Yamaha spx2000 Service Manual page 20

SPX2000
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CS5361-KS (X3447A00) ADC (Analog to Digital Converter)
PIN
NAME I/O
NO.
1 /RST I Reset
2 M//S I Master/slave mode
3 LRCK I/O Left right clock
4 SCLK I/O Serial clock
5 MCLK I Master clock
6 VD Digital power supply +5V
7 GND Ground
8 VL Logic power supply +3.3V
9 SDOUT O Serial audio data output
10 DIV I Divider
11 /HPF I High pass filter enable
12 DIF I Digital input format
AK4393-VF-E2 (XW029A00) DAC (Digital to Analog Converter)
PIN
NAME I/O
NO.
1 DVSS - Digital ground
2 DVDD - Digital power supply
3 MCLK I Master clock
4 /PD I Power down mode
5 BICK I Audio serial data clock
6 SDATA I Audio serial data input
7 LRCK I L/R clock
8 SMUTE//CS I Soft mute
9 DFS I Double speed sampling mode
10 DEM0/CCLK I
De-emphasis enable
11 DEM1/CDTI I
12 DIF0 I
TE
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13 DIF1 I Digital input format
14 DIF2 I
IC BLOCK DIAGRAM
TC74VHC00FT (X2313A00)
Quad 2 Input NAND
MAIN: IC209
1A VDD
1 14
1B 4B
2 13
1Y 4A
3 12
2A 4Y
4 11
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2B 3B
5 10
2Y 3A
6 9
Vss 3Y
7 8
.
20
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FUNCTION
FUNCTION
（IC ブロック図）
TC74VHC04FT (X0195A00)
Hex Inverter
MAIN: IC207, 501
1
1A
2
1Y
3
2A
4
2Y
5
3A
6
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7
Vss
i
http://www.xiaoyu163.com
2 9
8
PIN
NAME I/O
NO.
13 M0 I
Mode selection
14 M1 I
15 TST I Test
16 AINL+ I
Differential left channel analog input
17 AINL- I
18 GND Ground
19 VA Analog power supply +5V
20 AINR- I
Differential right channel analog input
21 AINR+ I
22 VCOM O Common voltage
23 REFGND Reference ground
24 FILT+ O Positive voltage reference
PIN
NAME I/O
NO.
15 BVSS - Substrate ground
16 VREFL I Low level voltage reference
17 VREFH I High level voltage reference
18 AVDD - Analog power supply +5 V
19 AVSS - Analog ground
20 AOUTR- O Rch negative analog output
21 AOUTR+ O Rch positive analog output
22 AOUTL- O Lch negative analog output
23 AOUTL+ O Lch positive analog output
24 VCOM O Common voltage output
25 P//S I Parallel/serial select
Q Q 26 CKS0 I
3 6 7 1 3 1 5
27 CKS1 I Master clock select
28 CKS2 I
TC74VHCT08AFT (X3586A00)
TC74VHC08FT (XV891A00)
Quad 2 Input AND
MAIN: IC404
IC005, 107
14 VDD
13
6A
12
6Y
11
5A
10
5Y
9
co
4A
8
4Y
.
9 4 2 8
MAIN: IC603
FUNCTION
MAIN: IC701
FUNCTION
0 5 8 2 9 9 4 2 8
1A VDD
1 14
1B 4B
2 13
1Y 4A
3 12
2A 4Y
4 m 11
2B 3B
5 10
2Y 3A
6 9
VSS 3Y
7 8
9 9
9 9