Vizio P50HDM Service Manual - Page 20

Main board System Block Diagram W8 CN17 U37 24LC02 EEPROM HDMI1 W13 U40 24LC02 EEPROM HDMI2 CN16 W6 Y Pr Pb Y Pr Pb W7 W11 W14 COMP1_Audio_R/L COMP2_Audio_R/L AudioAV1_R/L CVBS1 CVBS2 AudioAV2_R/L W10 Y1/C1 Y2/C2 W5 VGA_AUDIO_L/R W13 AUDIO L/R OUT W12 Headphone U26 MAX232A J9 2 1 3 J10 2 1 3 ATXD_HUD ARXD_HUD U40 24LC128 EEPROM(8051) UC_SCL/UC_SDA U38 SST89C58 ARXD ATXD_HUD ATXD ARXD_HUD U20 4052 I/O SW 51_RXD/51_TXD U42 Sil 9011 HDMI RS ADATA[0:23] IPCLK0/AHS/AVS/AHREF_DE HDMI1 AUDIO U35 Sil 9011 HDMI RS BDATA[0:23] IPCLK1/BHS/BVS/BDE HDMI2 AUDIO VGA_SCL / VGA_SDA ANLOG DDC VS / HS U21 24LC02 EEPROM VGA U45 74HCT14 Inverting Schmitt Trgger R G B ATSC Y Pr Pb U22 M61323FP VEDIO SW A4/B4/C4 U23 M61323FP VEDIO SW A3/B3/C3_CTZ U24 M61323FP VEDIO SW A3/B3/C3_HUD A2/B2/C2 VEDIO HY5DU56822CT-D4 HY5DU56822CT-D4 U17 DDR RAM CTZ U16 DDR RAM HUD 51_RXD/51_TXD ARXD ATXD IPCLK0/AHS/AVS/AHREF_DE IPCLK1/BHS/BVS/BDE MSTR2_SCL/MSTR2_SDA MSTR1_SCL/MSTR1_SDA VGA_SCL / VGA_SDA ADATA[0:23] BDATA[0:23] AIR_RAW_HS_CS/AIR_RAW_VS SV4_CTZ SV2_CTZ SV3_CTZ/A1_CTZ B1_CTZ/C1_CTZ A4/B4/C4_CTZ A3/B3/C3_CTZ A2/B2/C2_CTZ Frame Store DDR Interface UART GPIO 2 Wire Controller 2 Wire Controller Digital A Input Digital B Input Analog input FL8532_CTZ Frame Store DDR Interface KEY PAD CN5 2 Wire SCL-33V / SDA-33V U25 F75373S Controller MSTR0_SCL/MSTR0_SDA LVDS Display W1 Interface JTAG_BS_TCK/TDO/TMS/TDI/TRST JTAG Boundary Scan OCM External SRAM XU1 A29LV320D MEMERY_CTZ MSTR1_SCL/MSTR1_SDA 2 Wire Controller JTAG_BS_TCK/TDO/TMS/TDI/TRST JTAG Boundary Scan ATXD_HUD ARXD_HUD UART I2CCM AIR_RAW_HS_CS/AIR_RAW_VS A4/B4/C4_HUD A3/B3/C3_HUD A2/B2/C2_HUD SV4_HUD SV2_HUD SV3_HUD/A1_HUD B1_HUD/C1_HUD Analog input Serial ROM Interface NC7SB3157 U18 BUS SW U11 24LC32 EEPROM HUD U12 SST25VF040 FLASH 512K HUD IPCLK1/BHS/BVS/BDE GPIO BDATA[0:23] LVDS Display Interface FL8125_HUD CN12 CN13 Display U37 CS3443 HDMI2 LR DAC U36 CS3443 HDMI1 LR DAC U46 IDTQS3253 HDMI1 AUDIO SW U42 IDTQS3253 HDMI1 AUDIO SW AUDIO MSTR2_SCL/MSTR2_SDA HDMI1_AUDIO_L/R HDMI2_AUDIO_L/R AudioAV1_R/L AudioAV1_R/L U28 MAX4550 AUDIO SW 4/2 I/O CH4_R/L CH3_R/L COMP1_Audio_R/L COMP2_Audio_R/L VGA_AUDIO_L/R U27 MAX4550 AUDIO SW 4/2 I/O CH2_R/L CH1_R/L U32 P4450G AUDIO PROCESS Lineout_R/L HLIN/HRIN U33 PT2308 AUDIO DRIVER U34 PT2308 AUDIO DRIVER TDA8946AD AUDIO_AMP J7 Speaker R J8 Speaker L CONFIDENTIAL - DO NOT COPY Page 6-2 File No. SG-0173