Read Sony DAV-DZ550 / HCD-DZ550 Service Manual online
62
HCD-DZ550
Pin No.
Pin Name
I/O
Description
219
ASDATA2
O
Auio serial data
220
XRST
—
Not Used
221
DVDD18
—
Power Supply (+1.8V)
222
ASDATA4
O
Auio serial data (not used)
223
DVSS
—
Terminal Ground
224
DWIDE
—
Not Used
225
SDPIF
—
SPDIF output (not used)
226
RFGND18
—
Terminal Ground
227
RFVDD18
—
Power Supply (+1.8V)
228
ZTALO
O
Oscillator output signal
229
ZTALI
I
Oscillator input signal
230
JITFO
O
RF jitter meter output
231
JITFN
I
Negative input of operation amplifier for RF jigger meter
232
PLLVSS
—
Terminal Ground
233
IDAC
—
Not Used
234
PLLVDD3
—
Power Supply (+3.3V)
235
LPFON
O
Negative output of loop filter amplifier
236
LPFIP
I
Positive input of loop filter amplifier
237
LPFIN
I
Negative input of loop filter amplifier
238
LPFOP
O
Positive output of loop filter amplifier
239
VDD3
I
Power Supply (+3.3V)
240
VCM
I
SACD-Common mode Reference
241
VSS
—
Terminal Ground
242
VREEP
I
SACD-TOP Reference
243
VREEN
I
SACD-Bottom Reference
244
RFVDD3
—
Power Supply (+3.3V)
245
RFRPDC
I
RFRP signal input
246
RFRPAC
I
RFRP signal input
247
HRFZC
I
High frequency RF ripple zero crossing
248
CRTPLP
O
Defect level filter capacitor connecting
249
RFGND
—
Terminal Ground
250
CEQP
O
EQ offset loop capacitance (not used)
251
CEQN
O
EQ offset loop capacitance (not used)
252
OSP
O
RF offset cancellation capacitor connecting
253
OSN
I
RF offset cancellation capacitor connecting
254
RFGC
O
RF offset loop capacitor connecting for DVD-ROM
255
IREF
I
Current reference input
256
AVDD3
—
Power Supply (+3.3V)
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