LG Electronics 32LS679C-ZC RS-232C, COMMERCIAL/NonOS MODEL OPTION COMMERCIAL MODEL OPTION

Page 26
RS-232C

RS-232C

COMMERCIAL/NonOS MODEL OPTION

COMMERCIAL MODEL OPTION

COMMERCIAL_RS232C_PHONEJACK32LS3500_RS232C_PHONEJACK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1003

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

+3.5V_ST

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1002

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100

 

C1000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.33uF

 

 

 

 

 

 

 

 

 

 

 

 

 

OPT

 

 

OPT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D1000

 

 

D1001

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADUC 20S 02 010L

 

 

ADUC 20S 02 010L

 

COMMERCIAL

 

 

 

 

COMMERCIAL

 

 

 

 

20V

 

 

20V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMMERCIAL

 

 

C1005

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC1000

 

 

0.1uF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMMERCIAL

 

 

C1+

MAX3232CDR

VCC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1001

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1uF

V+

 

GND

 

 

 

 

 

 

 

 

 

 

JP1002

 

 

 

 

IR_OUT

 

 

 

6

 

 

 

 

 

 

 

 

 

 

M6

 

 

JP1000

 

 

 

 

 

 

 

M1

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M3_DETECT

3

 

 

JP1001

 

 

 

 

 

 

 

M4

4

 

 

 

 

 

 

 

 

 

 

JP1004

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M5_GND

5

 

 

 

 

 

 

 

KJA-PH-1-0177

 

 

 

 

 

 

JK1001

 

 

 

 

 

 

 

 

(H:7mm)

OS_Debug(P1000)

+3.5V_ST

P1000

M6 6

M1 1

M3_DETECT 3

M4 4

M5_GND 5

PEJ030-01

JK1001-*1

ONLY 32LS3500 US MODEL(H:10mm)

 

COMMERCIAL

 

 

 

 

2

15

 

 

 

 

 

C1002

 

 

 

 

 

 

 

 

0.1uF

C1-

 

DOUT1

 

 

 

 

 

 

 

3

14

 

 

 

JP1003

12507WR-04L

VCC

1

 

COMMERCIAL

 

 

 

C2+

 

RIN1

RS-232C_IC_Bypass

 

 

 

4

13

 

 

 

 

C1003

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1uF

 

C2-

 

ROUT1

 

R1000

R1001

 

 

 

 

 

 

5

12

 

 

 

0

0

 

PM_RXD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RS-232C_IC_Bypass

 

 

 

 

 

 

 

 

 

 

 

 

 

COMMERCIAL

 

 

 

V-

 

DIN1

 

 

 

 

 

 

 

6

11

 

 

 

 

 

 

PM_TXD

 

C1004

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1uF

DOUT2

 

DIN2

 

 

 

 

 

 

 

 

 

 

 

7

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RIN2

 

ROUT2

 

 

 

 

 

 

 

 

 

 

8

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PM_RXD

2

GND

3

RM_TXD

4

5

GND

EAN41348201

For Comsumer model, use 4PIN Wafer.

THE COMMERCIAL/NonOS MODEL OPTION 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 For Comsumer model, use 4PIN Wafer. SYMBOL MARK OF THE SCHEMETIC.

GP4L_S7LR22011/08/13

Manual background RS232C_PHONE Manual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual background 10

Copyright © 2012 LG Electronics. Inc. All rights reserved.

LGE Internal Use Only

Only for training and service purposes

 

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Page 25 Page 27
Contents READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LD21BSERVICE MANUAL http//aic.lgservice.comSERVICING PRECAUTIONS CONTENTSSAFETY PRECAUTIONS SPECIFICATIONSAFETY PRECAUTIONS IMPORTANT SAFETY NOTICESERVICING PRECAUTIONS Electrostatically Sensitive ES DevicesSmall-Signal Discrete Transistor Removal/Replacement IC Remove/ReplacementReplacement Removal1. Application range SPECIFICATION4. Model General Specification 3. Test methodDVB-S2 8PSK / QPSK 2 ~ 45Msymbol/s Symbolrate 4.0Msymbols/s to 7.2Msymbols/ssymbolrate DVB-S QPSK 2 ~ 45Msymbol/s5.2. RGB Input PC 5. Video resolutions 2D5.1. Component Input Y, CB/PB, CR/PR 5.3. HDMI InputPC/DTV PCDVI1. Application Range ADJUSTMENT INSTRUCTIONBoot file Download 2. Designation3.2. EDID Download 3.1. ADC Process3.3. EDID data 7. ADC Calibration3.4 Function Check 4. Total Assembly line process4.1. Adjustment Preparation 5. HI-POT Test 4.3. Outgoing condition Configuration6.1. Signal Table 6. Model name & Serial number D/L7.1 MAC Address 7. MAC Address & CI+ key download6.3. Method & notice GP4LOW7.2 LAN Inspection 7.3. LAN PORT INSPECTIONPING TESTח ͷͲͳͤͤͤͪͥͣ͢͡ ͙;ͤ͛ͽͥͦ͑͟͝ͳͼ͑͝;ΒΔΙΚΟΖ͚ ח ͣ͢ͶͲ SCREW ASSEMBLY WORKING GUIDEScrew specification and application situation ח ͷͲͳͤͨͩͩͣ͑͢͡͡ ͙;ͧ͛ͽ͑͢͡͝ͳͼ͑͝;ΒΔΙΚΟΖ͚Side BLOCK DIAGRAMRear LG2111 AEXPLODED VIEW to delete CI or gate for GP4LS7LR22011.12.01Copyright 2012 LG Electronics. Inc. All rights reserved for SYSTEM EEPROMNormal Normal PowerVDDC DDR3+3.3VNormal FROM LIPS & POWER B/DPowerDET +1.5VDDRIR/LED and control for normal models USB2DIODES USB SIDEUSB1DIODES HDMI SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION RGB-PC / SPDIFTHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF ISFor Comsumer model, use 4PIN Wafer RS-232CCOMMERCIAL/NonOS MODEL OPTION COMMERCIAL MODEL OPTION LVDS for large inch IC1201 S7LR2DIVXMS10GP4LS7LR22011/06/03 DDR25612 H5TQ1G63DFR-H9CSFLASHMAINWINBOND 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 TU2601 GP4RGLOBALTUNERBLOCKTU2602TU2603 TDSS-G101D TDSN-G301D TDSQ-G001DGP4LS7LR22011/11/02 DVBS27 DVB-S2 LNB Part AllegroOptionLNB DCDCGND and AGND are connectedJK2801 SCART / COMPONENT&COMPSITFULL SCART / COMPONENT1 PSC008-01AUDIO AMPSTA380BWE Page Contents of LCD TV Standard Repair Process Error symptom Contents of LCD TV Standard Repair Process Detail Technical ManualContinue to the next page ContentMain B/D↔ Power B/D, LVDS Cable,Speaker Cable,IR B/D Cable A. Video errorLCD TV A2 Check Power Board 24v outputBoard 3.5V,12V,20V voltages of PowerCheck various or 24V…Signal 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 ※ Check A8/ A9Check color by input -External Input COMPONENT -RGB Link CableConnect other external device and cable External device screen error-Color errorVertical/Horizontal bar, residual image, light spot Check color condition by input -External Input -Component RGBCheck Power On ‘”High” B. Power errorCheck Power LED Measure voltage of each output of Power B/DPOWEROFFABNORMAL1 Check Power Off ModeIf Power Off mode is not displayed Check Power B/D voltage POWEROFFCPUABNORMALCheck user menu Speaker off C. Audio error24V of Power Check audio B+In case of External Input signal error Check and fix external device Check audio B+ VoltageCheck & Repair D. Function error1. Remote controlR/C operating error Recognition error Check input signalY Check technical Signal information input? - Fix information Replace Main B/DE. Noise Identify nose typeF. Exterior defect
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