Panasonic CF-73SCUTSBM Service Manual - Page 104
Core Dc/dc
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VGA CORE DC/DC 1 2 DCIN&BATT R873 3 3 001:D5 SUSBVM1 2 2SK3019TL Q802 1 R870 NU 1M R875 10 3216 25V B C938 10u C934 0.01u 1608 50V C936 Q806 FDS6690A ECJ3YB1E106M 0.1u 1S D8 4 4700p B R866 NU 1 RUN/SS BOOST 16 2S D7 3S D6 VVGACORE = 1.25 [email protected] 1.5V [email protected] 1608 4G D5 VVGACORE C929 R869 0 2 PGOOD TG 15 Nch-MOSFET SOP8 Fairchild L807 R863 3 VRNG SW 14 1 2 LINEAR TECH. SSOP16(1.75mH) LTC1778EGN#TR IC805 0 R867 4 FCB PGND 13 Q804 FDS6690A 919AS-4R7M=P3 5 470p NU R868 100p 5 ITH BG 12 C937 0.22u 1S D8 2S D7 22K C930 6 SGND INTVCC 11 3S D6 4G D5 21 RB500V-40TE-17 C931 Nch-MOSFET SP-CAP D 7 ION VIN 10 D800 SOP8 Fairchild 1 6.3V + 2V D801 C941 C942 R864 8 VFB EXTVCC 9 10u 2125 100u EEFCD0D101R 2 6 10K 0.5% C933 2125 0.1u EC10QS04-TE12L C935 NU VC5 4.7u Vout=0.8*(1+RH/RL) R865 1% C932 5.6K R871 R872 18K 0 0.5% 7 VC3 IC804 5 VCC 3 GND 3 2SK3019TL Q803 IC804 2 4 2 PWRPLAY 002:A11 1 TC7S14FU(TE85L) PWRPLAY : High 1.25 [email protected] Low 1.5V [email protected] TC7S14FU (TE85L) C928 8 0.1u 9 VVGACORE DCIN&BATT MAZ80620ML 1 D802 R878 4.7K 10 VM1CUTVGA# 001:D5 2 6 2 XP0421300L Q805 1 3 XP0421300L 5 Q805 4 11 A B C D E F G H I J
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