LG 50PW450 Service Manual - Page 21
V Control for Power_On Seq of LG8300
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+3.3V_ST RL_ON 5V_ON ERROR_DET AC_DET R601 R602 10K 10K R606 R603 +3.3V R600 10K READY R604 R605 100 100 C603 0.1uF 16V 100 100 C602 0.1uF 16V C604 0.1uF 16V P601 SMAW200-H18S1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Power Wafer P_17V L603 500 Power Main C619 100uF 16V +5V_ST C627 0.1uF 16V L604 500 Power Main C621 100uF L605 16V 500 Power Main +5V C624 100uF 16V C628 0.1uF 16V C631 22uF 16V +5V_ST RL_ON +3.3V_ST R607 10K R612 10K C654 22uF 16V R609 10K B C Q601 RT1C3904-T112 E 5Vst Enable 3.2A / P-CHANNEL +5V_ST_EN S C655 0.01uF 25V D G C656 100uF 16V C657 0.01uF 25V Q600 RTR030P02 L610 120-ohm Power Main +5V_ST_EN IC600 AZ1085S-3.3TR/E1 C600 0.1uF 16V INPUT 3 2 OUTPUT 1 ADJ/GND C607 47uF 6.3V 3.3V_AVDD / 2.5AVDD +3.3V_AVDD +2.5V_AVDD L611 120-ohm Power Main L602 120-ohm C608 Power Main 0.1uF 16V C R611 1K READY A1[GN] LD600 SAM2333 READY C615 0.1uF 16V IC604 TJ3964S-2.5 VIN 1 C662 10uF 10V 3 VOUT 2 GND C616 47uF 6.3V C623 0.1uF 16V 3.3Vst +5V_ST +3.3V_ST IC601 AP2121N-3.3TRE1 VIN 3 C601 0.1uF 16V 2 VOUT 1 GND C605 100uF 16V C606 0.1uF 16V 3.3V +5V IC606 AZ1085S-3.3TR/E1 C658 0.1uF 16V INPUT 3 2 OUTPUT 1 C797 ADJ/GND 10uF 16V R1475 1 C659 47uF 6.3V C663 10uF 16V READY C660 0.1uF 16V +3.3V C661 0.1uF 16V 5V Tuner P_17V C634 4.7uF 50V C635 4.7uF 50V C636 0.01uF 50V R624 3.6K R623 16K C639 0.1uF 50V IC605 TPS54231D BOOT 1 2A PH 8 VIN 2 GND 7 EN 3 COMP 6 C638 0.015uF 50V SS 4 VSENSE 5 D600 MBRA340T3G 40V EAP61606601 L608 22.0uH C641 10uF 16V C642 10uF 16V C644 10uF 16V READY R625 51K C640 470pF 50V C643 15pF 50V +3.3V_AVDD +3.3V_TU L300 120-ohm 2A C309 22uF 10V C313 0.1uF 16V IC301 AZ1117BH-ADJTRE1 1.26V Tuner +1.26V_TU INPUT 3 2 OUTPUT C322 0.1uF 16V 1 ADJ/GND R1 R2 R350 10 R347 1.2K C325 47uF 6.3V +5V_TU R626 105K 1% R1 R627 20K R2 1% +5V_ST_EN READY R610 10K READY C614 0.1uF 16V R638 10K READY C610 10uF 16V C612 0.1uF 16V 1.26V Core READY R617 0 R642 0 +1.26V_VDDC EP[GND] 16 VIN_3 15 EN 14 PWRGD 13 BOOT VIN_1 VIN_2 GND_1 GND_2 1 12 THERMAL 2 17 11 3 IC603 10 SN1007054RTER 4 9 3A PH_3 C622 0.1uF 50V L607 3.6uH PH_2 PH_1 SS C626 0.01uF R1 R621 39K 1% C630 100pF C633 50V 22uF 16V C651 C652 10uF 10uF 10V 10V C653 0.1uF 16V AGND 5 VSENSE 6 COMP 7 RT/CLK 8 R615 10K C618 2200pF R637 330K R619 75K 1/16W 1% R2 Switching freq: 600K Vout=0.827*(1+R1/R2) +5V_ST_EN READY R608 10K READY C613 0.1uF 16V R613 10K READY C609 10uF 16V C611 0.1uF 16V 1.5V DDR READY R616 0 R640 0 EP[GND] 16 VIN_3 15 EN 14 PWRGD 13 BOOT VIN_1 VIN_2 GND_1 GND_2 1 12 THERMAL 2 17 11 3 IC602 10 SN1007054RTER 4 9 3A PH_3 C620 0.1uF 50V L606 3.6uH PH_2 R1 PH_1 SS C625 0.01uF R620 10.7K 1% C629 100pF C632 50V 22uF 16V +1.5V_DDR_IN C637 C647 10uF 10uF 10V 10V C650 0.1uF 16V AGND 5 VSENSE 6 COMP 7 RT/CLK 8 R614 10K C617 2200pF R636 330K R618 12K 1/16W 1% R2 Switching freq: 600K Vout=0.827*(1+R1/R2) +5V 3D L710 BLM18PG121SN1D READY R762 10K READY C734 R70 10K 4 0.1u F READY 16V 3D C725 10uF 16V 3D C728 0.1uF LG8300 1.0V 3D R1440 0 READY R773 0 R641 0 EP[GND] 16 VIN_3 15 EN 14 PWRGD 13 BOOT VIN_1 VIN_2 GND_1 GND_2 1 12 THERMAL 2 17 11 3 IC704 10 SN1007054RTER 4 3A 9 3D PH_3 PH_2 PH_1 SS AGND 5 VSENSE 6 COMP 7 RT/CLK 8 3D 10K R774 3D C738 2200pF 3D R775 330K +1.0V 3D C739 0.1uF 50V C740 0.01uF 3D 3D L702 3.6uH 3D L709 BLM18PG121SN1D 3D R778 5.1K 1% R1 3D C743 100pF 50V 3D C745 22uF 10V 3D C746 10uF 10V 3D C747 10uF 10V 3D C748 0.1uF 16V 3D R779 22K 1% R2 Switching freq: 600K Vout=0.8*(1+R1/R2) LG8300 3.3V / 1.8V +3.3V +3.3V_3D 3D L703 BLM18PG121SN1D READY C749 47uF 6.3V 3D IC707 AZ1117BH-1.8TRE1 3D C751 0.1uF 16V INADJ/GND OUT +1.8V 3D R834 0 1/10W 5% 3D C752 47uF 6.3V 3D C755 0.1uF 16V 1.8V Control for Power_On Seq of LG8300 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics Inc. All rights reserved. Only for training and service purposes SEPARATE GND R1 0 R2000 R2 0 R2001 CGND1 R3 0 R2002 R4 0 R2003 R5 0 CGND2 R2004 R6 0 R2005 R7 0 CGND3 R2006 R8 0 R2007 CGND4 SIDE_HDMI/USB GASKET GND M1 MDS62110205 M2 MDS62110205 READY M3 MDS62110205 GP2R_S7R Power 2010-08-31 6 LGE Internal Use Only