Sony STR-KS2000 Service Manual - Page 39

STR-KS2000 6-30. SCHEMATIC DIAGRAM - SMPS Board - • See page 41 for IC Block Diagrams. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 A SMPS BOARD B C AC IN D E F G H I J K L LIVE NUTRAL CN901 3P 1 3 (CHASSIS) EB909 EB901 (CHASSIS) EB902 E E E F901 8A 125V(US,CND) T6.3AL 250V(AEP,UK) C901 0.22 275V (AEP,UK) R901 1M 1/2W L951 1 4 2 3 R902 3.3M 1/2W (US,CND) IC B/D IC901 POWER CONTROL VDR901 C964 ∗ C963 ∗ ∗C963,964 470p 250V(AEP,UK) 2200p 250V(US,CND) L952 1 4 2 3 TH901 C902 0.22 275V D901 D5SBA60F01 ~ ~ C920 0.01 250V (US,CND) JW970 JW971 C918 0.01 250V C903 330 450V(AEP,UK) 1000 250V(US,CND) FR901 0.1 1W (AEP,UK) OCP GND D VCC OLP 1 2345 D904 C906 1000p 1.5kV (AEP,UK) C909 220p C908 47 35V 3.3 20.9 319 0.4 IC901 STR-F6138-LF1352(US,CND) STR-F6168-LF1352 (AEP,UK) C983 100p 250V C912 100p 250V IC B/D IC921 POWER CONTROL 318.7 0 22 1.5 317.9 D916 MA111-TX D915 MAZ8100GMLS0 20.9 20.9 20.3 Q901 2SB1116A-TP-LK B+ SWITCH D908 MA111-TX D905 D1NL20U-TR2 D914 MA111-TX R907 10k C911 4700p C985 3300 1.5kV (US,CND) R914 0.05 5W(US,CND) 0.1 5W(AEP,UK) R913 0.22 2W (US,CND) IC921 STR-V153 R912 0.22 2W(US,CND) 0.33 2W(AEP,UK) D907 MA111-TX R906 3.3k C907 1000p(AEP,UK) 1500p(US,CND) R919 18k R911 220 D OCP VCC GND FB/OLP STARTUP 1 34 56 8 D910 MA111-TX R967 2.2 1/2W R968 1k R925 10 D971 STO2D-140 C925 47p 2KV C923 4700p R927 0.82 1W(US,CND) 1 1W(AEP,UK) C929 0.1 D926 MAZ8051GMLS0 D925 MAZ8051GMLS0 D924 UDZW-TE17-24B Q921 2SD1616A-TP-LK B+ SWITCH 22 D923 MAZ8100GMLS0 23 22.5 R923 4.7k D922 D1NL20U-TR2 R985 4.7 R926 680k C924 2.2 50V C922 22 35V ∗R903,904 33k 3W(US,CND) 100k 3W(AEP,UK) C938 3300p 250V(US,CND) 470p 250V(AEP,UK) C905 0.01 400V(US,CND) 0.0033 400V(AEP,UK) R903 ∗ R904 ∗ D913 SARS03 R905 10 R910 2.2k 8 6 9 5 10 4 11 3 12 2 13 1 14 T901 MAIN POWER TRANSFORMER C931 0.01 630V(AEP,UK) 0.047 630V(US,CND) D931 FCH20A15 C935 0.1 C932 2200 35V L931 5.6uH C933 2200 35V R934 1k R975 3.3k C937 0.047 R933 4.7k R931 3.3k R965 5.6k R932 33k R974 22k C936 0.1 C934 2200 35V C939 0.1 R936 470k 28.7 3 2 IC931 SHUNT REGULATOR IC931 TA76431AS(TPE6) 2.5 1 R939 3.3k 30.6 0 Q944,964 POWER VOLTAGE CONTROL 0 3.4 Q964 2SC3052EF-T1-LEF Q944 RT1N141C-TP-1 R909 100k C910 22 50V R908 3.3k D909 1/2W MA111-TX PC901-904 ISOLATOR PC901 TLP421F(D4-GR) 1.7 31.7 30.6 PC903 TLP421F(D4-GR) 6.8 3.9 R935 1k IC B/D IC944 +3.3V REGULATOR IC944 SI-3033KM-TL R937 10k R940 10k D932 MAZ8051GMLS0 R949 1k R938 1k 0 Q943 RT1N141C-TP-1 3.4 Q943,947 POWER ON/OFF CONTROL 3.4 Q947 RT1N141C-TP-1 0.8 6.2 S 6.2 Q946 RSR025N03TL 11.9 B+ SWITCH IC B/D IC942 +5V REGULATOR IC942 SI-3050KM-TL R969 47k R978 1k D972 11EQS04-TB5 IC941 +12V REGFULATOR IC941 SI-3120KM-TL IC B/D ENABLE INPUT GND OUTPUT SENSE 3.5 ENABLE 6.2 INPUT GND 5 OUTPUT 5 SENSE 3.5 ENABLE 3.9 INPUT GND 3.3 OUTPUT 3.3 SENSE R915 100k(US,CND) 470k(AEP,UK) 2.9 120.5 PC904 TLP421F(D4-GR) 0.6 R960 4.7k 12345 12345 3.5 12.6 12 12 1 2345 L950 10uH 0.6 PC902 TLP421F(D4-GR) 1.5 T902 SUB POWER TRANSFORMER 1 16 2 15 3 14 3.9 R956 1k 2.9 C953 0.001 2kV D941 D1NL20U-TR2 D944 EK19LF-F7 D942 EK19LF-F7 4 13 5 12 D943 RK46LF-T2 R955 470 L942 10uH L945 10uH C946 1000 16V C978 0.1 C941 1000 25V 11 7 10 8 9 C928 220p 250V C976 0.1 25V C940 3300 10V C944 2200 16V C977 0.1 L936 10uH L937 10uH R954 22k C979 0.1 2.5 3 2.3 1 IC951 2 TA76L431S(TPE6,Q) IC951 SHUNT REGULATOR R962 150 C952 0.047 R951 220 R952 2.2k C958 22 35V C980 0.01 C960 C959 0.1 100 10V L947 10uH L948 10uH R970 10k C945 22 35V C981 0.01 9.2 S 9.2 Q945 RSR025N03TL B+ SWITCH 11.9 R953 3.9k R943 0 C954 0.1 C947 100 D945 UDZW-TE17-20B R941 0 C982 0.01 C942 22 35V C943 100 16V C951 0.1 R957 47k R958 1k L935 10uH L934 10uH R966 100k C975 0.1 C961 47 10V Q961 2SC2412K-T-146-R 0 AC DETECT 0.6 CN902 4P 1 2 3 4 P-GND 32.0V 32.0V P-GND D MAIN BOARD (8/10) CN3002 (Page 25) E E E EB903 EB904 EB905 (CHASSIS) CN906 9P 1 3 4 5 6 7 8 9 D.DCON5V 6V AMP_12V 12V 3.3V 8V D-GND D-GND CN905 7P 1 E4V 2 AGND 3 AGND 4 AC-DET 5 P-CONT1 6 P-CONT2 7 P-CONT3 CN903 6P 6 +6.3V 5 D-GND 4 D-GND 3 +4.1V 1 +4.1V E MAIN BOARD (4/10) CNP501 (Page 21) F MAIN BOARD (4/10) CNP502 (Page 21) H HDMI REPEATER BOARD (2/2) CN3509 (Page 31) STR-KS2000 39 39