JVC UX-A10DVD Service Manual page 75

MN35505-X (IC202) : D/A Converter
1.Pin layout
M5 1
2
DIN
3
LRCK
BCK 4
M3 5
DVDD2 6
CKO 7
8
DVSS2
9
M2
M1 10
OUT1 C 11
AVDD1 12
OUT1D 13
14
AVSS1
3.Pin function
Pin
Symbol I/O
No.
1 M5 I Connects with VDD
2 DIN I Data input
3 LRCK L/RClock input
I
4 BCK Bit clock input
I
5 M3 Connects with playground
I
6 DVDD2 Digital power supply 2
-
7 CKO I NC
8 DVSS2 - Digital ground 2
9 M2 I Connects with playground
10 M1 Connects with playground
I
11 OUT1C 1C PEM output
O
12 AVDD1 Analog power supply 1
-
13 OUT1D 1d PEM output
O
14 AVSS1 Analog playground 1
-
1.Block diagram
28
M6
DIN
2
27
M4
26 M8
LRCK
3
25
M7
24
DVDD1
BCK
4
23
VCOF
22
XIN
9
M1
21
XOUT
20 DVSS1 M2 20
19
M9
M3
25
18
OUT2C
MA
1
17
AVDD2
MB
5
16
OUT2D
MC
15
AVSS2
26
RDO
MD 27
OUT1C 10
OUT1D 13
Pin
Function
No.
15
16
17
18
19
20
21
22
23
24
25
26
27
28
DF BLOCK
DE-EMPHASIS
IF
IIR FILTER BLOCK
BLOCK
8fs OVER SAMPLING
DIGITAL FILTER
MODE
CONTROL
BLOCK
1ST ORDER NOISE
SHAPER BLOCK
VANS NOISE
SHAPER BLOCK
PEM
BLOCK
D/A BLOCK
Symbol I/O
AVSS2
Analog playground 2
-
OUT2D 2D PEM output
O
AVDD2 Analog power supply 2
-
OUT2C 2C PEM output
O
M9 NC
I
DVSS1
Digital grand pin 1
-
XOUT
Crystal oscillator output
O
XIN
Crystal oscillator input
I
VCOF
VCO Filter
I
DVDD1 Digital power supply 1
-
M7 System clock rate selection
I
M8 System clock rate selection
I
M4 Reset signal
I
M6
Connects with VDD
I
UX-A10DVD
28
23 XIN
OSC
BLOCK XOUT
22
CKO
7
OUT2C
19
PEM
BLOCK
16 OUT2D
Function
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