Dell W2306C Service Manual - Page 100

Dell W2306C 12.2 Power Board VCC2 This IC uses a CMOS device with high dielectric strength (30V) to implement low power consumption. FA5500A: 11.5V ON / 9V OFF FA5501A:13V ON / 9V OFF R920 100 1/8W + C920 22uF/50V Q910 2 3 10K 1/8W 1 PMBS3906 N.C R921 2 ZD901 RLZ15B VCC3 NCP1377 VCC 13.8 ON 20V籹祘 N.C C902 1000PF/250V N.C C901 1000PF/250V C900 1000PF/250V 24VS 24VIN FOR BACKLIGHT 24V/4A 24V 1 FME-210B10A/150V D901 1N5406 R922 1K 1/10W B+ Demag The auxiliary FLYBACK signal ensures discontinuous operation and T901 D931 L905 RJ901 CN921 1 L904 PFC CHOKE ERL28 offers a fixed ER4224 Lp=?UH 1 2 2 overvoltage detection level of 7.2 V. 8 16 + C931 + C933 3.5UH + C935 8m 3 4 3 2 6 5 + C932 470uF/35V C936 5 D902 POWER CTRL 1000uF/35V 1000uF/35V 0.1uF 6 YG972S6R + 15 1000uF/35V 7 N.C C921 7 14 FME-210B10A/150V 8 C907 R925 D932 9 PX 150uF/450V 22*41 0.01UF/1KV 47K 3W 6 10 10 8 11 C911 1uF/450V R908 D903 R915 330K 1/8W C922 D906 D907 0.0022uF/1KV BA159G BA159G 5 9 R950 R951 1K 1/16W 1K 1/16W 12 R952 13 1K 1/16W 14 0 1/10W LL4148WP L903 120UH R903 620K 1/8W R904 R907 68K 1/10W R909 22 1/10W Q901 STP20NM50FP C923 shift vally翴 Demg 3mA穦玂臔 C923 R926 R927 20K 1/10W 3 10 C930 R940 13 12 1 11 1000PF/1KV 47 /1W Vip 3 Vin 4 IC931 5 Vcc out 1 R953 1K 1/16W Q921 PMBS3904 14P/2.0mm CN922 1 2 Vss 3 MUL GND 6 1 FB VCC 8 C910 1uF/450V 620K 1/8W N.C C905 R905 0 1/8W 100PF/1KV C914 0.1uF + C913 22uF/50V 7 COMP OUT R910 20K 1/10W R916 330K 1/8W ZCD 5 FA5500AN IC901 R911 470 1/10W R912 0.15 3W R917 330K 1/8W C926 470PF IC902 1 Demag HV 2 FB N.C 3 CS Vcc 4 GND Drv 82PF VCC3 8 7 6 5 10K 1/10W D908 LL4148WP R928 22 1/10W Q902 STP10NK70ZFP 2 D910 FMB29L C938 R939 R954 2 24V FP130 51K 1/16W C970 0.1uF 3 4 51K==>5.7A 5 SMD 56K==>5.0A 51K==>6.0A DIP D923 6 7 8 2 56K==>5.4A 1N4148 9 12VIN 10 L906 TVS901 P6KE12A 1 RJ902 S_PROTECTION 4 IS +4 2 C918 NCP1377 C924 + C925 0.1uF C973 0.1uF ZD910 RLZ20B R929 20K 1/10W 1000PF/1KV 47 /1W 3.5UH 1 2 12V 8m 10P/2.0mm 2 3 1000PF/50V 47uF/50V 1 + C939 + C941 - BD901 D10XB60 R906 10K 1/10W 1% C915 0.01uF R914 R918 18K 1/10W 1% R930 1000uF/25V 470uF/25V CN923 1 2 1 100PF/1KV N.C C906 10K 1/10W R919 10K 1/10W 1% 100 1/10W 3 AUDIO 4 C927 5 C916 470PF VCC Increasing Level at which the R931 6 220pF C917 0.47uF/25V IC111 Current Source Turns.Off 6 VCCON 0.27 3W 7 8 D925 VCC2 1 OUT GND 4 11.6 12.5 13.7 V 9 CN925 10 11 2 3 L902 1 4 BA159G C111 R111 4.7M 1/8W R112 4.7M 1/8W R113 4.7M 1/8W 2 3 VIN N.C C112 0.1uF NCP305 VCC4 R941 470 1/6W R989 JUMPER F902 1 R30-250(30V/2.5A) 2 3 4 C969 0.1uF 12 12P/2.0mm 絋粄竲禯 0.01F/630V R114 220K 1/10W R999 D909 LL4148WP 2 4.94~5.20V 24VIN 12V 4P/2.0mm 12V R932 ZD902 22V 100 1/8W R997 + C928 4.7K 1/10W RLZ5.1B R944 R990 12V 12VIN C903 C904 B+ 100 1/8W 22uF/50V 5VS 1 R942 2K 1/10W 10K 1/10W 43K 1/10W 1% 1 4 1000PF/250V 1000PF/250V IC910 PC123FY2 4P 2 2 2 T902 EFD25/ Lp=?UH R998 100 1/8W L907 C944 1 C912 R965 1uF/450V VCC1 C950 1000PF/1KV 100K 2W D916 D920 6 7 FMW-2156 C965 1000PF/1KV 3.5UH 3 2 C943 0.1uF 0 1/10W R943 0.1uF ZD903 MTZJ27B(24.97~26.26V) R946 1 1 ZD904 1 ZD905 MTZJ15B(13.89~14.62V) 15K 1/10W 1% MTZJ24B(22.61~23.77V) R955 1K 1/16W R956 1K 1/16W R957 1K 1/16W Vip 3 Vin 4 + + 9 C957 + C960 R945 2 2 3 L901 BA159G D917 BA159G 3 10 1000uF/16V C958 1000uF/16V C959 0.1uF 470uF/16V ZD906 RLZ5.6B IC921 KIA431 0 1/10W R947 1.5K 1/10W 1% D913 D914 D915 LL4148WP LL4148WP LL4148WP IC932 5 Vcc out 1 R958 1K 1/16W R959 Q922 PMBS3904 2 Vss 1 4 D918 R970 UF4003 5R1 1/8W 1 S_PROTECTION FP130 120K 1/16W C971 4 D921 0.1uF 5 VCC 7 D1 D2 8 LL4148WP 120K==>2.7A D924 C908 C952 + C951 5 1N4148 150K==>2.2A 0.47uF/250V IC903 0.1uF 47uF/50V S_PROTECTION 4 FB 3 GND 2 FM 1 OCP STR-A6252 R976 470 1/6W VFB R979 10K 1/6W 5V 22V Q907 R900 390K 1/8W R902 390K 1/8W R901 390K 1/8W R969 0.82 2W C953 0.22uF/25V C954 4 1 IC911 PC123FY2 4P 3 2 R977 2K 1/10W 0 1/10W R978 C963 0.1uF R981 10K 1/10W 1% VCC1 Q914 2 3 VCC2 PMBS3906 POWER CTRL R987 33K 1/10W AO4411 1 2 3 4 S1 S1 S1 G1 D1 D1 D1 D1 8 7 6 5 R104 10K 1/10W C961 0.1uF 24VS IC101 audio power 1 VIN SWout 2 SI-8120 R101 VOS 4 1.5K 1/10W L101 45UH FB101 BEAD 3 GND 5 S.S 4700PF/25V N.C R996 R102 R971 C962 0.1uF R980 1K 1/10W R984 10K 1/10W 1K 1/10W 1 D922 LL4148WP Q101 PMBS3904 1.5K 1/10W D101 + C102 C103 3 RV901 1K 1/10W IC922 KIA431 S_PROTECTION C101 1 R103 SR54 1000uF/35V 0.1uF Varistor R983 R985 10K 1/10W ZD909 R986 1K 1/10W R991 470 1/8W 2 0.1uF 1K 1/8W D919 10K 1/10W 1% 2 1 2 + C955 10uF/50V LL4148WP R982 RLZ15B R994 t F901 5A/250V NR901 5A/3 1 R972 1K 1/10W HS3 HS1 200K 1/10W DTC144WKA 4 IC912 PC123FY2 4P 1 SCR901 2N5060 2 1 3 2 1K 1/10W Q102 PMBS3904 1 3 R105 1K 1/10W AUDIO 23" R101,R102 150 C907 3 2 1 CN901 R973 82K 1/10W 2 Q912 PMBS3906 1 3 1 2 H/S Q901 HS2 1 2 H/S D920 HS4 HS7 1 2 2 3 Q916 1 C966 0.1uF 3 2 32 Q915 PMBS3904 1 C964 0.1uF 3 R988 1K 1/10W R993 PS PS CN924 1 2 3 120UF/450V C102 1000UF/25V ZD904 MTJZ15B 3P/3.96mm 1 3 1 2 1 Q913 2 H/S BD901 Q923 1 C967 R995 4 PMBS3904 0.1uF 1K 1/10W 1K 1/10W 5V 5 6 3 2 1 3 2 1 3 2 1 3 2 1 R974 + C956 10uF/50V C972 0.1uF 2 PMBS3904 H/S Q902 H/S D910 HS5 1 HS6 1 GND4 2 7 8 GND1 GND3 GND2 C968 0.1uF R992 470 1/8W 5VS 9 Title AC INLET 1 AC INLET AC INLET 2 AC INLET 3 AC INLET 4 18K 1/10W 2 2 1 1 1 1 715L1624-G Size Document Number Rev WIRE GREEN WIRE L/N TUBE H/S D931 H/S IC903 GND GND 9P/2.0mm Custom DELL 26" TV A GND GND Date: Saturday, July 02, 2005 Sheet 1 of 2 99