Sony HCD-C990 Service Manual - Page 32

HCD-C770/C990 SECTION 7 DIAGRAMS 7-1. BLOCK DIAGRAM - RF SERVO Section - • SIGNAL PATH : CD PLAY : DVD PLAY : SACD PLAY : AUDIO : VIDEO RF 1 DVDRFP ATOP 62 59 AIP FNP 53 54 DIP RFAC 57 63 RFSIN ATON 61 60 AIN FNN 52 55 DIN 50 RFAC DOUT 64 PCMD 66 A B DETECTOR C D F E OPTICAL PICK-UP BLOCK (TDP022W) LASER DIODE (FOR CD) CD LD PD LASER DVD LD DIODE (FOR DVD) 3 A2 4 B2 5 C2 6 D2 D C B A B A D C B A D C AUTOMATIC POWER CONTROL (FOR CD) Q002 AUTOMATIC POWER CONTROL (FOR DVD) Q001 18 CD E 17 CD F 12 A 11 B 10 C 9D 16 CD A 15 CD B 14 CD C 13 CD D 22 CDLD 24 CDPD 23 DVDPD 21 DVDLD 36 V125 CD/DVD/SACD RF AMP, FOCUS/TRACKING ERROR AMP IC001 INLIM SW LASER DIODE SELECT Q301 2AXIS DEVICE FOCUS/ TRACKING COIL FCS+ FCS- TRK+ TRK- FOCUS/TRACKING COIL DRIVER, SPINDLE, SLED MOTOR DRIVER IC501 42 BUFFER 40 36 FOCUS COIL 48 37 DRIVE 1 34 TRACKING COIL 3 35 DRIVE 4 AVC (1.65V) FF FR TF TR M2 (SLED) M M1 (SPINDLE) M 32 SLED MOTOR 31 DRIVE 7 30 29 SLED MOTOR DRIVE 10 MUTE12 19 MUTE34 20 MUTE5 21 TSD-M 22 27 28 SPINDLE MOTOR DRIVE 13 47 BUFFER 45 46 BCLK 67 LRCK 65 C2PO 14 WDCK 17 WFCK 10 SBSO 79 EXCK 80 DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR IC401 SDATA 47 SCLK 46 SDEN 48 TE 39 FE 40 MNTR 42 MIRR 27 LDON 26 DATA_RF CLK_RF SDEN TE FE PI MIRR 76 28 31 LDSEL LD ON INLIM FF 7 FCS JMP 1 FR 8 FCS JMP 2 44 SLED B 43 SLED A SLED 61 26 SSTP TE 41 TE 40 SE FE 39 FE PI 43 RFDC 38 VC 42 CE FF FR 33 FFDR 34 FRDR TF TR 31 TFDR 32 TRDR AMP IC402 (1/2) 29 SFDR 30 SRDR XTAI 71 MDP 25 XRST 2 MD2 63 SCOR 15 DATA 4 CLOK 6 XLAT 5 SENS 7 SQSO 76 SQCK 77 LOCK 24 GFS 13 MUTE 3 COUT 19 SCLK 8 FOK 22 MIRR 20 60 MUTE 2D 63 SP ON 73 TSD 62 FG DATA_RF CLK_RF SDEN TE FE PI MIRR SDATA RF SDCLK RF SDEN TE FE PI 83 82 2 65 67 66 MECHANISM CONTROLLER IC301 (1/2) BCLK LRCK C2PO GSCOR WFCK SBSO EXCK SCOR CLOCK GENERATOR IC303 SO2 XTI MO1 SO3 XTO SO1 X302 27MHz 78 10 3 13 9 27M 768FS BUFFER IC703 (2/2) 98 3 DOCTR/ ISBTEST 26 SCOR 49 DATA CD 50 CLOK CD 27 LAT CD 9 SENS CD 52 SQSO 54 SQCK 75 LOCK CD 71 GFS CD 59 MUTE CD XRD 85 XWR 84 XCS DVD 12 INT0 DVD 22 INT1 DVD 23 GFS DVD 58 XRST DVD 25 XDRST D0 - D7 14-21 A0 - A7 89-96 30 COUT CD 72 SCLK CD 74 FOK CD 29 MIRR JIT OFFSET 45 JIT 64 SACD/DVD 77 EEP RDY 6 EEP SI 5 EEP CLK 100 EEP CS 99 SDIN DSD 47 SDOUT DSD 46 SCK DSD 24 XMSLAT 51 READY DSD 48 MUTE DSD 53 32 32 117 RFIN 160 MDAT BCLK LRCK C2PO GSCOR WFCK SBSO EXCK SCOR 158 BCK 163 LRCK 155 C2PO 146 GSCOR 151 WFCK 148 SBIN 147 EXCK 150 SCOR XDCK 48 XSAK 46 HDB8 26 XSHD 49 MNT2 93 DVD DECODER IC701 167 XTA1 169 XTA2 170 XTAL 137 MDIN2 135 SPO HDB0 - HDB7 44, 41, 39, 35, 32, 30, 27, 24 AV DATA BUS WARFI CDDOUT A (Page 33) B (Page 33) SD0 - SD7 (for AUDIO SYSTEM) C (Page 33) SD0 - SD7 (for VIDEO SYSTEM) D (Page 35) XDCK XSAC SDEF XSHD XDCK, XSAC, SDEF, XSHD (for AUDIO SYSTEM) E (Page 33) XDCK, XSAC,, SDEFF (for VIDEO SYSTEM) F (Page 35) WCK G (Page 33) 2-5, 7-10, 41-44, 46-49 I/O0 - I/O15 MDB0 - MDB9, MDBA - MDBF 66-69, 71, 73-75, 96, 97, 99, 101, 102, 104-106 172-176, 1, 2, 4 D0 - D7 16Mbit D-RAM IC706 21-24, 27-32 A0 - A9 MA0 - MA9 79, 80, 82-87, 89, 91 5, 7, 9-14 A0 - A7 17 XRD 18 XWR 19 XCS 20 XINT0 21 XINT1 107 GFS WE 76 XMOE 94 XRAS 78 XCAS 95 AEP0 MNT1 XSRQ 164 XRST 109 92 53 17 WE 33 OE 18 RAS 34 UCAS 35 LCAS COMPARATOR IC703 (1/2) SACD/DVD SELECT IC814 768FS 27M XRST_DSD H (Page 33) I (Page 35) J (Page 33) XSRQ K (Page 33) XSRQ-ZIVA L (Page 35) 5 SDA 6 SCL 7 WP EEPROM IC302 MSDATO MSDATI MSCK XMSLAT SHRRDY SHRMUT MSDATO, MSDATI, MSCK, XMSLAT, SHRRDY, SHRMUT M (Page 33)