Zenith P42W46X Service Manual - Page 23

WIRE IR RS2 3 2 RGB (PC/DTV) TX IR 74ACT253 RX0/1,TX0/1 ST3232C RGB PC/ DTV RGB H/ V 74HCT08 SCL/ SDA 2 4L C 2 1 RGB PC RGB DTV Comp DTV TX_O u t RS232_RX/ TX Comp / RGB_SW Comp _480I/ P C XA2 1 0 1 M52758F CXA_RGB Switc h Co mp / RGB_SW From Malibu RGB _D a t a Main_Vid eo / 24 Sub _Vid eo / 8 ADC w/ PLL gm1601 Sc aler (Malibu) 24 IEP ZHINE 24 10 DVI (PC/DTV) RX/ TX0/ 1/ 2, RX/ TXC SCL/ SDA 24LC21 Dig it al BOARD Text Vid eo f o r Text DVI_Dat a DVI RX w/ HDCP TX0/ 1/ 2/ 3/ C Disp _En SDATA SCLK, SLE BLOCK DIAGRAM - 23 - Scart1 Scart 2 TV OUT Vin1 ( CVBS) 1H RGB Vin2 ( CVBS) MNT OUT M a i n _V Ma i n _YC VPC3230 (M) Vide o De code r YCbCr S2300 / DeInterlacer 8 HY5DU283222A SDRAM (128MB) Scart 3 RF C VB S S-VH S Vin3 (CVBS) Tuner (M) TU _M a i n Tuner( S) TU_Sub Vi n 4 YC i n 4 CXA2069Q SWITCH Ma i n _V Main_YC VPC3230 (S) Video Decoder H Y5 7 V6 4 3 2 2 SDRAM ( 8MB) Text_V SDA6001 Text Processor A M 2 9 L V1 6 0 F-ROM Comp1 (DVD/DTV) Comp _Y Analo g BOARD 7 4L S1 2 3 Comp _480i Vin5 YCin5 H YV6 4 1 6 2 0 SRAM Comp_480I/ P CVBS S-VHS Si d e - AV BOARD To Malibu AM29LV F-ROM (1MB) Po s-t p ro c es sing Blo c k is o m it t ed . so-c alled JEPICO, in this c ase TMDS TX is also required. Sound Proc essing Bloc k Diagram is separated.. RCA-t yp e Blo c k Diag ram is also separated..