Sharp SD-AT100H Service Manual page 103

IC3701 VHiTC94A03F-1: Servo ECC (TC94A03F) (2/3)
Terminal Name Input/Output
Pin No.
77 TESM4
78 VDD3
79-82 BA0-4
83 VSS5
84-88 BA4-8
89 VDD3
90 /BOE
91 /BRAS
92 /BCAS
93 /BWL
94 /BWU
95 VDD5
96-104 BD0-8
105 VSS3
106-109 BD9-12
110 VSS5
111-113 BD13-15
114*,115* N.C.
116 VDD3
117 PLCK
118,119 TESM5-6
120*,121* TESM7-8
122 VSS3
123,124 CFC1,2
125 PPW
126 PESV
127 PVSS
128 PESP
129 PDOP1
130 PDON1
131 PDOP2
132 PDON2
133 LPFN
134 LPFO
135 PVREF
136 VCOREF
137 VCOF
138 PVDD
139 SLCO1
140* TESM9
141 TEST2
142 RFCD
143 RFDVD
144 AVDD
145* RFCT
146 RFZI
147 TEZI
148 AWIN
149 AVSS
150 FEI
151 TEI
152 RFSB
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
— Test terminal.
Input 3.3 V digital power supply.
Output External RAM address output.
— 5 V ground.
Output External RAM address output.
Input 3.3 V digital power supply.
Output External RAM/OE signal.
Output External RAM/RAS signal.
Output External RAM/CAS signal.
Output External RAM Lower/WE signal.
Output External RAM Upper/WE signal.
Input 5 V power supply.
Input/Output External RAM data input/output.
— 3.3 V digital ground.
Input/Output External RAM data input/output.
— 5 V ground.
Input/Output External RAM data input/output.
— —
Input 3.3 V digital power supply.
Input/Output PLL system clock input/output.
— Test terminal.
— Test terminal.
— 3.3 V digital ground.
Output VCO frequency control signal.
Output Voltage output for phase comparator offset adjustment.
— Signal input for phase comparator offset adjustment.
— 3.3 V PLL system ground.
Output Signal output for phase comparator offset adjustment.
Output DVD/CD phase control signal. (positive polarity)
Output DVD/CD phase control signal. (negative polarity)
Output DVD/CD phase control signal. (positive polarity)
Output DVD/CD phase control signal. (negative polarity)
Input Inversion input for data PLL low-pass filter.
Output Data PLL low-pass filter output.
— Reference power supply for data PLL system.
Input VCO standard reference.
Input VCO auto adjustment filter output.
Input Power supply for 3.3 V PLL system.
Input/Output Data slice 6-bit DAC output. (at differential input, RF On)
— Test terminal.
Input Test mode terminal.
Input CD RF signal input. (at differential input, RF On)
Input CD RF signal input. (at differential input, RF On)
Input Power supply for 3.3 V analog system.
Input RFRP center voltage input. (zero cross import)
Input RFRP zero cross signal input.
Input Tracking error signal input. (zero cross import)
Input Signal input for active wide PLL control.
Input Power supply for 3.3 V analog system.
Input Focus error signal input.
Input Tracking error signal input.
Input Add input for RF level or sub beam signal.
Function
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SD-AT100H