Sony MZ-N505 Service Manual - Page 32

MZ-N505 SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM - SERVO/USB Section - OPTICAL PICK-UP BLOCK (LCX-5R) HR601 OVER WRITE HEAD OVER WRITE HEAD DRIVE Q604, 605 IY IX JX JX JY JX JY IX IY IX A A BC D B C D MON LD LD-A RF AMP, FOCUS/TRACKING ERROR AMP IC501 4 VREF AUTOMATIC POWER CONTROL Q501 IY 8 9 IX 10 JX 11 JY A 12 B 14 5C 6D A-C 13 7 D-C 18 PD-NI RF AMP, FOCUS/ TRACKING ERROR AMP TPP/WPP APC PEAK /BOTM RF OUT 33 PEAK 29 BOTM 28 ABCD 41 FE 42 TE 1 ADIP IN 44 ADFG 21 PD-I 19 VC 31 20 PD-O XRST 25 SERIAL INTERFACE S-MONITER SBUS 23 SCK 24 S-MON 43 S0 S1 2-AXIS DEVICE (FOCUS) (TRACKING) TRK+ TRK- FCS+ FCS- TRK+ TRK- FCS+ FCS- M602 W (SLED) U V M601 W (SPINDLE) U V M603 OVER WRITE HEAD M UP/DOWN 35 HB HA 33 OUTA 41 38 OUTB 25 VREF 163 RFI 169 PEAK 170 BOTM 171 ABCD 172 FE 181 TE 202 ADFG 206 APCREF 174 VC 108 VREF MON OFTRK 26 SW RECON OE RI FI OVER WRITE HEAD DRIVE IC601 (1/2) EFM PRE DRIVER H-BRIDGE PRE DRIVER SYSTEM CONTROL (1/2) 123 56 142 141 140 145 143 EFM 7 CLK 4 VRECIN2 37 VRECIN1 42 C1H CHARGE 28 PUMP 1 C1L 27 C2H CHARGE 31 PUMP 2 C2L 30 VRECO B+ MODE3 MODE2 MODE1 HD CON2 HD CON1 SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR, 16M BIT D-RAM IC801 (1/3) 75 XRF RST 27 SSB DATA 28 SSB CLK 180 SE 80 PD S0 81 PD S1 SLD MON U SLD MON V SLD MON W TRK+ TRK- FCS+ FCS- 30 FO2 32 RO2 13 FO1 11 RO1 35 UO2 25 CPUI2 37 VO2 24 CPVI2 39 WO2 23 CPWI2 26 COM2 FOCUS/TRACKING COIL DRIVE, SPINDLE/SLED MOTOR DRIVE IC551 TRACKING COIL DRIVE FOCUS COIL DRIVE SLED MOTOR DRIVE FI2 28 RI2 27 FI1 15 RI1 16 PWM2 44 UI2 43 VI2 42 WI2 41 CPUO2 45 46 CPVO2 CPWO2 47 SLED VOLTAGE MONITER PWM1 55 8 UO1 18 CPUI1 6 VO1 19 CPVI1 4 WO1 20 CPWI1 17 COM1 SPINDLE VOLTAGE MONITOR SPINDLE MOTOR DRIVE UI1 56 VI1 1 WI1 2 BIAS OE 48 52 53 54 EFMO 230 234 MNT3 CLK D (Page 34) • SIGNAL PATH : PLAYBACK : REC (ANALOG IN) : REC (DIGITAL IN) : USB CHECK OUT DIN1 190 ADDT 195 AOUTL 155 AOUTR 156 AOUTL AOUTR DIN1 A (Page 33) ADDT AOUTL, AOUTR B (Page 33) C (Page 33) UDP 134 UPUEN 135 UDM 133 UOSCI 137 UOSCO 138 X802 48MHz 3 DATA+ 2 DATA- CN701 (1/2) (USB CONNECTOR) 208 TFDR 207 TRDR 209 FFDR 210 FRDR 220 SFDR 84 SLD MON 219 SLDR 221 SLDV 222 SLDW SLCU 225 SLCV 226 SLCW 227 SLD MON U SLD MON V SLD MON W 213 SPFD 76 SPDL MON 212 SPRD 214 SPDV 215 SPDW SPCU 216 CLV MON U SPCV 217 CLV MON V SPCW 218 CLV MON W 74 XRST MTR DRV CLV MON W CPWO1 CLV MON V CPVO1 CLV MON U CPUO1 32 32