LG Electronics 32LT360C-ZA service manual Extspeakeramp, Speaker Out Jack, LGE Internal Use Only

RJP

+12V/+15V

RJP

Q1800

L1800

BLM18PG121SN1D

AO3407A RJP

S

D

R1800

C1800

R1836

C1801

C1803

RJP

10K

2 . 2 u F

1uF

22uF

R1802

1K

25V

RJP

16V RJP

RJP_PROTECTION

G

16V

10K

OPT

OPT

RJP

R1801

Q1802

10K

AO3407ARJP_PROTECTION

S

D

RJP_PROTECTION

RJP

R1833

G

RJP_PROTECTION

JK1800

5.1K

100K

KRJV9768-1001-024

RJP_PROTECTION

R1837

0

R1835

R1834

RJP_PROTECTION

5.1K

1

1

RJP_NORMAL

2

R1856

0

R1806

510

RJP

RJP_CTRL0

2

3

R1804

510

RJP

RJP_CTRL1

3

4

R1805

510

RJP

RJP_CTRL2

4

5

R1807

510

RJP

5

RJP_CTRL3

6

R1854

510

RJP

RJP_CTRL4

6

7

7

RJP

RJP

RJP

RJP

RJP

RJP

RJP

RJP

RJP

RJP

8

C1842 0.01uF

C1804 0.01uF

.01uF

C1806 0.01uF

C1807 0.01uF

R1855 3.9K

R1809 9K .3

R1810 3.9K

R1811 3.9K

R1812

8

ZD1805 5.1V

ZD1801 5.1V

ZD1802 5.1V

ZD1803 5.1V

1V.5 ZD1804

RJP 8.2K

0

RJP

RJP

RJP

RJP

C1805

EXT_SPEAKER_AMP

+5V_SUB_AMP

SPEAKER OUT JACK

						C1835	C1836
						22uF	0 . 1 u F
						16V
							EXT_SPK
						EXT_SPK
						EXT_SPK
						IC1800
					TPA6011A4PWPRG4
					PGND_1	ROUT+
					1	24
					ROUT-	SE/BTL
009:X24	EXT_SPK_R-				2	23		100 R1847 EXTSPK
	EXT_SPK				PVDD_1	HP/LINE EXT_SPK
					3	22
	R1814						R1846	EXT_SPK
	1K				RHPIN		0	R1849
		EXT SPK				VOLUME		3.3K
			C1802 1uF		4	21
				10V	RLINEIN	SEDIFF
	EXT_AMP_R_IN				5	20
	002:V11
					RIN	SEMAX
					6	19
					VDD	AGND
					7	18
		EXTSPK			LIN	BYPASS
			C1834 1uF		8	17		EXT_SPK
				10V
					LLINEIN	FADE		C1837
								1uF
	EXT_AMP_L_IN				9	16		25V

EXT_SPK_R+

EXT_SPK 009:X24 R1813

1K

+3.5V_ST

EXT_SPK 4.7K

JK1801
PEJ029-02
8	G_SPRING
3	E_SPRING
4	R_SPRING
5	T_SPRING
7	B_TERMINAL
6	T_TERMINAL

L1802 EXT_SPK

EXT_SPK_R- 3:AF8 L1803 EXT_SPK

EXT_SPK_R+ 3:AF8 L1804 EXT_SPK

EXT_SPK_L- 3:AF8 L1805 EXT_SPK

EXT_SPK_L+ 3:AF8

C1812	C1813	C1810	C1811
39pF	39pF	39pF	39pF
OPT	OPT	OPT	OPT

+3.3V_Normal

OPT R1827 51K

EXT_SPK

R1828 100

EXT_SPK_DET

EXT_SPK

R1808

4.7K

002:V11

R1850

R1852

LHPIN		SHUTDOWN
	10	15	R1851
PVDD_2		LOUT+

100EXT_SPK

EXT_SPK

C100

11	14		10K
		EXT_SPK_L+	EXT_SPK

B

R1853

SUB_AMP_MUTE

			LOUT-			PGND_2		009:X24
009:X24 EXT_SPK_L-				12	13
	EXT SPK	R1845 1K					R1848 1K	EXT SPK

Q1805

EMMBT3904(NXP)

EXT_SPK

OPT 100 R1803

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
SIDE_JACK	18

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