Sony MDS-JA50ES Service Manual page 65

Pin No. Pin Name
81 TEST1
82 ADFG
83 TS25
84 LDDR
85 TRDR
86 TFDR
87 FFDR
88 DVDD
89 FRDR
90 FS4
91 SRDR
92 SFDR
93 SPRD
94 SPFD
95 DCLO
96 DCLI
97 XDCL
98 OFTRK
99 COUT
100 DVSS
* (3) of I/O is 3-state output, (A) is analog output.
I/O
I Test pin (Fixed at "L")
Input of ADIP dual FM signal from RF amplifier (22.05 kHz ±1 kHz)
I
(TTL Schmidt input)
Test pin (Fixed at "L")
I
Laser APC signal output
O
O Tracking servo drive signal output (–)
Tracking servo drive signal output (+)
O
Focus servo drive signal output (+)
O
Power supply (+5V) (Digital)
—
Focus servo drive signal output (–)
O
176.4 kHz clock signal output (MCLK) (Not used)
O
Sled servo drive signal output (–)
O
Sled servo drive signal output (+)
O
Spindle servo drive signal output (–)
O
Spindle servo drive signal output (+)
O
Not used normally
O
Not used normally (Fixed at "H")
I
Not used normally
O
Off track signal output (Not used)
O
Traverse count signal output (Not used)
O
Ground (Digital)
—
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Function