JVC RX-DP10VBK Service Manual page 37

MN35505 (IC634, IC639, IC644, IC649) : D/A converter
1.Pin layout
28
M5 1 M6
27
DIN 2 M4
26
LRCK 3 M8
25
4 M7
BCK
5 24 DVDD1
M3
23
DVDD2 6 VCOF
22
CKO 7 XIN
21
DVSS2 8 XOUT
20
M2 9 DVSS1
19
10 M9
M1
11 18 OUT2C
OUT1 C
17
AVDD1 12 AVDD2
16
OUT1D 13 OUT2D
15
AVSS1 14 AVSS2
3.Pin function
Pin
Symbol I/O
No.
1 M5 Connected to VDD
I
2 DIN Data input
I
3 LRCK L/R clock input
I
4 BCK I Bit clock input
5 M3 I Connected to ground
6 DVDD2 - Digital power supply2
7 CKO NC
I
8 DVSS2 Digital ground 2
-
9 M2 Connected to ground
I
10 M1 Connected to ground
I
11 OUT1C O 1C PEM output
12 AVDD1 - Analog power supply 1
13 OUT1D O 1d PEM output
14 AVSS1 - Analog ground 1
2.Block diagram
DIN
2
LRCK
3
BCK
4
9
M1
M2 20
M3
25
MA
1
MB
5
MC
26
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 ground 2
-
OUT2D
2D PEM output
O
AVDD2
Analog power supply 2
-
OUT2C
2C PEM output
O
M9
NC
I
DVSS1
Digital ground 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
Connected to VDD
I
RX-DP10VBK/RX-DP10VSL
RX-DP10RSL
28 PDO
23 XIN
OSC
BLOCK XOUT
22
CKO
7
19 OUT2C
PEM
BLOCK
OUT2D
16
Function
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