Yamaha AW4416, Service Manual

Page: 92 / 154

51
AW4416
PIN
NO.
I/O FUNCTION NAME
PIN
NO.
I/O FUNCTION NAME
1
2
3
4
5
6
7
8
9
10
11
12
MOT
N.C
N.C
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
GND
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Bus type selection
Multiplexed address / Data bus
Ground
13
14
15
16
17
18
19
20
21
22
23
24 /CS
AS
R//W
N.C
DS
/RESET
/IRQ
N.C
N.C
N.C
SQW
Vcc
I
I
I
I
I
O
O
Chip select
Address strobe
Read / Write
Data strobe
Reset
Interrupt request
Square wave
Power 5 V
DS12887 (XV618A00) Real Time Clock
MAIN: IC709
1 D5 I/O 25 TX31 O Transmit Data 31
2 D6 I/O Data Bus 26 RX32 I Receive Data 32
3 D7 I/O 27 TX32 O Transmit Data 32
4 /IRQ0 I/O Interrupt Request Port 0 28 RX33 I Receive Data 33
5 /IRQ1 I/O Interrupt Request Port 1 29 TX33 I/O Transmit Data 33
6 Vss Ground 30 /IC I Initial Clear
7 /IRQ2 I/O Interrupt Request Port 2 31 Vss Ground
8 /IRQ3 I/O Interrupt Request Port 3 32 XI I Quartz Crystal Input
9 /RD I Read Signal Input 33 Vss Ground
10 /WR I Wright Signal Input 34 XO I/O Quartz Crystal Output
11 /CE I Chip Enable Input 35 A0 I
12 /ASTB I Address Strobe (Not used: to ground) 36 A1 I
13 TESTSIO I Input with Pull-down Resistor (50k) 37 A2 I Address Bus
14 RX0 I Receive Data 0 38 A3 I
15 TX0 O Transmit Data 0 39 A4 I
16 RX1 I Receive Data 1 40 A5 I
17 TX1 O Transmit Data 1 41 CPUCLK I CPU Clock
18 Vss Ground 42 Vss Ground
19 V
DD
Power Supply 43 V
DD
Power Supply
20 RX2 I Receive Data 2 44 D0 I/O
21 TX2/BO2 O Transmit Data 2 45 D1 I/O
22 RX30 I Receive Data 30 46 D2 I/O Data Bus
23 TX30 O Transmit Data 30 47 D3 I/O
24 RX31 I Receive Data 31 48 D4 I/O
PIN
NAME I/O FUNCTION
NO.
PIN
NAME I/O FUNCTION
NO.
MBCG46183-129 (XV833A00) Gate Array

























MAIN: IC707
Common voltage output
Rch positive analog input
Rch negative analog input
Lch positive analog input
Lch negative analog input
Volatge reference
Analog ground
Analog power supply
Parallel/serial mode select
Master clock
Input/Output channel clock
Audio serial data clock
Audio serial data output
Audio serial data input
PIN
NAME I/O FUNCTION
NO.
PIN
NAME I/O FUNCTION
NO.
AK4528VF (XY624A00) ADC/DAC
MAIN: IC201, 204, 207, 210
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VCOM
AINR+
AINR-
AINL+
AINL-
VREF
AGND
VA
P/S
MCLK
LRCK
BICK
SDTO
SDTI
15
16
17
18
19
20
21
22
23
24
25
26
27
28 CKS0
CKS1
DIF
DFS
PDN
DEM0
DEM1
VT
VD
DGND
AOUTL-
AOUTL+
AOUTR-
AOUTR+
O
I
I
I
I
I
I
I
I
I
O
I
I
I
I
I
I
I
I
O
O
O
O
Master clock select
Digital audio interface select
Double speed sampling mode
Power-down mode
De-emphasis control
Outpt buffer power supply
Digital power supply
Digital ground
Lch negative analog output
Lch positive analog output
Rch negative analog output
Rch positive analog output





