Read Sony DVP-LS755P Service Manual online
5-4 E
Pin No.
Pin Name
I/O
Function
183
SPLRCK
I
Audio left/right channel clock of SPDIF input (Not used)
184
SPBCK
I
Audio bit clock of SPDIF input (Not used)
185
DVDD3
—
Power supply (+3.3V)
186
XTALO
O
System clock output (27 MHz)
187
XTALI
I
System clock input (27MHz)
188
PRST
I
System reset signal input. “H”: reset
189
DVSS
—
Ground
190
VFO13
O
The 1st, 3rd header VFO pulse output (Not used)
191
IDGATE
O
Header detect signal output (Not used)
192
DVDD3
—
Power supply (+3.3V)
193
UDGATE
O
DVD-RAM recording data gate signal output (Not used)
194
WOBSI
I
Wobble signal input (Not used)
195
SDATA
O
RF serial data output
196
SDEN
O
RF serial data latch enable
197
SLCK
O
RF serial clock output
198
BDO
I
Flag of defect data input status
199
ADCVSS
—
Ground
200
ADIN
I
General A/D input
201
RFSUBI
I
RF subtraction signal input terminal (Not used)
202
TEZISLV
I
Tracking error zero crossing low pass input
203
TEI
I
Tracking error input
204
CSO
I
Central servo input
205
FEI
I
Focus error input
206
RFLEVEL
I
Sub beam add input or RFRP low pass input
207
RFRP_DC
I
RF ripple detect input
208
RFRP_AC
I
RF ripple detect input (through AC coupling)
209
HRFZC
I
High frequency RF ripple zero crossing
210
PWMVREF
I
A reference voltage input for PWM circuitry
211
PWM2VREF
I
A reference voltage input for PWM circuitry
212
ADCVDD3
—
Power supply (+3.3V)
213
RFDTSLVP
O
Positive RF data slicer level output (Not used)
214
RFDTSLVN
O
Negative RF data slicer level output (Not used)
215
RFIN
I
Negative input of RF differential signal
216
RFIP
I
Positive input of RF differential signal
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