No image | LG Electronics 42LC2D(B), 32LC2D(B), 37LC2D(B) instruction

Manual background

No image

Is the	YES Is the input cable			NO	Attach the input
Set ON?			attached?		cable(s)

NO

Push the POWER ON key

	YES

Check the				What is
Condition of all PASS
Connectors, wafers,				the input signal

I2C In the				mode?
system.

		Power Error

			FAIL

Check TMDS	FAIL	Check 5V
	FAIL

HDMI

Signal at AR1206-7		At R1232 on
Signal at AR1206-7		At R1232 on
on main board		Main board

- 26 -

PASS

								PASS

Check LVDS	PASS		Check 24bit	PASS			Check 24 bit
Check LVDS			RGB at AR700-				RGB signal at
Output of Cortez			RGB at AR700-				RGB signal at
Output of Cortez			AR705				AR1200-1205
			AR705				AR1200-1205

PASS

Check outside connections


Check for S/W error		FAIL

Replace Cortez

PASS

FAIL

Check Power

Levels and crystal

FAIL

Check 1.8V

At L1206 and 3.3V at FAIL L1207 And

crystal

PASS

Power Error

Replace Hudson		FAIL
		FAIL


	Power Error

Replace SiI9011

Image 26

LG Electronics 42LC2D(B), 32LC2D(B), 37LC2D(B) service manual No image

Contents

BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUALCHASSIS LD61A FACTORY NAME 32LC2DB-EC/37LC2DB-EC/42LC2DB-EC SERVICE MANUAL PRODUCT SAFETY CONTENTSCONTENTS SPECIFICATION General Guidance SAFETY PRECAUTIONSIMPORTANT SAFETY NOTICE Leakage Current Hot Check circuit SERVICING PRECAUTIONS Electrostatically Sensitive ES Devices Small-Signal Discrete Transistor Removal/Replacement IC Remove/ReplacementReplacement Power Output, Transistor Device Removal/Replacement SPECIFICATION 1.General SpecificationTV 2. General Specification reatment of the front polarizer 3.Optical FeatureLCD Module 4.Component Video Input Y, PB, PR RGB-PC EDID DATA 5. RGB PC INPUT Mode Table6. RGB DTV INPUT Mode Table HDMI EDID DATA 7. HDMI INPUT Mode Table8. HDMI DTV Mode Table 32LC2D 7. Mechanical specification8. Mechanical specification Table 1 Scart Arrangement 1.Full Scart Table 2 Scart Arrangement 2.Half Scart 1. Application Range ADJUSTMENT INSTRUCTION2. Specification 3. Channel Memory Before AV ADC Calibration, should be executed the 5. Select method of Panel size6. ADC Calibration Panel size selection Case1 EC and FC model use PAL-BGDHI composite signal 7. White BalanceBefore White-balance, the AV ADC should be done Cool11000K - x 0.274±0.003, y 0.286±0.003 SVC REMOCON FUNTION TROUBLESHOOTING No image Is the input cable attached? No image PASS No image No image No image No image No image AV4/S-Video L/R signal TROUBLESHOOTING AV1, 2, 3, 4/S-VideoVolume level Of AV1,AV2 ,AV3 TROUBLESHOOTING DTV/HDMI-Audio TROUBLESHOOTING RF/Component/PC Wafer BLOCK DIAGRAMMainTDFB-G236P DVB/PAL FFC Wafer CXA2069Q BLOCK DIAGRAMJackAUDIO/VI DEO SW Sound processor EXPLODED VIEW32LC2D 010 020050 EXPLODED VIEW PARTS LIST32LC2D DESCRIPTION EXPLODED VIEW37LC2D EXPLODED VIEW PARTS LIST37LC2D EXPLODED VIEW42LC2D 020080 130030 150 090 EXPLODED VIEW PARTS LIST42LC2D CAPACITOR REPLACEMENT PARTS LISTMAIN BOARD DATE 2006. 05 DATE 2006. 05 DATE 2006. 05 DIODEs COIL & CORE & INDUCTOR TRANSISTOR RESISTORs DATE 2006. 05 DATE 2006. 05 DATE 2006. 05 DATE 2006. 05 OTHERs JACK BOARD DATE 2006. 05 DIODEs COIL & CORE & INDUCTOR TRANSISTOR RESISTORs DATE 2006. 05 CONTROL BOARD SIDE A/V BOARD IR/LED BOARDPage Page Page Page Page P/NO 38289S0043 Printed in Korea