Sanyo ICR-B100 Service Manual page 11

IC BLOCK DIAGRAM
IC414 TC7W74FU (D-type Flip Flop with Preset and Clear)
CK
1
D 2
Q
3
GND
4
IC503 AK4518VF (Regulater 16bit A/D, D/A Converter)
VA AGND VB
24 22 23
AINL 6
Modulator
VCML
5
AINR
3
Modulator
VCMR
4
VRAD 2
VRDA
1
21 Common Voltage
VCOM
LPF
AOUTL 19
Modulator
AOUTR 20 LPF
Modulator
8
7
PWAD PWDA
IC509 BU4052 (Analog Multiplexers/Demultiplexers)
12
0X
IN OUT
C
14
1X
OUT
IN
C
15
2X
IN OUT
C
11
3X OUT
IN
C
1
0Y
IN OUT
C
5
1Y
IN OUT
C
2
2Y
OUT
IN
C
4
3Y
IN OUT
C
VCC
8
7 PR
CLR
6
Q
5
VD DGND
14 13
Decimation Clock
Filter Divider
Decimation
Filter
Serial I/O
Interface
8x
Interpolator
8x
Interpolator
18 17
DEM0 DEM1
VDD
16
7
VEE
Truth Value
INPUTS
CLR PR
L H
H L
L L
H H
H H
H H
No. Pin name I/O
1 VRDA I
2 VRAD I
3 AINR I
4 VCMR O
9 MCLK
5 VCML O
16 CMODE
6 AINL I
10 LRCK
7 PWAD I
11 SCLK
8 PWDA I
9 MCLK I
12 SDTO
SDTI
15
10 LRCK I
11 SCLK I
12 SDTO O
13 DGND ---
14 VD ---
15 SDTI I
16 CMODE I
17 DEM1 I
18 DEM0 I
19 AOUTL O
20 AOUTR O
21 VCOM O
22 AGND ---
23 VB ---
24 VA ---
13
X-COMMON
10
A
INHIBIT
9
B
6
INH
3
Y-COMMON
8
VSS
- 10 -
OUTPUTS
D CK Q Q
X X L H
X X H L
X X H H
L L H
H H L
X Qn Qn
Function
Voltage Reference Input Pin for DAC,VA
Voltage Reference Input Pin for ADC,VA
R-ch Analog Input Pin
R-ch Common Voltage Output Pin 0.45 x VA
L-ch Common Voltage Output Pin 0.45 x VA
L-ch Analog Input Pin
ADC Power Down Mode Pin "L" : Power down
DAC Power Down Mode Pin "L" : Power down
Master Clock Input Pin
Input/Output Channel Clock Pin
Audio Serial Data Clock Pin
Audio Serial Data Output Pin
Digital Ground Pin
Digital Power Supply Pin
Audio Serial Data Input Pin
Master Clock Select Pin "H" :384fs or 512fs, "L" : 256fs
De-emphasis Frequency Select Pin
De-emphasis Frequency Select Pin
L-ch Analog Output Pin
R-ch Analog Output Pin
Common Voltage Output Pin, 0.45 x VA
Analog Ground Pin
Substrate Pin
Analog Power Supply Pin
Truth Value
A B
L L L
L H L
L L H
L H H
H X X
FUNCTION
CLEAR
PRESET
-----
-----
-----
NO CHANGE
ON SWITCH
X0 Y0
X1 Y1
X2 Y2
X3 Y3
NONE