LG Electronics 32LS5610/561T-ZA DVB-S2 LNB Part Allegro, OptionLNB, GP4LS7LR22011/11/02 DVBS27

Page 36
DVB-S2 LNB Part Allegro

DVB-S2 LNB Part Allegro

(Option:LNB)

LNB

LNB

D2702

ZD1

40V

40V

SX34

2A

LNB

D2703

MBR230LSFT1G

LNB_OUT (Option:LNB)DCDC_GND and A_GND are connectedDCDC_GND and A_GND are connected in pin#27 30V

LNB

C2700

0.22uF

25V

LNB

 

LNB

 

LNB

 

 

 

LNB

 

 

 

C2701

 

C2713

C2705

 

 

 

 

 

 

C2707

 

 

 

 

 

 

0.01uF

 

1uF

 

68uF

 

 

68uF

 

 

 

 

 

 

50V

 

50V

 

35V

 

 

35V

 

 

 

 

 

 

 

 

 

 

 

 

close to

Boost pin(#1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DCDC_GND

 

 

 

 

LNB

 

LNB

 

 

 

 

 

D2700

 

 

 

 

C2703

 

 

 

 

 

 

SX34

 

 

 

 

0.1uF

 

 

 

 

 

 

40V

 

 

 

 

50V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A_GND

 

 

 

 

 

 

 

 

DCDC_GND

 

 

[EP]

LNB

 

GNDLX

A_GND

 

 

 

 

 

 

 

PCB_GND and A_GND are connected 3A

+12V_LNB

 

 

LNB

 

 

 

 

 

 

 

 

 

 

 

 

L2700

 

 

 

LNB

33UH

 

LNB

 

 

 

C2712

SP-7850_33

 

C2711

 

2.4A

 

10uF

 

0.1uF

 

 

50V

 

 

25V

 

 

 

 

 

 

 

 

 

close to VIN pin(#25)

 

DCDC_GND

 

 

A_GND

 

 

 

LX

VIN

BFI

NC 9

BFO

 

 

 

 

 

DCDC_GND and A_GND are connected

DCDC_GND and A_GND are connected in pin#27

PCB_GND and A_GND are connected

Input trace widths should be sized to conduct at least 3A

Ouput trace widths should be sized to conduct at least 2A

A_GND

 

 

 

 

 

 

 

 

 

BOOST

28

27

26

25

24

23

22

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VCP

THERMAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

29

 

 

 

 

 

 

LNB

 

 

 

 

 

 

TCAP

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

C2702

 

 

 

 

 

 

 

 

IC2700

 

 

0.1uF

 

 

LNB

 

NC_1

4

 

 

 

 

 

 

 

 

 

C2706

 

A8290SETTR-T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22000pF

 

 

 

 

 

 

 

 

 

 

 

TDO

5

 

 

LNB

 

 

 

 

 

 

 

A_GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EXTM 6

LNB_TX

 

 

TDI

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

9

10

 

11

 

12

13

14

 

 

 

 

GND

 

VREG

 

SDA

 

 

ADD

 

SCL

 

 

IRQ

 

A_GND

 

 

 

 

 

 

 

 

NC2

 

 

 

 

 

 

 

 

 

33

 

 

 

 

 

33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LNB

 

 

 

 

C2710 LNB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C27080.22uF

 

R2701

 

 

OPT

R2702

OPT

 

 

 

 

 

 

 

LNB

C270927pF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

27pF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A_GND

DEMOD SDA

DEMOD SCL

21NC_8

20NC_7

19BFC

18 NC_6

17

NC_5

 

A_GND

 

 

 

 

 

 

 

 

 

NC_4

 

 

 

R2705

 

 

 

R2706

 

16

0

 

 

 

 

 

 

0

 

 

 

15

NC_3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+3.3V_Normal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DCDC_GND

 

 

LNB

 

A_GND

 

 

A_GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R2704

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.7K

 

 

 

 

 

 

 

 

 

 

 

Max 1.3A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+12V/+15V

 

+12V_LNB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LNB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L2701

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLM18PG121SN1D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

 

 

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

Only for training and service purposes

GP4L_S7LR22011/11/02

DVB_S27

LGE Internal Use Only

Page 35 Page 37
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Page 35 Page 37
Contents CHASSIS LD21B 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. Video resolutions 2D 5.1. Component Input Y, CB/PB, CR/PR5.2. RGB Input PC - LS35/LS34/CS46 series models are not supported 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 Calibration4. Total Assembly line process 4.1. Adjustment Preparation3.4 Function Check 4.3. Outgoing condition Configuration 6.1. Signal Table5. HI-POT Test 6. Model name & Serial number D/L7. MAC Address & CI+ key download 6.3. Method & notice7.1 MAC Address GP4LOW7.2 LAN Inspection 7.3. LAN PORT INSPECTIONPING TESTSCREW ASSEMBLY WORKING GUIDE Screw specification and application situationח ͷͲͳͤͤͤͪͥͣ͢͡ ͙;ͤ͛ͽͥͦ͑͟͝ͳͼ͑͝;ΒΔΙΚΟΖ͚ ח ͣ͢ͶͲ ח ͷͲͳͤͨͩͩͣ͑͢͡͡ ͙;ͧ͛ͽ͑͢͡͝ͳͼ͑͝;ΒΔΙΚΟΖ͚Rear SideLG2111 A IC101Applied Model **LM580T, **560T, **LS350T, **CS460T LS350T/CS460TTDSN G301D560S, **LS350S, **CS460S LS350S/CS460SG001D EXPLODED VIEW GP4LS7LR22011.12.01 Copyright 2012 LG Electronics. Inc. All rights reservedto delete CI or gate for for SYSTEM EEPROMNormal Power VDDCNormal DDR3FROM LIPS & POWER B/D PowerDET+3.3VNormal +1.5VDDRIR/LED and control for normal models USB SIDE USB1DIODESUSB2DIODES HDMI RGB-PC / SPDIF THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL 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 S7LR2DIVXMS10 GP4LS7LR22011/06/03 DDR25612IC1201 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 GP4RGLOBALTUNERBLOCK TU2602TU2603 TDSS-G101D TDSN-G301DTU2601 TDSQ-G001DDVB-S2 LNB Part Allegro OptionLNBGP4LS7LR22011/11/02 DVBS27 DCDCGND and AGND are connectedSCART / COMPONENT&COMPSIT FULL SCART / COMPONENT1JK2801 PSC008-01AUDIO AMPSTA380BWE 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…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 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+ VoltageD. Function error 1. Remote controlR/C operating errorCheck & Repair Check input signal Y Check technical Signal information input? - Fix informationRecognition error Replace Main B/DE. Noise Identify nose typeF. Exterior defect
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