Panasonic TC-P42U1 Service Manual

Also see for TC-P42U1 - 42" Plasma TV: Quick setup guide Revised troubleshooting handbook Operating instructions Specifications Operating instructions

299 Block Diagram9.1. Main Block DiagramHOTCOLD(LED:8TIME)(LED:4TIME)(LED:7TIMES)(LED:6TIMES)(LED:7TIMES)(LED:12TIMES)(LED:5TIMES)(LED:2TIMES)(LED:3TIMES)(LED:6TIMES)(LED:4TIMES)(LED:10TIMES)(LED:10TIMES)(LED:8TIMES)(LED:12TIMES)VdaDATADRIVERDATADRIVERVdaDATADRIVER DATADRIVER DATADRIVERSUSTAIN CONTROLDATADRIVER DATADRIVERDATADRIVER DATADRIVERKEYSCAN1VIDEO DATA+5V(P)C25VdaC20DATADRIVERVIDEO DATADATADRIVER+5V(P)DATADRIVERC10C1VIDEO DATADATADRIVERC14+5V(P)DATA DRIVER (LEFT)C11 C23DATADRIVER DATADRIVERDATA DRIVER (RIGHT)SOS8_SSC2C21+5V(P)P35VIDEO DATAVSUSKEYSCAN1CONTROLPULSEF15VSS21SC42STB5VSS33ON/OFF CONTROLSOUND15VPOWER MICOMSCANDRIVERVSUS GEN.SS2SUSTAIN CONTROL+15V(P)STB5V(LOWER)SS-BOARDSOS DETECTSCAN OUT (UPPER)SD11VSUSSU41P2SUSTAINSCAN OUT (LOWER)SDSD42PBUFFERSTANBYVOLTAGERECTIFIERSUSTAIN DRIVEVSUSSUKEYSCAN1+15V(P)PROCESSVOLTAGERECTIFIERSS11P11GK+15V(P)SCANDRIVER+5V(P)SD46F15VAC CORDSU11SUSTAINVOLTAGERECTIFIER+5V(P)KEY SWITCHP9VIDEO DATAVSCAN GEN.VAD GEN.SOS8_SSP34SUSTAIN CONTROL+15V(P)SOS8_SSVSUSSC41GK1CONNECTORVdaRECTIFIERPOWERFACTORCONTROLKEY SWITCHVSET GEN.P7MAIN SW1P6+5V(P)+5V(P)MAIN SW2P-BOARDSOS DETECTPOWER SUPPLYPS SOS4VdaVE GEN.SC2SS24ENERGY RECOVERYRECTIFIERP25SC46VSUSRELAYSSSC-BOARDFLOTING PARTSOS DETECTSCAN DRIVESCSC-BOARDENEGRY RECOVERYSOS DETECT+5V(P)SOS7_SC2SC20+15V(P)SOS6_SC1SCAN CONTROLHDMI2+5V(P)STB_D3.3VFLASHEEPROMTMDS DATAPOWER LED(R)SOS6_SC1L,R+2.5V(P)AUDIO SWSOS8_SSKEYSCAN3RSLOTREMOTE RECEIVERSBO2SBI2PANEL MICOMONC.A.T.S. SENSOR(SIDE)OUT+5V(P)C.A.T.S. SENSORIFD_OUTPD3-HSPEAKER(L)+15V(P)SOS6_SC1+5V(P)V+2.5V(P)REMOTE RECEIVERSUB5VSOUND SOSBT30VSUB+5V DETLVDS DATASUB9VA32TMDS DATASTB3.3VSUB3.3VHDMI DATASTB5VVIDEO2SUB9VSDPLASMA AICPG with SSH/V Sync ControlSub Filed ProcessorPlasma AISTB3.3VSUB1.3VHDMI1SUB1.3VF15VA6MEMORYSUB9VDCDC+3.3V(S)R,G,BBT30VSUB1.8VPANEL STATUSDCDCSUB9VSUB1.8VDCDCSUB3.3VSUB5V+5V(P)SUB5VDCDCSUB5VPAMEL SOSDIGITAL SIGNAL PROCESSORTUNER SOSOPTICALY,PB,PRCOMP1SOUNDTMDS DATAA31PANEL STB_ONL,R+3.3V(P)SOS7_SC2EEPROMC.A.T.S. SENSORDCDC +1.8V(P)LED(R)KPANEL STATUSSOUND SOS DETCIRCUITDCDCPANEL STB_ON+15V(P)A/DOPTICAL AUDIO OUTF15VVIDEO DATA+1.2V(P)HDMI SW+5V(S)+5V(P) DETSUB+9V DETSTB5V_MLVDS DATAS+15V(P) DETASOS8_SSVCONTROLSIGNALA1VIDEO DATASeine3LVL,RSUB+3.3V DETSD0F15VRESETDCDCV,Y,C+3.3V(P) DETPAMEL SOSCOMP2A25VIDEO SW+15V(P)+1.8V(P)+5V(P)S2L,RBT30VSDTUNERDCDCA12POWERY,PB,PRSCAN CONTROLSD CARD DATAL,RAMPA11+3.3V(P)OPTICAL OUTSYSTEM MPUSTB_D3.3VA33HDMI3L,R(SIDE)+3.3V(P)+5V(P)POWER SOS+15V(P)SOS7_SC2KEYSCAN1+9V(S)SD CARDVSB_INSDIN+3.3V(STB)SUSTAINCONTROLSOUND SOSIIC1DISCHARGECONTROLHDMI DATASOUND15VAUDIOSOUND15V+1.2V(P)AUDIOSWITCHVIDEO1K1DDRSD CARD DATA+3.3V(STB)PANELMAIN ONDDR2POWER LEDREMOTE INSTB5VLPOWER SWITCHTUNER SOS DETCIRCUITTUNER SOSSPEAKER(R)R,G,BKEYSCAN1RESETHOTCOLD(LED:8TIME)(LED:4TIME)(LED:7TIMES)(LED:6TIMES)(LED:7TIMES)(LED:12TIMES)(LED:5TIMES)(LED:2TIMES)(LED:3TIMES)(LED:6TIMES)(LED:4TIMES)(LED:10TIMES)(LED:10TIMES)(LED:8TIMES)(LED:12TIMES)