Sharp LC32SB27U Service Manual - Page 68

LC-32D47U/LC-32SB27U/LC-C3237U [2] SYSTEM BLOCK DIAGRAM SYSTEM BLOCK DIAGRAM J Input1 CVBS deleted INPUT LR 1 Vert. Insert Component L/R YPbPr S Video INPUT S-Video 2 LR Vert. Insert L/R I Component YPbPr INPUT 3 Vert. Insert CVBS/LR CVBS L/R [SP] SP P2701 EXT-SP H Vert. Insert Audio Out L/R UR13V IC2701 SP AMP YDA148QZ Disclete Mute Disclete Mute G RF IN Vert. Insert TU1101 Analog/ Digital Tuner +5V AFT CVBS AGC SIF D_IF I2C F The WXGA machine unmounts. +3.3V IC9003 E RS232C TxRx UCOM_RS P9001 Vert. Insert RS-232C ADM3101E No.9 pin RC Passthrough Vert. Insert OPTICAL OUT +5V_A OPT_OUT IC1304 Mute INPUT 4/5 Vert. Insert RGB/HDMI Audio (Mini Plug) RGB_LR D PCIN_H/V INPUT D-SUB 4 RGB PCIN_R/G/B Vert. Insert Except for IC602 LC-32SB27U EEPROM DDC1 not supported INPUT 7 HDMI 1 Vert. Insert INPUT 6 HDMI 2 C Vert. Insert INPUT 5 Vert. Insert HDMI 3 Vert. Insert HDMI 4 The WXGA machine unmounts. The WXGA [BM] machine unmounts. P2501 B (21pin) Service Horiz. Insert J801 USB IC1801 EEPROM A 1 2 3 4 5 MAIN AMP_MUTE STANDBY PROTECT HDMI_MUTE VCOM_SDA VCOM_SCL P2602 Vbrt P2603 IC2601 +3.3V SUB-SW HC2G66DP +3.3V IC2602 DAC M62332FP (100KHz) I2C_SDA/I2S_SCL IC503 A-SW BU+3.3V IC9002 SUB-SW HC2G66DP TUN_SDA_C5/TUN_SCL_C5(100KHz 5V) IC161 EXPI/O LINE_OUT_L/R A9V OUT1 +3.3V IC1301 Audio DAC AK4341ET N_LINE_DAC_RST I2S LINE_MCLK/BCLK/DAT/LRCLK IC1605 +3.3V In0 TMDS-SW SII9285 In1 In2 In3 I2C TUN_I2C I2C_0 D_IF in SIF AGC RGB in H/V HDMIin HDMIin 25.000MHz X8101 X'tal SPOUT_L/R AUDIO IC8001 RH-IXC677WJQZQ DTV-C5 for WXGA Digital AV decode & Main CPU I2S SPDIF DTV/SPDIF N_CPU_RST zz RESET N_DBG_RST N_SRESET 50MHz P9301 Connector for Software Writing +3.3V IC8451 Serial FLASH 64Mbit 6 7 8 9 10 11 Serial FLASH UART-B UART-A USB CVBS S-Video YPbPr LVDS OUT SHIP_EN,PNEL_EN DETECT BU+3.3V IC2001 Reset RST_H8FLS_CPLD From CPU FLAS_W_CPLD WEITE_BUF DET_T-CON POW BU+3.3V IC8454 EEPROM 256kbit I2C_SDA_UCOM I2C_SCL_UCOM Thermister +3.3V +1.8V +1.2V CNVss SC9202 Connector for Panel Detect SC9203 Connector for Model Detect RxD,TxD IC2004 Gate 7WH126FU RxD,TxD AFT THERMO BU+3.3V IC2002 R8C/2A IXC165WJ UI2ACRTMonitor Micom A/D A/D ROMSEL0 FRAME,R/L,U/D,TEMP[3:0],O/S_SET I/O I/O STB STB_CPU From CPU 16MHz 16MHz Xtal PNL_DET[1-0] ERR_PNL AC_DET Von Vbrt MODEL_A[1-0] I/O PM_REQ, CBOOTS I/O N_SRESET I/O I/O DET_10V INT0 A/D I/O The WXGA machine unmounts. SYNC_DET VCOM_WP LCDC-EN VCOM_SDA VCOM_SCL DET_13V,DET_ IC8251 DDR2(800) 512Mb*1 P8001 Connector for Debugging PS_ON AC_DET KEY1,KEY2,STANDBYPOW R/C OPC OPC_LED,POW_LED_R,POW_LED_G,LED_YOYAKU, ILL_LED BackUp Line BU+5V BU+3.3V MAIN Line A9V 5V D3.3V D2.6V D1.2V Power Circuit BU+3.3V UR13V BU5V PNL_ON From CPU [KM] P2002(4p) [KM] P151 (4p) KEY MENU POWER INPUT SELECT Ch-Up/Down Vol-Up/Down [RA] P2003(10p) [RA] P101(7p) LED R/C OPC POW_LED 12 13 14 15 16 [LP] P2602 (15pin ) [LB1] P2603 (6pin ) [LW] P2601 (41p FFC) [LW] CN2 (41p FFC) C-PWB [LP] CN4 (15pin ) POWER INV 17 18 8 - 2 [PD] P9601(12PIN) [PD] [LB1] (14 pin) B to B B to B SJ Tech SJ Tech [RSDS] CN3 (64p FFC) [RSDS] (64p FFC) [RSDS] CN1 (64p FFC) [RSDS] (64p FFC) PANEL 19