LG Electronics 47LE7380-ZA, 47LE7300-ZA, 47LE730N-ZA service manual 32FHD

Page 39
32_FHD

32_FHD

VGH

 

VGL

R9129-*1

R9130-*1

R9144-*1

22K

220K

51K

1%

1%

1%

TCON_32_FHD

TCON_32_FHD

TCON_32_FHD

R9131-*1

 

R9145-*1

11K

 

270K

1%

1%

TCON_32_FHD

TCON_32_FHD

 

VDD

 

HVDD

 

R9156-*1

R9165 OPEN

R9126-*1

 

150K

 

510K

 

1%

 

1%

 

TCON_32_FHD

 

TCON_32_FHD

 

R9157-*1

R9166-*1

R9127-*1

R9128-*1

27K

24K

150K

200K

1%

1%

1%

1%

TCON_32_FHD

TCON_32_FHD

TCON_32_FHD

TCON_32_FHD

VCOM FEED BACK

R9101-*1

R9104-*1

1K

1K

1%

1%

TCON_32_FHD

TCON_32_FHD

 

R9102-*1

 

1K

 

1%

 

TCON_32_FHD

 

47_FHD

VGH

 

VGL

R9129-*3

R9130-*3

R9144-*3

51K

220K

51K

1%

1%

1%

TCON_47_FHD

TCON_47_FHD

TCON_47_FHD

R9131-*3

 

R9145-*3

11K

 

270K

1%

1%

TCON_47_FHD

TCON_47_FHD

 

VDD

 

HVDD

 

R9156-*3

R9165 OPEN

R9126-*3

 

180K

 

510K

 

1%

 

1%

 

TCON_47_FHD

 

TCON_47_FHD

 

R9157-*3

R9166-*3

R9127-*3

R9128-*3

75K

20K

150K

220K

1%

1%

1%

1%

TCON_47_FHD

TCON_47_FHD

TCON_47_FHD

TCON_47_FHD

 

 

 

VCOM FEED BACK

R9101-*3

R9104-*3

1K

1K

1%

1%

TCON_47_FHD

TCON_47_FHD

R9102-*3

 

1K

 

1%

 

TCON_47_FHD

 

37_FHD

VGH

 

VGL

R9129-*2

R9130-*2

R9144-*2

47K

220K

20K

1%

1%

1%

TCON_37_FHD

TCON_37_FHD

TCON_37_FHD

R9131-*2

 

R9145-*2

12K

 

150K

 

1%

1%

 

 

 

TCON_37_FHD

TCON_37_FHD

VDD

 

HVDD

R9156-*2

R9165-*2

R9126-*2

910K

470K

470K

1%

1%

1%

TCON_37_FHD

TCON_37_FHD

TCON_37_FHD

R9157-*2

R9166-*2

R9128 OPEN

R9127-*2

56K

56K

91K

1%

1%

1%

TCON_37_FHD

TCON_37_FHD

TCON_37_FHD

 

 

VCOM FEED BACK

R9101-*2

R9104-*2

1K

1K

1%

1%

TCON_37_FHD

TCON_37_FHD

 

R9102-*2

 

1.5K

 

5%

 

TCON_37_FHD

 

55_FHD

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VGL

R9129-*4

R9130-*4

R9144-*4

510K

68K

27K

1%

1%

1%

TCON_55_FHD

TCON_55_FHD

TCON_55_FHD

R9131-*4

 

R9145-*4

 

 

150K

27K

1%

1%

TCON_55_FHD

TCON_55_FHD

 

VDD

 

 

HVDD

 

R9156-*4

R9165

OPEN

R9126-*4

 

 

 

 

150K

 

 

180K

 

1%

 

 

1%

 

TCON_55_FHD

 

 

TCON_55_FHD

 

R9157-*4

R9166-*4

R9127-*4

R9128-*4

75K

15K

 

68K

56K

 

1%

1%

1%

1%

 

 

TCON_55_FHD

TCON_55_FHD

TCON_55_FHD

TCON_55_FHD

 

 

VCOM FEED BACK

 

 

 

R9101 OPEN

R9104

OPEN

 

 

R9102-*4

 

 

 

 

0

 

 

 

 

5%

 

 

 

 

TCON_55_FHD

 

 

 

 

42_FHD

VGHVGL

91

or 95

91 or 95

Sheet

Sheet

VDD

 

HVDD

91

or 95

91 or 95

Sheet

Sheet

VCOM FEED BACK

 

91

or 95

 

Sheet

THE Manual background 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 Manual background SYMBOL MARK OF THE SCHEMETIC.

Copyright © 2010 LG Electronics. Inc. All rights reserved. Only for training and service purposes

Common

09/12/15

T-Con Power Option

98

LGE Internal Use Only

Page 38 Page 40
Image 39
Page 38 Page 40
Contents http//aic.lgservice.com CHASSIS LD03ELED LCD TV SERVICE MANUAL READ THE SAFETY PRECAUTIONS IN THIS MANUALSPECIFICATION CONTENTSCONTENTS PRODUCT SAFETYBefore returning the receiver to the customer SAFETY PRECAUTIONSIMPORTANT SAFETY NOTICE General Guidance3. Test method SPECIFICATION4. Module General Specification 1. Application range6. Component Video Input Y, CB/PB, CR/PR 5. Module optical specification2 PC Mode 7. RGB PC8. HDMI Input 1 DTV Mode1. Application Range ADJUSTMENT INSTRUCTION3. Automatic Adjustment 3.1. ADC AdjustmentSET PC 3.5. V-COM AdjustOnly LGDM+S Module3.3. LAN 3.4. LAN PORT INSPECTIONPING TEST3.7. CI+ Key Download method 3.6. Model name & serial number download4.1.1. Overview 4. Manual Adjustment4.1. ADCGP2 Adjustment 4.1.3. Adjust method4.3.2 Equipment 4.3. White Balance Adjustment4.3.4. Adj. Command Protocol 4.3.1 Overview4.3.6. Reference White Balance Adj. coordinate and temperature 4.4. EYE-Q function check4.5. Local Dimming Function Check 4.3.5. Adj. method4.6. Option selection per country 7. USB S/W Download option, Service only6. Audio 5. GND and Internal Pressure checkBLOCK DIAGRAM EXPLODED VIEW NAND FLASH MEMORY 4Gbit 512M for BB RESETBoot Strap NVRAM54MHz Only for training and service purposesVIDEO INCM AUDIO INCMTUIFN1 Place here for common circuit with ATSC+1.8VAMP +1.8VHDMI 26page TUNERHALF NIMHONG YEON HYUK Close to ICRear CVBS New Item DevelopmentEARPHONE BLOCK COMPONENTCAN H-NIM/NIM TUNER for EU TU2701TDFR-G135D USB2 OPTION USB / DVR Ready +3.3VNORMALSCART2 PIN EARPHONE BLOCKAudio Out Amp EARPHONE AMPBLUETOOTH FOR BCM EUROBBTV R7407 Mini LVDSR7405 R7406LVDS +5VNORMAL FROM LIPS & POWER B/DPowerDET PANELPOWERIC8101 GP2Saturn7MMICOM RS232C IR & KEYZener Diode is close to waferSIDEHDMIPORT4 HDMI CECUIHWPORT1 UIHWPORT3RGB PC RGB INRGB AUDIO IN SIDEAV New Item Developmen H9.2mmRS232C & Wireless WIRELESS READY MODELWireless power KIM JONG HYUN SPEAKERLSPEAKERR DDR3 1.5V By CAP - Place these Caps near Memory +3.3VMEMCURSA3 DDR3 URSA3 COREIC9001 Separate DVDDDDR PowerSerial Flash URSA3P-GAMMA Block POWER BlockHVDD Block LEVEL Shift Block32FHD
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