Sharp CD-DVD500

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CD-DVD500
77 TESM4 — Test terminal.
78 VDD3 Input 3.3 V digital power supply.
79-82 BA0-4 Output External RAM address output.
83 VSS5 — 5 V ground.
84-88 BA4-8 Output External RAM address output.
89 VDD3 Input 3.3 V digital power supply.
90 /BOE Output External RAM/OE signal.
91 /BRAS Output External RAM/RAS signal.
92 /BCAS Output External RAM/CAS signal.
93 /BWL Output External RAM Lower/WE signal.
94 /BWU Output External RAM Upper/WE signal.
95 VDD5 Input 5 V power supply.
96-104 BD0-8 Input/Output External RAM data input/output.
105 VSS3 — 3.3 V digital ground.
106-109 BD9-12 Input/Output External RAM data input/output.
110 VSS5 — 5 V ground.
111-113 BD13-15 Input/Output External RAM data input/output.
114*,115* N.C. — —
116 VDD3 Input 3.3 V digital power supply.
117 PLCK Input/Output PLL system clock input/output.
118,119 TESM5-6 — Test terminal.
120*,121* TESM7-8 — Test terminal.
122 VSS3 — 3.3 V digital ground.
123,124 CFC1,2 Output VCO frequency control signal.
125 PPW Output Voltage output for phase comparator offset adjustment.
126 PESV — Signal input for phase comparator offset adjustment.
127 PVSS — 3.3 V PLL system ground.
128 PESP Output Signal output for phase comparator offset adjustment.
129 PDOP1 Output DVD/CD phase control signal. (positive polarity)
130 PDON1 Output DVD/CD phase control signal. (negative polarity)
131 PDOP2 Output DVD/CD phase control signal. (positive polarity)
132 PDON2 Output DVD/CD phase control signal. (negative polarity)
133 LPFN Input Inversion input for data PLL low-pass filter.
134 LPFO Output Data PLL low-pass filter output.
135 PVREF — Reference power supply for data PLL system.
136 VCOREF Input VCO standard reference.
137 VCOF Input VCO auto adjustment filter output.
138 PVDD Input Power supply for 3.3 V PLL system.
139 SLCO1 Input/Output Data slice 6-bit DAC output. (at differential input, RF On)
140* TESM9 — Test terminal.
141 TEST2 Input Test mode terminal.
142 RFCD Input CD RF signal input. (at differential input, RF On)
143 RFDVD Input CD RF signal input. (at differential input, RF On)
144 AVDD Input Power supply for 3.3 V analog system.
145* RFCT Input RFRP center voltage input. (zero cross import)
146 RFZI Input RFRP zero cross signal input.
147 TEZI Input Tracking error signal input. (zero cross import)
148 AWIN Input Signal input for active wide PLL control.
149 AVSS Input Power supply for 3.3 V analog system.
150 FEI Input Focus error signal input.
151 TEI Input Tracking error signal input.
152 RFSB Input Add input for RF level or sub beam signal.
IC3701 VHiTC94A03F-1: Servo ECC (TC94A03F) (2/3)
Pin No.
Function
Terminal Name
Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.