Sony MDS-NT1 Service Manual page 54

MDS-NT1
Pin No. Pin Name
100 APC
101 LDDR
102 TRDR
103 TFDR
104 FFDR
105 FRDR
106 FS4
107 SRDR
108 SFDR
109 SPRD
110 SPFD
111
FGIN
112 to 114 TST1 to TST3
115 EFMO
116 VDIO1
117 VSIO1
118 VDC4
119 VSC4
120 MDDT1
54
I/O
O Reference PWM signal output to the RF amplifier for the laser automatic power control
O PWM signal output terminal for laser digital automatic power control Not used
O Tracking servo drive PWM signal (–) output
O Tracking servo drive PWM signal (+) output
O Focus servo drive PWM signal (+) output
O Focus servo drive PWM signal (–) output
O Clock signal (176.4 kHz) output terminal (X'tal system) Not used
O Sled servo drive PWM signal (–) output
O Sled servo drive PWM signal (+) output
O Spindle servo drive PWM signal (–) output
O Spindle servo drive PWM signal (+) output
I
FG input terminal for spindle servo Not used
I Input terminal for the test
O EFM signal output terminal when recording mode "L" is output when playback mode
— Power supply terminal (+3.3V) (for I/O)
— Ground terminal (for I/O)
— Power supply terminal (+2.5V) (for core)
— Ground terminal (for core)
MD data mode selection signal input terminal
I
"L": normal mode, "H": MD data mode (fixed at "L" in this set)
Description