LG Electronics CS26460T-ZA, 26CS460/460S/460T-ZA Usb Side, USB1DIODES, LGE Internal Use Only

Page 32
USB (SIDE)

USB (SIDE)

USB_1_32LS3500

JK1450-*1

-H-LG

USB

1

3AU04S-345-ZC

DOWN STREAM

4 3 2

 

 

5

USB1_DIODES

EAN61849601

 

 

 

 

 

 

 

 

 

 

 

L1451-*1

 

 

 

IC1450

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MLB-201209-0120P-N2

 

 

AP2191DSG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120-ohm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

8

1

GND

 

 

 

+5V_USB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L1451

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CIS21J121

OUT_2

 

$0.0665

IN_1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OPT

OPT

 

C1451

 

 

 

 

 

 

 

 

 

 

 

 

 

C1452

 

 

 

 

 

 

 

 

 

 

 

 

R1458

R1459

 

 

OUT_1

 

 

 

 

 

 

 

IN_2

 

 

 

C1453

 

 

 

 

 

 

 

2K

2K

 

22uF

 

 

 

6

3

 

 

 

10uF

 

0.1uF

 

 

 

 

 

 

 

1/8W

1/8W

 

16V

 

 

 

 

 

 

 

 

 

 

 

 

10V

 

 

 

 

 

 

 

 

5%

 

5%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FLG

5

4

EN

 

 

 

 

+3.3V_Normal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OPT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1455

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.7K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

USB1_CTL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1454

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1451

10K

 

 

 

 

 

 

 

USB_1_NORMAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

47

 

 

 

 

 

 

 

 

 

 

 

ZC-305-(LG)

JK1450

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

USB1_OCD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

USBDOWN

2 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIDE_USB1_DM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3AU04S-

STREAM

43

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIDE_USB1_DP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OPT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

D1451

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RCLAMP0502BA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THE USB1_DIODES 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.

GP4L_S7LR22011/11/18

USB_OCP_DIODE_1EA

52

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

LGE Internal Use Only

Only for training and service purposes

 

Image 32
Contents CHASSIS LD21C SERVICE MANUALREAD THE SAFETY PRECAUTIONS IN THIS MANUAL http//aic.lgservice.comCONTENTS SAFETY PRECAUTIONSSERVICING PRECAUTIONS SPECIFICATIONSAFETY PRECAUTIONS IMPORTANT SAFETY NOTICESERVICING PRECAUTIONS Electrostatically Sensitive ES DevicesIC Remove/Replacement ReplacementSmall-Signal Discrete Transistor Removal/Replacement RemovalSPECIFICATION 4. Model General Specification1. Application range 3. Test methodSymbolrate 4.0Msymbols/s to 7.2Msymbols/s symbolrateDVB-S2 8PSK / QPSK 2 ~ 45Msymbol/s DVB-S QPSK 2 ~ 45Msymbol/s5.2. RGB Input PC - LS35/LS34/CS46 series models are not supported 5. Video resolutions 2D5.1. Component Input Y, CB/PB, CR/PR 5.3. HDMI InputPC/DTV PCDVIADJUSTMENT INSTRUCTION Boot file Download1. Application Range 2. Designation3.1. ADC Process 3.3. EDID data3.2. EDID Download 7. ADC Calibration3.4 Function Check 4. Total Assembly line process4.1. Adjustment Preparation 4.5. Outgoing condition Configuration 4.2. EYE-Q function check4.3. 3D function test 4.4. IR emitter inspection6.1. Signal Table 5. HI-POT Test6. Model name & Serial number D/L 5.1. HI-POT auto-check preparation7. MAC Address & CI+ key download 7.1 MAC Address7.2 LAN Inspection 7.3. LAN PORT INSPECTIONPING TESTRear SideLG2111 A IC101Applied Model **LM580T, **560T, **LS350T, **CS460T LS350T/CS460TTDSN G301DG001D 560S, **LS350S, **CS460SLS350S/CS460S EXPLODED VIEW FROM LIPS & POWER B/D PowerDET+3.3VNormal +1.5VDDRLVDS for large inch 51Pin LVDS Connector For FHD 60Hz30Pin LVDS Connector FOR FHD REVERSE10bitS7LR2DIVXMS10 GP4LS7LR22011/06/03 DDR25612IC1201 H5TQ1G63DFR-H9CSerial Flash for SPI boot GP4LS7LR22011/06/03 SFLASH1MB10067972-0500LF CI RegionOption name of this page CISLOT because of Hong Kong ETHERNET H/W option ETHERNETGP4LS7LR22011/06/14 ETHERNET21 IR/LED and control for on.y ’12 sub without IR-OUT IR/CONTROLW/OIROUTGP4RGLOBALTUNERBLOCK TU2602TU2603 TDSS-G101D TDSN-G301DTU2601 TDSQ-G001DDVB-S2 LNB Part Allegro OptionLNBGP4LS7LR22011/11/02 DVBS27 DCDCGND and AGND are connectedAUDIO AMPSTA380BWE GP4LS7LR22011/11/16 AMPSTA380BWENAND FLASH MEMORY Normal Power VDDCNormal DDR3USB SIDE USB1DIODESHDMI2EANON SIDE HDMI HDMI1For CEC HDMI2Full Scart COMPONENTSCART AUDIO OUT SCART AUDIO MUTERS-232C 4PIN GP4LS7LR22011/09/26MSTAR DEBUG4PIN MSTART DEBUG4PIN2011/09/05 Page Contents of LCD TV Standard Repair Process Contents of LCD TV Standard Repair Process Detail Technical Manual Continue to the next pageError symptom ContentA. Video error LCD TVMain B/D↔ Power B/D, LVDS Cable,Speaker Cable,IR B/D Cable A2 Check Power Board 24v outputvoltages of Power Check variousBoard 3.5V,12V,20V 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 A8/ A9 Check color by input -External Input COMPONENT -RGB※ Check Link CableExternal device screen error-Color error Vertical/Horizontal bar, residual image, light spotConnect other external device and cable Check color condition by input -External Input -Component RGBB. Power error Check Power LEDCheck Power On ‘”High” Measure voltage of each output of Power B/DCheck Power Off Mode If Power Off mode is not displayed Check Power B/D voltagePOWEROFFABNORMAL1 POWEROFFCPUABNORMALC. Audio error 24V of PowerCheck user menu Speaker off 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 Check input signal Y Check technical Signal information input? - Fix informationRecognition error Replace Main B/DE. Noise Identify nose typeF. Exterior defect