Yamaha DSP-AX1, Service Manual

Page: 51 / 103

DSP-AX1/RX-V1
DSP-AX1/RX-V1
50
IC24 : PM4007A (P.C.B. DSP)
AC-3 RF Demodulator
GND VDD MUTI C1F0 C1F1 C2F0 C2F1 TI8 D
ASEL
DA
IN
D
A
OUT
D
ASY
O
VLD
Y
TI5 MUT
O
PDDIS TI4 PDO TDO TRP TCK TLDB TI3 TI2 V
OUT
VIN TI1 GND VDD DB0
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
AVDD
CPIN
CMIN
AGND
TM4
VDD
DIN
DOUT
DOUTB
C9M
GND
WINGT
SYST0
SYST1
ADST0
ADST1
TM5
BUNRI
AGND
AVDD
GND
VDD
RESET
OSCON
D
ATA
MCK
ML
TB
IDST
IDCK
IDO
TMO
ECCK
DEN DR
Y
MSYC
TM1
A0 A1 A2 A3 A4 A5
TM2 TM3
XOUT
XIN
XEXT
GND
VDD
A6
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
DB1
DB2
DB3
DB4
DB5
DB6
DB7
A10
OEB
A11
GND
A9
A8
A13
WEB
A14
A12
VDD
GND
A7
No. Name I/O Function
1 GND Ground (0V)
2 VDD +5V power supply
3 RESET I System resetting terminal (reset at “L”)
4 OSCON I Oscillation control terminal. Oscillation ON at “H”, set to “H” normally and to “L” when in standby state
5 DATA I IC test terminal, normally connected to ground (or unconnected)
6 MCK I IC test terminal, normally connected to ground (or unconnected)
7 MLTB I IC test terminal, normally connected to ground (or unconnected)
8 IDST O Output terminal for IC test
9 IDCK O Output terminal for IC test
10 IDO O Output terminal for IC test
11 TM0 I IC test terminal, normally connected to ground (or unconnected)
12 ECCK O Output terminal for IC test
13 DEN O Output terminal for IC test
14 DRY O Output terminal for IC test
15 MSYC O Output terminal for IC test
16 TM1 I IC test terminal, normally connected to ground (or unconnected)
17 A0 O External RAM address output. Address 0 (LSB)
18 A1 O External RAM address output. Address 1
19 A2 O External RAM address output. Address 2
20 A3 O External RAM address output. Address 3
21 A4 O External RAM address output. Address 4
22 A5 O External RAM address output. Address 5
23 TM2 I IC test terminal, normally connected to ground (or unconnected)
24 TM3 I IC test terminal, normally connected to ground (or unconnected)
25 XOUT O Output terminal for IC test
26 XIN I IC test terminal, normally connected to ground (or unconnected)
27 XEXT I IC test terminal, normally connected to ground (or unconnected)
28 GND Ground terminal (0V)
29 VDD +5V power supply