LG 47LN57XX / 47LN570S / 47LN570V / 47LN5758 / 47LN575S / 47LN575V / 47LN5778 / 47LN578V (CHASSIS:LD33B) Service Manual ▷ View online
6. Audio Out Block Diagram
SPDIF_OUT
IC8101
Audio AMP
NTP7513
LPF
COMP1/AV1/DVI_L_IN_SOC
COMP1/AV1/DVI_R_IN_SOC
[ASPDIF0]
T
uner
TR BUF
[MPXP]
SCART
DTV/MNT_L/R_OUT
[AL1_ADAC]
[AR1_ADAC]
SC_L_IN / SC_R_IN
SCART_L/Rout
AUD_LRCH
HP_L/ROUT_MAIN
HEAD PHONE
LPF
4P WAFER
[AL0_ADAC]
[AR0_ADAC]
LGE 2122
TUNER_SIF
[AOLRCK]
[AOSDATA0]
AUD_LRCK
AUD_SCK
[AOBCK]
[STB_SDA]
[STB_SCL]
I2C_SDA1
I2C_SCL1
IC3000
MICOM
AMP_MUTE
[AIN1_L_AADC]
[AIN1_R_AADC]
[AIN4_L_AADC]
[AIN4_R_AADC]
JK501
DVB only
DVB only
AUD_MASTER_CLK
[AOMCLK]
JK4600
[OPCTRL4]
AMP_RESET_N
IC6100
TPA6138A2PWR
HP AMP
JK3602
JK3700
LPF
SPEAKER_L
SPEAKER_R
IC6000
AZ4580MTR
OP AMP
Mute CTRL
(TR)
S
CA
RT
_
_
M
UT
E
E
SCART
JK4600
WOOFER
SIDE_HP_MUTE
LPF
HP_L/ROUT_AMP
7. HDMI
HDMI1
HDMI2
HDMI3
C
E
C
_
R
E
M
OT
E
E
RENESAS
MICOM
HDMI_CEC
LGE 2122
Q3001
DDC_SCL_1_SOC
DDC_SCL_2_JACK
DDC_SDA_2_JACK
DDC_SCL_3_JACK
DDC_SDA_3_JACK
TMDS Link 8bits
HDMI_ARC
DDC_SDA_1_SOC
X-tal
32.768kHz
TMDS Link 8bits
TMDS Link 8bits
WOL_CTL
SIL1292
I2C_SCL4
I2C_SDA4
5V_BUS
OCP
5V_MHL
MHL_DET
TMDS Link or MHL Link
EPI Tx
Block
LGE 2122
8. Panel Interface Block Diagram
Z_Out
50Pin X 2
PANEL_VCC
(+12V)
PMIC
TPS65178
Level Shift
TPS65198
EPI CH4 +/-
EPI CH5 +/-
EPI CH6 +/-
EPI CH5 +/-
EPI CH6 +/-
VCOM_P
VCOM_N
VCOM_LOOP
VCOM
EPI CH1 +/-
EPI CH2 +/-
EPI CH3 +/-
EPI CH2 +/-
EPI CH3 +/-
VCOM_DYN
VCOMLFB
VCOMRFB
GM
A
1
/GM
A
3
/G
A
M
9
/GM
A
1
0
/GM
A
1
6
/GM
A
1
8
VDD
VCC
VCC1.8
C
LK
1
1
_
I~C
LK
6
LK
6
_
I
GMA4/GMA5/GAM7/GMA12/GMA14/ GMA15
GMA4/GMA5/GAM7/GMA12/GMA14/GMA15
EO
GST
GCLK
MCLK
MCLK
E
P
I_
L
OCK3
EPI_LOCK6_SOURCE
EPI_LOCK6
H_VDD
TR/
Diode
TR/
Diode
SWP
CTRLP
SWN
CTRLN
VGH
VGL
V
GL
_
_
I
VGH_EVEN/VGH_ODD
VGH_F/VGH_R
6
6
2
2
2
2
2
2
2
2
6
VST
GI
P
P
_
RS
T
9. PMIC & Level Shift Bloc Diagram
PMIC
TPS65178
Boost Converter
Buck 1 converter(VCC)
Buck 2 converter(Vcore)
Buck 3 converter(HVdd)
Buck 4 converter(VCC18)
Positive Charge Pump Controller
Negative Charge Pump Controller
6-Ch Gamma Buffer(DAC output)
Vcom reference & gain
Reset
PANEL_VCC
VCC18
VCC
HVdd
Vdd
VCOM_P
VCOM_N
GAM4/5/7/12/14/15
CTRLN
SWP
SWN
CTRLP
VCOM_LOOP
PMIC_RESET
Vcore
Level Shift
TPS65198
TR/
Diode
TR/
Diode
VGL
VGH
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