LG Electronics 32LS679C-ZC service manual ADC Process, EDID data, EDID Download, ADC Calibration

Page 11
3.1.ADC Process

3.1.ADC Process

(1)ADC

-Enter Service Mode by pushing "ADJ" key,

-Enter Internal ADC mode by pushing "►" key at "7. ADC Calibration".

 

EZ ADJUST

ADC Calibration

0.

Tool Option1

ADC Comp 480i

NG

1.

Tool Option2

ADC Comp 1080p

NG

2.

Tool Option3

ADC RGB

NG

3.

Tool Option4

 

 

4.

Tool Option 5

Start

Reset

5.Country Group

6.Area Option

7. ADC Calibration

8.White Balance

9.10 Point WB

10.Test Pattern

11.EDID D/L

12.Sub B/C

13.Touch Sensitivity Setting

<Caution> Using "power on" key of the Adjustment remote control, power on TV.

* ADC Calibration Protocol (RS232)

NO

Item

CMD 1

CMD 2

Data 0

 

 

 

 

 

 

 

 

Enter

Adjust

A

A

0

0

When transfer the ‘Mode In’,

Adjust MODE

‘Mode In’

Carry the command.

 

 

 

 

ADC adjust

ADC Adjust

A

D

1

0

Automatically adjustment

(The use of a internal pattern)

 

 

 

 

 

 

3.3.EDID data

(1)FHD RGB EDID data (RGB input : only LD21B support)

 

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

 

a

 

 

b

 

10

 

c

01

03

68

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

18

71

 

38

2D

40

 

58

2C

40

45

 

00

A0

5A

00

00

00

 

1E

66

21

50

 

B0

51

00

 

1B

30

50

40

 

70

36

00

A0

5A

00

 

00

00

1E

00

 

00

00

FD

 

00

3A

60

3E

 

1E

53

10

00

0A

20

 

20

20

20

20

 

20

 

 

d

 

70

 

 

 

 

 

 

 

 

d

 

 

 

 

 

 

 

 

00

e

(2) FHD HDMI EDID data

 

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

 

a

 

 

b

 

10

 

c

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

18

71

 

38

2D

40

 

58

2C

40

45

 

00

A0

5A

00

00

00

 

1E

66

21

50

 

B0

51

00

 

1B

30

50

40

 

70

36

00

A0

5A

00

 

00

00

1E

00

 

00

00

FD

 

00

3A

60

3E

 

1E

53

10

00

0A

20

 

20

20

20

20

 

20

 

 

d

 

70

 

 

 

 

 

 

 

 

d

 

 

 

 

 

 

 

 

01

e

80

02

 

03

22

F1

4E

10

9F

 

04

13

05

14

 

03

02

12

 

20

21

90

22

 

15

01

26

15

07

50

 

09

57

07

 

 

 

 

f

 

 

 

A0

 

f

01

1D

80

18

71

 

1C

16

20

58

 

2C

25

00

 

20

C2

B0

31

 

00

00

9E

01

1D

00

 

72

51

D0

1E

 

20

6E

28

 

55

00

C0

20

 

C2

31

00

00

1E

02

 

3A

80

18

71

 

38

2D

40

 

58

2C

D0

45

 

00

A0

5A

00

00

00

 

1E

01

1D

00

 

BC

52

D0

 

1E

20

E0

B8

 

28

55

40

C4

8E

21

 

00

00

1E

00

 

00

00

00

 

00

00

F0

00

 

00

00

00

00

00

00

 

00

00

00

00

 

00

00

00

 

00

e

Adjust Sequence

aa 00 00 [Enter Adjust Mode]

xb 00 40 [Component1 Input (480i)]

ad 00 10 [Adjust 480i Comp1]

xb 00 60 [RGB Input (1024*768)] (only LD21B)

ad 00 10 [Adjust 1024*768 RGB] (only LD21B)

aa 00 90 End Adjust mode

* Required equipment : Adjustment remote control.

3.2. EDID Download

After enter Service Mode by pushing "ADJ" key.

Enter EDID D/L menu.

Enter "START" by pushing "OK" key.

<Caution> Never connect HDMI && D-sub cable when EDID downloaded.

 

EZ ADJUST

EDID D/L

 

0.

Tool Option1

HDMI1

NG

1.

Tool Option2

HDMI2

NG

2.

Tool Option3

HDMI3

NG

3.

Tool Option4

RGB

NG

4.

Tool Option 5

Start

Reset

5.Country Group

6.Area Option

7. ADC Calibration

8.White Balance

9.10 Point WB

10.Test Pattern

11. EDID3.3.EDID data3.2. EDID Download D/L

12.Sub B/C

13.Touch Sensitivity Setting

(3) Detail EDID Options are below a. Product ID

MODEL NAME

HEX

EDID Table

DDC Function

HD/FHD Model

0001

01 00

Analog/Digital

b. Serial No: Controlled on production line.

c. Month, Year: Controlled on production line: ex) Week : '01' -> '01'

Year : '2012' -> '16' fix d. Model Name(Hex):

cf) TV set’s model name in EDID data is below.

Model name

MODEL NAME(HEX)

LG TV

00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 (LG TV)

e. Checksum: Changeable by total EDID data.

EDID C/S data

FHD(8 Bit)

 

HDMI

 

RGB

 

 

 

 

Block 0

43

 

5C

Check sum

 

25 (HDMI1)

 

 

(Hex)

Block 1

15 (HDMI2)

 

-

 

 

05 (HDMI3)

 

 

f. Vendor Specific(HDMI)

Input

Model name(HEX)

 

 

HDMI1

67030C001000801E

 

 

HDMI2

67030C002000801E

 

 

HDMI3

67030C003000801E

Copyright ©

LG Electronics. Inc. All rights reserved.

- 11 -

LGE Internal Use Only

Only for training and service purposes

 

 

Image 11
Contents http//aic.lgservice.com CHASSIS LD21BSERVICE MANUAL READ THE SAFETY PRECAUTIONS IN THIS MANUALSPECIFICATION CONTENTSSAFETY PRECAUTIONS SERVICING PRECAUTIONSIMPORTANT SAFETY NOTICE SAFETY PRECAUTIONSElectrostatically Sensitive ES Devices SERVICING PRECAUTIONSRemoval IC Remove/ReplacementReplacement Small-Signal Discrete Transistor Removal/Replacement3. Test method SPECIFICATION4. Model General Specification 1. Application rangeDVB-S QPSK 2 ~ 45Msymbol/s Symbolrate 4.0Msymbols/s to 7.2Msymbols/ssymbolrate DVB-S2 8PSK / QPSK 2 ~ 45Msymbol/s5.2. RGB Input PC 5. Video resolutions 2D5.1. Component Input Y, CB/PB, CR/PR PCDVI 5.3. HDMI InputPC/DTV2. Designation ADJUSTMENT INSTRUCTIONBoot file Download 1. Application Range7. ADC Calibration 3.1. ADC Process3.3. EDID data 3.2. EDID Download3.4 Function Check 4. Total Assembly line process4.1. Adjustment Preparation 6. Model name & Serial number D/L 4.3. Outgoing condition Configuration6.1. Signal Table 5. HI-POT TestGP4LOW 7. MAC Address & CI+ key download6.3. Method & notice 7.1 MAC Address7.3. LAN PORT INSPECTIONPING TEST 7.2 LAN Inspectionח ͷͲͳͤͨͩͩͣ͑͢͡͡ ͙;ͧ͛ͽ͑͢͡͝ͳͼ͑͝;ΒΔΙΚΟΖ͚ SCREW ASSEMBLY WORKING GUIDEScrew specification and application situation ח ͷͲͳͤͤͤͪͥͣ͢͡ ͙;ͤ͛ͽͥͦ͑͟͝ͳͼ͑͝;ΒΔΙΚΟΖ͚ ח ͣ͢ͶͲLG2111 A BLOCK DIAGRAMRear SideEXPLODED VIEW for SYSTEM EEPROM GP4LS7LR22011.12.01Copyright 2012 LG Electronics. Inc. All rights reserved to delete CI or gate forDDR3 Normal PowerVDDC Normal+1.5VDDR FROM LIPS & POWER B/DPowerDET +3.3VNormalIR/LED and control for normal models USB2DIODES USB SIDEUSB1DIODES HDMI FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS RGB-PC / SPDIFTHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATIONFor Comsumer model, use 4PIN Wafer RS-232CCOMMERCIAL/NonOS MODEL OPTION COMMERCIAL MODEL OPTION LVDS for large inch H5TQ1G63DFR-H9C S7LR2DIVXMS10GP4LS7LR22011/06/03 DDR25612 IC1201SFLASHMAINWINBOND IC1401-*1 W25Q80BVSSIG Serial Flash for SPI bootSFLASHMAINMACRONIX HEAD Headphone *Option HEADPHONEPHONE 10067972-0500LF CI RegionOption name of this page CISLOT because of Hong Kong ETHERNET H/W option ETHERNETGP4LS7LR22011/06/14 ETHERNET21 TDSQ-G001D GP4RGLOBALTUNERBLOCKTU2602TU2603 TDSS-G101D TDSN-G301D TU2601DCDCGND and AGND are connected DVB-S2 LNB Part AllegroOptionLNB GP4LS7LR22011/11/02 DVBS27PSC008-01 SCART / COMPONENT&COMPSITFULL SCART / COMPONENT1 JK2801AUDIO AMPSTA380BWE Page Contents of LCD TV Standard Repair Process Content Contents of LCD TV Standard Repair Process Detail Technical ManualContinue to the next page Error symptomA2 Check Power Board 24v output A. Video errorLCD TV Main B/D↔ Power B/D, LVDS Cable,Speaker Cable,IR B/D Cableor 24V… voltages of PowerCheck various Board 3.5V,12V,20VSignal Quality Normal over 50% By using Digital signal level meter By using Diagnostics menu on OSDMenu→ Set up→ Support → Signal Test Signal strength Normal over 50% → Set-Top-Box, Different maker TV etc Link Cable A8/ A9Check color by input -External Input COMPONENT -RGB ※ CheckCheck color condition by input -External Input -Component RGB External device screen error-Color errorVertical/Horizontal bar, residual image, light spot Connect other external device and cableMeasure voltage of each output of Power B/D B. Power errorCheck Power LED Check Power On ‘”High”POWEROFFCPUABNORMAL Check Power Off ModeIf Power Off mode is not displayed Check Power B/D voltage POWEROFFABNORMAL1Check audio B+ C. Audio error24V of Power Check user menu Speaker offCheck audio B+ Voltage In case of External Input signal error Check and fix external deviceCheck & Repair D. Function error1. Remote controlR/C operating error Replace Main B/D Check input signalY Check technical Signal information input? - Fix information Recognition errorIdentify nose type E. NoiseF. Exterior defect