LG 55UH615 - AUDIO OUT BLOCK DIAGRAM

- 31 -
LGE Internal Use Only
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
6. Audio Out Block Diagram
HDMI_ARC
[T4] GPIO17
[K1] IFP
I2C_SDA4 / SCL4
AUD_SCK
AMP_RESET_N
HP_L/ROUT
H/P Jack
SIDE_HP_MUTE
GPIO90_SCLK [AM27]
GPIO89_WCLK [AK28]
GPIO93_MCLK [AL27]
HPOL [F4]
HPOR [F5]
TU_SIF
GPIO1_T_SCL[H2]
GPIO2_T_SDA[H1]
H/P AMP
TPA6138A2
(IC6100)
LPF
[AI2R]
SPDIF_OUT
COMP1/AV1/DVI_L/R_IN
[A4] AI1L [B4] AI1R
HP_L/ROUT_AMP
LPF
LPF
Realtek
K2Lp
Tuner
[D11] SPDIF_OUT
AUD_LRCH
AUD_LRCK
AMP_MUTE
SPK_R+ / R-
SPK_L+ / L-
MAIN AMP
NTP7515
(IC5800)
MICOM
SPK L SPK R
22 27
[38] CLK_I [8] WCK [7] AUD_LRCH [10,11] [36]
[30, 33] [18, 21]
AV/COMP
HDMI3
SPDIF
US Model use this jack
for SVC(RS-232C).