LG 60PB6500 Page 42 Service Manual Download | Manualshive

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LGE Internal Use Only

Copyright © 2014 LG Electronics Inc. All rights reserved.
Only for training and service purposes

(External Input)

AV1

AV1_LR

COMP1_LR

EXT_IN

(Comp1/

HDMI_Rear(D port)

SIDE HDMI_PORT

10. Digital TV Audio Trouble Shooting

(Front-end)

CVBS_LIVE
SIF1

Cable

ISDB-T/

PAL/NTSC

IF

TP1

Main IC

FHD

LVDS

EXT_IN

HDMI_D

CVBS_LIVE

TP1

( Scalar)

I2S_S7R

TAS5733

(Audio Out)

USB2.0

SPDIF

SIF_LIVE

I2S_S7LR

HDMI_C

Serial_Flash

1MB

(USB)

Side USB

Rear(0)

Side(1)

DDR2

64MB(32*2)

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Summary of Contents for 60PB6500

Page 1: ... eic lgservice com Asia Oceania http biz lgservice com Internal Use Only Printed in Korea P NO MFL68122504 1402 REV00 CHASSIS PB41A MODEL 60PB6500 60PB6500 SA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL PLASMA TV SERVICE MANUAL ...

Page 2: ...opyright LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 5 BLOCK DIAGRAM 11 EXPLODED VIEW 12 SCHEMATIC CIRCUIT DIAGRAM ...

Page 3: ...hout damage of electrical shock 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...

Page 4: ...ecification 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 followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC 4 Model General Specification No Item Specification Remark 1 Receiving Sys...

Page 5: ...Adjust 480i Comp Adjust 1080p Comp If it is necessary it can adjustment at Manufacture Line You can see set adjustment status at 9 ADJUST CHECK of the In start menu 3 2 Set Assembly Adjustment EDID The Extended Display Identification Data Color Temperature White Balance Adjustment Make sure RS 232C control Selection Factory output option 4 PCB Assembly Adjustment 4 1 Using RS 232C Adjust 3 items a...

Page 6: ...t MSPG 925FA Model 225 Pattern 65 Set Component 1080p mode and 100 Horizontal Color Bar Pattern HozTV31Bar then set TV set to Component 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 After Then Press key of Service remocon Right Arrow ...

Page 7: ...ttern 78 Connection Diagram Auto Adjustment Using Inner Pattern Using HDMI input NO Enter download MODE EDID data Model option download Item download Mode In download CMD 1 A A CMD 2 E E Data 0 0 Note1 0 Note2 When transfer the Mode In Carry the command Automatically download The use of a internal Data For write EDID data setting Jig and another instruments Item Adjust Mode Out Adjustment Confirma...

Page 8: ...bellowed one Manual adjustment sequence is like bellowed one Turn to Ez Adjust mode with press ADJ button of service remocon Select 10 Test Pattern with CH button and press enter Then set will go on Heat run mode Over 30 minutes set let on Heat run mode Let CA 210 to zero calibration and must has gap more 10cm from center of PDP module when adjustment Press ADJ button of service remocon and select...

Page 9: ...uzzer If its result is OK then automatically it turns to ESD Test Operate ESD test If its result is NG then notice with buzzer If its result is OK then process next steps Notice it with Good lamp and STOPER Down 6 3 Check Items Test Voltage GND 1 5KV min at 100mA Signal 3KV min at 100mA Test time just 1 second Test point GND test Test between Power cord GND and Signal cable metal GND ESD test Test...

Page 10: ...ow 23 Threshold Down High 70 Threshold Up High 75 8 USB DOWNLOAD epk file download Put the USB Stick to the USB socket Press Menu key and move OPTION Press FAV Press 7 times Select download file epk file After download is finished remove the USB stick Press IN START key of ADJ remote control check the S W version 9 Tool option Center Default COOL Mid Warm R Gain 192 192 192 G Gain 192 192 192 B Ga...

Page 11: ...X tal 24MHz Serial Flash 8M x 8bit DDR2 64Mbit IF AV COMP Hybrid Y CVBS Cb Cr AV COMP DVI L R L R HDMI Side TMDS DDC Video Front End Audio Front End HDMI RX LVDS out HD FHD HD SD Video Encoder TAS5733 Digital AMP I2S MCLK Audio DSP SPDIF Out UART RX TX Air Cable NTSC ATSC Side USB USB2 0 LVDS Con HD FHD IF ATSC Analog Demod IF NTSC EEPROM 64K x 8bit MODULE UART BLOCK DIAGRAM ...

Page 12: ...W Many 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...

Page 13: ...R123 33 EU R145 6 8K EU R153 5 6K EU AR103 33 EU R104 10K R114 10K EU R116 470K R148 15K EU AR105 33 EU R149 15K EU AR106 33 EU R126 12K R132 100 EU R138 2K EU AR109 33 EU AR110 33 EU R100 33 EU R101 33 EU AR108 33 EU R111 10K EU AR104 33 EU R124 10K R110 0 READY R127 12K R102 100 EU R130 33 EU R131 33 EU R165 10K EU R112 0 READY R133 10K EU R139 2K EU R105 1K GROWTH AR100 33 EU R154 5 6K EU R115 ...

Page 14: ... 16V MAX3232 C225 0 1uF 16V MAX3232 IC206 MAX3232CDR MAX3232 3 C1 2 V 4 C2 1 C1 6 V 5 C2 7 DOUT2 8 RIN2 9 ROUT2 10 DIN2 11 DIN1 12 ROUT1 13 RIN1 14 DOUT1 15 GND 16 VCC C229 0 1uF 16V MAX3232 JP241 C226 0 1uF 16V MAX3232 C220 10pF 50V JK204 JST1223 001 SPDIF JACK SOLTEAM 1 GND 2 VCC 3 VINPUT 4 FIX_POLE C219 0 1uF 16V C228 0 1uF 16V MAX3232 JK202 PPJ231 01 GROWTH 8 6 7 5 4 P603 12505WS 04A00 1 2 3 4...

Page 15: ..._1 3 IF_AGC 4 SCL 5 SDA A1 A1 B1 B1 R330 2 2K READY R331 2 2K READY 3 3V_S2_DE 3 3V_S2_DE TDJK T101F TU303 TU_BR_PA 47 SHIELD 6 IF P 7 IF N 8 NC_1 9 NC_2 1 B1 3 3V 2 RF_S W_CTL 3 IF_AGC 4 SCL 5 SDA A1 A1 B1 B1 TU302 TDJM K101F TU_CO 1 B1 3 3V 2 RF_SW_CTL 3 AIF_AGC 4 SCL_RF 5 SDA_RF 6 AIF P 7 AIF N 8 NC_1 9 NC_2 10 NC_3 11 NC_4 12 ERROR 13 GND_1 14 MCLK 15 SYNC 16 VAILD 17 D0 18 D1 19 D2 20 D3 21 D...

Page 16: ...4 GND_30 G15 GND_31 G16 GND_32 G17 GND_33 G18 GND_34 H7 GND_35 H8 GND_36 H9 GND_37 H10 GND_38 H11 GND_39 H12 GND_40 H13 GND_41 H14 GND_42 H15 GND_43 H16 GND_44 H17 GND_45 H18 GND_46 J7 GND_47 J8 GND_48 J9 GND_49 J10 GND_50 J11 GND_51 J12 GND_52 J13 GND_53 J14 GND_54 K8 GND_55 K10 GND_56 K11 GND_57 L10 GND_58 M5 GND_59 M7 GND_60 M8 GND_61 M9 GND_62 M10 GND_63 N4 GND_64 N5 GND_65 N6 GND_66 N7 GND_67...

Page 17: ... 49 50 51 52 C555 0 1uF IC505 W25Q80BVSSIG Winbond_OS 3 WP IO2 2 DO IO1 4 GND 1 CS 5 DI IO0 6 CLK 7 HOLD IO3 8 VCC C556 0 1uF P500 104060 8017 MO_FHD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 C517 10pF 50V C5...

Page 18: ...C612 0 1uF 16V F_NIM 1 2V_TU R615 1 F_NIM 3 3V_TU C605 1uF 25V F_NIM 3 3V_DDR L618 120 ohm 2A L604 120 ohm 2A 1 5V_DDR D600 5V READY R602 6 8K 1 16W 1 D601 2 5V READY 3 3V_TU R603 1 2K 1 16W 1 C700 10uF 25V LNB C705 10uF 25V LNB C706 10uF 25V LNB R613 11K 1 F_NIM R614 20K 1 F_NIM 5V_ST D602 5V L602 120 3 3V_ST C601 0 1uF 16V C600 1uF 25V R617 10K 1 R619 1 IC603 AP7361 Y 13 3 ADJ NC 2 GND 4 IN 1 EN...

Page 19: ...K MO_128M 128M_NON C1213 0 1uF EXT_DDR R1201 1K 1 EXT_DDR R1223 1K MO_DVB_T C C1209 0 01uF 50V EXT_DDR C1214 0 1uF EXT_DDR R1222 1K R1247 4 7K R1219 1K MO_S W_TW C1201 0 1uF EXT_DDR R1202 1K 1 EXT_DDR R1220 1K MO_S W_EU AJ C1205 10uF EXT_DDR R1213 0 READY C1202 1000pF EXT_DDR L1202 CB2012PK501T EXT_DDR R1227 1K MO_HD R1246 4 7K C1210 0 1uF EXT_DDR C1203 0 1uF EXT_DDR R1251 10K R1236 56 1 EXT_DDR R...

Page 20: ...0uF 25V LNB 12V_LNB C809 0 1uF LNB R803 33 LNB C805 0 1uF 50V LNB D804 40V LNB C813 0 1uF LNB IC801 A8303SESTR T LNB 1 VCP 3 NC_1 7 SCL 9 ADD 10 TONECTRL 11 TCAP 12 ISET 13 VREG 14 GND 15 VIN 16 LX 17 GNDLX 18 NC_2 19 NC_3 20 BOOST 5 TDO 8 SDA 6 IRQ 4 TDI 2 LNB 21 EP GND LNB_OUT LNB_TX DEMOD_SCL DEMOD_SDA TP1 TP2 TP3 TP4 LNB_CTL TP5 C800 18pF LNB C801 18pF LNB C802 33pF LNB DEMOD_SCL DEMOD_SDA D80...

Page 21: ...C908 10uF 10V 5V R921 10K R919 10K R920 10K Q901 E B C Q902 E B C VBUS_EN MHL_OCP_EN_OLD MHL_OCP_EN Q900 E B C R918 10K R922 20K R917 2 7K 3 3V MHL_OCP_EN_OLD 5V C900 100pF 50V READY C901 4700pF 50V C909 22uF 10V R914 5 6K 1 D901 30V MBR230LSFT1G TPS65282REGR IC900 1 EN 3 SS 7 FAULT2 9 SW_OUT2 10 RLIM 11 AGND 12 SW_OUT1 13 SW_IN_1 14 SW_IN_2 15 FB 16 LX_1 17 LX_2 18 BST 19 PGND_1 20 PGND_2 21 VIN_...

Page 22: ...43 BST_B 44 NC_5 45 NC_6 46 OUT_B 47 PGND_AB_1 48 PGND_AB_2 49 EP R1008 470 AMP_RESET C1037 2200pF 50V C1032 0 1uF 50V C1019 10uF 35V AUD_SCK C1034 0 1uF 50V 3 3V_AMP C10141uF 25V R1009 470 C1033 0 1uF 50V C1031 0 1uF 50V R1010 18 SPK_L C1018 0 1uF 50V C1015 0 033uF 50V R1003 33 C1024 0 033uF 50V AUD_MASTER_CLK C1028 330pF 50V C1007 0 047uF C1009 0 1uF 16V SPK_R C1029 0 47uF 50V C1012 2200pF 50V C...

Page 23: ......

Page 24: ... Video Trouble Shooting 5 Component Video Trouble Shooting 6 RGB Video Trouble Shooting 7 AV Video Trouble Shooting 8 HDMI Video Trouble Shooting 9 All Source Audio Trouble Shooting 10 Digital TV Audio Trouble Shooting 11 Analog TV Audio Trouble Shooting 12 Component RGB AV Audio Trouble Shooting 13 HDMI Audio Trouble Shooting 14 USB Trouble Shooting Please check system after power Off On one time...

Page 25: ...xternal Input EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7LR TAS5733 AV1 AV1_LR COMP1_LR EXT_IN Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7LR Comp1 HDMI_Rear D port SIDE HDMI_PORT HDMI_C Serial_Flash 1MB USB Side USB 1 Power Up Boot Fail Trouble Shooting Micom Rear 0 Side 1 Main IC inner PM DDR2 64MB 32 2 ...

Page 26: ...ck Y N Check Voltage Level 1 8V at R675 1 8V_DDR N Replace of the IC613 Recheck N Y Check Voltage Level 3 3V at L604 Main IC supply voltage N Replace of the IC600 Recheck N Y Check X400 Clock 24MHz N Replace X400 Y Check signal transition at IC505 N Maybe Serial Flash Memory problem Check signal transition IC504 Y Check All Voltage Level at Bead RL_ON IC400 output N Replace one of Bead IC400 Reche...

Page 27: ...LVDS Front end External Input EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7R TAS5733 AV1 AV1_LR COMP1_LR EXT_IN Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7LR Comp1 HDMI_Rear D port SIDE HDMI_PORT HDMI_C Serial_Flash 1MB USB Side USB Rear 0 Side 1 2 No OSD Trouble Shooting TP1 DDR2 64MB 32 2 ...

Page 28: ...r connector Y Y Check P500 P503 RXAC RXAC RXBC RXBC Display Enable N Y Check LVDS Cable N Replace Cable Y Check PDP Module Check 5V Voltage Level at L600 N Replace one of L600 Recheck Maybe IC400 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 P600 5V_ON Check GPIO Path o...

Page 29: ...ine Check Signal 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 SCL SDA ACK signal Check Low OK High Error Replace Control Board N Check SMPS cab...

Page 30: ...l Input CVBS_LIVE SIF1 Cable ISDB T PAL NTSC IF AV1 AV1_LR COMP1_LR EXT_IN Comp1 HDMI_Rear D port SIDE HDMI_PORT 3 Digital TV Video Trouble Shooting TP1 Main IC FHD LVDS EXT_IN HDMI_D CVBS_LIVE TP1 System Scalar I2S_S7R TAS5733 Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7LR HDMI_C Serial_Flash 1MB USB Side USB Rear 0 Side 1 DDR2 64MB 32 2 ...

Page 31: ...nly for training and service purposes 3 Digital TV Video Trouble Shooting Check RF Cable Y Maybe Mstar IC400 has problems Check Tuner Power 3 3V 1 1V N Replace one of Bead Recheck Y Check IF Signal pin N Maybe Tuner has problems Y Tuner I2C check ChangeTuner type at adjust menu ...

Page 32: ...l Input CVBS_LIVE SIF1 Cable ISDB T PAL NTSC IF AV1 AV1_LR COMP1_LR EXT_IN Comp1 HDMI_Rear D port SIDE HDMI_PORT 4 Analog TV Video Trouble Shooting TP1 Main IC FHD LVDS EXT_IN HDMI_D CVBS_LIVE TP1 System Scalar I2S_S7R TAS5733 Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7LR HDMI_C Serial_Flash 1MB USB Side USB Rear 0 Side 1 DDR2 64MB 32 2 ...

Page 33: ...c All rights reserved Only for training and service purposes 4 Analog TV Video Trouble Shooting Check RF Cable Y Check CVBS Signal N Y N Y Check Tuner Power 3 3V 1 1V Replace one of IC608 L606 Recheck Maybe Tuner has problems Maybe Mstar IC400 has problems ...

Page 34: ...nput CVBS_LIVE SIF1 Cable ISDB T PAL NTSC IF AV1 AV1_LR COMP1_LR EXT_IN Comp1 2 RGB HDMI_Rear D port SIDE HDMI_PORT 5 Component Video Trouble Shooting TP1 Main IC FHD LVDS EXT_IN HDMI_D CVBS_LIVE TP1 System Scalar I2S_S7R TAS5733 Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7LR HDMI_C Serial_Flash 1MB USB Side USB Rear 0 Side 1 DDR2 64MB 32 2 ...

Page 35: ... Check Signal Format Is it supported signal Y Check Component Jack JK210 N Y Check Component Signal R251 R252 R253 R106 R107 R108 Termination resistor N Replace one of R251 R252 R253 R106 R107 R108 Recheck Y Check Component Signal R429 R436 R438 R446 R444 R434 Main IC Input N Replace it Y Y Check Component Cable Replace Jack Maybe Mstar IC400 has problems ...

Page 36: ...t AV1 AV1_LR COMP1_LR EXT_IN Comp1 HDMI_Rear D port SIDE HDMI_PORT 6 AV Video Trouble Shooting Front end CVBS_LIVE SIF1 Cable ISDB T PAL NTSC IF TP1 Main IC FHD LVDS EXT_IN HDMI_D CVBS_LIVE TP1 System Scalar I2S_S7R TAS5733 Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7LR HDMI_C Serial_Flash 1MB USB Side USB Rear 0 Side 1 DDR2 64MB 32 2 ...

Page 37: ... service purposes 7 AV Video Trouble Shooting Y Check Jack JK211 JK208 N Y Check CVBS Signal R424 426 N Y Check CVBS Signal R4425 N Replace one of R4285 Recheck Y Y Replace Jack Maybe Mstar IC400 has problems Check Signal Format Is it supported signal Check AV Cable Replace one of R424 426 Recheck ...

Page 38: ... AV1 AV1_LR COMP1_LR EXT_IN Comp1 HDMI_Rear D port SIDE HDMI_PORT 8 HDMI Video Trouble Shooting Front end CVBS_LIVE SIF1 Cable ISDB T PAL NTSC IF TP1 Main IC FHD LVDS EXT_IN HDMI_D CVBS_LIVE TP1 System Scalar I2S_S7R TAS5733 Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7LR HDMI_C Serial_Flash 1MB USB Side USB Rear 0 Side 1 DDR2 64MB 32 2 ...

Page 39: ...Only for training and service purposes 8 HDMI Video Trouble Shooting Check Signal Format Is it supported signal Y Check HDMI Jack JK200 JK201 N Y Y Check HDMI Cable Replace Jack Check I2C Signal EEPROM R231 R2246 R207 R2208 N Replace It Recheck Maybe Mstar IC400 has problems Y ...

Page 40: ...1 AV1_LR COMP1_LR EXT_IN Comp1 HDMI_Rear D port SIDE HDMI_PORT 9 All Source Audio Trouble Shooting Front end CVBS_LIVE SIF1 Cable ISDB T PAL NTSC IF TP1 Main IC FHD LVDS EXT_IN HDMI_D CVBS_LIVE TP1 System Scalar I2S_S7R TAS5733 Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7LR HDMI_C Serial_Flash 1MB USB Side USB Rear 0 Side 1 DDR2 64MB 32 2 ...

Page 41: ...k Connector 601 N Y Y Check Speaker Replace Connector Check Signal L609 L602 L603 L610 N Replace one of Capacitor Register Recheck Y Check IC606 Power 17V 3 3V N Replace It Recheck Y Check Mstar S7R I2S Output AR600 N Replace It Recheck Y Maybe Mstar IC400 has problems Replace Speaker N N Maybe STA380 has problems Replace It Amp I2C check Check Reset signal R628 N Replace It Recheck IC101 Y ...

Page 42: ... AV1_LR COMP1_LR EXT_IN Comp1 HDMI_Rear D port SIDE HDMI_PORT 10 Digital TV Audio Trouble Shooting Front end CVBS_LIVE SIF1 Cable ISDB T PAL NTSC IF TP1 Main IC FHD LVDS EXT_IN HDMI_D CVBS_LIVE TP1 System Scalar I2S_S7R TAS5733 Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7LR HDMI_C Serial_Flash 1MB USB Side USB Rear 0 Side 1 DDR2 64MB 32 2 ...

Page 43: ... reserved Only for training and service purposes 10 Digital TV Audio Trouble Shooting Check video output Y Follow procedure All source audio trouble shooting Maybe Mster internal audio DSP has problems Replace It N Follow procedure digital TV video trouble shooting N ...

Page 44: ...1 AV1_LR COMP1_LR EXT_IN Comp1 HDMI_Rear D port SIDE HDMI_PORT 11 Analog TV Audio Trouble Shooting Front end CVBS_LIVE SIF1 Cable ISDB T PAL NTSC IF TP1 Main IC FHD LVDS EXT_IN HDMI_D CVBS_LIVE TP1 System Scalar I2S_S7R TAS5733 Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7LR HDMI_C Serial_Flash 1MB USB Side USB Rear 0 Side 1 DDR2 64MB 32 2 ...

Page 45: ...le Shooting Follow procedure analog TV video trouble shooting N Check video output Y Check SIF Signal N Y Follow procedure All source audio trouble shooting N Maybe Mstar audio block has problems Replace It N Y Check Tuner Power Replace one of IC608 IC604 IC602 Recheck Maybe Tuner has problems SIF waveform sample Defend on the input signal ...

Page 46: ...AV1_LR COMP1_LR EXT_IN Comp1 HDMI_Rear D port SIDE HDMI_PORT 12 Component AV Audio Trouble Shooting Front end CVBS_LIVE SIF1 Cable ISDB T PAL NTSC IF TP1 Main IC FHD LVDS EXT_IN HDMI_D CVBS_LIVE TP1 System Scalar I2S_S7R TAS5733 Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7LR HDMI_C Serial_Flash 1MB USB Side USB Rear 0 Side 1 DDR2 64MB 32 2 ...

Page 47: ...ing and service purposes 12 Component RGB AV Audio Trouble Shooting Y Check Jack JK211 JK202 JK205 N Y Replace Jack Check Video Output N Follow procedure external input video trouble shooting Follow procedure All source audio trouble shooting N Maybe Mstar audio block has problems Replace It ...

Page 48: ...AV1 AV1_LR COMP1_LR EXT_IN Comp1 HDMI_Rear D port SIDE HDMI_PORT 13 HDMI Audio Trouble Shooting Front end CVBS_LIVE SIF1 Cable ISDB T PAL NTSC IF TP1 Main IC FHD LVDS EXT_IN HDMI_D CVBS_LIVE TP1 System Scalar I2S_S7R TAS5733 Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7LR HDMI_C Serial_Flash 1MB USB Side USB Rear 0 Side 1 DDR2 64MB 32 2 ...

Page 49: ...All rights reserved Only for training and service purposes 13 HDMI Audio Trouble Shooting Check video output Y Follow procedure All source audio trouble shooting N Maybe Mstar audio block has problems Replace it N Follow procedure HDMI video trouble shooting ...

Page 50: ...put AV1 AV1_LR COMP1_LR EXT_IN Comp1 HDMI_Rear D port SIDE HDMI_PORT 14 USB Trouble Shooting Front end CVBS_LIVE SIF1 Cable ISDB T PAL NTSC IF TP1 Main IC FHD LVDS EXT_IN HDMI_D CVBS_LIVE TP1 System Scalar I2S_S7R TAS5733 Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7LR HDMI_C Serial_Flash 1MB USB Side USB Rear 0 Side 1 DDR2 64MB 32 2 ...

Page 51: ...g Exception 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 JK209 N Y Y Check USB device If device is 2 5 inch HDD Check power adaptor Replace Jack Check 5V voltage level N Replace IC204 Recheck Y Maybe Mstar IC400 has problems Replace It ...

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