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LGE Internal Use Only
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
6. Audio Out Block Diagram
HDMI
_A
RC
[T4]
GPIO
17
[K1]
IF
P
I2C_SDA4 / SCL4
AUD_
SC
K
AMP_RESET_N
HP_L
/ROU
T
H/P
Jack
SIDE_H
P_MUTE
GPIO
90_SCLK
[AM27]
GPIO
89_WCLK
[AK28
]
GPIO
93_MCLK
[AL27]
HP
OL [F4]
HP
OR [F5]
TU_SIF
GPIO1
_T_SCL[H2
]
GPIO2
_T_SDA[H1
]
H/P
AM
P
TPA6138A
2
(IC6100)
LP
F
[AI2R]
SPDIF_OU
T
COMP1
/AV1/DVI_L/R_IN
[A4]
AI1L
[B4]
AI1R
HP_L
/ROUT_AM
P
LP
F
LP
F
Realtek K2Lp
Tuner
[D11]
SPDI
F_
OU
T
AUD_
LRCH
AUD_
LRCK
AMP_MUTE
SPK_R+ /
R-
SPK_L+ /
L-
MAIN
AM
P
NTP751
5
(IC5800)
MICO
M
SPK
L
SPK
R
22
27
[38]
CLK_
I
[8]
WC
K
[7]
AU
D_LRC
H
[10,11
]
[36]
[30,
33
]
[18,
21
]
AV/C
OM
P
HDMI3
SPDIF
US
M
odel
use this jack
for
SVC(RS-232C).