Sharp DV-SL90UM Service Manual - Page 23

BLOCK DIAGRAMS System Control / Servo Block Diagram TO VIDEO/ AUDIO BLOCK DIAGRAM PCM-SCLK A-MUTE ADAC-MD ADAC-MC ADAC-ML TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM FS(+) FS(-) TS(+) TS(-) +3.3V IC461 +3.3V IC462 2 RESET 1 1 RESET 3 IC301 (SERVO DRIVE) 15 FOCUS ACTUATOR 16 DRIVE +- 14 TRACKING ACTUATOR 13 DRIVE +- 12 SPINDLE MOTOR 11 DRIVE +- 17 SLED MOTOR 18 DRIVE +- VREF +- 27 26 25 24 +- 1 2 3 +- 4 5 6 23 TRAY-IN SPINDLE MOTOR M SLED MOTOR M SP(+) SP(-) TRAY-IN GND SL(-) SL(+) CN301 3 4 5 6 7 8 +3.3V IC202 (OP AMP) 3 1 2 5 7 6 12 14 13 IC101 (MICRO CONTROLLER) 163 PCM-SCLK 88 A-MUTE 57 ADAC-MD 56 ADAC-MC 86 ADAC-ML 73 RESET 146 FD-OFST 148 FOCUS DRIVE 139 TD-OFST 147 TRACKING DRIVE IC2001 (FRONT PANEL CONTROL) ~ ~ 1G 23 7G 17 GRID FL2001 FIP 76 SPDL 75 SLD CN401 FP-STB 82 20 FP-STB FP-DIN 60 19 FP-DIN FP-DOUT 61 21 FP-DOUT FP-CLK 59 18 FP-CLK REMOTE 67 22 REMOTE a/KEY-1 7 b/KEY-2 8 c/KEY-3 9 d/KEY-4 10 CN1001 e 11 20 2 FP-STB f 12 19 28 FP-DIN g 13 21 27 FP-DOUT h 14 18 1 FP-CLK i 16 22 143 SP-ROT 81 SL-AMP RM2001 REMOTE SENSOR K2 4 K1 3 SEGMENT CN2001 5 KEY-1 3 KEY-2 4 KEY-3 6 KEY-4 1 K2 2 K1 CN2101 5 3 4 6 1 2 KEY MATRIX 1-9-1 DRIVE CBA DVD MAIN CBA UNIT 66 TRAY-IN AV CBA FUNCTION CBA E592ABLS