Zenith P50W38 Service Manual - Page 25

50"KK PDP VSC Block Diagram DVI- I D0` ,D1` D2` ,IDK` 8 STB L/R from LST - 2200 PC L/R IC202 Sil169B TMDS_RX 3.3V #4 RGB(PC) 24 Buff T541 #6 IC502/503/504 K4S643232E SDRAM (8Mbyte) 3.3V #12 PHIL KIM 2003.02.13 PDP-50 BLOCK DIAGRAM - 25 - 15Pin D_SUB PC- IN 15Pin D_SUB PC- OUT H/V 74HCT08 RGB /HV CH1 IC201 RGB AD9888 IC104 OPA3682 AMP ADC 3.3V #3 5V #1 CH0 Y/ Pb/Pr (480P¸ ¨ ) A/V Interface RGB(DTV) 24 FLI2310 De_interlace 3.3V/2.5V #6 16 YUV (Video) VPC3230(S) Decoder 5V/3.3V #5 K4S643232E SDRAM(8Mbyte) 3.3V #7 COMPONENT Y/Pb/Pr Y/C AV RGBA 24 Wired _OR Monostable Multivibrator Y,Pb,Pr (480p ` ) : high Y,Cb,Cr (480i) : low IC402 74LS123 5V #9 U-Com ID Y/ Pb/Pr(480i) 1H R/G/B IC501 Rembrandt-I Scaler 5V/3.3V/1.8V #11 YUV 16 bit RGBB 24 IC601 Sil160 TMDS_TX 3.3V #16 TX0` ,TX1` TX2` ,TXC` 8 21PIN For LG 50 T.M.D.S : Transition Minimized Differential Signaling IC404 FLI2310 De_interlace 3.3V/2.5V #10 IC405 K4S643232E SDRAM(8Mbyte) 3.3V #7 L/R for Component SVHS Y/C IC101 Y/C CXA2089 SWITCH Y/C IC301 uPD64083 3D- Comb Y/C 9/5/3.3/2.5 #8 IC302 LA7151 Y/C SWITCH Indicate even/odd for de_interlace IC401 VPC3230(M) Decoder 5V/3.3V #9 YUV 16 bit H/V/CLK/ FIELD PORT_EXTEND (74LVC244/74LVC574) 3.3V #14 Comp 480I/P,ID_AT ID_PAL/NTSC, FAN ALARM,KEY L/R for SVHS,BNC BNC AV1 NTSC 1H R/G/B Scart1 R/G/B Sync signal for R/G/B,L/R Scart2 Half SVHS S2_V, L/R Y/C IC101 Y/C CXA2089 SWITCH AV L/R for SVHS PAL AV IC702 K6R4016V1C SRAM (512KB) 3.3V PC L/R CXA2089 L/R OUT STB L/R IC101 MSP3440 L/R Sound Processor IC105 L/R LA4282 AUDIO AMP IC703 MX29LV160B Flash-ROM (2MByte) 3.3V IC701 R8820LV CPU 3.3V #13 TXD0,1 RXD0,1 IC750 DS232AS RS-232C 5VST IC752 TX 74ACT253 5VST ¸ł IR 2,3 rd Pin(T1,R1) :Control/Download 4,6 th Pin(T2,R2) :Debugging 9PIN RS- 232C #: the number of the circuit schematic