TH-48AX670T TH-55AX670T319.2. Detailed Block Diagram (1/3)NEEDHOLDER+H O T C O LDSUB_ONPWM_2BL_SOSPANEL_VCC_ONPOWER_ONPWM_7KEYBL_ONPWM_1D7403D7407F7101PA7406D7412D7413SUB3.3VSUB1.5VPA5703P+15VDCDCINP+15VD5188SUB3.3VD5178SUB1.1VPA2002SUB5VSTB5VSUB5VD5172SUB3.3VPNL12VD5173X6800CF7101**PA7403TP2002TP2017PA8710SUB5VRL7101X6750<Q7801,1031GK4GATEDRIVERLCD PANELPC7303Q7405NP5TV_SUB_ON12T5AH AC250VPC7301POWER_ONKEYP7POWER SUPPLYBOOSTER+6VPHOTOCOUPLERPOWEROUTQ7404POWER CON.1110Q7202PWM19BL_ONPWM2IC780151324V323Q7402T7202,0416V2111P4Q7800Q7301.02PC7302RECTIFIER122P2PHOTOCOUPLERERRORDETSW2851-2855JK7101IC7301215VSFAIL114AC DETSTBSWITCHD7102IC7800AC CORD15316V16V2T7302,036PWM1LINEFILTERQ7201,03BL_SOSIC74015VSPOWER SWPHOTOCOUPLER2PFCPWM7IC750315CONTROL PANEL KEYLEDDRIVER14Q740116V10GKPWM67IC72011612+3.3V+12VAV1ALIF1P/NIC57023AGC1TU_3.3V3IC81011011+5VA02+1.5V+1.8V2PANEL+12V98IC8100DMD_IIC_01PRTU_1.8VOVP DETAGC2DLIF2P/N12DEMODULATORPBIC680041MHzDVB-TL1411FE_XRST110(SAFTY CIRCUIT)+1.1V9RIC8720JK3001BAGC1ASTB5V21415YMAINFE_XRSTDMD1.2V57713IC8710DMD_IIC16IC5704IC8700421LF7105LF7106LF7107Q740313 13PWM29Q7407SW2857CONTROLPANELBACK LIGHTDCDCEN15SRV 16VSRV STB5V+1.2V4RF INJK6751ON BOARD TUNERIC675024MHzHOT COLD