LG 50PY3D 60PY3D Service Manual Download Page 3

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LGE Internal Use Only

SPECIFICATIONS.................................................................4

ADJUSTMENT INSTRUCTIONS ..........................................5

BLOCK DIAGRAM ..............................................................11

EXPLODED VIEW...............................................................20

EXPLODED VIEW PARTS LIST .........................................21

SCHEMATIC DIAGRAM..........................................................

PRINTED CIRCUIT BOARDS .................................................

TABLE OF CONTENTS

Summary of Contents for 50PY3D 60PY3D

Page 1: ...ANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS PA75A MODEL 50PY3D 50PY3DF UJ CANADA http biz lgservice com USA http www lgservice com http biz lgservice com Internal Use Only ...

Page 2: ...switch in the on positioin connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measured resistance should be between 1MΩ and 5 2MΩ When the exposed metal has no return path to the chassis the reading must be ...

Page 3: ...l right reserved Only for training and service purposes LGE Internal Use Only SPECIFICATIONS 4 ADJUSTMENT INSTRUCTIONS 5 BLOCK DIAGRAM 11 EXPLODED VIEW 20 EXPLODED VIEW PARTS LIST 21 SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARDS TABLE OF CONTENTS ...

Page 4: ... 370 0 mm 53 5 x 32 4 x 3 8 inches 1360 0 x 822 0 x 95 5 mm 126 8 pounds 57 5kg 107 0 pounds 48 5kg 63 5 x 40 8 x 17 8 inches 1613 6 x 1036 8 x 452 0 mm 63 5 x 38 2 x 3 9 inches 1613 6 x 970 0 x 98 5 mm 178 6 pounds 81 0kg 143 3 pounds 65 0kg AC100 240V 50 60Hz NTSC M ATSC 64 256 QAM VHF 2 13 UHF 14 69 CATV 1 135 DTV 2 69 CADTV 1 135 75 ohm 32 104 F 0 40 C Less than 80 4 140 F 20 60 C Less than 85...

Page 5: ... POWER ON Key on the Service Remote Control S R C Enter the Ez Adjust by pressing ADJ Key on the Service Remote Control S R C Select 10 Test Pattern using the CH Key and select the White by pressing the direction Key Display the 100 Full White Pattern Set is activated HEAT RUN without signal generator in this mode O HEAT RUN Preliminary action is applied to the test for afterimage discharge detect...

Page 6: ... M M to Vs pin of P812 and connect terminal to GND pin of P812 2 Adjust VR951 voltage to match that of the label on the Top Right of the panel Deviation 0 5V 3 3 Adjustment 50 1 Va Adjustment 1 Connect terminal of D M M to Va pin of P12 and connect terminal to GND pin of P12 2 Adjust VR951 voltage to match that of the label on the Top Right of the panel Deviation 0 5V 2 Vs Adjustment 1 Connect ter...

Page 7: ...HozTV31Bar in 1080p Mode and select Normal in screen 3 After receiving signal for at least 1 second press the ADJ Key on the Service R C to enter the Ez Adjust and select the 4 ADC 1080p Comp1 RGB Pressing the Enter Key to adjust automatically component1 4 When the adjustment is over ADC Component1 Success is displayed If the adjustment has errors ADC Component1 1080p Fail is displayed 5 After the...

Page 8: ...8E 21 00 00 18 8C 0A 50 D0 8A 20 E0 2D 10 10 3E 96 00 13 8E 21 00 00 18 60 26 36 80 A0 70 38 1F 40 30 20 25 00 C4 8E 21 00 70 00 1A 00 00 00 00 00 00 00 00 00 00 00 00 00 17 EDID for HDMI 3 DDC Display Data Channel Data EDID table 0 1 2 3 4 5 6 7 8 9 A B C D E F __________________________________________________ 0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 10 00 11 01 03 80 73 41 96 0A CF 74 ...

Page 9: ...displayed When you set the Option to INNER the default is always set to INNER 1 Connect the set according to the internal pattern or HDMI input in accordance with measuring device connection diagram 2 Set the Baud Rate of RS 232C to 115200 It is set to 115200 as default 3 Connect the RS 232C Cable to the set 4 Connect the HDMI Cable to the set Limited to the set with HDMI option 5 Select and adjus...

Page 10: ...Zero Calibration for CA 210 Probe and put it at distance of less than 10Cm from the PDP module surface center during the adjustment 5 Select 7 White Balance of Ez Adjust by pressing the ADJ KEY on the Service R C Then enter adjustment mode by pressing the Right KEY G The internal pattern of full white appears by pressing G 6 The adjustment is conducted in three levels of color temperature COOL MED...

Page 11: ...NT Tuner 64Bit I F Reset CVBS CVBS Y C Y Cb Cr R G B H V Sync RGB PC HDMI 0 1 2 COMP 1 COMP 2 AV 1 AV 2 RGB PC Audio L R I2S MNT out L R SPDIF OUT I2S RS 232C Dead IC when Standby Option Alive IC when Standby Video Audio Video Front End Dual HDMI Rx HD SD Video Encoder Audio DSP BCM3553 MCLK MCLK HDMI CEC HDMI CEC To Micom To Micom SDA SCL SIF IF AT Buffer Single LVDS Connector Digital out FHD Loc...

Page 12: ... IF_P from TUNER for DTV IF_N from TUNER for DTV CVBS 1 EEPROM FOR EDID DDC SDA DDC SCL RGB V_Sync LVDS_Tx Out Only for HD Component_1 S W Component_2 S W Rear_CVBS_ S W RGB S W GPIO 0 6 Comp2_Y Comp2_Pb Comp2_Pr RGB_G RGB_B RGB_R DDC SCL to Micom for Download LPF 6 Mhz LPF 30Mhz LPF 30Mhz LPF 30Mhz LPF 30Mhz LPF 30Mhz LPF 30Mhz LPF 6 Mhz LPF 6 Mhz LPF 6 Mhz DDC SDA to Micom for Download DVO Out 0...

Page 13: ...x Out HDMI 2 TMDS2 RX0 TMDS2 RX1 TMDS2 RX2 TMDS2 RXCLK DDC SDA2 DDC SCL2 EEPROM For EDID HDMi CEC 5V Power_2 Hot Plug Detect_2 TMDS341A TMDS0 INPUT DDC SDA DDC SCL TMDS1 INPUT TMDS2 INPUT TMDS RX0 TMDS RX1 TMDS RX2 TMDS RXCLK Hot Plug Detect_0 TMDS Out TMDS_Rx Input HDMi_Sel_0 HDMi_Sel_1 HDMi_Sel_2 Hot Plug Detect_1 Hot Plug Detect_2 5V Power_0 5V Power_1 5V Power_2 GPIO 0 8 Switch Selection DDC I...

Page 14: ...WM MODULATOR POWER AMP NTP3000 SIF IN Broadcom BCM3553 AUD_SPDIF ANA L R IN ANA L R MC33078 ANA L R ANA L R OUT CS5340 BCM_MCLK BCM_MCLK I2S_CLK_IN I2S_DATA_IN I2S_LR_IN RESET RESET I2S_CLK_OUT I2S_DATA_OUT I2S_LR_OUT NTP3000 I2S_CLK_OUT DATA_OUT LRCH OUT I2C SCL SDA OUT1A B OUT2A B SPK R SPK L MNT_L R OUT HDMI Rx Built in Internal I2S SPDIF Convert HDMI_TMDS 0 1 2 CLK TUNER ATSC NTSC I2C SCL SDA ...

Page 15: ...553 AUDIO S W TEA6420 NTP3000 NVRAM 4 7K 5 0V I2C_Channel 0 I2C_Channel 1 ATSC NTSC Tuner I2C_Channel 2 I2C_Channel 3 I2C0_5V I2C1_5V I2C2_2 5V I2C2_3 3V I2C3_3 3V MTV416 4 7K 3 3VST 1K 3 3V M62320 4 7K 5 0V LM57 DS1621 HDCP Key EEPROM Address 0xC2 0x9A 0x74 0xA6 0x94 0x1C 0x54 0x 0xD4 PDP MODULE 0x50 I2C MAP CAT6431 Ready only S W mode ...

Page 16: ...urposes LGE Internal Use Only BLOCK DIAGRAM Power Sequence and Flow Diagram P_ 19V P_ 19V IC501 NTP3000 Sound IC BIAS Speaker R L 12 0V 12 0V IC806 KA7809 IC500 TEA6420D Audio SW 9V IC504 MC33078 OP AMP Digital eye LCD control B D IC901 902 KIA78R09F FAN REG FAN FAN REG IC BIAS Side power ...

Page 17: ...rvice purposes LGE Internal Use Only BLOCK DIAGRAM Power Sequence and Flow Diagram ST_5V ST_5V REG IC BIAS Side power Local key IR power IC202 ICL3232 RS 232C RX TX IC404 AZ1117H 3 3 IC406 AT24C16AN EEPROM 3 3VST_MICOM IC407 MTV416GMF micom BIAS HDMI CEC Inv RL live on 3 3V 5V BIAS ...

Page 18: ...S AGC AUD_VDD BIAS IC200 TPS2052 USB power CTL analog SW IC403 AT24C512W EEPROM NVRAM Inv RL live on 3 3V 5V IC502 CS5340 Audio ADC 입력단자 HPD IC601 602 603 701 AT24C02BN EEPROM EDID EDID EEPROM W P IC600 3 1HDMI SW SCL SDA IC700 74F08D RGB HV AND GATE IC808 FMS6400 Tuner video buffer IC900 M62320FP FAN driver IC903 LM75CIMX 3 FAN 온도센서 IC804 AZ1117H 3 3 IC802 AZ1117H 3 3 D3 3V_BCM IC101 Flash MEM 32...

Page 19: ...I5M D2 6V_BCM BCM3553 IC300 301 302 303 DDR IC 전원 IC200 201 TPS2052BD USB analog SW IC501 NTP3000 sound IC IC502 CS5340 Audio ADC IC503 TC74VHC04FT coxial SPDIF IC JK501 SPDIF power IC407 MTV416GMF 3 3V detect signal BIAS LVDS Tuner CTR IC304 5C25955TR DDR Memory DDR0_VTT DDR0_REF BCM3553 A2 6V_BCM IC805 SC4519STRT DC DC converter BCM3553 D1 2V_BCM A1 2V_BCM Power_CTL_2 6V_1 2V IC807 AZ1117H 1 8 I...

Page 20: ......

Page 21: ...OR SKD 304 AJJ33028702 Supporter Assembly 50PY30 ASSY_SUPP FILTER_BOTTOM FOR SKD 305 5230V00025C Filter PRINTING TOP 50PDP Glass Filter 306 AJJ33028802 Supporter Assembly 50PY30 ASSY_SUPP FILTER_RIGHT FOR SKD 307 AJJ33028902 Supporter Assembly 50PY30 ASSY_SUPP FILTER_LEFT FOR SKD 400 ACQ33028403 Cover Assembly Rear 50PY30 50 F HD BACKCOVER ASSY_NON DVR_NON WOOFER_SKD 501 AGU31681105 Plate Assembly...

Page 25: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MAIN TOP MAIN BOTTOM PREAMP TOP PREAMP BOTTOM SIDE A V TOP SIDE A V BOTTOM ...

Page 26: ...nted in Korea P NO MFL42558101 CANADA LG Electronics Canada Inc 550 Matheson Boulevard East Mississauga Ontario L4Z 4G3 USA LG Electronics Alabama Inc P O Box 240007 201 James Record Road Bldg 3 Huntsville AL 35824 ...

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