Sony DVP-FX700 Service Manual ▷ View online
7-4
Pin No.
Pin Name
I/O
Function
142
GPIO4
I
LINE IN/OUT selection input
143
GPIO3
I
LCD OPEN Switch input
144
GPIO2
I
Video Jack detection input
145
DVSS
–
Ground pin
146
GPIO1
I
Audio Jack detection input
147
GPIO0
I
Headphone Jack detection input
148
ABCK
O
Audio serial clock
149
ALRCK
O
Audio left/right channel clock
150
DVDD3
–
D+3.3v
151
ACLK
I
Audio DAC master clock
152
MC_DATA
I
nc
153
ASPDIF
O
SPDIF output
154
ASDAT0
O
Audio serial data0(left/right channel)
155
ASDATA1
I/O
nc
156
ASDATA2
I/O
nc
157
/A_MUTE
O
LINE, Headphone audio mute
158
VRST
O
DAC reset control
159
DACVDDC
–
D+3.3v
160
VREF
I
Bandgap reference voltage
161
FS
O
Full scale adjustment
162
YUV0/CIN
O
nc
163
DACVSSC
–
Ground pin
164
VIDEO_C
O
Analog chroma output
165
DACVDDB
–
D+3.3v
166
VIDEO_Y
O
Analog Y output
167
DACVSSB
–
Ground pin
168
CVBS
O
Analog composite output
169
DACVDDA
–
D+3.3v
170
YUV4/G
O
nc
171
DACVSSA
–
Ground pin
172
YUV5/B
O
nc
173
YUV6/R
O
nc
174
ICE
I
nc (MANUFACTURE mode select)
175
M_REC
O
Front maicro controller chip select
176
LCD_REQ
O
LCD, chip select
177
LCD_PAL_CON
O
LCD, PAL control
178
DVSS
–
Ground pin
179
AUDIO_CD_CON
O
Audio Multiplexer control
180
SPMCLK
I
nc
181
SPDATA
I
nc
182
DVDD2
–
D+2.5v
183
SPLRCK
I
nc
184
SPBCK
I
nc
185
DVDD3
–
D+3.3v
186
XTALO
O
Crystal output
187
XTALI
I
Crystal input
188
URST
I
Power on reset input, active high
7-5 E
Pin No.
Pin Name
I/O
Function
189
DVSS
–
Ground pin
190
VFO13
O
nc
191
IDGATE
O
nc
192
DVDD3
–
D+3.3v
193
UDGATE
O
nc
194
WOBSI
I
nc
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 pin
200
ADIN
I
nc
201
RESUBI
I
nc
202
TEZISLV
I
Tracking error zero crossing low pass input
203
TEO
I
Tracking error input
204
CSO
I
Central servo input
205
FEO
I
Focus error input
206
RFL
I
Sub beam add input or RFRP low pass input
207
RFRP
I
TF ripple detect input
208
RFRP_AC
I
RF ripple detect input(through AC coupling)
209
HTRC
I
High frequency RF ripple zero crossing
210
PWMVREF
I
A reference voltage input for PWM circuitry. A typical value of 4.0v
211
PWM2VREF
I
A reference voltage input for OWM circuitry. A typical value of 2.0v
212
ADCVDD3
–
A+3.3v
213
RFDTSLVP
O
nc
214
RFDTSLVN
O
nc
215
RFON
I
negative input of RF differential signal
216
RFOP
I
Positive input of RF differential signal
8-1
8-1-1. How to adjust LCD COLOR
1) Connect CON 803, power apply, and then check DC power(DC 9.8V).
(LCD panel is closed).
* Note that the adjustment cannot be made when the LCD panel open/close switch is turned on
2) VCO adjusting; Sync. Checking
* Check the pulse width is 63.5
µ
sec.
* VR801 adjust 5.00Vp-p
±
0.005v while viewing TP(VCOM)’s waveform.
4) Check the Waveform
Input RAMP signal. COLOR control slide: MIN (–)
view TP (G) waveform.
GND
(4.60V
±
0.10v)
5.00Vp-p
±
0.005v
(0.40V
±
0.10v)
4 to 4.5V
0.5V
GND
White
White
Black
Black
63.5uS
8-1. LCD ADJUSTMENT
3.2 to 3.5V
* Input COLOR BAR signal. (Sony NTSC DVD Test Disc 505, “1. Video Signal/1. Color Bar 100%”)
White, Cyan, Magenta, Blue Signal conformity.
3) VCOM(VR809); Flicker adjusting (+4.6V
±
0.1v//–0.4V
±
0.1v)
GND
(4.5V)
0.6V
Magenta
Blue
Cyan
White
view TP(B) waveform.
SECTION 8
ELECTRICAL ADJUSTMENT
DVP-FX700
8-2 E
VR801
VCO ADJ.
VR809
TP (B)
(CON805 16pin)
TP (G)
(CON805 17pin)
TP (VCOM)
(CON805 30pin)
FLICKER ADJ.
TFT-LCD BOARD (COMPONENT SIDE)
TFT-LCD BOARD (SOLDER SIDE)
Adjustment and Checking Location:
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