Read Sharp SD-SH111 (serv.man21) Service Manual online
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SD-SH111
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.
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