Sony STR-K7100 Service Manual - Page 40

STR-K7100 5-27. PRINTED WIRING BOARD - POWER SECTION - • Refer to page 14 for Circuit Boards Location. : Uses unleaded solder. 1 2 3 4 5 6 7 A STANDBY BOARD (CHASSIS) B900 B CL902 CL901 (Page 23) MAIN BOARD CNP801 J (Page 23) MAIN BOARD CNP802 K T901 POWER TRANSFORMER (MAIN) VIO WHT C FH901 FH902 F901 JW913 CNP902 1 2 1 2 CNP902 D RY901 JW912 CNP901 1 2 1 2 CNP901 L N JW916 JW905 D901 R904 R901 E C922 G901 F E JW910 D911 R902 Q901 G B • Semiconductor Location H Ref. No. Location D901 D-1 D910 G-3 D911 G-2 D912 G-2 D913 G-2 D914 G-2 D915 G-2 D920 E-5 D921 E-5 D922 E-5 D923 E-5 Q901 G-2 Q921 F-4 JW921 D913 D914 D912 C921 D915 D910 AC IN ~ T902 POWER TRANSFORMER (SUB) Q921 JW917 B E D920 D921 D922 D923 R922 C924 C913 C914 R810 (Page 41) DCDC BOARD CN4001 S C916 R811 ORG BLK BRN JW908 JW920 C920 R921 R923 R903 JW919 C950 JW901 CNP804 C915 3 1 CNP805 3 1 JW915 JW904 1 6 CNP903 CNP802 GRY GRY ORG 3 1 CNP805 CNP802 1 3 1 CNP804 6 GRY GRY GRY GRY GRY RED 5 1 11 1-872-434- (11) I 5 1 CNP903 MAIN BOARD CN915 (Page 23) GRY GRY GRY GRY ORG N DIGITAL BOARD CNP505 1-5 (Page 27) STR-K7100 40 5-28. SCHEMATIC DIAGRAM - POWER SECTION - 1 2 3 4 5 6 A MAIN 2 J B O A R D (2/2) 3 CNP801 4 (Page 25) 5 T901 POWER TRANSFORMER (MAIN) 5 4 MAIN B K B O A R D (1/2) CNP802 3 2 (Page 24) (Page 41) DCDC BOARD 3 CN4001 2 S 2 C CNP805 3P 1 R2 AC 2 R2 GND 3 R2 AC CNP804 3P 1 R2 AC 2 R2 GND 3 R2 AC STANDBY BOARD R810 0.22 1/2W R811 0.22 1/2W D MAIN I B O A R D (1/2) CN915 (Page 24) E DIGITAL N B O A R D (2/3) CNP505 15 (Page 29) F G CNP802 6P SUB-T +15V R2 GND STBY GND -15V R2 RETURN GND CNP903 5P +15V 1 STOP 2 STBY GND 3 +9V(STBY) 4 POWER RY 5 1 2 3 4 5 6 D920-923 RECT D920 10EDB40-TA2B5 C913 0.1 D923 10EDB40-TA2B5 C916 1000 25V C915 2200 25V D921 10EDB40-TA2B5 D922 10EDB40-TA2B5 C914 0.1 R903 2.2k 0.2 0.8 Q901 2SC1740S-QRT RELAY DRIVER R902 47k C950 3300 16V R904 1 D 9 1 01 0 E D B 4 0 - TA 2 B 5 D 9 1 11 0 E D B 4 0 - TA 2 B 5 JW908 C920 0.1 0 Q921 2SC1740S-QRT A C I N D E T E C T0 . 6 R923 10k R922 22k C924 1 50V D 9 1 21 0 E D B 4 0 - TA 2 B 5 D 9 1 31 0 E D B 4 0 - TA 2 B 5 D914 1SS133T-72 D915 1SS133T-72 R921 47k D910-913 RECT C921 0.1 C922 0.1 8 6 F901 5A 125V T902 POWER TRANSFORMER (SUB) 4 3 1 G901 E (CHASSIS) D901 1SS133T-72 RY901 JW905 CNP902 2P 1 2 LIVE NEUTRAL CNP901 3P 1 LIVE R901 3.3M 3 NEUTRAL AC IN ' 40