DV-5700/DVF-R9050/R9050-S
20
CIRCUIT DESCRIPTION
DVF-R9050
Audio Output Block Diagram
* SCART terminals (AV1,2) are available for European model only.
IC212
IC204
SW1 A
DMIX
2ch
L.P.F.
DAC
60k
MUTE
MIX
AOUT0
IC901
B
DRIVE
L2CH
X35
IC205
H : 60k L : 110k
-229
L.P.F.
AOUT1
IC902
MUTE
FL. FR
DRIVE
6ch
60k/110k
L.P.F.
L.P.F.
DAC
60k
100kHz
MUTE
SL. SR
IC801
SW2
L.P.F.
L.P.F. SW
60k
MUTE
C. SW
H2CH
MUTE
AV1
CONTROL
L : Buss Management
AV2
X25-646
H : Through
E TYPE ONLY
Media
Media
SW1
DVD-Audio(fs : 192kHz, 176.4kHz)
DVD-Audio(fs : 192kHz, 176.4kHz)
B
60kHz
All
VCD, CD-DA
Others
A
KEY 0 (Pin2 )
KEY 1 (Pin3 )
KEY 2 (Pin4 )
OP/CL
PLAY
SKIP
DISC 1
STOP
AOP
DISC 2
SKIP DOWN
DISC 3
SKIP UP
DISC 4
PAUSE
DISC 5
11. Key Matrix
The number inside ( ) is pin number of main u-com (X25, IC1).
Port No.
Port Name
I/O
Function
38
SCKI
I
System clock input. Input frequency is 128, 192, 256, 384, 512 or 768fs.
39
SCKO
O
Buffered clock output. (Unused)
40
BCK
I
Shift clock input for serial audio data.
41
LRCK
I
Left and right clock input. This clock is equal to the sampling rate, fs.
42
TEST
-
Test pin.
43
VDD
-
Digital power supply (+3.3V).
44
DGND
-
Digital ground for +3.3V.
45
DATA1
I
Serial audio data input for Vout1 and Vout2.
46
DATA 2
I
Serial audio data input for Vout3 and Vout4.
47
DATA 3
I
Serial audio data input for Vout5 and Vout6.
48
ZEROA
O
Zero data flag. Logical "AND" of ZERO1 through ZERO6.
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299