LG Electronics 42LN548C/549C-ZA, 361H-ZA Headphone, Rgb Pc, Side Usb, Pc Audio, Spdif Optic Jack

HEADPHONE

HP_LOUT

C1118

HEAD_PHONE

C

10uF

HEAD_PHONE

E

16V

C1115

R1125

HEAD_PHONE

1000pF

Q1101

B

HEAD_PHONE

50V

1K MMBT3904(NXP)

B

Q1104

JK1101

OPT

E

C MMBT3904(NXP)

+3.3V_Normal

KJA-PH-0-0177

HEAD_PHONE

HEAD_PHONE

GND

5

R1130

L

4

10K

R1155

HP_DET

1K

DETECT

3

HP_ROUT

HEAD_PHONE

R

1

C1119

10uF

HEAD_PHONE

C

16V

C1116

E

HEAD_PHONE

R1128

1000pF

1K

Q1102

B

50V

MMBT3904(NXP)

B

Q1103

OPT

HEAD_PHONE

E

MMBT3904(NXP)

C HEAD_PHONE

+3.5V_ST

HEAD_PHONE

Q1105

MMBT3906(NXP)
C	E
	B
	R1129	C
	3.3K
	HEAD_PHONE		B
			SIDE_HP_MUTE
			Q1106
		MMBT3904(NXP)
		E	HEAD_PHONE

RGB PC						+5V_Normal
				D1115
				ENKMC2838-T112
					A1
				C
					A2
			R1139	R1140		C1129
				2.2K
			2.2K			0 . 1uF
						16V
						RGB_DDC_SCL
						RGB_DDC_SDA
		C1127		C1128	R1175
		18pF		18pF	22	R1162
		50V		50V		22
DSUB_VSYNC	010L		010L
	20S 02		20S 02
DSUB_HSYNC
	ADUC	D1109	ADUC	D1113
		20V
				20V
DSUB_B+
		RGB_ZENER
	R1133	D1110
	75	20V
		ADUC 20S 02 010L
DSUB_G+
	R1135	RGB_ZENER
		D1111
	75	20V

SIDE USB

	JK1105
(LG)-ZC	USB	1
-305 -3AU04S	DOWNSTREAM	2 3 4
		5

+5V_USB

C1117

22uF

16V

D1100

RCLAMP0502BA

OPT

SIDE_USB_DM

SIDE_USB_DP

ADUC 20S 02 010L

+3.3V_Normal

200L

R1146

10K

02

DSUB_DET

5M

R1147

DSUB_R+

ADMC

1K

R1137

D1112

D1117

20V

5.6V

75

RGB_ZENER

DELETE

ADUC 20S 02 010L

RED GND

GND 2

RED

GREEN GND

DDC DATA

GREEN

BLUE GND

H SYNC

BLUE

NC

V SYNC

GND 1

SYNC GND

DDC CLOCK

DDC GND

JK1104

SPG09-DB-010

6

11

7

12

8

13

9

14

10

15

16SHILED

1

2

3

4

5

PC AUDIO

SPDIF OPTIC JACK

5 . 1 5 M s t a r C i r c u i t A p p l i c a t i o n

+3.3V_Normal

SPDIF_OUT

		C1109		C1110	C1131	C1121
R1104		22uF		10uF	0 . 1 u F	100pF
10K		16V		16V	16V	50V
DELETE	DELETE		DELETE

	JK1103
2F01TC1-CLM97-4F
GND
	1	c
VCC	2	itp O
		reb iF
VIN	3
		4
		SHIELD

JK1102
PEJ027-04
3	E_SPRING
6A	T_TERMINAL1
	B_TERMINAL1			R1107
7A				15K	PC_R_IN
		DELETE
	R_SPRING		C1107
4		D1101		R1102	R1110
		5.6V	100pF		10K
			50V	470K
		200pF
5	T_SPRING
	B_TERMINAL2			R1108
7B				15K	PC_L_IN
		DELETE
	T_TERMINAL2		C1108	R1103
6B		D1102			R1111
		5.6V	100pF	470K	10K
		200pF	50V

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.

2013 S7LR2	2012 . 11 . 12
RGB/HP/USB	11

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Only for training and service purposes