42LT560E-CA (CHASSIS:LC2EC) - LG TV Service Manual (repair manual). Page 31

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.

2011/10/04

HEADPHONE

15

GP4L_S7LR2

HP_DET

C1
10uF
16V

HEAD_PHONE

+3.3V_Normal

+3.5V_ST

R3

1K

HEAD_PHONE

C1501
10uF
16V

HEAD_PHONE

C2
1000pF
50V

OPT

R4
1K

HEAD_PHONE

R1

3.3K

HEAD_PHONE_POP

Q1500

MMBT3904(NXP)

HEAD_PHONE_POP

E

B

C

HP_ROUT

R2
1K

HEAD_PHONE

C1502
1000pF
50V

OPT

Q1505

MMBT3904(NXP)

HEAD_PHONE_POP

E

B

C

Q1504

MMBT3904(NXP)

HEAD_PHONE_POP

E

B

C

JK1500

KJA-PH-0-0177

HEAD_PHONE

3

DETECT

4

L

5

GND

1

R

JK1500-*1
PEJ031-01

HEAD_PHONE_32LS3500

3

DETECT

4

L

5

GND

1

R

R5
10K

HEAD_PHONE

HP_LOUT

SIDE_HP_MUTE

Q1502
MMBT3904(NXP)

HEAD_PHONE_POP

E

B

C

Q1503

MMBT3904(NXP)

HEAD_PHONE_POP

E

B

C

Q1501

MMBT3906(NXP) 

HEAD_PHONE_POP

E

B

C

Headphone  *Option : HEAD_PHONE