LG 65LA9709 Service Manual Download | Manualshive

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USB DOWN STREAM

U

S

B

D

O

W

N

S

T

R

E

A

M

THERMAL

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

USB_CTL1

/USB_OCD1

USB3_DM

R4501

10K

USB3_TX0M

+3.3V_NORMAL

+5V_USB_1

+5V_NORMAL

R4500

10K
OPT

IC4500

BD82020FVJ

3

IN_2

2

IN_1

4

EN

1

GND

5

OC

6

OUT_1

7

OUT_2

8

OUT_3

+5V_USB_1

D4401

RCLAMP0502BA

USB3_RX0P

D4402

RCLAMP0502BA

USB3_RX0M

D4400

RCLAMP0502BA

C4500
0.1uF
16V

USB3_DP

USB3_TX0P

+5V_USB_2

+5V_NORMAL

/USB_OCD2

USB_CTL2

R4302

10K

USB_CTL3

C4302
0.1uF
16V

+3.3V_NORMAL

+5V_USB_3

/USB_OCD3

R4301

10K

USB_DM2

D4300

RCLAMP0502BA

+5V_USB_2

USB_DP3

+5V_USB_3

JK4300

3AU04S-305-ZC-(LG)

1

2

3

4

5

USB_DM3

USB_DP2

D4302

RCLAMP0502BA

JK4302

3AU04S-305-ZC-(LG)

1

2

3

4

5

IC4306

TPS2066CDGNR

3

EN1

2

IN

4

EN2

1

GND

5

FLT2

6

OUT2

7

OUT1

8

FLT1

9

[EP]GND

JK4400

SJ113262

1

VBUS

2

D-

3

D+

4

GND

5

STDA_SSRX-

6

ST

7

GND_DRAIN

8

STDA_SSTX-

9

ST

10

SHIELD

ZD4301

5V

OPT

5V

ZD4302

OPT

ZD4300

5V

OPT

C4301

10uF

10V

C4310

10uF

10V

C4322

10uF

10V

C4337

10uF

10V

C4400

10uF

10V

C4501

10uF

10V

OCP USB1

OCP USB2/3

USB2 (2.0)

MAX 1.0A

USB3 (2.0)

MAX 1.0A

USB1 (3.0)

MAX 1.2A

BSD-NC4_H044-HD

2012-11-09

USB JACK

Copyright © 2013 LG Electronics. Inc. All rights reserved.

Only for training and service purposes

LGE Internal Use Only

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Summary of Contents for 65LA9709

Page 1: ... 65LA970V W 9 65LA970V W 9 ZA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL LED TV SERVICE MANUAL North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

Page 2: ...ight LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 13 EXPLODED VIEW 23 SCHEMATIC CIRCUIT DIAGRAM ...

Page 3: ...inals etc to be sure the set is safe to operate without 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 m...

Page 4: ...ctrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharg ing 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 e...

Page 5: ...he 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 replace...

Page 6: ...gium Russia Luxemburg Greece Czech Croatia Turkey Moroco Ireland Latvia Estonia Lithuania Poland Portugal Romania Albania Bosnia Serbia Slovakia Be ralus DTV MPEG2 4 DVB T2 8 countries UK Ireland Sweden Denmark Finland Norway Ukraine Kaza khstan Russia DTV MPEG2 4 DVB C 37 countries Germany Netherland Switzerland Hungary Austria Slovenia Bul garia France Spain Italy Belgium Russia Luxemburg Greece...

Page 7: ...l Bitrate_Mbit s 1 4 1 8 1 16 1 32 Modulation Code Rate QPSK 1 2 2 3 3 4 5 6 7 8 16 QAM 1 2 2 3 3 4 5 6 7 8 64 QAM 1 2 2 3 3 4 5 6 7 8 DVB T2 Guard Interval Bitrate_Mbit s 1 4 1 8 1 16 1 32 1 128 19 128 19 256 Modulation Code Rate QPSK 1 2 2 5 2 3 3 4 5 6 16 QAM 1 2 2 5 2 3 3 4 5 6 64 QAM 1 2 2 5 2 3 3 4 5 6 256 QAM 1 2 2 5 2 3 3 4 5 6 DVB C Symbolrate 4 0Msymbols s to 7 2 Msymbols s Modulation 16...

Page 8: ...2 DOS O 3 640 480 31 469 59 94 25 17 VESA VGA O 4 800 600 37 879 60 31 40 00 VESA SVGA O 5 1024 768 48 363 60 00 65 00 VESA XGA O 6 1152 864 54 348 60 053 80 VESA O 7 1280 1024 63 981 60 020 108 VESA SXGA O 8 1360 768 47 712 60 015 85 5 VESA WXGA O 9 1920 1080 67 5 60 00 148 5 WUXGA Reduced Blanking O 10 3840 2160 67 5 30 00 297 00 UD 11 3840 2160 56 25 25 00 297 00 UD 12 3840 2160 54 0 24 00 297 ...

Page 9: ...80 720 37 500 50 74 25 HDTV 720P 5 1920 1080 33 75 60 00 74 25 HDTV 1080I 2D to 3D Side by Side Half Top Bottom 6 1920 1080 28 125 50 00 74 25 HDTV 1080I 7 1920 1080 27 00 24 00 74 25 HDTV 1080P 2D to 3D Side by Side Half Top Bottom Checker Board Row Interleaving Column Interleaving 8 1920 1080 28 12 25 74 25 HDTV 1080P 9 1920 1080 33 75 30 00 74 25 HDTV 1080P 10 1920 1080 67 50 60 00 148 5 HDTV 1...

Page 10: ...ive Primary HDTV 720P HDTV 720P 15 44 96 45 59 94 60 148 35 148 5 4 Side by side Full HDTV 720P 16 1920 1080 33 72 33 75 59 94 60 74 18 74 25 5 Top and Bottom Side by side half Secondary HDTV 1080I Primary HDTV 1080I 17 67 432 67 50 59 94 60 148 35 148 5 5 Frame packing Line alternative Primary HDTV 1080I HDTV 1080I 18 33 72 33 75 59 94 60 148 35 148 5 5 Side by side Full HDTV 1080I 19 28 125 50 0...

Page 11: ... 25 2D to 3D Side by Side half Top Bottom HDTV 1080I 5 1920 1080 33 72 59 94 74 176 2D to 3D Side by Side half Top Bottom HDTV 1080I 6 1920 1080 28 12 50 74 25 2D to 3D Side by Side half Top Bottom HDTV 1080I 7 1920 1080 67 500 60 148 50 2D to 3D Side by Side half Top Bottom HDTV 1080P 8 1920 1080 67 432 59 94 148 352 2D to 3D Side by Side half Top Bottom HDTV 1080P 9 1920 1080 27 000 24 000 74 25...

Page 12: ... 8 USB DLNA Photo 3D 3D supported mode manually No Resolution H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode 1 1080p 33 75 30 74 25 Side by Side Half Top Bottom Checker Board MPO Photo JPS Photo No Resolution H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode 1 1024x768p 30 60 2D to 3D Side by Side Half Top Bottom 2 1280x720p 30 60 3 1920x1080p 30 60 4 Others 2D to 3D Remark ...

Page 13: ... is needed to find the optimum black level and gain in Analog to Digital device and to compensate RGB deviation 3 1 2 Equipment Condition 1 USB to RS 232C Jig 2 MSPG 925 Series Pattern Generator MSPG 925FA pattern 65 Resolution 480i Comp1 1080P Comp1 1920 1080P SCART RGB Pattern Horizontal 100 Color Bar Pattern Pattern level 0 7 0 1 Vp p Image 3 1 3 Adjustment 1 Adjustment method Using RS 232 adju...

Page 14: ... Confirm key input data at the IN START MENU Mode 3 3 4 DTCP Inspection Confirm Key input at the IN START MENU Mode Below DTCP check on IN START MENU is enabled only for Models which DTCP key tool option is ON Only EU suffix models DTCP key option is on ex 47LA790V ZA KEUYLJG 3 4 LAN PORT INSPECTION PING TEST Connect SET LAN port PC LAN Port 3 4 1 Equipment setting 1 Play the LAN Port Test PROGRAM...

Page 15: ...r D L like below photo 3 Input the Factory model name ex 47LM960V ZB or Serial number like photo 4 Check the model name Instart menu Factory name displayed ex 47LM960V ZB 5 Check the Diagnostics DTV country only Buyer model displayed ex 47LM960V ZB 3 6 CI Key checking method Check the Section 3 2 Check whether the key was downloaded or not at In Start menu Refer to below Check the Download to CI K...

Page 16: ...84 63 00 00 1E 01 1D 80 18 0x05 71 1C 16 20 58 2C 25 00 40 84 63 00 00 9E 01 1D 0x06 00 72 51 D0 1E 20 6E 28 55 00 40 84 63 00 00 1E 0x07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ⓔ2 0 1 2 3 4 5 6 7 8 9 A B C D E F 00 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 10 01 17 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26 20 0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80 30 01 01 01 01 01 01 02 3A 80...

Page 17: ... Ack A_00_okDDX RS 232C Command used during auto adjustment Ex wb 00 00 Begin white balance auto adj wb 00 10 Gain adj ja 00 ff Adj data jb 00 c0 wb 00 1f Gain adj completed wb 00 20 Start wb 00 2f end Off set adj wb 00 ff End white balance auto adj Adj Map START 6E A 50 A LEN A 03 A CMD A 00 A VAL A CS STOP Color Analyzer Computer Pattern Generator RS 232C RS 232C RS 232C Probe Signal Source If T...

Page 18: ...ecrease the R G 2 x y target i First decrease the B gain 3 x target y target i First decrease B so make y a little more than the target ii Adjust x value by decreasing the R 4 x target y target i First decrease B so make x a little more than the target ii Adjust x value by decreasing the G How to adjust 1 If G gain is adjusted over 172 and R gain and B gain less than 192 Adjust is O K 2 If G gain ...

Page 19: ...t pattern like below 2 When 3D OSD appear automatically then select OK key 3 Don t wear a 3D Glasses check the picture like below NC4 0 Aging time Min Cool Medium Warm X y x y x y 271 270 285 293 313 329 1 0 2 281 287 295 310 320 342 2 3 5 280 285 294 308 319 340 3 6 9 278 284 292 307 317 339 4 10 19 276 281 290 304 315 336 5 20 35 275 277 289 300 314 332 6 36 49 274 274 288 297 313 329 7 50 79 27...

Page 20: ...est result 1 After press LNB On key 18 V LED and 22 KHz tone LED should be ON 2 After press LNB OFF key 18 V LED and 22 KHz tone LED should be OFF 4 8 Inspection of light scattering Test Method 1 Push Power only key 2 Push HDMI hot key 3 Inspect whether light scattering is occurred in internal black pattern or not 4 Push Power only key 4 9 Option selection per country 4 9 1 Overview Option selecti...

Page 21: ...rm GND Internal Pressure auto check Unit fully inserted Power cord Antenna cable and A V arrive to the auto check process Connect D terminal to AV JACK TESTER Auto CONTROLLER GWS103 4 ON Perform GND TEST If NG Buzzer will sound to inform the operator If OK changeover to I P check automatically Remove CORD A V form AV JACK BOX Perform I P test If NG Buzzer will sound to inform the operator If OK Go...

Page 22: ...cally Download 3 Show the message Copying files from memory 4 Updating is starting 5 Updating Completed The TV will restart automatically 6 If your TV is turned on check your updated version and Tool option explain the Tool option next stage If downloading version is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared you...

Page 23: ...VIEW 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...

Page 24: ...5 SCL1 GPIO64 AR16 SDA1 GPIO79 AP16 SCL2 GPIO78 AP17 SDA2 GPIO77 AR17 SCL3 AP6 SDA3 AR6 SCL4 AH32 SDA4 AJ33 SCL5 AH34 SDA5 AH33 CAM_CE1_N F33 CAM_CE2_N F34 CAM_CD1_N GPIO76 D32 CAM_CD2_N GPIO75 E32 CAM_VS1_N GPIO86 G32 CAM_VS2_N GPIO85 G33 CAM_IREQ_N GPIO73 F32 CAM_RESET G34 CAM_INPACK GPIO74 D33 CAM_VCCEN_N GPIO87 H32 CAM_WAIT_N GPIO84 E33 CAM_REG_N GPIO72 D34 CAM_IOIS16_N GPIO83 H33 SC_CLK GPIO1...

Page 25: ...314 AL17 GND_315 AL18 GND_316 AL19 GND_317 AL20 GND_318 AL21 GND_319 AL22 GND_320 AL23 GND_321 AL24 GND_322 AL25 GND_323 AL26 GND_324 AL27 GND_325 AL28 GND_326 AL29 GND_327 AL30 GND_328 AL31 GND_329 AM8 GND_330 AM13 GND_331 AM14 GND_332 AM15 GND_333 AM16 GND_334 AM17 GND_335 AM18 GND_336 AM19 GND_337 AM20 GND_338 AM21 GND_339 AM22 GND_340 AM23 GND_341 AM24 GND_342 AM25 GND_343 AM26 GND_344 AM27 GN...

Page 26: ...7 AUDA_VBG_EXT P2 AUDA_OUTL N1 AUDA_OUTR N2 AUD_SCART_OUTL N3 AUD_SCART_OUTR P1 AUAD_L_CH4_IN P3 AUAD_R_CH4_IN R1 AUAD_L_CH3_IN R2 AUAD_R_CH3_IN T1 AUAD_L_CH2_IN U2 AUAD_R_CH2_IN U3 AUAD_L_CH1_IN V2 AUAD_R_CH1_IN V3 AUAD_R_REF U1 AUAD_M_REF T3 AUAD_L_REF T2 AUAD_REF_PO R3 ANTCON K17 RFAGC K18 IFAGC J18 ADC_I_INCOM U16 ADC_I_INP U17 ADC_I_INN V17 GPIO0 F3 GPIO1 F2 GPIO2 F1 GPIO3 G3 GPIO4 G2 GPIO5 G...

Page 27: ...LKN F2 M1_DDR_CKE N5 M1_DDR_ODT G6 M1_DDR_RASN F5 M1_DDR_CASN G5 M1_DDR_WEN H6 M1_DDR_RESET_N K5 M1_DDR_ZQCAL F6 M1_DDR_DQS 0 E2 M1_DDR_DQS_N 0 E1 M1_DDR_DQS 1 F3 M1_DDR_DQS_N 1 F4 M1_DDR_DQS 2 P1 M1_DDR_DQS_N 2 P2 M1_DDR_DQS 3 R3 M1_DDR_DQS_N 3 R4 M1_DDR_DM 0 G4 M1_DDR_DM 1 E3 M1_DDR_DM 2 T4 M1_DDR_DM 3 P3 M1_DDR_DQ 0 C4 M1_DDR_DQ 1 K3 M1_DDR_DQ 2 B3 M1_DDR_DQ 3 J4 M1_DDR_DQ 4 A3 M1_DDR_DQ 5 K2 M...

Page 28: ...PCM_IOWR CI_ADDR 4 R704 10K OPT CI_TS_DATA 0 PCM_IRQA CI_CD1 CI_IN_TS_VAL CI_TS_VAL CI_ADDR 1 CI_ADDR 11 PCM_INPACK CI_VS1 CI_TS_DATA 3 5V_CI_ON CI_TS_DATA 5 R710 0 OPT CI_ADDR 9 R709 10K CI R718 0 OPT CI_TS_DATA 7 5V_CI_ON CI_CD2 R711 10K OPT C706 0 1uF CI CI_DATA 0 7 R707 10K OPT CI_TS_DATA 6 R708 10K OPT CI_TS_DATA 4 CI_TS_SYNC C702 0 1uF CI R712 10K OPT CI_TS_DATA 2 CI_VS1 5V_CI_ON R719 10K OP...

Page 29: ... PWRGD 15 EN 16 VIN_3 5 AGND 8 RT CLK 6 VSENSE 4 GND_2 2 VIN_2 17 EP GND 3 5V_ST 3 5V_ST R2314 10K 24V PANEL_CTL R2313 1 3K L2320 3 3uH NR5040T3R3N D2300 40V B540C PANEL_VCC PWM_DIM2 1 0V_VDD R2327 1 5 6K 1 PD_20V RL_ON C2306 0 1uF 50V R2326 1 2K 1 PD_ 12V C2330 22uF 10V POWER_ON OFF2_2 C2320 47pF 50V C2331 0 1uF 50V C2346 10uF 10V 3 5V_ST R2302 11K 1 PWM_DIM Q2300 MMBT3906 NXP 1 2 3 R2344 51K 1 C...

Page 30: ... P27 ANI7 26 P26 ANI6 27 P25 ANI5 28 P24 ANI4 29 P23 ANI3 30 P22 ANI2 31 P21 ANI1 AVREFM 32 P20 ANI0 AVREFP 33 P130 34 P01 TO00 RXD1 35 P00 TI00 TXD1 36 P140 PCLBUZ0 INTP6 37 P120 ANI19 38 P41 TI07 TO07 39 P40 TOOL0 40 RESET 41 P124 XT2 EXCLKS 42 P123 XT1 43 P137 INTP0 44 P122 X2 EXCLK 45 P121 X1 46 REGC 47 VSS 48 VDD IC3000 1 R5F100GEAFB 30 MICOM_LEAD_Cu 1 P60 SCLA0 2 P61 SDAA0 3 P62 4 P63 5 P31 ...

Page 31: ...DET H_SPK_R H_SPK_L H_SPK_L H_SPK_R P3100 SMAW200 H16S2 55 65_Motor 14 GND 9 GND 4 12V 13 SPK_R 8 CTRL_B 3 OPEN_DET 12 GND 7 CTRL_A 2 12V 16 SPK_L 11 SPK_R 6 CTRL_D 1 CLOSE_DET 15 SPK_L 10 GND 5 CTRL_C 17 GND L3100 CIS21J121 IC3100 KID65003AF 55 65_Motor 3 I3 2 I2 4 I4 1 I1 6 I6 5 I5 7 I7 8 GND 9 COMMON 10 O7 11 O6 12 O5 13 O4 14 O3 15 O2 16 O1 IC3101 KID65003AF 55 65_Motor 3 I3 2 I2 4 I4 1 I1 6 I...

Page 32: ...217 0 1uF 16V VA3203 ESD_HDMI HDMI_CLK HDMI_RX1 I2C_SCL5 IC3200 AZ1117BH 1 2TRE1 1 GND ADJ 2 OUT 3 IN CEC_REMOTE D1 _HDMI3 HDMI_RX2 C3211 0 1uF 16V CK _HDMI1 C3212 1uF 10V D2 _HDMI3 5V_HDMI_2 R3214 33 D1 _HDMI1 D3206 30V MBR230LSFT1G Q3200 MMBT3904 NXP E B C 5V_HDMI_3 C3226 0 1uF 16V OPT D1 _HDMI1 R3220 47K R3233 5 1K 5 1 16W D2 _HDMI2 D0 _HDMI3 DDC_SDA_1 5V_HDMI_3 D2 _HDMI3 D13_HDMI_TX2P D2 _HDMI...

Page 33: ...1 16W 5 R3409 100 1 16W 5 HP_OUT R3403 330K R3404 150 1 10W 5 R3405 150 1 10W 5 C3402 47pF 50V JK3400 PEJ038 4G6 JACK_PARK EAG61030012 3 M3_DETECT 4 M4 5 M5_GND 1 M1 6 M6 JK3403 PEJ038 3B6 EAG61030009 JACK_PARK 3 DETECT 4 L 5 GND 1 R JK3402 PEJ038 4Y6 JACK_PARK EAG61030011 3 M3_DETECT 4 M4 5 M5_GND 1 M1 6 M6 JK3401 JSTIB15 C GND B VCC A VIN 4 SHIELD C3403 0 1uF 16V JK3400 1 KJA PH 1 0177 2 JACK_KS...

Page 34: ...AMOTECH CO LTD Q4000 MMBT3904 NXP LOGO_LIGHT E B C L4001 BLM18PG121SN1D R4001 10K LOGO_LIGHT WIFI_DP R4006 100 3 5V_WOL WIFI_DM R4007 100 R4009 10K 5 M_REMOTE_CTS M_REMOTE_RTS LOGO_LIGHT_WAFER R4012 100 LOGO_LIGHT_WAFER P4000 SMAW200 H12S2 WOL RTS TX USB_DM CTS GND 3 3V GND RX 3 5V_WOL RESET USB_DP C4008 47pF 50V C4009 47pF 50V R4014 10K 3 3V_NORMAL C4012 1000pF 50V C4013 47pF 50V OPT C4014 47pF 5...

Page 35: ... 0 1uF CAMERA 3 3V_NORMAL USB2_HUB_IC_IN_DP USB_CAMERA_DM R4204 0 CAMERA CAM_SLIDE_DET C4211 33pF 50V CAMERA R4211 33 CAMERA 3 3V_NORMAL 3 5V_ST RST_HUB USB_CAMERA_DP CAM_CTL R4212 33 CAMERA R4219 10K OPT USB2_HUB_IC_IN_DM C4214 33pF 50V CAMERA R4205 0 CAMERA USB_DM3 R4218 10K CAMERA AUD_LRCK R4217 10K 1 16W 5 CAMERA R4216 100K CAMERA USB_DM3 R4210 0 CAMERA C4201 0 1uF CAMERA AUD_LRCH P4200 12507W...

Page 36: ... 5V_USB_2 5V_NORMAL USB_OCD2 USB_CTL2 R4302 10K USB_CTL3 C4302 0 1uF 16V 3 3V_NORMAL 5V_USB_3 USB_OCD3 R4301 10K USB_DM2 D4300 RCLAMP0502BA 5V_USB_2 USB_DP3 5V_USB_3 JK4300 3AU04S 305 ZC LG 1 2 3 4 5 USB_DM3 USB_DP2 D4302 RCLAMP0502BA JK4302 3AU04S 305 ZC LG 1 2 3 4 5 IC4306 TPS2066CDGNR 3 EN1 2 IN 4 EN2 1 GND 5 FLT2 6 OUT2 7 OUT1 8 FLT1 9 EP GND JK4400 SJ113262 1 VBUS 2 D 3 D 4 GND 5 STDA_SSRX 6 ...

Page 37: ...3 AUDIO_L_OUT 4 AUDIO_GND 5 B_GND 6 AUDIO_L_IN 7 B_OUT 8 ID 9 G_GND 10 G_OUT 11 R_GND 12 R_OUT 13 RGB_IO 14 SYNC_GND 15 SYNC_OUT 16 SYNC_IN 17 COM_GND 18 AV_DET 19 SHIELD C4803 4700pF EU SC_FB VA4802 5 6V EU L4801 BLM18PG121SN1D EU SC_B SC_R C4804 0 1uF EU SC_ID SC_R_IN R4801 10K EU VA4806 5 6V EU VA4809 5 6V EU SC_L_IN C4802 4700pF EU SC_DET VA4801 5 6V EU DTV MNT_R_OUT C4800 1000pF 50V EU L4800 ...

Page 38: ... P3 TD 4 P4 RD 5 P5 RD 6 P6 CT 7 P7 8 P8 12 SHIELD 9 P9 11 P11 10 P10 GND D1 YL_C D2 YL_A D3 GN_C D4 GN_A EPHY_RDP LAN_JACK_POWER VA5100 5 5V C5100 0 1uF 16V EPHY_TDN JK5100 1 TLA 6T764 LAN_TDK 1 R1 2 R2 3 R3 4 R4 5 R5 6 R6 7 R7 8 R8 12 SHIELD 9 R9 11 R11 10 R10 GND D1 YL_C D2 YL_A D3 GN_C D4 GN_A C5103 0 01uF 50V EPHY_TDP VA5103 5 5V C5101 0 01uF 50V C5102 0 1uF 16V VA5101 5 5V EPHY_RDN R5100 0 5...

Page 39: ...06 33 3 5V_ST Q4300 MMBT3904 NXP E B C C4325 4 7uF 10V R5212 1 5K 1 16W 1 R5204 2 49K 1 EPHY_RDP C5212 0 1uF OPT EPHY_RDN EPHY_TDP IC5200 RTL8201F VB CG 1 RSET 3 MDI 0 7 AVDD33_1 9 RXD 0 10 RXD 1 11 RXD 2 INTB 12 RXD 3 CLK_CTL 13 RXC 14 DVDD33 15 TXC 16 TXD 0 17 TXD 1 18 TXD 2 19 TXD 3 20 TXEN 21 PHYRSTB 22 MDC 23 MDIO 24 LED0 PHYAD 0 PMEB 25 LED1 PHYAD 1 26 CRS CRS_DV 27 COL 28 RXER FXEN 29 DVDD1...

Page 40: ...uF 16V C5629 330pF 50V R5610 470 3 3V_NORMAL R5606 33 24V_AMP WOOFER_MUTE C5616 0 033uF 50V C5637 2200pF 50V IC5600 TAS5733 1 OUT_A 2 PVDD_AB_1 3 PVDD_AB_2 4 BST_A 5 NC_1 6 SSTIMER 7 NC_2 8 PBTL 9 AVSS 10 PLL_FLTM 11 PLL_FLTP 12 VR_ANA 13 AVDD 14 A_SEL_FAULT 15 MCLK 16 OSC_RES 17 DVSSO 18 VR_DIG 19 PDN 20 LRCLK 21 SCLK 22 SDIN 23 SDA 24 SCL 25 RESET 26 STEST 27 DVDD 28 DVSS 29 GND 30 AGND 31 VREG ...

Page 41: ...50V WOOFER_STEREO C5706 0 1uF 16V WOOFER C5736 2200pF 50V WOOFER C5724 0 033uF 50V WOOFER C5703 10uF 10V WOOFER C5738 2200pF 50V WOOFER_STEREO R5710 10K OPT C5701 0 1uF 50V WOOFER C57151uF 25V WOOFER C5734 0 1uF 50V WOOFER_STEREO C5714 0 1uF WOOFER IC5700 TAS5733 WOOFER 1 OUT_A 2 PVDD_AB_1 3 PVDD_AB_2 4 BST_A 5 NC_1 6 SSTIMER 7 NC_2 8 PBTL 9 AVSS 10 PLL_FLTM 11 PLL_FLTP 12 VR_ANA 13 AVDD 14 A_SEL_...

Page 42: ...2200pF 50V R5805 18K 1 C5827 330pF 50V C5802 10uF 10V H_SPK_L R5806 15K 33 R5803 3 3V_NORMAL C5813 0 1uF R5800 0 C5807 0 047uF C5833 0 1uF 50V AUD_SCK L5805 NRS6045T100MMGK 10 0uH C58141uF 25V C5808 4700pF C5826 330pF 50V C5806 0 1uF C5817 0 1uF 50V L5803 NRS6045T100MMGK 10 0uH R5801 100 C5835 2200pF 50V R5811 18 1 16W C5824 0 033uF 50V GND 5 R5814 18 C5838 2200pF 50V IC5800 TAS5733 Height_SPK 1 O...

Page 43: ... MNT_L_OUT R6002 470K OPT Q6000 MMBT3904 NXP EU E B C R6000 2 2K EU 12V C6007 6800pF OPT SCART_AMP_L_FB R6010 470K OPT C6000 1uF 25V EU R6004 33K EU DTV MNT_R_OUT C6002 6800pF OPT Q6001 MMBT3904 NXP EU E B C L6000 EU SCART_Rout SCART_AMP_R_FB IC6000 AZ4580MTR E1 EU 3 IN1 2 IN1 4 VEE 1 OUT1 5 IN2 6 IN2 7 OUT2 8 VCC R6011 2 2K EU Q6002 RT1P141C T112 EU_SCART_MUTE_ISAHAYA E B C R6014 1K EU R6013 1K E...

Page 44: ..._OUT R6103 33K HP_OUT_MTK C6102 1uF 10V HP_OUT R6105 4 7K HP_OUT C6103 1uF 10V HP_OUT HP_ROUT_MAIN L6100 120 ohm HP_OUT BLM18PG121SN1D C6104 180pF HP_OUT_MTK R6106 43K 1 HP_OUT C6107 0 1uF 16V HP_OUT C6109 180pF HP_OUT_MTK R6102 33K HP_OUT_MTK HP_ROUT_AMP C6104 1 18pF HP_OUT_H13 C6109 1 18pF HP_OUT_H13 C6108 10pF 50V HP_OUT C6106 10pF 50V HP_OUT IC6100 TPA6138A2 3 OUTR 2 INR 4 GND_1 1 INR 6 VSS 5 ...

Page 45: ...ANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 5V_CI_ON 5V_NORMAL R6217 100 CI C6210 1uF 25V CI R6218 10K CI PCM_5V_CTL IC6200 AP2151WG 7 CI 3 FLG 2 GND 4 EN 1 OUT 5 IN R6219 10K CI 62 CI SLOT 2011 10 31 CI POWER ENABLE CONTROL Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 46: ...4 CGND 15 CLK 16 RST 17 VCC 18 PORADJ 19 CMDVCC 20 RSTIN 21 VDD 22 GND 23 OFF 24 XTAL1 25 XTAL2 26 I OUC 27 AUX1UC 28 AUX2UC R6309 22 JAPAN 3 3V_NORMAL C6300 0 1uF 16V JAPAN C6303 0 1uF 16V JAPAN L6300 BLM18PG121SN1D JAPAN R6312 10K JAPAN R6311 22 JAPAN SMARTCARD_DATA SD_EMMC_CLK C6307 0 33uF 16V JAPAN 5V_NORMAL R6303 OPT 3 3V_NORMAL 3 3V_NORMAL R6304 2 7K JAPAN R6306 OPT R6314 1K JAPAN C6306 0 1u...

Page 47: ...SN1D TU_Q W_KR BR TW CO JP AU Q6501 MMBT3906 NXP TU_A_GLOBAL_6 7 E B C I2C_SCL4_TU R6513 10 TU_Q I2C_SCL4 I2C_SDA4 3 3V_TU R6508 1 1K 5 TU_N M W_TW BR CO C6503 0 1uF 16V TU_S N Q_T US KR TW AU R6502 10 TU_N M S2_RESET_TU R6510 33 NON_TU_W_BR TW CO FE_DEMOD1_TS_DATA 3 LNB_OUT R6531 1 C6531 0 1uF LNB_TX S2_RESET 1 23V_D_Demod C6516 0 1uF 16V TU_N M Q W_KR CN BR JP AU IC6503 AZ1117BH 1 8TRE1 1 ADJ GN...

Page 48: ...F B TU_W_JP 1 5V_OR_ 3 3V_SPLITTER 2 RESET_T1 3 SCL_T 4 SDA_T 5 3 3V_T1 6 NC_1 7 1 8V_T1 8 NC_2 9 NC_3 10 NC_4 11 NC_5 12 3 3V_T2 13 1 8V_T2 28 GND_2 29 GND_3 30 B5 1 23V 31 D_RESET 36 LNB 32 B6 3 3V 33 NC_6 34 D_SCL 35 D_SDA GND_4 37 GND_5 38 GND_6 39 TS1_ERROR 40 TS1_SYNC 41 TS1_VALID 42 TS1_MCLK 43 TS1_DATA 44 TS2_ERROR 45 TS2_SYNC 46 TS2_VALID 47 TS2_MCLK 48 TS2_DATA 49 NC_7 50 RESET_T2 51 LNA...

Page 49: ... 68 IC6801 MAX3232CDR EAN41348201 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 3 5V_ST C6810 0 1uF C6813 0 1uF R6821 100 SOC_RX ZD6803 20V ADUC 20S 02 010L OPT C6809 0 1uF C6812 0 33uF OPT SOC_TX ZD6802 ADUC 20S 02 010L 20V OPT C6811 0 1uF C6808 0 1uF R6820 100 JK6801 SPG13 SD 0402 1 2 3 4 5 6 7 8 9 10 RS 232C Control INTERFACE Copyrigh...

Page 50: ...V LNB_SX34 A_GND A_GND R6903 39K 1 16W 1 LNB A_GND D6903 40V LNB_SMAB34 D6904 40V LNB_SMAB34 LNB_TX C6904 0 1uF 50V LNB C6908 0 1uF LNB C6909 10uF 25V LNB C6912 0 1uF LNB C6902 0 22uF 25V LNB I2C_SCL4 C6900 18pF LNB C6901 33pF LNB IC6900 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 ...

Page 51: ... NC 3 NC 4 NC 5 NC 6 NC 7 LVDS_SEL 8 NC 9 NC 10 L DIM_ENABLE 11 GND 12 RA0N 13 RA0P 14 RA1N 15 RA1P 16 RA2N 17 RA2P 18 GND 19 RACLKN 20 RACLKP 21 GND 22 RA3N 23 RA3P 24 RA4N 25 RA4P 26 GND 27 BIT_SEL 28 RB0N 29 RB0P 30 RB1N 31 RB1P 32 RB2N 33 RB2P 34 GND 35 RBCLKN 36 RBCLKP 37 GND 38 RB3N 39 RB3P 40 RB4N 41 RB4P 42 GND 43 GND 44 GND 45 GND 46 GND 47 NC 48 VLCD 49 VLCD 50 VLCD 51 VLCD 52 GND PA168_...

Page 52: ...VSSQ_3 N5 VSSQ_4 P4 VSSQ_5 P6 NC_1 A1 NC_2 A2 NC_3 A8 NC_4 A9 NC_5 A10 NC_6 A11 NC_7 A12 NC_8 A13 NC_9 A14 NC_10 B1 NC_11 B7 NC_12 B8 NC_13 B9 NC_14 B10 NC_15 B11 NC_16 B12 NC_17 B13 NC_18 B14 NC_19 C1 NC_20 C3 NC_22 C7 NC_23 C8 NC_24 C9 NC_25 C10 NC_26 C11 NC_27 C12 NC_28 C13 NC_29 C14 NC_30 D1 NC_31 D2 NC_32 D3 NC_33 D4 NC_34 D12 NC_35 D13 NC_36 D14 NC_37 E1 NC_38 E2 NC_39 E3 NC_40 E12 NC_41 E13...

Page 53: ...R12039 0 I2C_SCL2 R12043 1K R12038 0 D13_SPI_DI_M R12042 0 P12002 12507WS 10L 1 2 3 4 5 6 7 8 9 10 11 R12044 0 OPT R12040 0 R12047 0 R12041 0 SPI_DL_MODE R12045 0 OPT D13_SPI_CS GPIO 0 D13_SPI_DO_M IC12000 LG1132 D13 IC_D13 XTALI R2 XTALO R1 PORES_N A18 TRST_N0 E1 TMS0 C3 TCK0 D1 TDI0 B1 TDO0 D3 TRST_N1 E2 TMS1 B3 TCK1 D2 TDI1 B2 TDO1 C2 UART_RXD0 B10 UART_TXD0 A10 UART_RXD1 B9 UART_TXD1 A9 SPI_SC...

Page 54: ... R12113 1K 1 D13_DDR0_VREFCA D13_DDR0_VREFDQ D13_DDR1_VREFCA D13_DDR1_VREFDQ VDDC15_D13_DDR VDDC15_D13_DDR IC12000 LG1132 D13 IC_D13 DDR_A 0 T11 DDR_A 1 T13 DDR_A 2 T9 DDR_A 3 T7 DDR_A 4 U16 DDR_A 5 U8 DDR_A 6 U15 DDR_A 7 T8 DDR_A 8 T15 DDR_A 9 T10 DDR_A 10 U17 DDR_A 11 U14 DDR_A 12 U13 DDR_A 13 U10 DDR_A 14 T14 DDR_A 15 T12 DDR_BA 0 U7 DDR_BA 1 T16 DDR_BA 2 U11 DDR_U_CK V15 DDR_U_CK_N W15 DDR_D_C...

Page 55: ...P14 DVDD15_DDR_11 P15 DVDD15_DDR_12 P16 DVDD15_DDR_13 P17 DVDD25_OTP J6 AVDD25_HDMI_1 K6 AVDD25_HDMI_2 L6 AVDD25_PLL U2 DVDD33_1 E10 DVDD33_2 E11 DVDD33_3 E12 DVDD33_4 G6 DVDD33_5 J15 DVDD33_6 K15 DVDD33_7 L15 DVDD33_XTAL U1 VREF0_DDR W1 VREF1_DDR W20 VSS_1 A2 VSS_2 A3 VSS_3 A8 VSS_4 A15 VSS_5 A19 VSS_6 B8 VSS_7 B15 VSS_8 B18 VSS_9 B19 VSS_10 B20 VSS_11 C4 VSS_12 C5 VSS_13 C6 VSS_14 C7 VSS_15 C8 V...

Page 56: ... AM4 RB0P AL4 RB1N AK4 RB1P AL5 RB2N AK5 RB2P AL6 RBCKN AM6 RBCKP AK6 RB3N AM7 RB3P AL7 RB4N AK7 RB4P AL8 RC0N AK8 RC0P AL9 RC1N AM9 RC1P AK9 RC2N AM10 RC2P AL10 RCCKN AK10 RCCKP AL11 RC3N AK11 RC3P AL12 RC4N AM12 RC4P AK12 RD0N AM13 RD0P AL13 RD1N AK13 RD1P AL14 RD2N AK14 RD2P AL15 RDCKN AM15 RDCKP AK15 RD3N AM16 RD3P AL16 RD4N AK16 RD4P AL17 RE0N AK17 RE0P AL18 RE1N AM18 RE1P AK18 RE2N AM19 RE2P...

Page 57: ...SRXA1N AK28 LVDSRXA1P AJ28 LVDSRXA2N AJ30 LVDSRXA2P AJ29 LVDSRXA3N AH30 LVDSRXA3P AH29 LVDSRXA4N AG30 LVDSRXA4P AG29 LVDSRXACLKN AG28 LVDSRXACLKP AG27 LVDSRXB0N AF30 LVDSRXB0P AF29 LVDSRXB1N AE30 LVDSRXB1P AE29 LVDSRXB2N AD30 LVDSRXB2P AD29 LVDSRXB3N AC30 LVDSRXB3P AC29 LVDSRXB4N AB30 LVDSRXB4P AB29 LVDSRXBCLKN AC28 LVDSRXBCLKP AC27 LVDSRXC0N AA30 LVDSRXC0P AA29 LVDSRXC1N Y30 LVDSRXC1P Y29 LVDSRXC...

Page 58: ...CKn_IN HTPDBn Q203 AO3438 HTPDn_pullup G D S HTPDAn R211 1 5K HTPDn_pullup R223 0 HTPDn_pullup HTPDn_up 3 3V R222 10K HTPDn_pullup HTPDAn R224 0 HTPDBn R220 0 OPT HTPDn_IN R221 0 HTPDn_pullup HTPDn_up 1 8V 1 8V 3 3V 1 8V R225 1 IC2000 AZ1117BH 1 8TRE1 1 ADJ GND 2 OUT 3 IN L_DIM_EN R230 0 OPT C218 10uF 25V C219 10uF 25V IC200 PA168 ES HSTXN H4 HSTXP H5 VSTXN E1 VSTXP E2 EVSTXN G4 EVSTXP G5 CLKTXN J...

Page 59: ...8 MMDA12 MMDA15 MMDA13 MMDA9 MMDA4 MMDA7 MMDA1 MMDA19 AVDD_DDR_PA1 C313 0 1uF 16V C316 0 1uF 16V C317 0 1uF 16V C320 10uF 10V C318 0 1uF 16V C319 1uF 10V C321 10uF 10V OPT C314 0 1uF 16V C315 0 1uF 16V IC100 PA168 ES MDM1_0 C16 MDM0_1 C13 MDM2 C27 MDM3 E28 MDQS1N_0 B16 MDQS1P_0 A16 MDQS0N_1 B12 MDQS0P_1 A12 MDQS2N B27 MDQS2P A27 MDQS3N E29 MDQS3P E30 MCK0N D18 MCK0P E19 MCK1N A23 MCK1P B23 MCKE D2...

Page 60: ...2 MMDB15 MMDB0 MMDB21 MMDB1 MMDB2 MMDB24 MMDB27 C418 0 1uF 16V C414 0 1uF 16V C421 10uF 10V OPT C419 1uF 10V C420 10uF 10V C415 0 1uF 16V C416 0 1uF 16V AVDD_DDR_PA2 C417 0 1uF 16V C413 0 1uF 16V IC200 PA168 ES MDM1_0 C16 MDM0_1 C13 MDM2 C27 MDM3 E28 MDQS1N_0 B16 MDQS1P_0 A16 MDQS0N_1 B12 MDQS0P_1 A12 MDQS2N B27 MDQS2P A27 MDQS3N E29 MDQS3P E30 MCK0N D18 MCK0P E19 MCK1N A23 MCK1P B23 MCKE D20 MODT...

Page 61: ...TN B6 TDO AH25 SPICS0 U4 SPICLK M5 SPITXD N5 SPIRXD P5 SPI2TXD T5 UARTRXD0 C7 UARTTXD0 A5 UARTRXD1 AG25 UARTTXD1 AF24 GPIOD0 E4 GPIOD1 C3 GPIOD2 C2 GPIOD3 D3 GPIOD4 D2 GPIOD5 C1 GPIOD6 E3 GPIOD7 D1 GPIOE0 D10 GPIOE1 E11 GPIOE2 B8 GPIOE3 C9 GPIOE4 E10 GPIOE5 A7 GPIOE6 D9 GPIOE7 C8 LVDSRXTESTOUT AF25 XIN AJ2 XOUT AJ1 IC200 PA168 ES TWOWSCL0 AG24 TWOWSDA0 AH24 TWOWSCL1 E6 TWOWSDA1 B4 TWOWSCL2 A4 TWOW...

Page 62: ...V OPT P602 12507WS 04L WAFER STRAIGHT 1 2 3 4 5 R714 0 3 3V SDA_M1_B GPIOB0_A 3 3V R704 4 7K SCL_M2_A R705 1 2K SCL_S_A SDA_M2_A SDA_S_B R716 0 OPT SCL_S_B GPIOB1_A SCL_M1_B R708 1 2K R715 0 OPT SDA_S_A R710 4 7K R711 0 SCL_M1_A R712 0 R718 0 SDA_M1_A R713 0 R717 0 3 3V R706 4 7K R707 4 7K P601 12507WS 04L WAFER STRAIGHT 1 2 3 4 5 IC700 W25Q16BVSSIG TRAY 3 WP IO2 2 DO IO1 4 GND 1 CS 5 DI IO0 6 CLK...

Page 63: ...4 7K RSTn_A C700 0 1uF OPT SW701 JTP 1127WEM 1 2 4 3 RSTn_B SW703 JTP 1127WEM 1 2 4 3 C702 0 1uF OPT R745 4 7K R739 0 R746 0 R743 0 SLVRST0_B SLVRST0_A PA168_AB_Reset PA168_AB_Reset 3 3V 3 3V R741 0 R749 0 OPT R751 1K R738 10K SLVRST0_A R740 0 C701 0 1uF OPT 3 3V MDS62110215 M701 OPT MDS62110215 M702 OPT MDS62110215 M703 OPT 10 22 2013 03 18 P_RESET Master A Master B EAX65309301 Copyright 2013 LG ...

Page 64: ...IOE1_B R822 1K OPT GPIOE0_B R818 0 R815 0 GPIOE2_B R829 10K OPT R824 10K R825 10K OPT GPIOE3_B R816 0 GPIOB6_A R834 0 GPIOB7_A R833 0 GPIOD7_A R831 0 R832 0 GPIOE5_A GPIOE6_A R830 0 GPIOB6_B R843 0 GPIOB7_B R842 0 R840 0 GPIOD7_B R841 0 GPIOE5_B GPIOE6_B R839 0 R836 0 GPIOB2_B GPIOB2_A R838 0 GPIOB3_A R835 0 GPIOB3_B R837 0 3 3V 3 3V R804 0 R812 1K GPIOD7_B R826 10K GPIOD7_A R811 10K R827 1K P911 ...

Page 65: ...A_TCK_B PA_TCK_A PA_TMS_A U_TX0_A TESTEN_B R910 10K OPT U_RX0_A R903 0 R908 10K PA_TDO_A R905 10K R925 10K PA_TMS_B PA_TRST_B PA_TRST_A R930 10K OPT 3 3V U_RX0_B 3 3V U_TX0_B R900 0 R933 10K R913 10K P1909 12505WS 10A00 PA168_JTAG 1 2 3 4 5 6 7 8 9 10 11 RSTn_A 3 3V P909 12505WS 10A00 PA168_JTAG 1 2 3 4 5 6 7 8 9 10 11 P900 12507WS 04L WAFER STRAIGHT 1 2 3 4 5 P901 12507WS 04L WAFER STRAIGHT 1 2 3...

Page 66: ... VSS_82 AG16 VSS_83 AG18 VSS_84 AG21 VSS_85 AH5 VSS_86 AH7 VSS_87 AH9 VSS_88 AH11 VSS_89 AH13 VSS_90 AH15 VSS_91 AH17 VSS_92 AH19 VSS_93 AH21 VSS_94 AK1 VSS_95 AK3 VSS_96 AK5 VSS_97 AK7 VSS_98 AK9 VSS_99 AK11 VSS_100 AK13 VSS_101 AK15 VSS_102 AK17 VSS_103 AK19 VSS_104 AK21 VSS_105 AK26 OSCVDD1V AH4 DPLLVDD1V AK2 VDD1V_34 AE7 VDD1V_1 L12 VDD1V_2 L14 VDD1V_3 L16 VDD1V_4 M12 VDD1V_5 M13 VDD1V_6 M15 V...

Page 67: ...AB28 LVRVSS_18 AC25 LVRVSS_19 AD26 LVRVSS_20 AD28 LVRVSS_21 AE27 LVRVSS_22 AF26 LVRVSS_23 AF28 LVRVSS_24 AH26 LVRVSS_25 AH28 LVRVSS_26 AK30 DIFRXVSS_1 H28 DIFRXVSS_2 K26 DIFRXVSS_3 K28 LVTVSS_1 G1 LVTVSS_2 H3 LVTVSS_3 K3 LVTVSS_4 K5 LVTVSS_5 L5 LVTVSS_6 M3 LVTVSS_7 N4 LVTVSS_8 P3 LVTVSS_9 R5 LVTVSS_10 T3 LVTVSS_11 T11 LVTVSS_12 V3 LVTVSS_13 V11 LVTVSS_14 W5 LVTVSS_15 Y3 LVTVSS_16 Y11 LVTVSS_17 AA4...

Page 68: ... VSS_82 AG16 VSS_83 AG18 VSS_84 AG21 VSS_85 AH5 VSS_86 AH7 VSS_87 AH9 VSS_88 AH11 VSS_89 AH13 VSS_90 AH15 VSS_91 AH17 VSS_92 AH19 VSS_93 AH21 VSS_94 AK1 VSS_95 AK3 VSS_96 AK5 VSS_97 AK7 VSS_98 AK9 VSS_99 AK11 VSS_100 AK13 VSS_101 AK15 VSS_102 AK17 VSS_103 AK19 VSS_104 AK21 VSS_105 AK26 OSCVDD1V AH4 DPLLVDD1V AK2 VDD1V_34 AE7 VDD1V_1 L12 VDD1V_2 L14 VDD1V_3 L16 VDD1V_4 M12 VDD1V_5 M13 VDD1V_6 M15 V...

Page 69: ...AB28 LVRVSS_18 AC25 LVRVSS_19 AD26 LVRVSS_20 AD28 LVRVSS_21 AE27 LVRVSS_22 AF26 LVRVSS_23 AF28 LVRVSS_24 AH26 LVRVSS_25 AH28 LVRVSS_26 AK30 DIFRXVSS_1 H28 DIFRXVSS_2 K26 DIFRXVSS_3 K28 LVTVSS_1 G1 LVTVSS_2 H3 LVTVSS_3 K3 LVTVSS_4 K5 LVTVSS_5 L5 LVTVSS_6 M3 LVTVSS_7 N4 LVTVSS_8 P3 LVTVSS_9 R5 LVTVSS_10 T3 LVTVSS_11 T11 LVTVSS_12 V3 LVTVSS_13 V11 LVTVSS_14 W5 LVTVSS_15 Y3 LVTVSS_16 Y11 LVTVSS_17 AA4...

Page 70: ... H7 DQU0 D7 DQU1 C3 DQU2 C8 DQU3 C2 DQU4 A7 DQU5 A2 DQU6 B8 DQU7 A3 VREFCA M8 VREFDQ H1 ZQ L8 VDD_1 B2 VDD_2 D9 VDD_3 G7 VDD_4 K2 VDD_5 K8 VDD_6 N1 VDD_7 N9 VDD_8 R1 VDD_9 R9 VDDQ_1 A1 VDDQ_2 A8 VDDQ_3 C1 VDDQ_4 C9 VDDQ_5 D2 VDDQ_6 E9 VDDQ_7 F1 VDDQ_8 H2 VDDQ_9 H9 NC_1 J1 NC_2 J9 NC_3 L1 NC_4 L9 NC_6 T7 VSS_1 A9 VSS_2 B3 VSS_3 E1 VSS_4 G8 VSS_5 J2 VSS_6 J8 VSS_7 M1 VSS_8 M9 VSS_9 P1 VSS_10 P9 VSS_...

Page 71: ...2_TX UART1_RX UART1_TX UART1_RX R1928 33 FLASH_WP URSA7_stable R1930 0 IC1901 MX25L3206EM2I 12G 3 WP 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7 HOLD 8 VCC R1944 33 IC2500 LGE7410 RESET AA28 XTALO AM3 XTALI AL3 I2CS_SDA AJ22 I2CS_SCL AH23 I2CM_SDA AG24 I2CM_SCL VSYNC_LIKE1 AG25 GPIO 0 UART2_TX E8 GPIO 1 UART2_RX D8 GPIO 2 UART1_TX D9 GPIO 3 UART1_RX E9 SPI_CZ AE31 SPI_CK AD30 SPI_DI AD32 SPI_DO AE32 I...

Page 72: ... T13 VSS_153 U13 VSS_154 V13 VSS_155 W13 VSS_156 Y13 VSS_157 AC13 VSS_158 AD13 VSS_159 AE13 VSS_160 AF13 VSS_161 AG13 VSS_162 AH13 VSS_163 AJ13 VSS_164 B14 VSS_165 F14 VSS_166 G14 VSS_167 H14 VSS_168 J14 VSS_169 K14 VSS_170 L14 VSS_171 M14 VSS_172 N14 VSS_173 P14 VSS_174 R14 VSS_175 T14 VSS_176 U14 VSS_177 V14 VSS_178 W14 VSS_179 Y14 VSS_180 AC14 VSS_181 AD14 VSS_182 AE14 VSS_183 AF14 VSS_184 AG14...

Page 73: ...SN1D C2317 10uF 10V R2305 6 8K ZD2306 5V OPT 3 3V C2313 0 1uF 16V R2306 10K 1 15V IC2301 BD86106EFJ 3 AGND 2 VIN 4 FB 1 PGND 5 COMP 6 EN 7 SW_1 8 SW_2 9 EP C2319 47pF 50V OPT C2318 10uF 10V 12V C2314 6800pF 50V C2315 10uF 10V C2316 10uF 10V R2310 3 3K 1 12V L2204 MLB 201209 0120P N2 L2205 MLB 201209 0120P N2 L2203 MLB 201209 0120P N2 C1517 10uF 25V C1511 10uF 25V C1514 0 1uF 25V C1518 0 1uF 25V UD...

Page 74: ......

Page 75: ...LCD TV Repair Guide 13 years New Models Applicable Model LA965 Z LA970 Z Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 76: ...ory eMMC Memory 2 3 4 Micom for Key IR sensing HDMI switch Audio AMP LA965 Z wifi Local Key IR Motion assy Front Spk Power 2 Main processor_analog LG1152A 5 5 Woofer 4 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 77: ... 4 Micom for Key IR sensing HDMI switch Audio AMP LA970 Z wifi Local Key IR Motion assy Front Spk Power 2 Main processor_analog LG1152A 5 5 Built in Camera Height SPK Woofer 1 3 4 2 5 4 4 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 78: ...o processor Master PA168 DDR Memory Flash Memory Main B D 1 2 Power From PSU Module Power To Tcon Video processor Slave PA168 DDR Memory Flash Memory 3 LA965 Z LA970 Z Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 79: ... LAN WOL WOW H P AMP H13 LG1154D LED Logo Light CI CI HDMI3 MHL 1A OCP 1A OCP 1A X TAL 24MHZ Woofer HDMI1 SPDIF_OUT_ARC HEVC TS Height SPK RS 232C URSA7 Audio AMP Audio AMP USB HUB BUILT IN CAMERA MOTOR CTRL SW DET LVDS 41P LVDS 51P PA168 MASTER PA168 SLAVE 16 1Gb X 4 800Mhz DDR3 16 1Gb X 2 667Mhz DDR3 16 1Gb X 2 667Mhz DDR3 EEPROM Vby1 51P Vby1 41P T CON AUD_SCK LRCK LRCH AUD_LRCH1 Not applied fo...

Page 80: ... 24 SCL 23 SDA AR17 SDA2 GPIO7 7 AP17 SCL2 GPIO7 8 I2C_SDA2_SOC I2C_SCL2_SOC 3 3V_NOR 3 3k Ω 3 3k Ω 33 Ω 33 Ω P60 SCLA0 P61 SDAA0 24 23 SCL SDA D_SCL D_SDA IC6900 A8303SESTR T LNB 7 8 33 Ω 33 Ω SCL SDA AH32 SCL4 AJ33 SDA4 I2C_SDA 5 63 62 I2C_SCL5 33 Ω 33 Ω 3 3k Ω 3 3k Ω 3 3V_NOR CSCL CSDA IC102 R1EX24256BSAS0A NVRAM 6 5 33 Ω 33 Ω SCL SDA AH34 SCL5 AH33 SDA5 I2C_SDA 6 3 4 I2C_SCL6 33 Ω 33 Ω SCL_T S...

Page 81: ... Slot 100 Ω CI_TS_DATA 0 7 PCM_WE PCM_OE PCM_IRQA PCM_REG PCM_INPACK PCM_WAIT PCM_RST CI_DATA 0 7 CI_A_DATA 0 7 CI_ADDR 0 14 CI_A_ADDR 0 14 PCM_IORD PCM_IOWR PCM_CE2 PCM_CE1 CI_VS1 CI_CD1 CI_CD2 CI 5V Power detect PCM_5V_CTL 5V_CI_ON CI_TS_SYNC CI_TS_VAL CI_TS_CLK TP_DVB_DATA0 7 TPO_DATA 0 7 TPI_DATA 0 7 CI_DET1 D32 CAM_CD1_N CI_DET2 E32 CAM_CD2_N VS1 G32 CAM_VS1_N F33 CAM_CE1_N CARD_EN1 CARD_EN2 ...

Page 82: ... SCART 18P SC_CVBS_IN CVBS_IN2 SC_CVBS_IN_SOC SC_R SC_G SC_B SC_CVBS_IN_SOY PR1 Y1 PB1 SOY1_IN SC_L R_IN AUAD_L R_CH3_IN AUAD_L R_CH2_IN COMP1 AV1 DVI_L_IN AUAD_L R_CH2_IN PB2 Y2 SOY2 PR2_IN Tuner TU_CVBS TU_CVBS_ISOC CVBS_IN1 TUNER_SIF_TU DIF P N TUNER_SIF ADC_I_INP INN AAD_ADC_SIF ADC_I_INP INN SC_FB SC_ID SC_FB_SOC SC_ID_SOC SC1_SID SC1_FB Analogue Input Copyright 2013 LG Electronics Inc All ri...

Page 83: ...MP_RESET_N AMP_MUTE HP_L ROUT_MAIN HEADPHONE SIDE_HP_MUTE DACSCK DACLRCK DACLRCH MAIN WOOFER 4P wafer 2P wafer AUAD_L_CH1_IN AUAD_L_CH2_IN AUAD_L_CH3_IN AUDA_OUTL H13 LG1154 PHY0_ARC_OUT_0 SPDIF_OUT_ARC DTV MNT_L R_OUT TUNER_SIF SCL0 SDA0 LPF LPF TPA6138A2 Headphone AMP LPF LPF GPIO21 LINE OUT Phone Jack Tuner Audio I O Copyright 2013 LG Electronics Inc All rights reserved Only for training and se...

Page 84: ...FRC B D ULTRA HD Block diagram Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 85: ... Main PCB 2 PSU 3 WIFI ASSY 4 BT MOTION ASSY 5 IR PCB PCBs LA965 Z 1 2 5 3 4 6 6 Local Key 7 LED Driver 7 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 86: ...IFI ASSY 4 BT MOTION ASSY 5 IR PCB PCBs LA970 Z 1 2 5 3 4 6 6 Local Key 7 LED Driver 7 7 Interconnection 1 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 87: ...LA965V Series To Main 3 4 BT MOTION ASSY 5 Local Key PCB 1 IR Key PCB IR PCB WIFI ASSY BT MOTION ASSY WIFI ASSY Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 88: ...iding SPK unit 3 4 BT MOTION ASSY 5 Local Key PCB 1 IR Key PCB IR PCB WIFI ASSY BT MOTION ASSY WIFI ASSY Sliding SPK control PCB Assy Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 89: ...r auto on off 7 8 C Audio error No audio Normal video 8 9 Wrecked audio discontinuation noise 9 10 D Function error Remote control Local switch checking 10 MR13 operating checking 11 11 12 Wifi operating checking 12 13 Camera operating checking 13 14 External device recognition error 14 15 E Noise Circuit noise mechanical noise 15 16 F Exterior error Exterior defect 16 First of all Check whether t...

Page 90: ...Always check record S W Version and White Balance value before replacing the Main Board Replace Main Board Re enter White Balance value Precaution Established date Standard Repair Process Revised date 1 16 LCD TV Error symptom A Video error No video Normal audio A18 A1 A18 A4 A2 First of all Check whether all of cables between board is inserted properly or not Main B D Power B D LVDS Cable Speaker...

Page 91: ...eplace MAIN B D Y Replace Power Board and repair parts N End Standard Repair Process A Video error No video No audio A18 Established date Revised date 2 16 LCD TV Error symptom 2 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 92: ...ck Tuner soldering Normal Picture Y N Y Close Y Close By using Digital signal level meter By using Diagnostics menu on OSD Setting Set up Manual Tuning Check the Signal Signal strength Normal over 50 Signal Quality Normal over 50 Normal Picture Y Contact with signal distributor or broadcaster Cable or Air N Normal Picture Y Close N A4 Standard Repair Process Established date Revised date 3 16 LCD ...

Page 93: ...ce and cable Y External device Cable normal HDMI error Check external device and cable Replace Main FRC B D Replace Main FRC B D N N A Video error Color error A6 N Y End Replace module Request repair for external device cable Color error Check Test pattern A8 A7 Standard Repair Process Established date Revised date 4 16 LCD TV Error symptom 4 2013 01 31 Copyright 2013 LG Electronics Inc All rights...

Page 94: ...ting Jig pattern Generator Set top Box etc N Y Replace Main FRC B D Screen normal Check screen condition by input External Input Component HDMI DVI Request repair for external device Component error HDMI DVI Connect other external device and cable Check normal operation of External Input Component RGB and HDMI DVI by connecting Jig pattern Generator Set top Box etc Replace Main FRC B D Screen norm...

Page 95: ...put of Power B D N Y Normal voltage Replace Main B D Y OK Replace Main B D N Y Normal Check ST BY 3 5V Replace Power B D N Y Normal voltage Replace Power B D Y A17 A18 A18 A18 Standard Repair Process Established date Revised date 6 16 LCD TV Error symptom 6 Stand By Red or Turn Off Operating Turn Off Close 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and servi...

Page 96: ...by REMOTE CONTROL POWEROFF_OFFTIMER Power off by OFF TIMER POWEROFF_SLEEPTIMER Power off by SLEEP TIMER POWEROFF_INSTOP Power off by INSTOP KEY POWEROFF_AUTOOFF Power off by AUTO OFF POWEROFF_ONTIMER Power off by ON TIMER POWEROFF_RS232C Power off by RS232C POWEROFF_RESREC Power off by Reservated Record POWEROFF_RECEND Power off by End of Recording POWEROFF_SWDOWN Power off by S W Download POWEROF...

Page 97: ...air parts Check Speaker disconnection N Y Replace Speaker Replace MAIN Board End C Audio error No audio Normal video A20 A21 A18 Disconnection Established date Revised date 8 16 LCD TV Error symptom Standard Repair Process 8 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 98: ...and check other external device N Y Normal audio Check and fix external device Replace Power B D N Y Normal voltage Check input signal RF External Input signal Signal normal When RF signal is not received Request repair to external cable ANT provider Y Check audio B Voltage 24V Replace Main B D In case of External Input signal error Check and fix external device Replace Main B D N End Established ...

Page 99: ... of R C Check Repair Cable connection Connector solder Normal operating Check B 3 5V On Main B D A22 Normal Voltage Close N N Check 3 5v on Power B D Replace Power B D or Replace Main B D Power B D don t have problem A18 Check IR Output signal Normal Signal N Y Repair Replace IR B D N A22 Replace Main B D Y A22 Standard Repair Process Established date Revised date 10 16 LCD TV Error symptom 10 Y 2...

Page 100: ...ate 11 16 LCD TV Error symptom 11 Replace MR13 Turn off on the set and press the wheel Press the back key about 5sec Close If you conduct the loop at 3times change the M4 Y Check the INSTART menu RF Receiver ver is 00 00 Y Check Repair RF assy connection N Down load the Firmware INSTART MENU 14 RF Remocon Test 3 Firmware download Y RF Receiver ver is 00 00 N Close A23 A4 A4 2013 01 31 Copyright 20...

Page 101: ... N Check the Wifi wafer 1pin Standard Repair Process Established date Revised date 12 16 LCD TV Error symptom 12 Change the Wifi assy Normal Voltage Close Y Y N Replace Main B D Wi Fi Mac value is NG N Close A24 A4 A4 A24 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 102: ... Check the Camera wafer P4200 2pin Standard Repair Process Established date Revised date 13 16 LCD TV Error symptom 13 Change the Camera assy Normal Voltage Close Y Y N Replace Main B D Camera Ver is NG N Close A25 A4 A4 A25 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 103: ... device cable HDMI DVI Optical Recognition error Replace Main B D Replace Main B D Fix in accordance with technical information D Function error External device recognition error Established date Revised date 14 16 LCD TV Error symptom Standard Repair Process 14 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 104: ...ution manual For models without any fix information provide the description OR Mechanical noise is a natural phenomenon and apply the 1st level description When the customer does not agree apply the process by stage Describe the basis of the description in Part related to nose in the Owner s Manual E Noise Circuit noise mechanical noise Established date Revised date 15 16 LCD TV Error symptom Stan...

Page 105: ...e controller Remote controller damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date 16 16 LCD TV Error symptom Standard Repair Process 16 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 106: ...art A5 7 A Video error _Vertical Horizontal bar residual image light spot LCD TV connection diagram A6 8 A Video error_ Color error Check Link Cable EPI reconnection condition A7 1 A7 2 9 Adjustment Test pattern ADJ Key A8 10 Appendix Defected Type caused by T Con Inverter Module Exchange Main Board 1 A 1 5 11 Exchange Main Board 2 A 2 5 12 Exchange Power Board PSU A 3 5 13 Exchange Module 1 A 4 5...

Page 107: ...o audio Normal video Checking method in menu when there is no audio A20 20 Voltage and speaker checking method when there is no audio A21 21 D Function error Remote controller operation checking method A22 22 Motion Remote operation checking method A23 23 Wifi operation checking method A24 24 Camera operation checking method A25 25 E Etc Tool option changing method A26 Continued from previous page...

Page 108: ...ight with naked eye A Video error_No video Normal audio After turning on the power and disassembling the case check with the naked eye whether you can see light from 2 locations LCD TV A1 1 2013 01 31 LA965 Z Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 109: ...ight with naked eye A Video error_No video Normal audio After turning on the power and disassembling the case check with the naked eye whether you can see light from 2 locations LCD TV A1 2 2013 01 31 LA970 Z Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 110: ...ter recording the R G B GAIN Cut value of Color Temp Cool Medium Warm re enter the value after replacing the MAIN BOARD ALL MODELS Entry method 1 Press the ADJ button on the remote controller for adjustment 2 Enter into White Balance of item 9 3 After recording the R G B GAIN Cut value of Color Temp Cool Medium Warm re enter the value after replacing the MAIN BOARD 2013 01 31 Copyright 2013 LG Ele...

Page 111: ...air Process Detail Technical Manual TUNER input signal strength checking method A Video error_Video error video lag stop ALL MODELS A3 Established date Revised date Error symptom Content LCD TV A3 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 112: ...Checking method for remote controller for adjustment Press the IN START with the remote controller for adjustment Version ALL MODELS A4 Established date Revised date Error symptom Content LCD TV A4 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 113: ...m power supply finally replace the MAIN BOARD Standard Repair Process Detail Technical Manual TUNER checking part A Video error_Video error video lag stop ALL MODELS A5 Established date Revised date Error symptom Content LCD TV A5 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 114: ...bar residual image light spot As the part connecting to the external input check the screen condition by signal A6 Established date Revised date Error symptom Content LCD TV A6 ALL MODELS 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 115: ...o error_Color error Check the contact condition of the Link Cable especially dust or mis insertion A7 1 Established date Revised date Error symptom Content LCD TV A7 1 LA965 Z 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 116: ...deo error_Color error Check the contact condition of the Link Cable especially dust or mis insertion A7 Established date Revised date Error symptom Content LCD TV A7 2013 01 31 LA970 Z Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 117: ...using the ADJ Key Checking item 1 Defective pixel 2 Residual image 3 MODULE error ADD BAR SCAN BAR 4 Video error Classification of MODULE or Main B D A8 Established date Revised date Error symptom Content LCD TV A8 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 118: ...Solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Abnormal Power Section Solder defect Short Crack Abnormal Power Section Solder defect Short Crack Appendix Exchange Main Board 1 A 1 5 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 119: ...r Section Solder defect Short Crack Fuse Open Abnormal power section Noise GRADATION GRADATION Abnormal Display Appendix Exchange Main Board 2 A 2 5 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 120: ...ix Exchange Power Board PSU No Light Dim Light Dim Light Dim Light No picture Sound Ok A 3 5 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 121: ...ss damage Crosstalk Crosstalk Press damage Panel Mura Light leakage Press damage A 4 5 Un repairable Cases In this case please exchange the module Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 122: ...k Source TAB IC Defect Horizontal Block Gate TAB IC Defect Horizontal line Gate TAB IC Defect Gate TAB IC Defect Horizontal Block Gate TAB IC Defect Appendix Exchange the Module 2 A 5 5 Un repairable Cases In this case please exchange the module Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 123: ...Power error _No power A17 1 Established date Revised date Error symptom Content LCD TV A17 1 ST BY condition On or Off Power ON condition Turn Off 2013 01 31 LA965 Z Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 124: ...Power error _No power A17 2 Established date Revised date Error symptom Content LCD TV A17 2 ST BY condition On or Off Power ON condition Turn Off 2013 01 31 LA970 Z Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 125: ... Power error _No power LCD TV A18 Check the DC 24V 12V 3 5V 18 Pin Power Board Main Board 1 Power on 2 INV ON 3 3 5V 4 PDIM 1 5 3 5V 6 PDIM 2 7 GND 8 GND 9 24V 10 24V 11 GND 12 GND 13 12V 14 12V 15 12V 16 24V 17 GND 18 GND 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 126: ...ndard Repair Process Detail Technical Manual POWER OFF MODE checking method B Power error _Off when on off whiling viewing ALL MODELS A19 Established date Revised date Error symptom Content LCD TV A19 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 127: ...TV Speaker Standard Repair Process Detail Technical Manual Checking method in menu when there is no audio C Audio error_No audio Normal video ALL MODELS A20 Established date Revised date Error symptom Content LCD TV A20 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 128: ...put voltage remove and check the connector Connect the tester RX1 to the speaker terminal and if you hear the Chik Chik sound when you touch the GND and output terminal the speaker is normal Standard Repair Process Detail Technical Manual Voltage and speaker checking method when there is no audio C Audio error_No audio Normal video A21 Established date Revised date Error symptom Content LCD TV A21...

Page 129: ...condition it is normal when the Analog Tester needle moves slowly and defective when it does not move at all Standard Repair Process Detail Technical Manual Remote controller operation checking method D Function error A22 Established date Revised date Error symptom Content LCD TV A22 2013 01 31 LA965 Z LA970 Z Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purp...

Page 130: ...n between Motion assy Main board 3 Check the 3 3V on the terminal 2 Standard Repair Process Detail Technical Manual Motion Remote operation checking method Established date Revised date Error symptom Content LCD TV A23 A23 D Function error 2013 01 31 LA965 Z LA970 Z Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 131: ...checking method A24 Established date Revised date Error symptom Content LCD TV A24 D Function error 2013 01 31 P4000 1 3 5V_WOL 2 3 3V 3 USB_DM 4 RTS 5 USB_DP 6 RX 7 GND 8 TX 9 WOL 10 RESET 11 GND 12 CTS 13 NC 14 3 5V_ST OLED 15 IR OLED 16 GND LA965 Z LA970 Z Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 132: ...ecking method A25 Established date Revised date Error symptom Content LCD TV A25 D Function error 2013 01 31 LA970 Z P4000 1 CAM_SLIDE_DET 2 3 5V_CAM 3 AUD_LRCH 4 AUD_LRCK 5 AUD_SCK 6 GND 7 CAM_PWR_ON_CMD 8 ST_BY_DET_CAM 9 GND 10 USB_CAMERA_DP 11 USB_CAMERA_DM 12 GND Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 133: ...y has each password Standard Repair Process Detail Technical Manual Tool option changing method A26 Established date Revised date Error symptom Content LCD TV A26 ALL MODELS E Etc 2013 01 31 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

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