Sony DVP-FX720 Service Manual ▷ View online
7-5
Pin
Name
I/O
Description
number
193
YUV0/CIN
O
Video data output bit 0 Compensation capacitor
194
FS
O
Full scale adjustment
195
VREF
O
Bandgap reference voltage
196
DACVDDC
-
3.3V power pin for VIDEO DAC circuitry
197
ASDATA0/GPO_2
I/O
Audio serial data 0 (Front-Left/Front-Right) DSD data left channel Trap value in power-
on reset
198
RVREF/GPIO_6
I/O
GPIO
199
RCLKB/GPIO_5
I/O
GPIO
200
GPIO_4
I/O
GPIO
201
GPIO_3
I/O
GPIO
202
ASDATA1/GPO_1
I/O
TP155
203
ASDATA2/GPO_2
I/O
TP152
204
SPMCLK
I/O
KEYSCAN C6
205
SPDATA
I/O
KEYSCAN C7
206
SPLRCK
I/O
ADAC MC
207
SPBCK
I/O
TP165
208
DVDD3
-
3.3V power pin for internal
209
ALRCK
I/O
Audio left/right channel clock Trap value in power-on reset: I) 1 : use external 373 II)
0: use internal 373
210
ABCK
O
Audio bit clock Phase de-modulation
211
ACLK
O
Audio DAC master clock
212
ASDATA3
I/O
TP152
213
DVDD18
-
1.8V power pin for internal
214
ASDATA4
I/O
TP151
215
MC_DATA
I/O
Inout PD SMT
216
SPDIF
O
SPDIF output
217
APLLVDD3
-
3.3V Power pin for audio clock circuitry
218
APLLCAP
O
APLL External
219
APLLVSS
-
Ground pin for audio clock circuitry
220
ADACVSS2
-
Ground pin for AUDIO DAC circuitry
221
ADACVSS1
-
Ground pin for AUDIO DAC circuitry
222
ARF (SW)
O
AUDIO DAC Sub-woofer channel output While internal AUDIO DAC not used: GPIO
223
ARS/SDATA3
O
TP149
224
AR/SDATA1
O
AUDIO DAC Right channel output While internal AUDIO DAC not used: a. SDATA1
225
AVCM
O
AUDIO DAC reference voltage
226
AL/SDATA2
O
AUDIO DAC Left Surround channel output While internal AUDIO DAC not used:
a. SDATA2
227
ALS/SDATA 0
O
TP148
228
ALF/(CTR)
O
TP147
229
ADACVDD1
-
3.3V power pin for AUDIO DAC circuitry
230
ADACVDD2
-
3.3V power pin for AUDIO DAC circuitry
231
RFGND18
-
Analog ground
232
RFVDD18
-
Analog power 1.8V
233
XTALO
O
27M crystal out
234
XTALI
I
27M crystal in
235
JITFO
O
The output terminal of RF jitter meter.
236
JITFN
I
The input terminal of RF jitter meter.
237
PLLVSS
-
Ground pin for data PLL and related analog circuitry.
7-6
Pin
Name
I/O
Description
number
239
PLLVDD3
-
3.3V power pin for data PLL and related analog circuitry.
240
LPFON
O
The negative output of loop filter amplifier
241
LPFIP
I
The positive input terminal of loop filter amplifier.
242
LPFIN
I
The negative input terminal of loop filter amplifier.
243
LPFOP
O
The positive output of loop filter amplifier
244
ADCVDD3
-
Analog 3.3V Power for ADC
245
ADCVSS
-
Analog ground for ADC
246
RFVDD3
-
Analog Power
247
RFRPDC
O
RF ripple detect output
248
RFRPAC
I
RF ripple detect input(through AC-coupling)
249
HRFZC
I
High frequency RF ripple zero crossing
250
CRTPLP
O
Defect level filter capacitor connecting
251
RFGND
-
Analog Power
252
OSP
O
RF Offset cancellation capacitor connecting
253
OSN
O
RF Offset cancellation capacitor connecting
254
RFGC
O
RF AGC loop capacitor connecting for DVD-ROM
255
IREF
I
RF path. Connect an external 15K resistor to this pin and
256
AVDD3
-
Analog power 3.3V
7-7
7-2. FRONT MICOM PIN FUNCTION (MAIN BOARD U2: Z8F0822)
Pin
Name
I/O
Description
number
1
PC0/T1IN
O
SYSTEM POWER EN
2
PA6/SCL
I
POWER KEY
3
PA7/SDA
I
HOLD
4
/RESET
I
MCU RESET
5
Vss
-
Ground pin
6
XIN
I
MCU XIN
7
XOUT
O
MCU XOUT
8
Vdd
-
3.3V
9
PC5/MISO
O
MUTE
10
PC4/MOSI
I
Battery detect
11
PC3/SCK
I
AV IN SW
12
PC2/SS
O
CHARGE EN
13
PA0/T0IN
I
ADAPTER_DET
14
PA1/T0OUT
O
VOL_PWM
15
PA2/DE0
I
LED2 (CHARGE)
16
PA3/CTS0
I
IR_IN
17
PA4/RXD0
I/O
TXD
18
PA5/TXD0
I/O
RXD
19
PC1/T1OUT
O
SE
20
DBG
I
DBG
21
AVdd
-
3.3V
22
AVss
-
Ground pin
23
VREF
-
3.3V
24
PB4/ANA4
O
cb charge enable
25
PB3/ANA3
O
S MUTE
26
PB2/ANA2
I
AUDIO_DTC
27
PB1/ANA1
I
LED1 (POWER)
28
PB0/ANA0
I
Battery IN
7-8E
MEMO
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