LG Electronics 55LA625C-ZA Control Ir & Led, 2013 S7LR2, 2012, Ir/Control, LGE Internal Use Only

Page 27
CONTROL

CONTROL

IR & LED

+3.5V_ST

 

 

 

 

 

 

 

CONTROL_NO_FILTER

 

 

 

 

R602

R603

R614

 

 

 

 

0

 

 

 

 

10K

10K

 

 

 

 

 

1%

1%

CONTROL_FILTER

 

 

 

 

 

 

L601

 

 

 

 

 

 

BLM18PG121SN1D

 

 

 

 

KEY1

 

 

 

 

 

P600

 

 

L602

 

 

 

 

 

 

 

 

12507WR-08L

 

 

BLM18PG121SN1D

CONTROL_FILTER

 

KEY2

 

 

 

 

 

 

 

 

 

 

 

 

CONTROL_FILTER

 

CONTROL_FILTER

 

 

 

 

 

 

 

 

R615

C608

C609

 

1

 

 

0

0 . 1 u F

0 . 1 u F

 

 

 

 

CONTROL_NO_FILTER

 

 

 

2

 

 

 

 

 

 

 

 

 

+3.5V_ST

 

 

3

 

 

 

 

L600

 

 

 

 

 

BLM18PG121SN1D

 

 

 

 

 

 

 

 

4

 

 

 

 

C602

C603

 

 

 

 

 

0 . 1 u F

1000pF

 

 

 

 

16V

50V

5

 

 

 

 

R610

 

 

 

 

LED_R

 

1.8K

 

6

 

 

 

 

 

 

 

 

+3.5V_ST

 

7

 

 

 

R607

 

 

8

 

 

 

47K

 

 

 

 

 

 

R604

 

 

9

 

 

IR

22

 

 

 

 

 

 

 

 

 

 

 

 

 

C604

D603

 

 

 

 

 

100pF

 

 

 

 

 

50V

5.6V

IR OUT

 

 

 

 

 

 

 

 

+3.5V_ST

 

 

 

 

 

IR_OUT

+3.5V_ST

 

 

 

 

 

R606

 

 

 

 

 

 

 

 

 

IR_OUT

 

10K

 

 

 

 

R605

 

IR_OUT

 

 

 

22

 

 

 

 

 

 

R608

 

 

 

IR_OUT

 

IR_OUT

 

 

 

 

47K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q600 C

R609

 

 

10K

 

 

2SC3052

 

B

 

IR_OUT

E

 

 

IR_OUT

 

 

R612

 

 

 

 

 

 

C

47K

 

 

 

IR_OUT

B

 

 

R611

Q601 E

 

 

 

0

2SC3052

 

OPT

THE IR OUTSYMBOL 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.

 

 

 

 

 

 

 

2013 S7LR2

 

 

 

 

 

 

 

 

 

 

 

 

 

2012 . 11 . 12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IR/CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

LGE Internal Use Only

Only for training and service purposes

 

Page 26 Page 28
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Page 26 Page 28
Contents MODEL 55LA625C 55LA625C-ZA SERVICE MANUALREAD THE SAFETY PRECAUTIONS IN THIS MANUAL LED TVLGE Internal Use Only Only for training and service purposesCopyright LG Electronics. Inc. All rights reservedLeakage Current Cold CheckAntenna Cold Check SAFETY PRECAUTIONSGeneral Guidance Before returning the receiver to the customerElectrostatically Sensitive ES Devices SERVICING PRECAUTIONSRemoval IC Remove/ReplacementReplacement Small-Signal Discrete Transistor Removal/Replacement3. Test method SPECIFICATION4. Model General Specification 1. Application range1/4, 1/8, 1/16, 1/32 Symbolrate 4.0Msymbols/s to 7.2Msymbols/sDVB-T Guard IntervalBitrateMbit/s5.3. RGB Input PC - FHD Model 5. Video resolutions 2D5.1. Component Input Y, CB/PB, CR/PR 5.2. RGB Input PC - HD ModelPCDVI 5.3. HDMI InputPC/DTV3. Main PCB check process ADJUSTMENT INSTRUCTION1. Application Range 2. Designation3.3. EDID data After downloading, have to adjust Tool Option again3.1. ADC Process 3.2. EDID Download4. Total Assembly line process 4.1. White Balance adjustment3.4 Function Check 4.5. Outgoing condition Configuration 5. GND and HI-POT Test6. Model name & Serial number D/L 6.1. Signal Table7.2. CI+ Key Download 7. CI+ key download6.3. Method & notice 7.1. Communication Prot connection8. Check Commercial Features 8.1. External speaker8OHM, 1W, Single-End8.2. IR OUT TROUBLE SHOOTING GUIDE 1. Check the booting Voltage2. Digital TV Video 4. AV Video 3. Analog TV Video6. HDMI Video 5. RGB Video8. TV Audio 7. Audio of All iput10. RGB Audio 9. AV AudioBLOCK DIAGRAM S7LR2 LGE211A-T8Tuner DVB- T/C EXPLODED VIEW 2013 S7LR2 2012 . 11Copyright 2013 LG Electronics. Inc. All rights reserved Normal SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS VDDC+3.3VNormal780 mA FROM LIPS & POWER B/DPowerDET +1.5VDDRNTP-7500L IC501CONTROL IR & LED THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETICFOR FHD REVERSE10bit Change in S7LR LVDS51Pin LVDS Connector For FHD 60Hz 30Pin LVDS ConnectorFor CEC HDMI EEPROMHDMI1 HDMI2RS - 232C RS232CPC AUDIO HEADPHONERGB PC SIDE USBEAN61828901 S7LRDIVXMS10DDR256 DDR13331GHYNIXSFLASH SCART AUDIO MUTE REAR COMPONENT PHONE JACKF u l l S c a r tIC1800 EXTSPEAKERAMPSPEAKER OUT JACK EXTSPKPCMCI CI POWER ENABLE CONTROLCI Region Option name of this page CI SLOT because of Hong KongTDSS-G101D GP4RGLOBALTUNERBLOCKTU2602 TU2603
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