Sony HCD-MD5 - Page 58

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Pin No. Pin Name I/O Function
83 TS25 I Test pin (Connected to ground).
84 LDDR O Laser APC signal output
85 TRDR O Tracking servo drive signal output (–)
86 TFDR O Tracking servo drive signal output (+)
87 FFDR O Focus servo drive signal output (+)
88 DVDD — Power supply (+5V) (Digital system)
89 FRDR O Focus servo drive signal output (–)
90 FS4 O 176.4 kHz clock signal output (MCLK system)
91 SRDR O Sled servo drive signal output (–)
92 SFDR O Sled servo drive signal output (+)
93 SPRD O Spindle servo drive signal output (–)
94 SPFD O Spindle servo drive signal output (+)
95 DCLO O Usually not used (Open).
96 DCLI I Usually not used (Connected to DVDD).
97 XDCL — Usually not used (Open).
98 OFTRK O Off track signal output
99 COUT O Traverse count signal output
100 DVSS — GND (Digital system)
* I/O (3) stands for 3-state output. (A) stands for analog output.