LG Electronics 32LS5620-ZD, 32LS5610/561T-ZA service manual Rgb-Pc / Spdif, LGE Internal Use Only

Page 27

RGB-PC / SPDIF

RGB-PC / SPDIF

SPDIF OPTIC JACK

+3.3V_Normal

5.15 Mstar Circuit Application

SPDIF_OPTIC

JK1103

2F01TC1-CLM97-4F

GND

1

VCC

2

Optic

SPDIF_OUT

VIN

3

Fiber

OPT

SPDIF

_OPTIC

SPDIF_OPTIC

4

OPT

OPT

C1131

C1121

R1104

C1109

C1110

SHIELD

10K

22uF

10uF

16V

100pF

16V

16V

50V

THE 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 SYMBOL MARK OF THE SCHEMETIC.

PC AUDIO

PC_AUDIO

JK1102

PEJ027-04

3

E_SPRING

6A

T_TERMINAL1

PC_AUDIO

B_TERMINAL1

R1107

7A

AMOTECH

CO.,

LTD.

15K

OPT

NON_

CI_CAP_PC_

AUDIO

PC_R_IN

PC_AUDIO

4

R_SPRING

D1101

PC_AUDIO

C1107

R1102

R1110

100pF

10K

5

T_SPRING

5.6V

50V

470K

PC_AUDIO

B_TERMINAL2

R1108

7B

AMOTECH

CO.,

LTD.

15K

PC_L_IN

T_TERMINAL2

OPT

NON_

CI_CAP_PC_

AUDIO

PC_AUDIO

6B

D1102

C1108

PC_AUDIO

R1103

R1111

100pF

5.6V

470K

10K

50V

RGB

PC

RGB_PC

+5V_Normal

D1115

MMBD6100

C

A2

A1

NON_CI_CAP_RGB_PC

RGB_PC

RGB_PC

R1140

C1129

R1139

0.1uF

2.2K

2.2K

16V

RGB_DDC_SCL

NON_CI_CAP_RGB_PC

NON_CI_CAP_

RGB_PC

RGB_DDC_SDA

C1127

C1128

18pF

18pF

50V

50V

DSUB_VSYNC

DSUB_HSYNC

OPT

OPT

OPT

OPT

C1126

OPT

D1114

C1122

D1109

68pF

D1113

5.6V

68pF

20V

02 010L 50V

20V

50V

ADUC 20S

ADUC

20S

02

010L

OPT

D1116

5.6V

OPT

R1148

DSUB_B+

0

PM_RXD

ADUC

20S

02

010L

RGB_PC

OPT

OPT

R1133

D1110

R1149

75

20V

0

PM_TXD

R1150

R1151

DSUB_G+

0

0

ADUC

20S

02

010L

RGB_PC

OPT

+3.3V_Normal

R1135

D1111

75

20V

RGB_PC

R1146

RGB_PC

10K

R1147

1K

DSUB_DET

DSUB_R+

OPT

ADUC

20S

02

010L

D1117

5.6V

RGB_PC

OPT

ADMC 5M

02 200L

R1137

D1112

75

20V

GREEN GND

DDC DATA

BLUE GND

SYNC GND

DDC CLOCK

RED GND

GND 2

RED

GREEN

H SYNC

BLUE

NC

V SYNC

GND 1

DDC GND

11

12

13

14

15

16

6

7

8

9

10

1

2

3

4

5

JK1104

SPG09-DB-010

RGB_PC

GP4L_S7LR22011/09/27

RGB-PC/SPDIF 9

Copyright © 2012 LG Electronics. Inc. All rights reserved.	LGE Internal Use Only
Only for training and service purposes

Image 27

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. Video resolutions 2D 5.1. Component Input Y, CB/PB, CR/PR5.2. RGB Input PC - LS35/LS34/CS46 series models are not supported 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 Download4. Total Assembly line process 4.1. Adjustment Preparation3.4 Function Check 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 ͣ͢ͶͲIC101 RearSide LG2111 AG301D Applied Model **LM580T, **560T, **LS350T, **CS460TLS350T/CS460T TDSN560S, **LS350S, **CS460S LS350S/CS460SG001D EXPLODED 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 USB SIDE USB1DIODESUSB2DIODES 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-RADIATIONRS-232C COMMERCIAL/NonOS MODEL OPTION COMMERCIAL MODEL OPTIONFor Comsumer model, use 4PIN Wafer LVDS for large inch H5TQ1G63DFR-H9C S7LR2DIVXMS10GP4LS7LR22011/06/03 DDR25612 IC1201Serial 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 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,20VBy 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 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 deviceD. Function error 1. Remote controlR/C operating errorCheck & Repair Replace Main B/D Check input signalY Check technical Signal information input? - Fix information Recognition errorIdentify nose type E. NoiseF. Exterior defect