LG Electronics 37LC2D(B), 32LC2D(B), 42LC2D(B) service manual Is the input cable, attached?

LG Electronics 37LC2D(B), 32LC2D(B), 42LC2D(B) service manual General Specification, reatment of the front polarizer LG Electronics 42LC2D(B), 32LC2D(B), 37LC2D(B) service manual Optical FeatureLCD Module, Component Video Input Y, PB, PR LG Electronics 32LC2D(B), 37LC2D(B), 42LC2D(B) RGB PC INPUT Mode Table, RGB DTV INPUT Mode Table, Rgb-Pc Edid Data LG Electronics 37LC2D(B), 32LC2D(B), 42LC2D(B) service manual HDMI INPUT Mode Table, HDMI DTV Mode Table, Hdmi Edid Data LG Electronics 42LC2D(B), 32LC2D(B), 37LC2D(B) service manual Mechanical specification, Scart Arrangement 1.Full Scart LG Electronics 32LC2D(B), 37LC2D(B), 42LC2D(B) service manual Scart Arrangement 2.Half Scart LG Electronics 37LC2D(B) Adjustment Instruction, Application Range, Specification, Channel Memory, Hudson Download, Ready LG Electronics 42LC2D(B), 32LC2D(B) Select method of Panel size, Before AV ADC Calibration, should be executed the LG Electronics 32LC2D(B), 37LC2D(B), 42LC2D(B) service manual White Balance, Before White-balance, the AV ADC should be done LG Electronics 37LC2D(B), 32LC2D(B), 42LC2D(B) service manual Svc Remocon, Funtion LG Electronics 42LC2D(B), 32LC2D(B), 37LC2D(B) service manual Troubleshooting LG Electronics 32LC2D(B), 37LC2D(B), 42LC2D(B) service manual No image LG Electronics 37LC2D(B), 32LC2D(B), 42LC2D(B) service manual Is the input cable, attached? LG Electronics 42LC2D(B), 32LC2D(B), 37LC2D(B) service manual No image LG Electronics 32LC2D(B), 37LC2D(B), 42LC2D(B) service manual Pass LG Electronics 37LC2D(B), 32LC2D(B), 42LC2D(B) service manual No image LG Electronics 42LC2D(B), 32LC2D(B), 37LC2D(B) service manual No image LG Electronics 32LC2D(B), 37LC2D(B), 42LC2D(B) service manual No image LG Electronics 37LC2D(B), 32LC2D(B), 42LC2D(B) service manual No image LG Electronics 42LC2D(B), 32LC2D(B), 37LC2D(B) service manual No image LG Electronics 32LC2D(B) TROUBLESHOOTING AV1, 2, 3, 4/S-Video, Volume level Of, AV1,AV2 ,AV3, AV4/S-Video L/R signal LG Electronics 37LC2D(B), 32LC2D(B), 42LC2D(B) service manual TROUBLESHOOTING DTV/HDMI-Audio LG Electronics 42LC2D(B), 32LC2D(B), 37LC2D(B) service manual TROUBLESHOOTING RF/Component/PC LG Electronics 32LC2D(B) BLOCK DIAGRAMMain, TDFB-G236P DVB/PAL, FFC Wafer, 74LCX244, State Buffer, STi5100, Hudson LG Electronics 37LC2D(B), 32LC2D(B), 42LC2D(B) BLOCK DIAGRAMJack, Audio/Vi Deo Sw, CXA2069Q, Sound processor, MSP4410K LG Electronics 42LC2D(B), 32LC2D(B), 37LC2D(B) service manual EXPLODED VIEW32LC2D, 010 020050 LG Electronics 32LC2D(B), 37LC2D(B), 42LC2D(B) service manual EXPLODED VIEW PARTS LIST32LC2D, Description LG Electronics 37LC2D(B), 32LC2D(B), 42LC2D(B) service manual EXPLODED VIEW37LC2D LG Electronics 42LC2D(B), 32LC2D(B), 37LC2D(B) service manual EXPLODED VIEW PARTS LIST37LC2D, Description LG Electronics 32LC2D(B), 37LC2D(B), 42LC2D(B) service manual EXPLODED VIEW42LC2D, 020080 130030 150 090 LG Electronics 37LC2D(B), 32LC2D(B), 42LC2D(B) service manual EXPLODED VIEW PARTS LIST42LC2D, Description LG Electronics 42LC2D(B), 32LC2D(B), 37LC2D(B) service manual Replacement Parts List, Main Board, Capacitor LG Electronics 32LC2D(B), 37LC2D(B), 42LC2D(B) service manual DATE 2006. 05 LG Electronics 37LC2D(B), 32LC2D(B), 42LC2D(B) service manual DATE 2006. 05 LG Electronics 42LC2D(B), 32LC2D(B), 37LC2D(B) service manual DATE 2006. 05 LG Electronics 32LC2D(B), 37LC2D(B), 42LC2D(B) service manual DIODEs
Page 19
Is the input cable

No image

Is the

YES

NO

Attach the input

 

 

 

Set ON?

 

Is the input cable

 

cable(s)

 

 

 

 

 

attached?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

YES

 

 

 

 

 

 

 

Push the POWER

 

 

 

 

 

 

 

 

 

ON key

 

Check the

 

 

What is

 

 

Power Error

 

 

 

Condition of all

PASS

 

 

 

 

 

 

 

 

 

 

 

Connectors, wafers,

 

 

the input signal

 

 

 

 

 

 

I2C In the

 

 

mode?

 

 

FAIL

 

 

 

system.

 

 

 

 

 

 

 

 

 

 

 

 

 

Check CVBS

FAIL

Check 3.3V

 

 

 

 

 

 

AV2

Signal at R105

 

At L110 on jack

 

 

 

 

 

 

 

of jack board

 

board

 

 

 

 

 

 

 

PASS

 

PASS

- 19

 

 

 

 

 

 

 

 

Replace Jack board

-

 

PASS

Check 24bit

PASS

 

 

 

 

Check LVDS

 

Check Main_V

Check Sub_V

 

 

 

 

 

 

 

 

RGB at AR700-

 

 

 

 

 

Output of Cortez

 

 

 

At R309

At R302

 

 

PASS

 

AR705

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check for S/W error

FAIL

 

FAIL

 

 

FAIL

 

 

 

 

Replace Cortez

 

 

 

 

Check Q303

 

 

 

 

 

 

Check Power

 

 

PASS

 

 

 

 

 

Levels and crystal

 

 

Circuit and 9V

Replace CXA2069

 

 

 

 

 

 

at L300

 

 

 

 

PASS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace Hudson

 

 

 

FAIL

Correct the circuit

 

 

FAIL

 

 

 

 

 

 

 

Power Error

 

 

 

 

 

 

Page 18 Page 20
Image 19 LG Electronics 37LC2D(B), 32LC2D(B), 42LC2D(B) service manual Is the input cable, attached?
Page 18 Page 20
Contents SERVICE MANUAL READ THE SAFETY PRECAUTIONS IN THIS MANUALCHASSIS LD61A FACTORY NAME 32LC2DB-EC/37LC2DB-EC/42LC2DB-EC BEFORE SERVICING THE CHASSISSPECIFICATION CONTENTSCONTENTS PRODUCT SAFETYLeakage Current Hot Check circuit SAFETY PRECAUTIONSIMPORTANT SAFETY NOTICE General GuidanceElectrostatically Sensitive ES Devices SERVICING PRECAUTIONSPower Output, Transistor Device Removal/Replacement IC Remove/ReplacementReplacement Small-Signal Discrete Transistor Removal/Replacement1.General SpecificationTV SPECIFICATIONreatment of the front polarizer 2. General Specification4.Component Video Input Y, PB, PR 3.Optical FeatureLCD Module6. RGB DTV INPUT Mode Table 5. RGB PC INPUT Mode TableRGB-PC EDID DATA 8. HDMI DTV Mode Table 7. HDMI INPUT Mode TableHDMI EDID DATA Table 1 Scart Arrangement 1.Full Scart 7. Mechanical specification8. Mechanical specification 32LC2DTable 2 Scart Arrangement 2.Half Scart 3. Channel Memory ADJUSTMENT INSTRUCTION2. Specification 1. Application RangePanel size selection 5. Select method of Panel size6. ADC Calibration Before AV ADC Calibration, should be executed theCool11000K - x 0.274±0.003, y 0.286±0.003 7. White BalanceBefore White-balance, the AV ADC should be done Case1 EC and FC model use PAL-BGDHI composite signalFUNTION SVC REMOCONTROUBLESHOOTING No image attached? Is the input cableNo image PASS No image No image No image No image No image AV1,AV2 ,AV3 TROUBLESHOOTING AV1, 2, 3, 4/S-VideoVolume level Of AV4/S-Video L/R signalTROUBLESHOOTING DTV/HDMI-Audio TROUBLESHOOTING RF/Component/PC FFC Wafer BLOCK DIAGRAMMainTDFB-G236P DVB/PAL WaferSound processor BLOCK DIAGRAMJackAUDIO/VI DEO SW CXA2069Q010 020050 EXPLODED VIEW32LC2DDESCRIPTION EXPLODED VIEW PARTS LIST32LC2DEXPLODED VIEW37LC2D EXPLODED VIEW PARTS LIST37LC2D 020080 130030 150 090 EXPLODED VIEW42LC2DEXPLODED VIEW PARTS LIST42LC2D MAIN BOARD REPLACEMENT PARTS LISTCAPACITOR DATE 2006. 05 DATE 2006. 05 DATE 2006. 05 DIODEs COIL & CORE & INDUCTOR RESISTORs TRANSISTORDATE 2006. 05 DATE 2006. 05 DATE 2006. 05 DATE 2006. 05 JACK BOARD OTHERsDATE 2006. 05 COIL & CORE & INDUCTOR DIODEsRESISTORs TRANSISTORDATE 2006. 05 CONTROL BOARD IR/LED BOARD SIDE A/V BOARDPage Page Page Page Page Printed in Korea P/NO 38289S0043
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