Sony MEX-1HD - Audio Library System, Service Manual

Page: 71 / 124

71
MEX-1HD
Pin No. Pin Name I/O Description
120 to 123 SLCO0 to SLCO3
O EFM slice level signal output terminal
124 EFMIN I EFM signal input from the RF amp
125 EFMIN2 I EFM signal input from the RF amp
126 AVSS — Ground terminal
127 JITC O Jitter output terminal
128 PWM0 O PWM signal output for VCO Not used
129 FR I VCO frequency setting terminal
130 PCKISTF I Charge pump setting terminal for frequency comparison
131 PCKISTP I Charge pump setting terminal for phase comparison
132 PLL2VDD — Power supply terminal (+3.3V)
133 PLL2VSS — Ground terminal
134 PD0 O Charge pump filter output terminal
135 to 137
PDS1 to PDS3 O Charge pump selection output terminal
138 RPO
O
P/N balance adjustment terminal
139 SVSS — Ground terminal
140 AD1
I
Focus error signal input from the RF amp
141 PH
I
Light amount signal (RF/ABCD) peak hold signal input from the RF amp
142 BH
I
Light amount signal (RF/ABCD) bottom hold signal input from the RF amp
143 RREC
I
Reflection signal input from the RF amp
144 FE
I
Focus error signal input from the RF amp
145 TE
I
Tracking error signal input from the RF amp
146 TES
I
TES signal input from the RF amp
147 VREF
I
Reference voltage input terminal
148 PHC
O
Connected to the external capacitor for peak hold slice
149 BHC
O
Connected to the external capacitor for bottom hold slice
150 FBAL
O
Focus balance adjustment signal output to the RF amp
151 TBAL
O
Tracking balance adjustment signal output to the RF amp
152 SGC
O
Servo gain adjustment signal output to the RF amp
153 TOFST
O
Tracking offset adjustment signal output
154 SVDD — Power supply terminal (+5V)
155 SVSS — Ground terminal
156 TDO
O
Tracking servo drive signal output to the BA5918FP
157 FDO
O
Focus servo drive signal output to the BA5918FP
158 SLDO
O
Sled servo drive signal output to the BA5918FP
159 SPDO
O
Spindle servo drive signal output to the BA5918FP
160 VDD0 — Power supply terminal (+5V)
161 VSS — Ground terminal
162 VDD1 — Power supply terminal (+3.3V)
163 RHLD
O
Automatic gain control hold signal output to the RF amp
164 TSH
O
TS frequency control signal output to the RF amp
165 EQS
O
RF equalizer selection signal output to the RF amp
166 GHS
O
RF and servo gain control signal output to the RF amp
167 LDON
O
Laser diode on/off control signal output to the RF amp
168 TEST2
I
For test terminal (normally: fixed at “L”)
169 FG
I
FG signal input from the spindle motor driver
170 IOPORT10
O
Standby signal output to the spindle motor driver