15.6. PA-Board (1 of 2) Block DiagramD2306D2307DC-DC CONVERTER/POWER SOSPASPEAKER OUT/DIGITAL AUDIO PROCESSORFAN CONTROLQ2303MAIN 3.3V1INPUT3OUTPUTAVR 12VIC2303OUT_Y1IN_B42IN_AIC2309AND GATESTEREO POWER STAGE LIC2302POWER ON RESET VREGPROTECTION ANDI/O LOGICTIMING/GATEDRIVEDRIVETIMING/GATETIMING/GATEDRIVEDRIVE/GATETIMING/CONTROLRMWRECEIVE/CONTROLRMWRECEIVE/CONTROLRMWRECEIVERMW/CONTROLRECEIVEOUT_AOUT_BOUT_COUT_D3943343628333124BST_CBST_ABST_DBST_BPWM_APWM_BPWM_CPWM_D681618177521WOOFERSQ_L+PA21SQ_L- 2W_L-4SQUAWKERSPEAKER LSPEAKER LW_L+55PWM_C/CONTROLOUT_CW_R+536RMWTIMINGVREGPOWER ON RESETTIMING/GATEI/O LOGICDRIVESTEREO POWER STAGE R/GATEWOOFERRMWDRIVEOUT_ADRIVE /CONTROLBST_CBST_BDRIVESQ_R-PWM_D2OUT_DBST_DW_R-17PROTECTION AND33312461RECEIVE/CONTROL18/GATE/CONTROLRECEIVE43RMWRECEIVE21IC2301PWM_BPWM_A39PA1TIMINGRMW28RECEIVESQ_R+4SQUAWKER7SPEAKER RSPEAKER R834OUT_BBST_ATIMING/GATE1612V12VLRCLK21SCLKOUT1MCLKO2526RESETSDOUT127SDOUT21932SDOUT32211SDIN1PWMCONTROL3138MUXMUX37MUX36MUX35MUX MUXPWMVolMUXSERIAL DATA INTERFACE262524CONTROLSYSTEM 1691718CONTROLSERIALIFCLOCKRATE/ERRORDETECTIONAND PLL20819MAIN 3.3VAVDDDVDD211DIGITAL SOUND CONTROLLERIC230417SCL2 18SDA215SCL1 16SDA1SCL1SDA1SCL1SDA16ch DIGITAL AUDIOIC2300PWM PROCESSOROUT 2VDD4RESETIC2306 MAIN3.3VSCL65 SDA VCC 8/WP 7EEPROMIC2305MAIN3.3VSTEREO AUDIO ADCIC2307SERIALIF DECIMATIONX1/64FILTERWITHHPFDELTA-MOD.SIGMALPF/ANTIALIASCLOCK/TIMINGCONTROLDOUTBCKLRCK8796 SCKIVINL 13DELTA-ANTIALIASSIGMAMOD.LPF/3VCC4VDD14VINR43251MAIN5V MAIN3.3V4FACTORY2SDAFORSCLMAIN3.3V513.3VPA3SRQ1USEVALID1PWM_1PWM_2PWM_4PWM_3SDASCLMUTERESETSDIN2SDIN1SDIN3LRCLKSCLKMCLKTH-50PX600UPA-Board (1 of 2) Block Diagram TH-50PX600UPA-Board (1 of 2) Block DiagramTH-50PX600U82