Yamaha DG60FX-112, Service Manual

Page: 18 / 49

DG60FX-112
18
IC BLOCK DIAGRAM
PIN
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
I/O
I
I
I
I
I
I
-
-
I
I
I
I
I
O
VREFH
VREFL
AINR+
AINR-
AINL+
AINL-
VA
AGND
DIF0
DIF1
LRCK
SCLK
SDTI
SDTO
NAME
Positive Voltage Reference Input, VA
Negative Voltage Reference Input, AGND
Rch Analog Positive Input
Rch analog Negative Input
Lch Analog Positive Input
Lch analog Negative Input
Analog Power Supply
Analog Ground
Audio Data Interface Format
Audio Data Interface Format
Input/Output Channel Clock
Audio Serial Data Clock
Audio Serial Data Input
Audio Serial Data Output
FUNCTION
PIN
NO.
15
16
17
18
19
20
21
22
23
24
25
26
27
28
I/O
I
I
I
I/O
I/O
I
-
-
I
I
I
O
O
O
MCLK
DEM0
DEM1
TST3
TST2
TST1
VD
DGND
/PWDA
/PWAD
CMODE
AOUTL
AOUTR
VCOM
NAME
Master Clock Input
De-emphasis Frequency Select
De-emphasis Frequency Select
Test Pins (Pull Down Pins)
Digital Power Supply
Digital Ground
DAC power-Down Mode
ADC power-Down Mode
Master Clock Select (“H”:384 fs,“L”:256 fs)
Lch Analog Output
Rch Analog Output
Common Voltage Output, VA/2
FUNCTION
AK4520A-VF-E2 (XT802A00) DAC & ADC
DM: IC104
1 1A
2
3
4
5
6
7
1B
1Y
2A
2B
2Y
GND
8
9
10
11
12
13
14 V
CC
4B
4A
4Y
3B
3A
3Y
74AHC32DT
(
XZ103A00
)
DM: IC5, IC6
OR
74HC08DT(XZ108A00)
DM: IC7
AND
74HC244DT(XZ109A00)
DM: IC14, IC15, IC16
Bus Buffer
74HC164DT(XZ112A00)
DM: IC109
SHIFT REGISTANT
NJM072M(XC458A00)
DM: IC101
OP AMP
1
2
3
4
5
6
7
13
12
11
10
9
8
14 1A
1B
1Y
2Y
2A
2B
Vss
VDD
4B
4A
4Y
3Y
3A
3B
74HC175DT(XZ113A00)
DM: IC110
D-FF
Output A
Inverting
Input A
Non-Inverting
Input A
–DC Voltage
Supply
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
1
2
3
4
8
7
6
5
– +
–+
–V
1G
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
VDD(Vcc)
2G
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1 (GND)Vss
1
2
3
4
5
6
7
15
14
13
12
11
10
16 CL
1Q
1Q
1D
2D
2Q
2Q
VDD
4Q
4Q
4Q
3D
3Q
3Q
8 9 Vss CK
Q
Q D
CK
CL
D Q
CK
C LQ
Q
CK CK
CL Q CL
Q
D
Q
D
1
2
3
A
QA QA
4 QB QB
5 QC QC
6 QD QD
7 GND
B B
14
13
12
VCC
QG QG
11 QF QF
10 QE QE
9 CLEAR CLEAR
8 CLOCK
QH
CK
QH
OUTPUTS
OUTPUTS
SIRIAL
INPUT
A
A