Sony HCD-HX7 Service Manual - Page 27

6-9. SCHEMATIC DIAGRAM - USB Section (HX3/HX5) - • See page 41 for Waveforms. • See page 46 for IC Block Diagrams. • See page 53 for IC Pin Function Description. HCD-HX3/HX5/HX7 CCE BUCK BUS3 BUS2 BUS1 BUS0 A16 A15 A14 A13 LRCK SRAM-CS UB LB WR RD SS ADJ GND SW IN RESET USB-RST DI R915 10k R913 100k C908 0.1 BOOT C912 C910 10p 22p X901 9MHz C909 22p R916 0 R919 100 R917 0 FLG EN R920 10k AMO DO USB-SO TXD1 USB-SI RXD1 BCK A-IN GATE REQ ST-REQ R921 100k C914 0.1 R922 100k R923 27 R924 27 C913 0.1 R928 0 R981 100 C915 0.1 R938 100 R946 4.7k R948 4.7k R933 0 R934 10k DVCC USBOC USBPON D+ DAM0 NO USE DVSS DO DATA CLOCK TXD1 RXD1 NO USE SDA SCL BCK DATA GATE DVCC REQ ST-REQ G-1 G-2 DVSS USB CONTROLLER IC901 TMP92CD28FG-2CB2 X1 DVSS X2 AM1 LRCK CS2 BOOT NO USE SRLUB SRLLB WR RD DVCC DVSS NO USE /CCE /BUCK BUS3 BUS2 BUS1 BUS0 A16 A15 A14 A13 R907 4.7k R906 4.7k R905 4.7k R944 100k R904 4.7k R943 100k R903 4.7k R942 100k R902 4.7k R941 100k A12 A11 A10 A9 A8 DVCC DVSS A7 A6 A5 A4 A3 A2 A1 A0 D15 D14 D13 D12 D11 D10 D9 D8 DVCC DVSS /RESET DI NO USE NO USE G-3 DVCC NO USE NO USE NO USE DVSS DVCC RVOUT1 RVIN RVIN RVOUT2 DVCC DVSS D0 D1 S2 D3 D4 D5 D6 D7 C902 10 16V JR902 0 C903 10 16V D0 D1 D2 D3 D4 D5 D6 D7 R901 10k C901 0.1 R937 100 R983 100 R950 4.7k C904 10 16V C905 0.1 A7 A6 A5 A4 RB923 D8 47 D9 D10 D11 C907 0.1 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 RB924 47 D12 D13 D14 D15 LB UB RD A3 A2 A1 C922 0.1 D15 D14 D13 D12 D11 D10 D9 D8 C920 0.1 C906 0.1 EN FLG S-RAM IC921 IS61LV6416-10T NC A6 A5 A4 A3 NC I/O8 I/O9 I/O10 I/O11 VDD GND I/O12 I/O13 I/O14 I/O15 LB UB OE A2 A1 A0 NC A7 A8 A9 A10 WE I/O7 I/O6 I/O5 I/O4 GND VDD I/O3 I/O2 I/O1 I/O0 CE A11 A12 A13 A14 A15 C921 0.1 FB902 R926 15k R925 15k FB901 D901 MC2837 D902 MC2837 C917 220 6.3V VBUS POWER ON/OFF SWITCH IC915 R5523N001BTR-F EN OUT GND FLG IN C918 10 D905 MC2837 C916 0.1 RB922 47 A8 A9 A10 A11 WR D7 D6 D5 D4 D3 D2 RB921 47 D1 D0 SRAM-CS A12 A13 A14 A15 A16 CCE BUCK BUS3 BUS2 BUS1 BUS0 LRCK USB-RST ST-REQ REQ GATE A-IN BCK USB-SI USB-SO DI DO R970 100 R971 100 R972 100 R973 100 R974 100 R975 100 R976 100 R977 100 R978 100 R979 100 R932 100 R982 100 R984 100 CCE BUCK BUS3 BUS2 BUS1 BUS0 DVDD3.3V DVSS LRCK USB-RST ST-REQ REQ GATE A-IN BCK USB-SI(RXD) USB-SO(TXD) DI(CTS) DO(RTS) CN905 19P (Page 35) VBUS DD+ GND C930 0 CN902 4P (USB) CN908 2P VBUS-5V VBUS-GND CN322 2P(HX3) 4P(HX5) +11V GND DVDD_5V DGND (Page 34) (HX5) CN324 2P VBUS-5V VBUS-GND R315 0 R307 100k R317 4.7k SWITCHING REGULATOR IC319 SI-8008TFE L101 47µH R314 1k R409 4.7k C325 2200 16V D208 21DQ04 C358 0.1 C324 220 25V BOOT AM0 TXD1 RXD1 RESET BOOT AM0 TXD1 RXD1 RESET DVSS VCC CN904 7P (NC) EP901 (CHASSIS) HCD-HX3/HX5/HX7 27 27