Read LG 55GA7800-CB (CHASSIS:LC37G) Service Manual online
THERMAL
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.
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.
R6403
OPT
4.7K
HP_ROUT
+3.3V_NORMAL
C6400
1uF
10V
1uF
10V
HP_OUT
L6400
120-ohm
HP_OUT
BLM18PG121SN1D
SIDE_HP_MUTE
R6404
4.7K
4.7K
HP_OUT
C6401
1uF
1uF
10V
HP_OUT
C6405
0.1uF
16V
HP_OUT
C6402
1uF
10V
1uF
10V
HP_ROUT_MAIN
R6400
4.7K
HP_OUT
R6405
1K
1K
HP_OUT
C6406
2.2uF
10V
2.2uF
10V
HP_OUT
HP_LOUT
Q6400
MMBT3904(NXP)
E
B
C
HP_LOUT_MAIN
R6401
OPT
R6402
4.7K
HP_OUT
+3.3V_NORMAL
C6404
2.2uF
10V
2.2uF
10V
HP_OUT
C6407
2.2uF
10V
HP_OUT
C6403
10uF
10V
10V
HP_OUT
HP_AMP_MUTE
R6406
10
10
1/16W
5%
5%
R6407
10
10
1/16W
5%
5%
C6408
0.47uF
16V
0.47uF
16V
HP_OUT
C6409
0.47uF
16V
0.47uF
16V
HP_OUT
IC6400
TPA6132A2
TPA6132A2
EAN60724701
HP_OUT
3
INR+
2
INL+
4
INR-
1
INL-
5
OUTR
6
G0
7
G1
8
HPVSS
9
CPN
10
PGND
11
CPP
12
HPVDD
13
EN
14
VDD
15
SGND
16
OUTL
17
[EP]
2011.06.29
HEADPHONE AMP
61
EARPHONE AMP
From Micom
Close to the IC
Low Pass Filter
Place Near jack Side
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