LG Electronics 55LA625C-ZA RS232C, 2013 S7LR2, 2012 . 11, RS - 232C, LGE Internal Use Only

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RS232C

RS232C

IR_OUT

10

RS - 232C 5

Manual background 9

Manual background 4

 

 

 

 

R1001

8

 

 

 

 

100

JP1121

 

 

 

 

 

3

 

 

 

 

R1002

7

 

 

 

+3.5V_ST

 

 

 

 

100

JP1122

 

 

 

 

 

2

 

 

 

D1007

D1008

6

 

 

 

 

 

 

 

CDS3C30GTH

CDS3C30GTH

1

 

 

 

30V

30V

 

 

 

DELETE

DELETE

 

C1001 0 . 3 3 u F

 

 

 

SPG09-DB-009

 

 

 

 

 

 

 

IC1000

C1006

 

JK1001

 

 

MAX3232CDR

 

 

 

 

0 . 1 u F

+3.5V_ST

 

 

 

 

 

 

 

C1+

16

VCC

D1001

R1003

 

1

 

BAP70-02

 

 

 

 

1K

C1002

 

 

 

 

 

 

 

 

 

0 . 1 u F

V+

 

GND

50V

 

 

15

 

 

2

 

 

 

C1003

 

 

 

 

 

0 . 1 u F

C1-

 

DOUT1

 

 

 

3

14

 

 

 

 

C2+

13

RIN1

 

 

 

4

 

 

 

C1004

 

 

 

 

 

0 . 1 u F

C2-

 

ROUT1

 

 

 

5

12

 

 

PM_RXD

 

 

 

 

 

 

V-

11

DIN1

 

 

 

6

 

 

PM_TXD

 

 

 

 

 

C1005

 

 

 

 

 

0 . 1 u FDOUT2

10

DIN2

 

 

 

7

 

 

 

 

RIN2

9

ROUT2

 

 

 

8

 

 

 

 

 

EAN41348201

 

 

 

THE Manual backgroundSYMBOL 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.

Copyright © 2013 LG Electronics. Inc. All rights reserved. Only for training and service purposes

 

 

 

 

 

 

 

2013 S7LR2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2012 . 11 . 12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RS - 232C

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LGE Internal Use Only

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Contents LED TV SERVICE MANUALREAD THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL 55LA625C 55LA625C-ZALG Electronics. Inc. All rights reserved Only for training and service purposesCopyright LGE Internal Use OnlyBefore returning the receiver to the customer SAFETY PRECAUTIONSGeneral Guidance Leakage Current Cold CheckAntenna Cold CheckSERVICING PRECAUTIONS Electrostatically Sensitive ES DevicesSmall-Signal Discrete Transistor Removal/Replacement IC Remove/ReplacementReplacement Removal1. Application range SPECIFICATION4. Model General Specification 3. Test methodGuard IntervalBitrateMbit/s Symbolrate 4.0Msymbols/s to 7.2Msymbols/sDVB-T 1/4, 1/8, 1/16, 1/325.2. RGB Input PC - HD Model 5. Video resolutions 2D5.1. Component Input Y, CB/PB, CR/PR 5.3. RGB Input PC - FHD Model5.3. HDMI InputPC/DTV PCDVI2. Designation ADJUSTMENT INSTRUCTION1. Application Range 3. Main PCB check process3.2. EDID Download After downloading, have to adjust Tool Option again3.1. ADC Process 3.3. EDID data4. Total Assembly line process 4.1. White Balance adjustment3.4 Function Check 6.1. Signal Table 5. GND and HI-POT Test6. Model name & Serial number D/L 4.5. Outgoing condition Configuration7.1. Communication Prot connection 7. CI+ key download6.3. Method & notice 7.2. CI+ Key Download8. Check Commercial Features 8.1. External speaker8OHM, 1W, Single-End8.2. IR OUT TROUBLE SHOOTING GUIDE 1. Check the booting Voltage2. Digital TV Video 3. Analog TV Video 4. AV Video5. RGB Video 6. HDMI Video7. Audio of All iput 8. TV Audio9. AV Audio 10. RGB AudioBLOCK DIAGRAM S7LR2 LGE211A-T8Tuner DVB- T/C EXPLODED VIEW 2013 S7LR2 2012 . 11Copyright 2013 LG Electronics. Inc. All rights reserved VDDC SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS Normal+1.5VDDR FROM LIPS & POWER B/DPowerDET +3.3VNormal780 mAIC501 NTP-7500LTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION CONTROL IR & LED30Pin LVDS Connector LVDS51Pin LVDS Connector For FHD 60Hz FOR FHD REVERSE10bit Change in S7LRHDMI2 HDMI EEPROMHDMI1 For CECRS232C RS - 232CSIDE USB HEADPHONERGB PC PC AUDIODDR13331GHYNIX S7LRDIVXMS10DDR256 EAN61828901SFLASH S c a r t REAR COMPONENT PHONE JACKF u l l SCART AUDIO MUTEEXTSPK EXTSPEAKERAMPSPEAKER OUT JACK IC1800Option name of this page CI SLOT because of Hong Kong CI POWER ENABLE CONTROLCI Region PCMCITU2603 GP4RGLOBALTUNERBLOCKTU2602 TDSS-G101D