Sony MDS-JE780 Service Manual page 48

MDS-JE780
Pin No. Pin Name
92 VDIO1
VSIO1
93
F0CNT
94
95 VDC3
96 VSC3
97 XLRF
98 CLRF
99 DTRF
100 APCR
101 LDDR
102 TRDR
103 TFDR
104 FFDR
105 FRDR
FS4
106
SRDR
107
SFDR
108
SPRD
109
SPFD
110
FGIN
111
TST1 to TST3
112-114
EFMO
115
116 VDIO2
117 VSIO2
118 VDC4
119 VSC4
120 MDDT1
• Abbreviation
EFM: Eight to Fourteen Modulation
48
I/O
Power supply
—
Ground
—
Filter f0 control output to the CXA2523AR
O
Power supply
—
Ground
—
Control latch output to the CXA2523AR
O
Control clock output to the CXA2523AR
O
O Control data output to the CXA2523AR
O Reference PWM output for the laser APC
O PWM output for the laser digital APC (Not used) (Open)
O Tracking servo drive PWM output (–)
O Tracking servo drive PWM output (+)
O Focus servo drive PWM output (+)
O Focus servo drive PWM output (–)
O 4Fs clock signal output (Not used) (Open)
Sled servo drive PWM output (–)
O
Sled servo drive PWM output (+)
O
Spindle servo drive PWM output (–)
O
Spindle servo drive PWM output (+)
O
Spindle CAV servo FG signal input (Fixed at "L")
I
Test input (Fixed at "L")
I
EFM output when recording
O
— Power supply
—
Ground
—
Power supply
—
Ground
I
MD data mode1 switching signal input (Fixed at "L")
Description