Panasonic TX-23LX50M Service Manual

Also see for TX-23LX50A: Operating instructions

Panasonic TX-23LX50M Service Manual Manual pdf 26 page image

11.4. Signal Block DiagramVCCGNDOUTY_DETS_DETY_DETSPRSPLAV2LAV1RAV1LAV2LAV1LAV1RLOUTAV2RAV2RROUTROUTLOUTLOUTSW1SW2SW1SW2S_DETROUTINV_24VSTB3.3V_D8.0VAUDIO_9V 5.0VPANEL_5V5.0V1234567Y5655CV57AV1XINXOUT706940AV23941 PBVPR53Y52 TV_VRST2114CVBS42 S_DET50OE/RSTY_DET2443KEYSCAN3344RC_INSTBY_LED30HSVS2957OSD B58OSD GOSD R5962ST_ONDACML 28DACMR 27OUTLOUTR373656SC1_IN_RSC1_IN_L5750 SC3_IN_LA53132656I0061CVBSO3CVBSO1 6323V OUTIC1500VIDEO SIGNAL PROCESSOR11SDAVIDEO OUT1012AFT17SCLTU100TUNERMULTI SOUND PROCESSORIC2501IC1100MCULCD PANELH_IN912YIN.7819YIN.0V_IN93R1.782R1.010394G1.0G1.7115B1.7B1.0 106SCLSDA47 122125132 GIN1RIN1131133 BIN138 AI_OFFLCD DRIVERIC1700SDA2(3.3V)SCL2(3.3V)12A21113LED_RSTB 3.3VREMOTESP_L-264537STB 3.3VSP_R+SP_L+HP_LHP_RSP_R-1A44 POW_ONKEY_SCAN21 INV_ONA3OSD BOSD GOSD RSTBY_LEDSTBY_LED25 AFC120121PMP2PMP1Q1714,Q17182223INV_ADIMINV_PWMPCS1PCS214SIF OUT17H OUTQ1513,Q1503,Q1501SDA 6SCL 13RESET 24656I07 101516212230VLRRLVPRPBYRLVAV221A22 A15419IC1106A3 2023LEVEL CHANGE22A4OE310 A9 14B1B4B3B2B9SCL1(EEP5V)SDA2(5.0V)SDA1(EEP5V)SCL2(5.0V)RESETIC110442Q1500,Q1502Q110151672134106 IN1IN2OUT1+ 2OUT2+ 12OUT1-OUT2-AUDIO AMPIC22518SCL2(3.3V)SDA2(3.3V)1134SDA2(3.3V)SCL2(3.3V)129 SCL1(EEP)SDA1(EEP)10 4613BUSREQINV_ON45SMUTE16WP616B5B718IC1106LEVEL CHANGE8A5A7(1/2)(2/2)(5.0V-3.3V)Q1105Q1223SDA2(3.3V)SCL2(3.3V)SDA1(EEP)SCL1(EEP)A-BOARDSC3_IN_RANA_IN+RESETQSCL2(5.0V)SDA2(5.0V)IC1102SDRAMIC110380PCK1X1500JK001AV1SAV1MONITOROUTRST3.3C YR_SW(5.0V-3.3V)COMPONENTAV2Q2257Q2256Q22559 VOLQ2003Q2001Q2502Q2501 MUTE7877 D_CTR_I/O_1D_CTR_I/O_0SCL2(5.0V)SDA2(5.0V)Q1515 AFCQ101 TV-VRESET2V_OUTH_OUT2223HS_OSDVS_OSD2I2C_DAI2C_CLX25017172X_INX_OUT24681020161814123026292728TD-TA-42374641384540TC+47TA+TC-TB+TB-48TCLK+TD+39DAC OUT 2IC110156WCEEPROM7SCL1(EEP) SCLSDA1(EEP) SDAQ1012Q1716 Q1715Q1703Q1707Q1711,Q1710Q1701Q1705Q1717INV_SOS2041PROT2X11005253PROT131Q851D857 D851565032144241532 /PDMNPCS3 126 30272831LCD_DENLCD_HSLCD_VSLCD_CLKLVDSIC1701TRANSMITTERTCLK+TA0TA6TB6TB0TC0TC6TD6TD0TX3-TX0-TX2-TX1-TCLK-TX2+TX3+TX0+TCLK+TX1+D0-D7A0-A19D0-D7A0-A19A0-A18D0-D7PROM16 5.0VXTAL2XTAL1SW1SW256TX0-TX3-TX1-TCLK-TX2+TX3+TX2-TX0+TCLK+TX1+PANEL_5VPANEL_5VPANEL_5VPANEL_5VPANEL_5VLVDS_OPTION2132LVDS_ON26BATS15 BATSV11526453716121113V23421JK201SN201RM201Q201LED_RREMOTE RECEIVERV-BOARDRSPEAKERR-R+1AP442021AP32223INV_ONINV_SOSINV_PWMINV_ADIM1214AP5 13 11SDA2(5.0V) SDA24FACTORY5SCL2(5.0V)STB 5.0VSCL16SDA1SDA1(EEP5V)BUSREQUSE2FORA6STB5.0VSCL1(EEP5V)1SCL27LSPEAKERL+L-AP-BOARDFUNCTION DOWN TV/AVSTR UP1 KEY_SCANAP21K3SW301 SW302 SW303 SW304 SW305K-BOARDTOAP120 POW_ONCN301P3.3TX-23LX50A/M/XSignal Block DiagramTX-23LX50A/M/XSignal Block DiagramTX-23LX50M / TX-23LX50A / TX-23LX50X26