LG 55LW5600 (CHASSIS:LA12C) Service Manual ▷ View online
* Each of analog signals shall be designed with “Common Mode (INCM) signal ”
3. Audio Signal block
BCM3549
TR
Buffer
SIF
LGE35230
AADC_LINE_L3
AADC_LINE_R3
AADC_LINE_R3
SPDIF_OUT
ATSC/NTSC
UFA55AL
ATSC/NTSC
UFA55AL
MUTE
From Micom
From Micom
I2SSCK_OUT
I2SWS_OUT
I2SSD_OUT
I2SSOSCK_OUT
TAS5727
TAS5727
SPDIF_OUT
I2S
HP_L/R
TPA6132
(HP AMP)
TPA6132
(HP AMP)
VI_SIF1_1,2
AV1 Audio (Rear)
REAR_AV_L_IN
REAR_AV_R_IN
AADC_LINE_L4
AADC_LINE_R4
AADC_LINE_R4
Comp1 Audio (Rear)
COMP1_L_IN
COMP1_R_IN
AUDMX_LEFT4
AUDMX_RIGHT4
AUDMX_RIGHT4
AV2 or Comp2 Audio
(Used in common)
(Used in common)
SIDE_AV_L_IN
SIDE_AV_R_IN
RGB-PC Audio
AADC_LINE_L1
AADC_LINE_R1
AADC_LINE_R1
PC_L_IN
PC_R_IN
HP_LOUT_N
HP_LOUT_P
HP_ROUT_N
HP_ROUT_P
4. LVDS Tx (FHD120Hz)
LGE7303C
(URSA5)
LVDS Tx
Block
LVDS_SEL
BIT_SEL
• LVDS_SEL : “H”=JEIDA, “L” or NC=VESA (LGD)
• BIT_SEL : “H” or NC = 10-bit, “L” = 8-bit
• BIT_SEL : “H” or NC = 10-bit, “L” = 8-bit
10-bit (R)
Dual-link LVDS Output
24
51Pin
LVDS
Output
PANEL_VCC
(+12V)
10-bit (R)
Dual-link LVDS Output
24
41Pin
LVDS
Output
LGE35230
(BCM)
LVDS Tx
Block
10-bit (R)
Dual-link LVDS Output
24
5. HDMI block
TMDS1/2/3/4[8]
TMDS_OUT[8]
LGE35230
HDMI_I2C
CEC_
REMOTE
REMOTE
FET
IC602
MICOM
UPD78F05
IC602
MICOM
UPD78F05
DDC_I2C_1/2/3/4
HPD
HPD_1/2/3/4
HDMI_CEC
Sil9287B
HDMI 4x1 Switch
(IC701)
Sil9287B
HDMI 4x1 Switch
(IC701)
5V_HDMI_1/2/3/4
HDMI_5V
EEPROM
ARC
(Audio Return Channel)
LGE35230
6. USB block
USB1
USB_DP1
USB_DM1
+5V_USB
USB_DP1
USB_DM1
USB PWR
Switch
(IC1204)
USB_PWRFLT_1
USB_PWRON_1
5V
USB2
USB_DP2
USB_DM2
+5V_USB
USB_DP2
USB_DM2
USB PWR
Switch
(IC1203)
+3.3V_Noraml
USB_PWRFLT_2
USB_PWRON_2
5V
+3.3V_Noraml
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