Headphone Diagram - LG 55LB5610 Service Manual

Headphone
*Option : HEAD_PHONE_EU
Close to the Main IC
HEAD_PHONE
HP_LOUT
+3.5V_ST
E
OPT
OPT
Q3001
MMBT3906(NXP)
OPT R3001 B
C
R3000 3.3K
1K B C
SIDE_HP_MUTE
Q3000
MMBT3904(NXP)
E
OPT
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 © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
L3000
5.6uH HEAD_PHONE
HEAD_PHONE C3000 C
OPT
C3004 HEAD_PHONE
10uF C3002
R3002
4.7uF Q3002 B
16V 1000pF
1K
10V
50V MMBT3904(NXP)
OPT
E
L3001
HEAD_PHONE
5.6uH
C3001 C
OPT
HEAD_PHONE HEAD_PHONE
C3005 10uF C3003
R3003
Q3003 B
4.7uF 16V 1000pF
1K MMBT3904(NXP)
10V 50V
OPT
E
E
Q3004
MMBT3904(NXP)
B HEAD_PHONE
OPT
JK3000
+3.3V_Normal KJA-PH-0-0177
C
GND 5
HEAD_PHONE
R3005
L 4
10K
DETECT 3
HP_DET
R3004
1K
R 1
HEAD_PHONE
E
Q3005
MMBT3904(NXP)
B
OPT
C
NC5_M1A 2013.04.29
HEAD_PHONE_EU 30
LGE Internal Use Only