Sony DVP-M35 / DVP-S300 / DVP-S305 / DVP-S315 / DVP-S500D / DVP-S505D / DVP-S715 Service Manual ▷ View online
– 76 –
Pin No.
Signal Name
RD/WR,SHIF
Function
111
(DIAGN)
H/W, IN
112
(CTS)
H/W, OUT
113
SCKG2, (IRQ5)
H/W, IN/OUT
SH serial channel 1 SCLK (GROUP2) or IRQ5
output
114
AVCK
H/W, OUT
AV Enc CXD1914 serial clock
115
CK27M
H/W, IN
AV CK Resync 27Mclock
116
GAIN6n
I/O, RD/WR
AUDIO output gain switching signal 4 (AC-3)
channel L, R (or spare port)
117
D2LTn
I/O, RD/WR
2 Channel DAC Latch
118
PDCLK
HW/IN
13.5 M CLOCK input
119
120
VDD
VDD
121
GND
GND
122
GND
GND
123
RESETn
H/W, IN
System reset
124
CTS
I/O, RD/WR
Host status notification. Ready when “L”
125
DIAGN
I/O, RD/WR
Presence/absence of connector of diagnostic
connector. Connected when “L”.
126
TEB
Memory test setting. Normally pull up.
127
HSYNC
HW/IN
HSYNC input
128
SCKG2PS
H/W, OUT
Serial Group 2 sync clock (P/S) 1 MHz
129
SOG2PS
H/W, OUT
Serial Group2 T
×
D
130
DCÅ|3D
I/O, RD/WR
DCS control
131
TON
I/O, RD/WR
Test tone
132
XIFBSY
I/O, RD
I/F CON BUSY Status
133
XSHINT
I/O, RD/WR
Communication request to I/F CON. Request for
interrupt when “L”
134
SCKG4
Serial I/F, OUT
Serial Group 4 Clock
135
SOG4
Serial I/F, OUT
Serial group 4 output data
136
DDLT1n
I/O, RD/WR
DAC PCM1716 data latch-1 (L/R) Grp4
137
DDLT2n
I/O, RD/WR
DAC PCM1716 data latch-2 (SL/SR) Grp4
138
DDLT3n
I/O, RD/WR
DAC PCM1716 data latch-3 (C/SW) Grp4
139
DLTn
I/O, RD/WR
DIR LC89051V data latch Grp4
140
OHSYNC
H/W, OUT
Advance HSYNC output
141
TOFC1
I/O, RD/WR
Tracking Offset Control 1
142
TOFC2
I/O, RD/WR
Tracking Offset Control 2
143
SCKG4n
Serial I/F, OUT
DIR LC89051V serial clock
144
KADTSEL
I/O, RD/WR
Selects whether to use the Karaoke DSP
CXD2721Q. When used=H (KD_SEL)
145
KRDY
I/O, RD
Selects whether to enable or disable Karaoke DSP
CXD2721Q transmission.
When transmission is enabled=H
– 77 –
Pin No.
Signal Name
RD/WR,SHIF
Function
146
CLAPBSY
I/O, RD
When the clap IC MSM6654 is generating sounds,
outputs the “H” level. When the power is turned
ON.
147
OTASUKE
I/O, RD
Active “L” level when the help IC NJM2072M is
needed.
148
DVD/VTR
I/O, RD/WR
Video control. Selects the video signal external
input. Selects the external input when “H” is output.
149
AVCNT
I/O, RD/WR
Video control. AV control signal. EURO AV ON
when “H” is output.
150
EÅ|V/Y
I/O, RD/WR
Video control. Composite, YC selection. YC is
selected when “L” is output.
151
EÅ|V/RGB
I/O, RD/WR
Video control. Composite, RGB selection. RGB is
selected when “L” is output.
152
VS1
I/O, RD/WR
Video control. S pin control signal.
153
FS
I/O, RD/WR
Frequency setting:L=44.1 kHz, H=48 kHz
154
EXCLOCK
I/O, RD/WR
External frequency lock detection:L=Locked.
H=Not locked.
155
BST
I/O, RD/WR
Boost strap (when boosting the farm)
Set to the “H” level.
156
CLAPSW1
I/O, RD/WR
Phrase input corresponding to the sound generated
by the clap IC MSM6654. (Required)
157
CLAPSW0
I/O, RD/WR
Phrase input corresponding to the sound generated
by the clap IC MSM6654. (Required)
158
DOUTCTL
I/O, RD/WR
Digital out ON/OFF (“H”:ON, “L”:OFF)
(DO-CTL)
159
GND
GND
160
GND
GND
– 78 –
A Signals 7
384fs
Control Signals
A Signals 5
AV
_
Dec
Karaoke
768fs
DETON
DIR
LGA
AC
–
3
6Ch DAC
2Ch DAC
DCS
KDSEL
DVD
Level Conversion
3.3–>5
DATA
BCK
LRCLK
LRCK3
BCK3
DATA4
LRCK6
BCK6
DATA6
Control Signals
DATF8
BCK8
LRCK8
DATR8
DATC8
DATC9
DATR9
LRCK9
BCK9
DATF9
LRCK2
BCK2
DATA2
DATA Shift (16 / 24)
(CD / DVD)
LRCLK
TimigMatch For AC
_
3
(4advance)
LRCLK
TimigMatch
For Karaoke
(8delay)
384fs
Generation
LRCK TimingMatch
From DIR to AC
_
3
Level Conversion
5–>3.3
Level Conversion
3.3–>5
TEST Tone
Generation
SW
Resync
AUDIO Data Selector
A signals = LRCK, BCK, D
A
T
A
4-6. Middle Gate Array CXD8746 (IC101 on MB-78 board)
4-6-1.
Block Diagram
– 79 –
4-6-2. Pin Functions
Pin No. Signal Name
I/O
Level
From/For
Function
1
ARSTI
IN
5V
2
XLOCKI
IN
5V
3
DVD
IN
5V
4
SCK21
IN
5V
LGA
AC3 serial communication
5
SO21
IN
5V
LGA
AC3 serial communication
6
ACSI
IN
5V
LGA
AC3 serial communication
7
BSTI
IN
5V
LGA
8
9
FS768
IN
5V
768fs
10
11
MCK27
IN
5V
27M clock
12
13
TON
IN
5V
Test tone on/off
14
DC3D
IN
5V
2ch DAC data switching
15
DATA2
OUT
5V
2Ch DAC
Audio signal to 2ch DAC
16
LRCK2
OUT
5V
2Ch DAC
Audio signal to 2ch DAC
17
BCK2
OUT
5V
2Ch DAC
Audio signal to 2ch DAC
18
19
BCK9
OUT
5V
6Ch DAC
Audio signal to 6ch DAC
20
LRCK9
OUT
5V
6Ch DAC
Audio signal to 6ch DAC
21
DATF9
OUT
5V
6Ch DAC
Audio signal to 6ch DAC
22
DATR9
OUT
5V
6Ch DAC
Audio signal to 6ch DAC
23
DATC9
OUT
5V
6Ch DAC
Audio signal to 6ch DAC
24
25
BSTO
OUT
3.3V
AC-3
26
ACSO
OUT
3.3V
AC-3
AC_3 serial communication
27
SO20
OUT
3.3V
AC-3
AC_3 serial communication
28
SCK20
OUT
3.3V
AC-3
AC_3 serial communication
29
DETON
IN
3.3V
30
XLOCKO
OUT
3.3V
AC-3
31
ARSTO
OUT
3.3V
AC-3
AC_3 reset signal
32
33
DATC8
IN
3.3V
AC-3
Audio (C/S) signal from AC_3
34
DATR8
IN
3.3V
AC-3
Audio (RL/RR) signal from AC_3
35
DATF8
IN
3.3V
AC-3
Audio (FR/FL) signal from AC_3
36
BCK8
IN
3.3V
AC-3
Audio signal from AC_3
37
LRCK8
IN
3.3V
AC-3
Audio signal from AC_3
38
39
DATA7
OUT
3.3V
AC-3
Audio signal (DIR) to AC_3
40
BCK7
OUT
3.3V
AC-3
Audio signal (DIR) to AC_3
41
LRCK7
OUT
3.3V
AC-3
Audio signal (DIR) to AC_3
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