Sony DVP-FX820 / DVP-FX825 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
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)
198
RVREF/GPIO_6
I/O
ADAC MD
199
RCLKB/GPIO_5
(-)
N.C.
200
GPIO_4
I/O
ADAC MC
201
GPIO_3
I/O
ADAC ML
202
ASDATA1/GPO_1
I/O
Audio serial data 1 (Left-Surround/Right-Surround)
203
ASDATA2/GPO_0
(-)
N.C.
204
SPMCLK
I/O
Audio DAC master clock of SPDIF input
205
SPDATA
(-)
N.C.
206
SPLRCK
(-)
N.C.
207
SPBCK
(-)
N.C.
208
DVDD3
-
3.3V power pin for internal digital circuitry
209
ALRCK
I/O
Audio left/right channel clock
210
ABCK
O
Audio bit clock
211
ACLK
O
Audio DAC master clock
212
ASDATA3
(-)
N.C.
213
DVDD18
-
1.8V power pin for internal digital circuitry
214
ASDATA4
(-)
N.C.
215
MC_DATA
(-)
N.C.
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)
(-)
N.C.
223
ARS/SDATA3
(-)
N.C.
224
AR/SDATA1
(-)
N.C.
225
AVCM
O
AUDIO DAC reference voltage
226
AL/SDATA2
(-)
N.C.
227
ALS/SDATA0
(-)
N.C.
228
ALF/ (CTR)
(-)
N.C.
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
27MHz crystal output
234
XTALI
I
27MHz crystal input
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
238
IDACEXLP
O
Data PLL DAC low-pass filter
239
PLLVDD3
-
Power pin for data PLL and related analog circuitry
240
LPFON
O
The negative output of loop filter amplifier
7-6
Pin
Name
I/O
Description
number
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
-
Ground pin
252
OSP
O
RF offset cancellation capacitor connecting
253
OSN
O
RF offset cancellation capacitor connecting
254
RFGC
O
RF AGC loop capacitor connecting
255
IREF
I
Current reference input. It generates reference current for data PLL.
256
AVDD3
-
Analog power 3.3V
7-7
7-2. FRONT MICOM PIN FUNCTION (MAIN BOARD U6: 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
AV IN OUT CTRL
10
PC4/MOSI
O
MUTE
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
CHARGE STATUS DET
20
DBG
I
DBG
21
AVdd
-
3.3V
22
AVss
-
Ground pin
23
VREF
-
3.3V
24
PB4/ANA4
O
CB CHARGE EN
25
PB3/ANA3
I
BTL SE SW
26
PB2/ANA2
(-)
N.C.
27
PB1/ANA1
I
AER DTC
28
PB0/ANA0
I
BATTERY IN
7-8E
MEMO
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