LG Electronics 32LS679C-ZC service manual HDMI InputPC/DTV, Pcdvi

Page 9
5.3. HDMI Input(PC/DTV)

5.3. HDMI Input(PC/DTV)

No.

 

Resolution

H-freq(kHz)

V-freq.(Hz)

Pixel clock(MHz)

Proposed

 

Remark

 

 

 

 

 

 

 

 

 

PC(DVI)

 

 

 

 

DDC

 

 

1

 

640*350

31.468

70.09

25.17

EGA

X

 

 

 

 

 

 

 

 

 

 

2

 

720*400

31.469

70.08

28.32

DOS

O

 

 

 

 

 

 

 

 

 

 

3

 

640*480

31.469

59.94

25.17

VESA(VGA)

O

 

 

 

 

 

 

 

 

 

 

4

 

800*600

37.879

60.31

40.00

VESA(SVGA)

O

 

 

 

 

 

 

 

 

 

 

5

 

1024*768

48.363

60.00

65.00

VESA(XGA)

O

 

6

 

1152*864

54.348

60.053

80.00

VESA

O

 

7

 

1360*768

47.712

60.015

85.50

VESA (WXGA)

O

 

8

 

1280*1024

63.981

60.020

108.0

VESA (SXGA)

O

FHD only

9

 

1920*1080

67.50

60.00

148.5

HDTV 1080P

O

FHD only

DTV

 

 

 

 

 

 

 

1

 

720*480

31.47

59.94

27.00

SDTV 480P

 

 

 

 

 

 

 

 

 

 

 

2

 

720*480

31.50

60.00

27.027

SDTV 480P

 

 

 

 

 

 

 

 

 

 

 

3

 

720*576

31.250

50.00

27.00

SDTV 576P

 

 

 

 

 

 

 

 

 

 

 

4

 

1280*720

37.50

50.00

74.25

HDTV 720P

 

 

 

 

 

 

 

 

 

 

 

5

 

1280*720

45.00

60.00

74.25

HDTV 720P

 

 

 

 

 

 

 

 

 

 

 

6

 

1280*720

44.96

59.94

74.176

HDTV 720P

 

 

 

 

 

 

 

 

 

 

 

7

 

1920*1080

28.125

50.00

74.25

HDTV 1080I

 

 

8

 

1920*1080

33.75

60.00

74.25

HDTV 1080I

 

 

9

 

1920*1080

33.72

59.94

74.176

HDTV 1080I

 

 

10

 

1920*1080

56.250

50.00

148.50

HDTV 1080P

 

 

11

 

1920*1080

67.50

60.00

148.50

HDTV 1080P

 

 

12

 

1920*1080

67.432

59.94

148.352

HDTV 1080P

 

 

13

 

1920*1080

27.00

24.00

74.25

HDTV 1080P

 

 

 

 

 

 

 

 

 

 

 

14

 

1920*1080

26.97

23.976

74.176

HDTV 1080P

 

 

 

 

 

 

 

 

 

 

 

15

 

1920*1080

33.75

30.00

74.25

HDTV 1080P

 

 

 

 

 

 

 

 

 

 

 

Copyright ©

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Image 9
Contents SERVICE MANUAL CHASSIS LD21BREAD THE SAFETY PRECAUTIONS IN THIS MANUAL http//aic.lgservice.comSAFETY PRECAUTIONS CONTENTSSERVICING PRECAUTIONS SPECIFICATIONIMPORTANT SAFETY NOTICE SAFETY PRECAUTIONSElectrostatically Sensitive ES Devices SERVICING PRECAUTIONSReplacement IC Remove/ReplacementSmall-Signal Discrete Transistor Removal/Replacement Removal4. Model General Specification SPECIFICATION1. Application range 3. Test methodsymbolrate Symbolrate 4.0Msymbols/s to 7.2Msymbols/sDVB-S2 8PSK / QPSK 2 ~ 45Msymbol/s DVB-S QPSK 2 ~ 45Msymbol/s5. Video resolutions 2D 5.1. Component Input Y, CB/PB, CR/PR5.2. RGB Input PC PCDVI 5.3. HDMI InputPC/DTVBoot file Download ADJUSTMENT INSTRUCTION1. Application Range 2. Designation3.3. EDID data 3.1. ADC Process3.2. EDID Download 7. ADC Calibration4. Total Assembly line process 4.1. Adjustment Preparation3.4 Function Check 6.1. Signal Table 4.3. Outgoing condition Configuration5. HI-POT Test 6. Model name & Serial number D/L6.3. Method & notice 7. MAC Address & CI+ key download7.1 MAC Address GP4LOW7.3. LAN PORT INSPECTIONPING TEST 7.2 LAN InspectionScrew specification and application situation SCREW ASSEMBLY WORKING GUIDEח ͷͲͳͤͤͤͪͥͣ͢͡ ͙;ͤ͛ͽͥͦ͑͟͝ͳͼ͑͝;ΒΔΙΚΟΖ͚ ח ͣ͢ͶͲ ח ͷͲͳͤͨͩͩͣ͑͢͡͡ ͙;ͧ͛ͽ͑͢͡͝ͳͼ͑͝;ΒΔΙΚΟΖ͚Rear BLOCK DIAGRAMSide LG2111 AEXPLODED VIEW Copyright 2012 LG Electronics. Inc. All rights reserved GP4LS7LR22011.12.01to delete CI or gate for for SYSTEM EEPROMVDDC Normal PowerNormal DDR3PowerDET FROM LIPS & POWER B/D+3.3VNormal +1.5VDDRIR/LED and control for normal models USB SIDE USB1DIODESUSB2DIODES HDMI THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES RGB-PC / SPDIFSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF ISRS-232C COMMERCIAL/NonOS MODEL OPTION COMMERCIAL MODEL OPTIONFor Comsumer model, use 4PIN Wafer LVDS for large inch GP4LS7LR22011/06/03 DDR25612 S7LR2DIVXMS10IC1201 H5TQ1G63DFR-H9CSerial Flash for SPI boot SFLASHMAINMACRONIXSFLASHMAINWINBOND IC1401-*1 W25Q80BVSSIG Headphone *Option HEADPHONE PHONEHEAD CI Region Option name of this page CISLOT because of Hong Kong10067972-0500LF H/W option ETHERNET GP4LS7LR22011/06/14 ETHERNET21ETHERNET TU2602TU2603 TDSS-G101D TDSN-G301D GP4RGLOBALTUNERBLOCKTU2601 TDSQ-G001DOptionLNB DVB-S2 LNB Part AllegroGP4LS7LR22011/11/02 DVBS27 DCDCGND and AGND are connectedFULL SCART / COMPONENT1 SCART / COMPONENT&COMPSITJK2801 PSC008-01AUDIO AMPSTA380BWE Page Contents of LCD TV Standard Repair Process Continue to the next page Contents of LCD TV Standard Repair Process Detail Technical ManualError symptom ContentLCD TV A. Video errorMain B/D↔ Power B/D, LVDS Cable,Speaker Cable,IR B/D Cable A2 Check Power Board 24v outputCheck various voltages of PowerBoard 3.5V,12V,20V or 24V…By using Digital signal level meter By using Diagnostics menu on OSD Menu→ Set up→ Support → Signal Test Signal strength Normal over 50%Signal Quality Normal over 50% → Set-Top-Box, Different maker TV etc Check color by input -External Input COMPONENT -RGB A8/ A9※ Check Link CableVertical/Horizontal bar, residual image, light spot External device screen error-Color errorConnect other external device and cable Check color condition by input -External Input -Component RGBCheck Power LED B. Power errorCheck Power On ‘”High” Measure voltage of each output of Power B/DIf Power Off mode is not displayed Check Power B/D voltage Check Power Off ModePOWEROFFABNORMAL1 POWEROFFCPUABNORMAL24V of Power C. Audio errorCheck user menu Speaker off Check audio B+Check audio B+ Voltage In case of External Input signal error Check and fix external deviceD. Function error 1. Remote controlR/C operating errorCheck & Repair Y Check technical Signal information input? - Fix information Check input signalRecognition error Replace Main B/DIdentify nose type E. NoiseF. Exterior defect