Sony HCD-J300 Service Manual page 66

HCD-J300
QQ
3 7 63 1515 0
Pin No. Pin Name
86 TFDR
87 DVDD
88 FFDR
89 FRDR
90 FS4
91 SRDR
92 SFDR
93 SPRD
94 SPFD
95 FGIN I (S)
96 to 98 TEST1 to TEST3
99 DVSS
100 EFMO
• Abbreviation
EFM: Eight to Fourteen Modulation
TE
L 13942296513
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I/O
O Tracking servo drive PWM output (+)
— +3V power supply (Digital)
O Focus servo drive PWM output (+)
O Focus servo drive PWM output (–)
O 176.4 kHz clock signal output (X'tal) (Not used)
O Sled servo drive PWM output (–)
O Sled servo drive PWM output (+)
O Spindle servo drive PWM output (–)
O Spindle servo drive PWM output (+)
Test input (Fixed at "L")
I
— Ground (Digital)
O EFM output when recording
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Description
Q Q
3 6 7 1 3
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2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
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co
9 9
2 8 9 9