Sony MZ-R70 - Page 39

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Pin No. Pin Name I/O Pin Description
108 VDC4 — Power supply terminal (+1.8 V) (for internal logic)
109 TRDR O Tracking servo drive PWM signal (–) output to the MPC17A56FTA (IC601)
110 TFDR O Tracking servo drive PWM signal (+) output to the MPC17A56FTA (IC601)
111 FFDR O Focus servo drive PWM signal (+) output to the MPC17A56FTA (IC601)
112 FRDR O Focus servo drive PWM signal (–) output to the MPC17A56FTA (IC601)
113 FS4 O Clock signal (176.4 kHz) output to the MPC18A21MTB (IC603) (X' tal system)
114 SRDR O Sled servo drive PWM signal (–) output terminal Not used (open)
115 SFDR O Sled servo drive PWM signal (+) output terminal Not used (open)
116 VSC4 — Ground terminal (for internal logic)
117 SPRD O Spindle servo drive PWM signal (–) output terminal Not used (open)
118 SPFD O Spindle servo drive PWM signal (+) output terminal Not used (open)
119 FGIN I FG signal input terminal for spindle servo Not used (open)
120 to 122 TEST1 to TEST3 I Input terminal for the test (normally : fixed at “L”)
123 EFMO O EFM signal output when recording mode to the MPC18A21MTB (IC603)
124 SPVS O Spindle servo drive voltage control signal output to the MPC17A56FTA (IC601)
125 VDIO3 — Power supply terminal (+2.4 V) (for I/O)
126 VSIO3 — Ground terminal (for I/O)
127 SPDU O Spindle servo (U) drive signal output to the MPC17A56FTA (IC601)
128 SPDV O Spindle servo (V) drive signal output to the MPC17A56FTA (IC601)
129 SPDW O Spindle servo (W) drive signal output to the MPC17A56FTA (IC601)
130 SPCU I Spindle servo (U) timing signal input from the MPC17A56FTA (IC601)
131 SPCV I Spindle servo (V) timing signal input from the MPC17A56FTA (IC601)
132 SPCW I Spindle servo (W) timing signal input from the MPC17A56FTA (IC601)
133 SLDU O Sled servo (U) drive signal output to the MPC17A56FTA (IC601)
134 SLDV O Sled servo (V) drive signal output to the MPC17A56FTA (IC601)
135 SLDW O Sled servo (W) drive signal output to the MPC17A56FTA (IC601)
136 VDC5 — Power supply terminal (+1.8 V) (for internal logic)
137 VSC5 — Ground terminal (for internal logic)
138 SLCU I Sled servo (U) timing signal input from the MPC17A56FTA (IC601)
139 SLCV I Sled servo (V) timing signal input from the MPC17A56FTA (IC601)
140 SLCW I Sled servo (W) timing signal input from the MPC17A56FTA (IC601)
141 SLVS O Sled servo voltage control signal output to the MPC17A56FTA (IC601)
142 BYPS O By-pass transistor control signal output to the MPC17A56FTA (IC601) Not used (open)
143 VSSDRAM — Ground terminal (for internal 16M bit D-RAM)
144 VDDDRAM — Power supply terminal (+2.4 V) (for internal 16M bit D-RAM)