Yamaha DVD-S520 Service Manual page 31

Kar_bypass
Center_on
Karaoke
SPDIF out
Hor. Sync
I2S data1 out
I2S data2 out
I2C clock / I2C data
TXD / RXD / RTS / CTS
Service activation
Vreserved
1.3 Performance:
1.3.1 Digital output
CDDA/LPCM
MPEG1 is converted to LPCM
MPEG2, AC3 audio.MP3
DTS.
: Bypasses the
karaoke chip on the
A/V board.
: Bypass activeH
: Bypass offL
: Switches the center
audio to the scart
output.
: Center to scarth
: L/R to scartl
: I2S inputh / l
: PCMCLK outputh / l
: Digital audio output
levelH / L
: Video Horizontal
synchronisation
Levelh / l
: I2S surround data
output.
: Level: h / l.
: I2S center/sub data
output.
: Level h / l.
: I2C databus
: Level: h / l
: Service UART to be
connected direct to
PC serial input.
: Output levelsH / L
: Input levelsRS232
compliant
: Signal openNormal
module start-up
: Signal tied to GND
Module start-up in
service mode.
: Is now configured
for +6V stby & is
only an inter-
connection via the
monoboard and not
used by any IC's on
the
module.However,th
ere's an on board
47uF/16V elco and
a 100nF/16V X7R
connected to this
pin.
: according
IEC60958
:
: according IEC1937
: according
IEC61937
amendment 1.
: Digital output level
is 0V / 5V with GND
as reference. To
meet the standards
a decouple circuit is
necessary.
1.3.2 I2S output
Accuracy
Sample rate
Standard
Number of I2S outputs
Deemphasis
Audio source streams
Audio processing
1.3.3 Analog output
The module has no analog audio
ouput.
1.3.4 Video.
Standards
Outputs
Specification.
DVD-S520/DV-S5450
: Up to 24bit.
: 44.1kHz / 48kHz /
96KHz
: Philips I2S output
: 3 (6 channel: Front /
Surround / Center-
Bass)
: Already processed
in module.
: CDDA / MPEG1 /
LPCM / MPEG2 /
AC3
: No DTS decoding.
: Dolby Pro Logic
(multichannel
downmix on front
output)
: 3D sound.
: The analog audio
specification will be
determined by the
external DAC
circuit.
: The video output
standard will follow
the source material.
: The OSD standard
is switchable
between PAL or
NTSC.
: The module has 6
analog outputs
(4formats): Y/C ;
CVBS ; RGB / YUV
: The output
complies fully
according PQR3
IMS except
: Output load>1k( to
GND / Cap. load
<47pF.
: Level0.5Vpp with
100% white
: Sync level300mV
(PAL ), 286mV
(NTSC ) from
blanking level
: Some specification
points are
significantly better
then PQR3
: SNR on all video
outputs is better
then 60dB.
: Video bandwidth
>5MHz (±3dB)
30