LG 55LF6000 Service Manual page 30

Headphone
*Option : HEAD_PHONE_EU
Close to the Main IC
HP_LOUT
+3.5V_ST
OPT
R3001 E
3.3K
OPT
OPT
Q3001
Q3000
OPT
MMBT3904(NXP) C B MMBT3906(NXP)
R3000
1K C
B
SIDE_HP_MUTE
E
HEAD_PHONE
HP_ROUT
Close to the Main IC
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
HEAD_PHONE
C3000
HEAD_PHONE
L3000 10uF
5.6uH 16V
OPT C
HEAD_PHONE HEAD_PHONE
C3002
C3004 R3002
B
1000pF OPT
1K
4.7uF
Q3002
50V
10V
MMBT3904(NXP)
E
HEAD_PHONE
C3001
10uF
L3001
16V
5.6uH
HEAD_PHONE OPT C
HEAD_PHONE
C3005 C3003
R3003
B
4.7uF 1000pF
1K OPT
Q3003
10V 50V
MMBT3904(NXP)
E
E
OPT
Q3004
MMBT3904(NXP)
HEAD_PHONE
B
JK3000
+3.3V_Normal
C PEJ038-3B6
GND 5
HEAD_PHONE
R3005
L 4
10K
DETECT 3
HP_DET
HEAD_PHONE
R3004
R 1
1K
E
OPT
Q3005
MMBT3904(NXP)
B
C
L14_CA_M1A 2014/05/22
HEAD_PHONE 30
LGE Internal Use Only