Ic Block Diagram - Yamaha DG60FX-112 Service Manual

DG60FX-112
AK4520A-VF-E2 (XT802A00) DAC & ADC
PIN
NAME I/O
NO.
1 VREFH I
2 VREFL I
3 AINR+ I
4 AINR- I
5 AINL+ I
6 AINL- I
7 VA -
8 AGND -
9 DIF0 I
10 DIF1 I
11 LRCK I
12 SCLK I
13 SDTI I
14 SDTO O

IC BLOCK DIAGRAM

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