LG Electronics 32LT360C-ZA Trouble Shooting, Check the booting Voltage, Digital TV Video

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TROUBLE SHOOTING

TROUBLE SHOOTING

1. Check the booting Voltage

;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑΄ΥΒΟΕ͞ΓΪ͑·ΠΝΥΒΘΖ	ͿΠ	;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑΁ΠΨΖΣ͑	Ί ΖΤ	;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑ΕΚΤΔΠΟΟΖΔΥΚΠΟ͑ΠΗ͑	ΊΖΤ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑
΁ͥͤ͑ͪ͡ίͣ͢ΡΚΟ͑ͫ͑ͤͦ͜͟· ΐ΄΅͑		ʹΠΟΟΖΔΥΠΣ		;ΒΚΟ͑ΓΠΒΣΕ͑ͤͦ͟· ͑ΔΚΣΔΦΚΥ		ʹΚΣΔΦΚΥ͑ΓΠΒΣΕ
Ί ΖΤ
;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑;ΚΔΠΞ͑ΧΠΝΥΒΘΖ	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑ͽͥͥ͡
;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑;ΚΔΠΞ͑ΧΠΝΥΒΘΖ
ͽͥͥ͑ͫ͑ͤͦ͜͟͡· ΐ΄΅͑
Ί ΖΤ
;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑ʹͽͼ͑ΠΗ͑Ήͣ͢͡	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑Ήͣ͢͡
;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑ʹͽͼ͑ΠΗ͑Ήͣ͢͡	ͿΠ
ͺΤ͑ͣͥ;͹Ϋ
Ί ΖΤ
;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑΁Έ΃ΐ΀Ϳ͑ΠΗ͑΁ͥͤ͡	ͿΠ	΃Ζ͞ΕΠΨΟΝΠΒΕ͑ΠΗ͑ͷΚΣΞΨΒΣΖ	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑;ΤΥΒΣ͙ͺʹ͚͢͢͡
͢ΡΚΟ͑ͫ͑ͤͤ͟·				΀Σ͑;ΒΚΟ͑ΓΠΒΣΕ
Ί ΖΤ
;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑;ΦΝΥΚ͑·ΠΝΥΒΘΖ	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑ΔΚΣΔΦΚΥ͑ΓΠΒΣΕ
;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑;ΦΝΥΚ͑·ΠΝΥΒΘΖ	ͿΠ

΁ͥͤ͑ͣ͡ΡΚΟ͑ͫ͑ͣͥ· ͑ͨ͢͝ΡΚΟ͑ͫ͑ͣ͢·

	Ί ΖΤ
	;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑΀ΦΥΡΦΥ͑·ΠΝΥΒΘΖ͑ΠΗ͑ͺʹ͑ͥͣͤͨ͡͠͠	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑ͺʹͥͣͤͨ͑͡͠͠͝
	;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑΀ΦΥΡΦΥ͑·ΠΝΥΒΘΖ͑ΠΗ͑ͺʹ͑ͥͣͤͨ͡͠͠	ͿΠ	΂ͥͤ͡
	ͺʹͥͣ͑ͫ͑ͣͦ͟͡· ͑͝ͺʹͥͤͫ͑͢͟͢͡· ͑͝ͺʹͥͨ͑ͫ͑ͦ͢͟͡· ͑͝΂ͥͤ͑ͫ͑ͤͤ͟͡·		΂ͥͤ͡
	ͺʹͥͣ͑ͫ͑ͣͦ͟͡· ͑͝ͺʹͥͤͫ͑͢͟͢͡· ͑͝ͺʹͥͨ͑ͫ͑ͦ͢͟͡· ͑͝΂ͥͤ͑ͫ͑ͤͤ͟͡·
	Ί ΖΤ
	;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑ΧΠΝΥΒΘΖ͑ΠΗ͑ͽ· ͵΄͑΁ΠΨΖΣ	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑΂ͥͪ͡

΂ͥͪ͑ͫ͑ͣ͢͡·

Ί ΖΤ
;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑ΠΦΥΡΦΥ͑ΠΗ͑;΄΅Ͳ΃͑ͽ·͵΄	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑;ΤΥΒΣ͙ͺʹ͚͢͢͡
;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑ΠΦΥΡΦΥ͑ΠΗ͑;΄΅Ͳ΃͑ͽ·͵΄		΀Σ͑;ΒΚΟ͑ΓΠΒΣΕ
		΀Σ͑;ΒΚΟ͑ΓΠΒΣΕ
Ί ΖΤ
;ΒΜΖ͑ΤΦΣΖ͑ΥΙΖ͑ͺΟΧΖΣΥΖΣ͑ΔΠΟΥΣΠΝ͑ΒΟΕ͑ΖΣΣΠΣ	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑ΔΚΣΔΦΚΥ͑ΠΣ͑ΔΙΖΔΜ
΁ͥͤ͑ͩ͢͡ΡΚΟ͑ͫ͑͹ΚΘΙ͑ͣͥ͝ΡΚΟ͑ͫ͑ͽΠΨ		΅ΙΖ͑ͽʹ͵͑ΞΠΕΦΝΖ
Ί ΖΤ
ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑ͽʹ͵͑;ΠΕΦΝΖ

2. Digital TV Video

ʹΙΖΔΜ͑ΥΙΖ͑΄ΥΒΟΕ͞ΓΪ͑·ΠΝΥΒΘΖ

΁ͥͤ͑ͪ͡ίͣ͢ΡΚΟ͑ͫ͑ͤͦ͜͟· ΐ΄΅͑

	Ί ΖΤ
	ʹΙΖΔΜ͑ΥΙΖ͑΅ΦΟΖΣ͑ͤͤ͟· ͑	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑ͽͤͨͤ͡
	ʹΙΖΔΜ͑ΥΙΖ͑΅ΦΟΖΣ͑ͤͤ͟· ͑
	ͬ͑ͽͤͨͤ͡
	Ί ΖΤ
	ʹΙΖΔΜ͑ΥΙΖ͑΅ΦΟΖΣ͑ͩ͢͟·	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑ͺʹͤͨͤ͡
	ʹΙΖΔΜ͑ΥΙΖ͑΅ΦΟΖΣ͑ͩ͢͟·	ͿΠ
	ͺʹͤͨͤ͑ͣ͡ΡΚΟ͑ͫ͑ͩ͢͟·
	Ί ΖΤ
	ʹΙΖΔΜ͑ΥΙΖ͑ͺͷΐ΁͠Ϳ͑Τ ΚΘΟΒΝ	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑΅ΦΟΖΣ
	ʹΙΖΔΜ͑ΥΙΖ͑ͺͷΐ΁͠Ϳ͑Τ ΚΘΟΒΝ	ͿΠ
	΅Άͤͨͥ͑͢͢͢͡͡͠ΡΚΟ
	Ί ΖΤ
	ʹΙΖΔΜ͑ΥΙΖ͑ͽ· ͵΄͑ΠΦΥΡΦΥ͑ΤΚΘΟΒΝ͑ΠΗ͑;ΤΥΒΣ͑ͺʹ	ͿΠ	ͶΩΔΙΒΟΘΖ͑ΥΙΖ͑;ΤΥΒΣ͙ͺʹ͚͢͢͡
	ʹΙΖΔΜ͑ΥΙΖ͑ͽ· ͵΄͑ΠΦΥΡΦΥ͑ΤΚΘΟΒΝ͑ΠΗ͑;ΤΥΒΣ͑ͺʹ	ͿΠ	΀Σ͑;ΒΚΟ͑ΓΠΒΣΕ
			΀Σ͑;ΒΚΟ͑ΓΠΒΣΕ

Copyright ©	LG Electronics. Inc. All rights reserved.	- 15 -	LGE Internal Use Only
Only for training and service purposes

Image 15

Contents http//eic.lgservice.com SERVICE MANUALREAD THE SAFETY PRECAUTIONS IN THIS MANUAL http//aic.lgservice.comLGE Internal Use Only Only for training and service purposesCopyright LG Electronics. Inc. All rights reservedLeakage Current Cold CheckAntenna Cold Check SAFETY PRECAUTIONSGeneral Guidance Before returning the receiver to the customerElectrostatically Sensitive ES Devices SERVICING PRECAUTIONSRemoval IC Remove/ReplacementReplacement Small-Signal Discrete Transistor Removal/Replacement3. Test method SPECIFICATION4. Model General Specification 1. Application range5.1. Component Input Y, CB/PB, CR/PR 5. Video resolutions 2D5.2. RGB Input PC 5.3. HDMI InputPC/DTVPCDVI 3. Main PCB check process ADJUSTMENT INSTRUCTION1. Application Range 2. Designation3.2. Function Check 4. Total Assembly line process4.1. Adjustment Preparation 3.1. ADC Process4.3 DDC EDID Write HDMI 256Byte Manual W/B process using adjust Remote control4.4. EDID data 4.2. DDC EDID Write RGB 128ByteAdjust sequence 4.5. V-COM AdjustOnly LGDM+S Module4.6. Outgoing condition Configuration Why need Vcom adjustment?5.3. Method & notice 5. Model name & Serial number D/L5.1. Signal Table 5.2. Comand Set6. CI+ Key Download method 6.1. Download ProcedureCI+ Key Value TROUBLE SHOOTING 1. Check the booting Voltage2. Digital TV Video 4. AV Video 3. Analog TV Video6. HDMI Video 5. RGB Video8. TV Audio 7. Audio of All iput10. RGB Audio 9. AV AudioRear DIAGRAMBLOCK and service purposesEXPLODED VIEW GP3S7LR 20110511Copyright 2012 LG Electronics. Inc. All rights reserved COMP CVBS+2.5V/+1.8V FROM LIPS & POWER B/DPowerDET +1.5VDDRIR OUT CONTROL IR & LEDUSBOCPDIODE USBDIODESGP2R 20101023D803 AVRL161A1R1NT IC1202 H5TQ1G63DFR-H9C S7LRDIVXMS10IC1201 IC101 LGE2112-T8P4RGLOBALTUNERBLOCK GP3S7LRTUNERL NTP7400 IC501NTP-7500L 20110324Rear AV F u l l S c a r t SIDE COMPONENT PHONE JACKREARJACK Page 12V EXT PowerOut DC DC CONVERTER +12VONLY PSU For External powerRS232C Pol - change LVDS for large inchMIRROR Pol - change MIRRORIC1401-*1 SFLASHIC1401 MX25L8006EM2I-12GSPEAKER OUT JACK EXTSPEAKERAMPCI Region Option name of this page CI SLOT because of Hong KongPCMCI