage of each product is marked by models 4 Specification and performance of each parts are followed 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 follo...

Страница 5: ... 02 135 1 VHF 02 13 PK950R Analog model 2 UHF 14 69 3 CATV 02 135 3 Input Voltage 1 AC 100 V 240 V 50 60 Hz 4 Market BRAZIL PK550 PK950 Latin America PK950R 5 Screen Size 50 inch Wide 1920 X1080 50PK550 SA 50PK950 SA 50PK950R MA 60 inch Wide 1920 X 1080 60PK550 SA 60PK950 SA 6 Aspect Ratio 16 9 60PK950R MA 7 Tuning System FS 8 Module PDP50R1 1920 X 1080 50PK550 SA 50PK950 SA 50PK950R MA PDP60R1 19...

Страница 6: ...nerator Notice if you maintain one picture over 20 minutes Especially sharp distinction black with white pattern 13Ch or Cross hatch pattern 09Ch then it can appear image stick near black level 3 Adjustment items 3 1 PCB Assembly adjustment 1 Adjust 480i Comp1 2 Adjust 1080p Comp1 RGB If it is necessary it can adjustment at Manufacture Line You can see set adjustment status at 9 ADJUST CHECK of th...

Страница 7: ...onent1 mode and its screen to NORMAL O 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 O After Then Press key of Service remocon Right Arrow VOL O You can see ADC Component1 Success O Component1 1080p RGB 1080p Adjust is same method O Component 1080p Adjustment in C...

Страница 8: ...ing Set instruments and Jig Like pic 5 then turn on PC and Jig Operate DDC write S W EDID write read It will operate in the DOS mode EDID data Model name LG TV 2010 EDID DATA CHECK SUM 8 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes BLOCK 0 BLOCK 1 HD HDMI1 3B 2C HDMI2 3B 1C HDMI3 3B 0C RGB A3 FHD HDMI1 3B 2C HDMI2 3B 1C HDMI3 3B...

Страница 9: ...g HDMI pattern You can select option at Ez Adjust Menu 7 White Balance there items NONE INNER HDMI It is normally setting at inner basically If you can t adjust using inner pattern you can select HDMI item and you can adjust In manual 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...

Страница 10: ...n adjustment High Light adjustment All of the three mode Let R Gain to 192 and R G B Cut to 64 and then control G B gain adjustment High Light adjustment With volume button you can adjust After all adjustment finished with Enter _ key turn to Ez Adjust mode Then with ADJ button exit from adjustment mode Attachment White Balance adjustment coordination and color temperature O Using CS 1000 Equipmen...

Страница 11: ...ress remove LAN CABLE 9 GND and ESD Testing 9 1 Prepare GND and ESD Testing Check the connection between set and power cord 9 2 Operate GND and ESD auto test 1 Fully connected Between set and power cord set enter the Auto test sequence 2 Connect D Jack AV jack test equipment 3 Turn on Auto controller GWS103 4 4 Start Auto GND test 5 If its result is NG then notice with buzzer 6 If its result is OK...

Страница 12: ... panel left top deviation 0 5V 11 Default Service option 11 1 ADC Set V R Gain adjustment Value default 128 V G Gain adjustment Value default 128 V B Gain adjustment Value default 128 V R Offset adjustment Value default 128 V G Offset adjustment Value default 128 V B Offset adjustment Value default 128 11 2 White balance Value 11 3 Temperature Threshold V Threshold Down Low 20 V Threshold Up Low 2...

Страница 13: ...ART key of ADJ remote control check the S W version CAUTION DO NOT REMOVE USB MEMORY CARD FROM USB PORT WHEN YOU FIND BELOW DESCRIPTION Do not remove the memory card from the port 13 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 15: ...electrical 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 manufa...

Страница 16: ... 16V C1114 PK950 100K R1107 0 1 u F C1109 100K R1106 0 1 u F C1101 0 1uF C1100 1uF C1104 0 1 u F C1103 1M R1102 4 7uF C1110 0 1uF C1111 12K R1101 1uF C1106 0 1 u F C1107 100K R1104 D3 3V 0 1 u F C1102 100K R1108 0 R1100 15pF 50V C1108 15pF 50V C1105 4 7K R1105 D3 3V D3 3V D3 3V D3 3V D3 3V D3 3V 12507WR 10L P1102 PK950 1 2 3 4 5 6 7 8 9 10 11 100K R1133 THERMAL USB2512A_AEZG IC1100 PK950 1 USBDN1_...

Страница 17: ...9 COMP2_Y 003 B3 COMP_L_IN_2 002 A5 5 1V ZD1026 10 R1027 470K R1022 5 1V ZD1022 COMP_R_IN_2 002 A5 100pF C1033 READY COMP1_Pb 003 B3 2 7K R1024 5 1V ZD1017 100pF 50V C1017 270nH L1002 27pF 50V C1031 270nH L1004 1uF 25V C1004 5 1V ZD1012 27pF 50V C1013 470K R1014 1K R1019 100pF C1021 READY 10 R1020 27pF 50V C1029 COMP1_Y 003 B3 1uF 25V C1027 5 1V ZD1014 27pF 50V C1023 100pF 50V C1007 270nH L1003 27...

Страница 18: ...901 CDS3C30GTH 30V D907 0 1uF C903 18pF 50V C908 0 RGB_R R912 1K R921 2 7K R916 10K R909 270pF 50V READY C913 30V D903 PC_SER_CLK 002 G3 AT24C02BN 10SU 1 8 IC901 3 A2 2 A1 4 GND 1 A0 5 SDA 6 SCL 7 WP 8 VCC 22 R902 82pF READY 50V C912 22 R900 0 RGB_R R911 22 R901 KRC102S Q900 E B C BLM18PG600SN1D RGB_BEAD R910 1 5 5V D902 1 10W 22 5 R914 5 5V D900 5 6V READY D909 0 RGB_R R910 BLM18PG600SN1D RGB_BEA...

Страница 19: ...08 AN12 0 R826 D2 _HDMI3 008 AL14 CEC_REMOTE 008 H17 008 H8 008 R26 008 X25 KJA ET 0 0032 EAG42463001 JK803 14 NC 13 CE_REMOTE 5 D1_GND 20 JACK_GND GND 12 CK 11 CK_GND 2 D2_GND 19 HP_DET 18 5V 10 CK 4 D1 1 D2 17 GND 9 D0 8 D0_GND 3 D2 16 DDC_DATA 7 D0 6 D1 15 DDC_CLK D1 _HDMI1 0 1uF 16V C812 GND 47K R836 D2 _HDMI2 008 AG6 DDC_SCL_1 D0 _HDMI2 0 1uF 16V C819 GND D2 _HDMI2 CK _HDMI2 008 AE6 1K R802 C...

Страница 20: ...ES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 2K READY R711 0 R710 0 READY R716 1K R709 READY 22K R718 22K R708 READY 33 R713 33 R706 33 R712 0 01uF C708 22pF READY C700 0 1uF C707 1000pF 50V READY C702 22pF READY C705 22pF READY C701 22pF READY C706 1000pF READY C704 33pF READY C711 33pF READY C709 0 01uF C715 0 1uF C718 0 0 4 7 u F C717 4700pF C716 470...

Страница 21: ... 16V C637 DEMOD_OPT 22 R629 DEMOD_OPT 3 3V_DE 2 2K R624 DEMOD_OPT 0 1uF C619 DEMOD_OPT 2 7K READY R634 FE_TS_SYN 2 2K R626 DEMOD_OPT 0 1 u F 16V C631 DEMOD_OPT 22 R630 DEMOD_OPT 0 1uF C624 DEMOD_OPT 0 1uF C623 DEMOD_OPT 0 1uF C648 DEMOD_OPT TUNER_IF_P 4 7uF C604 4 7uF C602 1uF 25V C635 DEMOD_OPT 1uF 25V C632 DEMOD_OPT SCL2_3 3V SDA2_3 3V 22 R631 DEMOD_OPT FE_TS_VAL 10uF 6 3V C652 100 R618 470 R619...

Страница 22: ...F 16V C530 0 R523 0 1uF C529 0 R520 0 1uF C531 22uF C533 22uF 16V C537 BLM18PG121SN1D L510 10 R516 A1 2V 0 1uF 16V C543 0 1uF C528 D1 2V 1uF 10V C532 100uF 16V C517 100uF 16V C525 100uF 16V READY C516 100uF 16V C556 100K READY R531 A3 3V 0 1uF 16V C542 1 2K 1 R529 47 R519 UBW2012 121F L514 1 8W 13K 1 R530 39K 1 R528 0 R527 1uF C540 47uF 16V C526 3 3V_EN 001 H5 22uF 10V C541 22uF 10V C549 0 1uF C53...

Страница 23: ... VSS_3 J1 VSS_4 K9 VREF E2 VDDL E1 VSSDL E7 NT5TU128M8DE_BD IC404 CK E8 CK F8 CKE F2 RAS F7 CAS G7 WE F3 CS G8 BA0 G2 BA1 G3 A0 H8 A1 H3 A2 H7 A3 J2 A4 J8 A5 J3 A6 J7 A7 K2 A8 K8 A9 K3 A10 AP H2 A11 K7 A12 L2 NC_1 BA2 G1 NC_2 A14 L3 NC_3 A15 L7 A13 L8 ODT F9 DQ0 C8 DQ1 C2 DQ2 D7 DQ3 D3 DQ4 D1 DQ5 D9 DQ6 B1 DQ7 B9 DQS B7 DQS A8 DM RDQS B3 NU RDQS A2 VDDQ_1 A9 VDDQ_2 C1 VDDQ_3 C3 VDDQ_4 C7 VDDQ_5 C9...

Страница 24: ...CM_CVBS3 AH12 SD_INCM_CVBS4 AG13 SD_SIF1 AF17 SD_INCM_SIF1 AG17 SD_FB AD15 SD_FS AE16 SD_FS2 AE17 PLL_VAFE_AVDD1P2 AB16 PLL_VAFE_AVSS AA15 PLL_VAFE_TESTOUT AC16 RGB_HSYNC AG3 RGB_VSYNC AF4 I2S_CLK_IN AE18 I2S_CLK_OUT AF18 I2S_DATA_IN AD17 I2S_DATA_OUT AH19 I2S_LR_IN AD18 I2S_LR_OUT AG18 AUD_LEFT0_N AG26 AUD_LEFT0_P AH26 AUD_AVDD2P5_0 AF23 AUD_AVSS_0_1 AA20 AUD_AVSS_0_2 AB21 AUD_AVSS_0_3 AC22 AUD_A...

Страница 25: ...4 0 015uF C212 0 015uF C208 SIDE_LIN PC_L_IN COMP_L_IN_1 PC_R_IN COMP_R_IN_1 SIDE_RIN TP213 TP211 TP212 SIDE_INCM 5 1 R225 5 1 R229 5 1 R227 5 1 R226 5 1 R228 COMP1_INCM AV1_INCM PC_INCM TP214 COMP2_INCM TP210 2 7K R221 2 7K R222 D3 3V 3 3K R239 3 3K R247 4 7 u F C200 4 7uF C201 4 7 u F C228 4 7 u F C231 4 7 u F C218 4 7 u F C233 4 7uF C258 4 7 u F C264 4 7 u F C254 4 7 u F C256 4 7 u F C266 0 4 7...

Страница 26: ...WER_4 FLASH_WP KRC103S Q10 FLASH_WP E B C FLASH_WP 0 R131 0 R91 0 R90 0 R87 READY 0 R94 0 R86 0 R88 0 R96 0 R97 0 R98 0 R139 100 R147 0 R178 100 R179 NAND04GW3B2DN6E IC500 26 NC_17 27 NC_18 28 NC_19 29 I O0 30 I O1 31 I O2 32 I O3 33 NC_20 34 NC_21 35 NC_22 36 VSS_2 37 VDD_2 38 NC_23 39 NC_24 40 NC_25 41 I O4 42 I O5 43 I O6 44 I O7 45 NC_26 46 NC_27 47 NC_28 48 NC_29 17 AL 3 NC_3 6 NC_6 16 CL 15 ...

Страница 27: ...C_SDA 5 VCC 24V 20V 17V _5 12 I2C_SCL 11 GND_2 2 VCC 24V 20V 17V _2 19 GND_5 18 IR 10 RESET 4 VCC 24V 20V 17V _4 1 VCC 24V 20V 17V _1 17 GND_4 9 GND_1 8 INTERRUPT 3 VCC 24V 20V 17V _3 16 UART_TX 7 DETECT 6 VCC 24V 20V 17V _6 15 UART_RX GND_6 20 21 SHIELD EPHY_TDN 002 B4 1000pF C1201 5 5V D1202 5 5V D1201 A2 5V CIS21J121 L1200 XRJV 01V D12 180 JK1200 1 TDP 2 TD_CT 3 TDN 4 RDP 5 RD_CT 6 RDN 7 NC 8 G...

Страница 28: ......

Страница 29: ...ATSC Group Brazil Team Great Company Great People Last updated 2009 11 14 Brazil BBTV Training manual Brazil BBTV Training manual Contents Block Diagram System Design Trouble Shooting Guide ...

Страница 30: ...aximum ramp up time restriction RESET should be held active during ramp up and at least 10ms after all voltages are above 95 of their specified nominal levels Power Up Sequence either 1 2V 1 8V 2 5V 3 3V either 1 2V 1 8V 2 5V 3 3V Reset Input Min 100us Min 10ms 1 2V rail at 1 14V 1 8V rail at 1 71V 2 5V rail at 2 375V 3 3V rail at 3 135V 95 All power rails above minimum operating voltage ...

Страница 31: ...Customer Oriented R D Breakthrough 10년 GP2 BR Chassis Power sequence A2 5V D3 3V D1 8V D11 2V 844ms A2 5V D3 3V D1 2V D1 8V ...

Страница 32: ...Customer Oriented R D Breakthrough 10년 GP2 BR Chassis SYS_RESET 43 2ms OK A2 5V D1 2V D1 8V SYS_RESET ...

Страница 33: ...Customer Oriented R D Breakthrough 10년 GP2 BR Chassis ramp up time check 10년 GP2 BR Chassis ramp up time ALL OK D1 2V 14ms D1 8V 3 28ms A2 5V 376 D3 3V 1 76ms ...

Страница 34: ...Customer Oriented R D Breakthrough 10년 GP2 BR PDP Audio amp reset spec On power up reset be held low 222ms 100 ...

Страница 35: ...X EEPROM 24LC512 0xXX Soft Touch LED IR Soft Touch LED IR Micom uPD78F0513 0x50 60ms Micom uPD78F0513 0x50 60ms CH3 CH3_3 3V DEMOD MN886644 0x9E DEMOD MN886644 0x9E Audio AMP TAS5713 0x36 Audio AMP TAS5713 0x36 HDMI S W TDA19997 0xB0 HDMI S W TDA19997 0xB0 CH0_3 3V PDP Module 0x1C PDP Module 0x1C Wireless Download 0xXX Wireless Download 0xXX ...

Страница 36: ...IO EPHY_ACTIVE_Y 27 IO HDMI_POWER_1 26 IO HDMI_HPD_1 25 IO HDMI_OPT_2 23 IO AUD_MASTER_CLK 22 IO MODEL_OPT_0 20 IO BCM_TX 16 IO BCM_RX 15 IO RST_HUB 14 IO BT_RESET 13 IO DSUB_DET 12 IO MODEL_OPT_1 11 IO HDMI_HPD_3 10 IO HDMI_HPD_4 7 IO SIDE_AV_DET 5 IO MODEL_OPT_5 4 IO MODEL_OPT_4 3 Description Direction Signal Name GPIO GPIO Structure ...

Страница 37: ...R 53 IO DDC_SDA 52 IO DDC_SCL 51 RF_SWITCH_CTRL IO MODEL_OPT_2 47 IO HDMI_POWER_4 46 IO HDMI_POWER_3 45 IO FE_TS_VAL 44 IO WIRELESS_DL_TX 43 IO WIRELESS_DL_RX 42 BT_ON OFF IO MODEL_OPT_3 41 IO COMPOSITE1_SW 36 IO HDMI_POWER_2 35 IO TUNER_RESET 33 IO VREG_CTR 32 Description Direction Signal Name GPIO GPIO Structure ...

Страница 38: ...Customer Oriented R D Breakthrough GPIO Structure ...

Страница 39: ...Customer Oriented R D Breakthrough GPIO Structure ...

Страница 40: ...Customer Oriented R D Breakthrough GPIO Structure ...

Страница 41: ...HDMI L800 IC800 HDMI S W IC504 DCDC A3 3V L514 D3 3V IC601 LDO 3 3V_DE 1 2V_DE L703 L702 3 3V_AU_AVDD 3 3V_DVDD IC700 AUDIO AMP TU600 DEMOD L801 3 3V_HDMI IC800 HDMI S W IC500 NAND Flash IC102 NVRAM TU600 TUNER IR SPDIF Bluetooth IC1000 NAND GATE IC1100 USB HUB IC502 LDO D2 5V L504 Ethernet D1 2V D1 8V D3 3V 5V_TU P_17V L505 IC700 AUDIO AMP IC505 DCDC L511 TU600 TUNER L704 17V_AMP L1201 Q1201 FET ...

Страница 42: ...Shooting 12 Component RGB AV Audio Trouble Shooting 13 HDMI Audio Trouble Shooting 14 USB Trouble Shooting 15 Digital TV Recording Fail Trouble Shooting 16 Analog TV Recording Fail Trouble Shooting 17 AV Video Recording Fail Trouble Shooting 18 Digital TV Video Trouble Shooting while recording Watch Record 19 Digital TV Audio Trouble Shooting while recording Watch Record 20 Analog TV Video Trouble...

Страница 43: ... IC504IC500 L502 L514 Recheck Y N Check Voltage Level 2 5V at L504 N Replace one of IC502 L504 Recheck N Y Check Voltage Level 1 8V at L503 N Replace one of IC501 L503 Recheck N Y Check Voltage Level 1 2V at L510 N Replace one of IC503 L510 Recheck N Y Check X200 Clock 54MHz N Replace X200 Y Check signal transition at IC500 9 pin N Maybe BCM3556 has troubles Replace IC500 Flash Memory Y Check All ...

Страница 44: ...able ISDB T PAL NTSC System DVR Scalar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wireless...

Страница 45: ...ce Y Check P202 TXAC TXAC TXBC TXBC N Y Check LVDS Cable N Replace Cable Y Check PDP Module Check 5V Voltage Level at L501 N Replace one of L501 Recheck Y Maybe BCM3556 IC100 has troubles It should satisfy the Pixel Clock on CAS Electrical Specifications Power Supply Sequence Input Signal Timing Specification Control Signal Register Check CAS Check P500 5V_ON Check P202 DISP_EN Check GPIO Path of ...

Страница 46: ...Customer Oriented R D Breakthrough No OSD Trouble Shooting Module Power Sequence ...

Страница 47: ...gnal X1 output N Y SCL continue SDA continue ACK By Slave 9 1 D0 D7 9 ACK By Slave Command Data for Addr Stop By Master D6 SCL 8 SDA 0 0 1 1 1 A7 W Start By Master Chip ID Address Byte 0x1C ACK By Slave 0 1 9 1 A6 A1 A0 Command Address Addr A 7 0 0 Write only Master Image Board Slave PDP Module Sample Signal on R244 R252 SCL SDA ACK signal Check Low OK High Error Replace X1 N Check SMPS cable N Y ...

Страница 48: ...IF1 Cable ISDB T PAL NTSC System DVR Scalar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wir...

Страница 49: ...32 R629 R630 N Maybe Demodulator has problems Y Maybe BCM3556 IC100 has problems Check Tuner TU600 Power 5 0V 3 3V 1 2V N Replace one of Bead Recheck Y Check IF Signal pin 17 18 N Maybe Tuner has problems Y Check Demodulator Power 3 3V 1 2V L604 IC601 N Replace L604 IC601 Y Check Demodulator X TAL X600 N Replace X TAL Y ...

Страница 50: ...IF1 Cable ISDB T PAL NTSC System DVR Scalar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wir...

Страница 51: ...oting Check RF Cable Y Check CVBS Signal TU600 11 Pin N Y Check CVBS Signal C328 N Replace one of C328 R308 Q602 R621 Recheck Y N Y Check Tuner Power 5 0V 3 3V 1 2V Replace one of L601 L600 L602 Recheck Maybe Tuner TU600 has problems Maybe BCM3556 IC100 has problems ...

Страница 52: ...IF1 Cable ISDB T PAL NTSC System DVR Scalar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wir...

Страница 53: ...rted signal Y Check Component Jack1001 N Y Check Component Signal L1005 L1004 L1003 L1000 L1001 L1002 N Replace one of L1005 L1004 L1003 L1000 L1001 L1002 Recheck Y Check Component Signal C317 C318 C319 C320 C321 C322 N Replace it Y Y Check Component Cable Replace Jack Maybe BCM3556 IC100 has problems ...

Страница 54: ... Cable ISDB T PAL NTSC System DVR Scalar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wirele...

Страница 55: ...t supported signal Y Check RGB Jack JK901 N Y Y Check RGB Cable Replace Jack Check RGB Signal R912 R911 R910 N Replace It Recheck Y Check Sync Signal IC900 11 3 N Replace one of R900 R901 IC900 Recheck Y Check EEPROM IC901 N Replace it or re burn Recheck Y Maybe BCM3556 IC100 has problems ...

Страница 56: ...Cable ISDB T PAL NTSC System DVR Scalar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wireles...

Страница 57: ...000 N Y Check CVBS Signal R1005 R1004 N Y Check CVBS Signal C329 C330 R307 R309 R316 R321 N Replace one of C329 C330 R307 R309 R316 R321 Recheck Y Y Replace Jack Maybe BCM3556 IC100 has problems Check Signal Format Is it supported signal Check AV Cable Replace one of R1005 R1004 Recheck ...

Страница 58: ... Cable ISDB T PAL NTSC System DVR Scalar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wirele...

Страница 59: ...eck Signal Format Is it supported signal Y Check HDMI Jack JK802 JK803 JK801 JK800 N Y Y Check HDMI Cable Replace Jack Maybe BCM3556 IC100 has problems Y Re download EDID data N Replace IC800 N Check HDMI S W Power 1 8V 3 3V L800 L801 Replace one of L800 L801 Recheck Y ...

Страница 60: ...IF1 Cable ISDB T PAL NTSC System DVR Scalar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wir...

Страница 61: ...00 N Y Y Check Speaker Replace Connector Check Signal L700 L701 N Replace one of Capacitor Register Recheck Y Check IC700 Power 17V 3 3V L704 L703 L702 N Replace It Recheck Y Check BCM3556 I2S Output R702 R703 R704 N Replace It Recheck Y Maybe BCM3556 IC100 has problems Replace Speaker N N Maybe TAS5709 has problems Replace It ...

Страница 62: ...SIF1 Cable ISDB T PAL NTSC System DVR Scalar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wi...

Страница 63: ...through 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 ...

Страница 64: ...IF1 Cable ISDB T PAL NTSC System DVR Scalar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wir...

Страница 65: ...F Signal TU600 9 Pin N Y Check SIF Signal C308 N Replace one of R315 C308 Q603 C616 R622 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 3 3V 1 2V Replace one of L601 L600 L602 Recheck Maybe Tuner TU600 has problems SIF waveform sample Defend on the input signal ...

Страница 66: ...VE SIF1 Cable ISDB T PAL NTSC System DVR Scalar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless...

Страница 67: ...C316 N Check equipment Replace Jack Check Video Output Replace one of C317 C318 C319 C320 C321 C322C329 C330 C314 C315 C316 R912 R911 R910 R1005 L1002 L1001 L1000 L1005 L1004 L1003 R1004 Recheck N Follow procedure external input video trouble shooting Y Follow procedure All source audio trouble shooting N Maybe BCM3556 audio block has problems Replace It Comp Y Comp Pb Comp Pr ...

Страница 68: ...1 Cable ISDB T PAL NTSC System DVR Scalar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wirel...

Страница 69: ...o 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 IC800 N Check HDMI S W Power 1 8V 3 3V L800 L801 Replace one of L800 L801 Recheck Y ...

Страница 70: ...ble ISDB T PAL NTSC System DVR Scalar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wireless ...

Страница 71: ...ry to reboot the TV AC power off on Check USB 2 0 Cable Y Check USB HUB X TAL Check USB Input voltage D3 3V N Y Y Check USB device If device is 2 5 inch HDD Check power adaptor Replace X TAL X1100 Check input voltage Check 5V voltage level at analog switch IC1102 IC1101 N Replace one of IC1102 IC1101 Recheck Y Maybe BCM3556 IC100 has problems Replace It ...

Страница 72: ...IVE SIF1 Cable ISDB T PAL NTSC System DVR Scalar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireles...

Страница 73: ...shooting guide Y Maybe IC1100 has problems Replace It Only PK950 Check HDD N Replace HDD Y 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 ...

Страница 74: ...alar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wireless RX Box PHY PHY 16 Wireless Troubl...

Страница 75: ...ugh N Y Check I2C R1219 R1226 N Replace resister R1219 R1226 Recheck Y Maybe IC100 has problems Replace It Only PK950 Check 17V voltage Q1201 N Y Check JK1201 Replace JK1201 16 Wireless Trouble Shooting Replace one FET Q1201 Recheck ...

Страница 76: ...alar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wireless RX Box PHY PHY 17 Ethernet Troubl...

Страница 77: ...Customer Oriented R D Breakthrough N Y Maybe IC100 has problems Replace It Only PK950 Check 2 5V voltage L1200 N Y Check JK1200 Replace JK1200 17 Ehternet Trouble Shooting Replace one bead L1200 Recheck ...

Страница 78: ...calar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wireless RX Box PHY PHY 18 Wi Fi Trouble ...

Страница 79: ...heck JK1101 Replace JK1101 18 Wi Fi Trouble Shooting Replace one bead L501 Recheck N Replace IC IC1102 Recheck Check USB HUB IC IC1100 Voltage Æ 5 10 15 23 29 35 pin Y N Replace IC504 LDO Recheck N Replace IC IC1100 Recheck Check USB HUB IC IC1100 Æ 30 31 pin Y Maybe IC100 has problems Replace It Only PK950 Y ...

Страница 80: ...lar IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN HDMI0_BCM AV2 AV2_LR NANDFlash 512MB NANDFlash 512MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_BCM TDA9996 TDA9996 Comp1 2 RGB HDMI3 HDMI1 HDMI2 SIDE HDMI_PORT UI_HW_PORT1 UI_HW_PORT2 LAN HUB PK950 PK550 BT Module PK950 USB Demodulator MN884433 TP1 HDMI2 UI_HW_PORT3 LAN LAN HDMI Wireless Wireless RX Box PHY PHY 19 Bluetooth Troubl...

Страница 81: ...ough N Y Check DM DP Æ P1102 6 8 pin Check Multi 3 3V voltage R1114 N Y Check P1102 Replace P1102 19 Bluetooth Trouble Shooting Replace one resister R1114 Recheck N Replace B T Module Y Maybe IC100 has problems Replace It Only PK950 ...

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LG 50PK550, Руководство по обслуживанию

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