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LG Electronics 32LT360C-ZA service manual IC501, NTP-7500L, GP3S7LR, 20110324, NTP7400

Models: 32LT360C-ZA

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IC501

+3.3V_Normal AMP_RESET

R521

C516

10K

1000pF

50V

L502

50V

+24V_AMP

BLM18PG121SN1D

22000pF

OPT

C517

AUD_MASTER_CLK

R507

3 . 3

+24V

+24V_AMP

OPT

OUT1A 2

OUT1A 1

PVDD1 3

PVDD1 2

PVDD1 1

C519

C521

C523

C525

PGND1A

[E P ] VDD IO

GND IO

/RESET

0 . 0 1 u F

C515

0 . 1 u F

0 . 1 u F

10uF

C514

BST1A

50V

CLK I

50V

50V

35V

10uF

0 . 1 u F

L501

10V

16V

MLB-201209-0120P-N2

AD

D501

1N4148W

R508

R515

NOISE_IMPR.

NOISE_IMPR.

100V

12

12

C501

C502

C506

C508

C510

C512

OPT

C530

10uF

10uF

0 . 1 u F

0 . 1 u F

0 . 1 u F

10V

0 . 1 u F

10V

390pF

50V

50V

16V

50V

16V

48

47

46

45

44

43

42

41

40

39

38

37

C504

1000pF

C503

50V

AGND_PLL

OUT1B_2

C531

100pF

R505

1

36

D502

390pF

50V

50V

3.3K

1N4148W

R509

R513

AVDD_PLL

OUT1B_1

100V

2

35

12

12

THERMAL

OPT

DVDD_PLL

3

34

PGND1B

49

C526

LF

BST1B

22000pF

4

IC501

33

50V

DGND_PLL

5

32

VDR1

NTP-7500L

OPT

GND_1

6

31

VCC_5

C511

10uF

C513

10V

0 . 1 u F

DGND

AGND

16V

7

30

DVDD

8

29

VDR2

C528

C529

C534

SDATA

BST2A

9

28

1uF

1uF

1uF

AUD_LRCH

25V

25V

25V

WCK

PGND2A

10

27

C527

AUD_LRCK

BCK

OUT2A_2

22000pF

11

26

50V

AUD_SCK

SDA

OUT2A_1

AMP_SDA

R503

100

12

25

AMP_SCL

R504

100

13

14

15

16

17

18

19

20

21

22

23

24

+3.5V_ST

C507

C509

33pF

33pF

50V

50V

SCL

/FAULT

MONITOR0

MONITOR1

MONITOR2

BST2B

PGND2B

OUT2B 1

OUT2B 2

PVDD2 1

PVDD2 2

PVDD2 3

+24V_AMP

D503

R510

R514

R502

1N4148W

12

12

100V

R520

10K

R506

OPT

10K

C532

C

100

390pF

C505

50V

R501

B

Q501

1000pF

C520

C522

C524

AMP_MUTE

50V

C533

MMBT3904(NXP)

0 . 1 u F

0 . 1 u F

10uF

10K

390pF

E

50V

50V

35V

D504

50V

C518

1N4148W

R511

R512

22000pF

100V

12

12

50V

OPT

R522

0

POWER_DET

OPT

L505

10.0uH

L506

10.0uH

L503

10.0uH

L504

10.0uH

C535

0 . 4 7 u F

50V

C536

0 . 4 7 u F

50V

							SPK_L+
					C537		R516
					C537		R516
					0 . 1 u F		4.7K
					50V		4.7K
							SPEAKER_L
							SPEAKER_L
					C538		R517
					0 . 1 u F		R517
					50V		4.7K
							SPK_L-
							SPK_L-

WAFER-ANGLE

SPK_L+	4

SPK_L-	3

SPK_R+	2

SPK_R-	1

P501

							SPK_R+
					C539		R518
					C539		R518
					0 . 1 u F		4.7K
					50V		SPEAKER_R


					C540		R519


					0 . 1 u F		4.7K
					50V
							SPK_R-
							SPK_R-

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.

							GP3_S7LR																	20110324


							NTP7400																	16

Copyright © 2012 LG Electronics. Inc. All rights reserved.	LGE Internal Use Only
Only for training and service purposes

Image 30

LG Electronics 32LT360C-ZA service manual IC501, NTP-7500L, GP3S7LR, 20110324, NTP7400

Contents

http//aic.lgservice.com SERVICE MANUALREAD THE SAFETY PRECAUTIONS IN THIS MANUAL http//eic.lgservice.comLG Electronics. Inc. All rights reserved Only for training and service purposesCopyright LGE Internal Use OnlyBefore returning the receiver to the customer SAFETY PRECAUTIONSGeneral Guidance Leakage Current Cold CheckAntenna Cold CheckSERVICING PRECAUTIONS Electrostatically Sensitive ES DevicesSmall-Signal Discrete Transistor Removal/Replacement IC Remove/ReplacementReplacement Removal1. Application range SPECIFICATION4. Model General Specification 3. Test method5. Video resolutions 2D 5.1. Component Input Y, CB/PB, CR/PR5.2. RGB Input PC 5.3. HDMI InputPC/DTVPCDVI 2. Designation ADJUSTMENT INSTRUCTION1. Application Range 3. Main PCB check process3.1. ADC Process 4. Total Assembly line process4.1. Adjustment Preparation 3.2. Function Check4.2. DDC EDID Write RGB 128Byte Manual W/B process using adjust Remote control4.4. EDID data 4.3 DDC EDID Write HDMI 256ByteWhy need Vcom adjustment? 4.5. V-COM AdjustOnly LGDM+S Module4.6. Outgoing condition Configuration Adjust sequence5.2. Comand Set 5. Model name & Serial number D/L5.1. Signal Table 5.3. Method & notice6. CI+ Key Download method 6.1. Download ProcedureCI+ Key Value 2. Digital TV Video TROUBLE SHOOTING1. Check the booting Voltage Only for training and service purposesOnly for training and service purposes 3. Analog TV Video4. AV Video CopyrightOnly for training and service purposes 5. RGB Video6. HDMI Video CopyrightOnly for training and service purposes 7. Audio of All iput8. TV Audio CopyrightOnly for training and service purposes 9. AV Audio10. RGB Audio Copyrightand service purposes DIAGRAMBLOCK RearEXPLODED VIEW 20110511 Only for training and service purposesGP3S7LR Copyright 2012 LG Electronics. Inc. All rights reservedCVBS COMP+1.5VDDR FROM LIPS & POWER B/DPowerDET +2.5V/+1.8VCopyright 2012 LG Electronics. Inc. All rights reserved Only for training and service purposesCONTROL IR & LED LGE Internal Use OnlyGP2R Only for training and service purposesUSBDIODES 20101023LGE Internal Use Only Only for training and service purposesCopyright 2012 LG Electronics. Inc. All rights reserved D803 AVRL161A1R1NTCopyright 2012 LG Electronics. Inc. All rights reserved Only for training and service purposesS7LRDIVXMS10 LGE Internal Use OnlyGP3S7LR P4RGLOBALTUNERBLOCKOnly for training and service purposes TUNERLGP3S7LR IC501NTP-7500L 20110324F u l l S c a r t SIDE COMPONENT PHONE JACK Only for training and service purposesRear AV GP3S7LRPage Only for training and service purposes 12V EXT PowerOutDC DC CONVERTER +12VONLY PSU For External power RS232CCopyright 2012 LG Electronics. Inc. All rights reserved LVDS for large inchOnly for training and service purposes LGE Internal Use OnlySFLASH GP3S7LR20110324 IC1401Only for training and service purposes EXTSPEAKERAMPSPEAKER OUT JACK Copyright 2012 LG Electronics. Inc. All rights reservedOption name of this page CI SLOT because of Hong Kong Only for training and service purposesCI Region PCMCI