Read Sharp HT-M700H (serv.man9) Service Manual online
HT-M700H
8 – 3
U1A VHiES6698FD-1: Decoder (ES6698FD) (3/3)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Pin No.
Terminal Name
Input/Output
Function
149
VREF09
Output
0.9 V reference voltage.
150
VREF15
Output
1.5 V reference voltage.
151
IREF
Input
Servo data PLL interface reference current generator. Connect a resistor between this pin
and ground to set reference current.
and ground to set reference current.
152
AVDD3_DS
Input
Analog power supply for data slicer block.
153
IPIN
Input
Inverting input of data slicer.
154
RFIN
Input
Analog RF signal input after passing through equalizer (minus).
155
RFIP
Input
Analog RF signal input after passing through equalizer (plus).
156
DSSLV
Output
Data slicer level output.
157
AVSS_DS
–
Analog ground for data slicer block.
158
AVSS_PL
–
Analog ground for data PLL block.
159
PDOFTR1
Output
Servo data PLL phase detector filter pin number 1.
160
FDO
Output
Servo data PLL output node of frequency detector charge pump.
161
FTROPI
Input
Aervo data PLL input node of loop filter OP circuit.
162
AVDD3_PL
Input
Analog power supply for data PLL block.
163
PLLFTR1
Input
Servo data PLL loop filter pin number 1.
164
PLLFTR2
Input
Servo data PLL loop filter pin number 2.
165
VREF0
Output
Servo data PLL reference voltage output.
166
AWRC
Input/Output
Auto wide range control VCO signal from/to AWRC DAC.
167
AVSS_DA
–
Analog ground for DAC part.
168
RFRPCTR
Input/Output
Central level of RFRP.
169
TRAY
Output
Output voltage level for tray buffer IC.
170
AVDD3_DA
Input
Analog power supply for DAC part.
171
SPINDLE
Output
Outpur voltage level for spindle buffer IC.
172
FOCUS
Output
Outpur voltage level for focus buffer IC.
173*
SLEGP
Output
Outpur voltage level for Sledge buffer IC (plus).
174
SLEGN
Output
Outpur voltage level for Sledge buffer IC (minus).
175
TRACK
Output
Outpur voltage level for tracking buffer IC.
176
TESTDA
Output
Test DA output.
177*
FGIN
Input
Spindle hall sensor input.
178*
PHOI
Input
Sledge photo interrupt signal input.
179
SCSJ
Output
Chip selection signal to RF chip (serial data enable).
180
SDATA
Input/Output
Data signal from/to RF chip.
181
SCLK
Output
Serial clock source to RF chip.
182
DFCT
Input
Defect flaginput signal.
183
LDC
Output
Laser diode on/off control output.
184
SPDON
Output
Spindle power driver on/off control output.
185
VD33
Input
I/O power supply.
186
VS33
–
Ground for I/O power supply.
187-192
GPIO9-GPIO4
Input/Output
General-purpose input/output used for servo control; (5 V tolarant input).
193-196
EAUX3-EAUX0
Input/Output
Extended auxiliary ports; (5 V tolarant input).
197
VSS
–
Ground for core power supply.
198
VDD
Input
Core power supply.
199
I
2
CDATA
Input/Output
I
2
C data I/O; (5 V tolarant input).
AUX0
Input/Output
Auxiliary port (open collector); (5 V tolarant input).
200
I
2
C_CLK
Input/Output
I
2
C clock I/O; (5 V tolarant input).
AUX1
Input/Output
Auxiliary port (open collector); (5 V tolarant input).
201
IOW#
Output
I/O Write strobe (LCS1) (active-low).
HSYNC#
Input/Output
Horizontal sync (active-low); (5 V tolarant input).
AUX2
Input/Output
Auxiliary port (open collector); (5 V tolarant input).
202
IOR#
Output
I/O Read strobe (LCS1) (active-low).
VSYNC#
Input/Output
Vertical sync (active-low); (5 V tolarant input).
AUX3
Input/Output
Auxiliary port (open collector); (5 V tolarant input).
203
C2PO
Input
Error correction flag from CD; (5 V tolarant input).
AUX4
Input/Output
Auxiliary port (open collector); (5 V tolarant input).
204, 205
AUX5, AUX6
Input/Output
Auxiliary ports (open collector); (5 V tolarant input).
206
IR
Input
Infrared remote control input; (5 V tolarant input).
AUX7
Input/Output
Auxiliary port (open collector); (5 V tolarant input).
207
RESET#
Input
Reset input (active-low); (5 V tolarant input).
208
VS33
–
Ground for I/O power supply.
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