Sony MDSJE320 Service Manual - Page 45

Pin No. 41 42 43 44 45 46 47 48 49 50, 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 Pin Name MNT2 MNT3 LED0 - - BUS OUT GND +3.3V BEEP SW JOG 1, JOG 0 SDA SCL - - - - - AUBK SA/SW - - CLKSET0 CLKSET1 GND +3.3V SCLK SWDT SRDT - FLCLK FLDATA FLCS - LDON PIT/GROOVE 77 FOK 78 MODEL 79 LOCK 80 WRPWR I/O Function I Monitor 2 input from the CXD2650R or CXD2652AR I Monitor 3 input from the CXD2650R or CXD2652AR O Drive output to the POWER ON/STANDBY display LED - Not used - Not used O Not used - Ground - +3.3V power supply I Input from the BEEP sound output ON/OFF switch I JOG dial pulse input from the rotary encoder I/O Data signal input/output pin with the backup memory O Clock signal output to the backup memory - - - Not used - - I Not used O Audio bus/remote control switching signal output (Not used) - - Not used I I Clock destination select pin (Fixed at "L") - Ground - +3.3V power supply O Clock signal output to the serial bus O Writing data signal output to the serial bus I Reading data signal input from the serial bus - Not used O Serial clock signal output to the display driver O Serial data signal output to the display driver O Chip select signal output to the display driver - Not used O Laser ON/OFF control output "H": Laser ON I Pit/groove detection input "H" is input for the playback only disc or TOC area (Not used) FOK signal input from the CXD2650R or CXD2652AR I "H" is input when focus is on I Fixed at "L" O Not used O Laser power switching signal output to the optical pick-up and CXD2650R or CXD2652AR - 61 -