Yamaha DSP-A595a Service Manual

26
DSP-A595a
IC4 : YSS918D-F (AC3D2av)
DSP + AC-3 (Digital Dolby)/Pro Logic/DTS Digital Surround Decoder
VSS RAMD7 RAMD6 RAMD5 RAMD4 RAMD3 RAMD2 RAMD1 RAMD0 VDD1 RAMA2 SCK SI SO /CS /CSB RAMA3 TEST /IC RAMA4
PVSS
SDWCK1
SDBCK1
SDOB0
SDOB1
SDOB2
RAMA7
RAMA8
RAMA9
VDD2
VSS
OPORT7
OPORT6
OPORT5
OPORT4
OPORT3
OPORT2
OPORT1
OPORT0
VDD1
VDD
SDWCK0
SDBCK0
SDIA0
SDIA1
RAMA1
RAMA0
RAMWEN
RAMOEN
VSS
VDD
IPORT7
IPORT6
IPORT5
IPORT4
IPORT3
IPORT2
IPORT1
IPORT0
VSS
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
616263
64656667686970
VSS RAMA5 RAMA6 /SDBCK0 SURENC KARAOKE MUTE CRC NONPCM VDD2
515253
5455565758596071727374757677787980
20191817161514131211109876
54321
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
VDD1
RAMCEN
RAMA16 RAMA15
SDIB0 SDIB1 SDIB2
XI
XO
VSS
AVDD
SDIB3
TEST TEST
OVFB
DTSDATA
AC3DATA
SDOB3
CPO
AVSS
30292827262524232221
VDD
SDOA2 SDOA1 SDOA0
RAMA14 RAMA13 RAMA12
RAMA11
RAMA10
VSS
TOP VIEW
/SDBCK0
CONTROL
SIGNALS
SDI : SERIAL DATA INPUT
SDO : SERIAL DATA OUTPUT
CONTROL
SIGNALS
CONTROL REGISTERS
INPUT
BUFFER
PLL
OPERATING
CLOCK (25MHz)
STREAM0~7
L,R
Ls,Rs
C,LFE
DELAY
RAM
ERAMUSE
EXTERNAL RAM
INTERFACE
DATA
RAM
24x24
MAIN DSP
AC-3/
PRO LOGIC/
DTS
DECODER
SDIBCKSEL SDIBCKSEL SDOBCKSEL
24x16
SUB DSP
COEFFICIENT
PROGRAM
RAM
SDOB INTERFACE
SDIB INTERFACE
SDIBSEL
SDOA INTERFACE
SDIA INTERFACE
SDIASEL
CRC
MICROPROCESSOR
INTERFACE
SDBCK0
SDWCK0
SDIA0
SDIA1
SURENC
KARAOKE
MUTE
CRC
AC3DATA
23
24SDOA0
SDOA1
22SDOA2
5
SDIBO
6
SDIB1
7SDIB2 2RAMCEN
RAMD0~7
88
RAMWEN
89RAMOEN
RAMA0~16
XI
XO
CPO
85
84
67 68 69
65
66
32 39
~
99 92
~
72 79
~
45
SDOB2
46
SDOB1
47 SDOB0
49 SDWCK1
48 SDBCK1
/CSB OPORT0~7 SCK
SI
SO /CS IPORT0~7
83
57
82
56
55
54
53
17
9
19
8
DTSDATA
NONPCM
16
52
18
SDOB3
15
OVFB
12SDIB3
87,86,70,64,61,
59,58,44~42,
29~25,4,3

Yamaha DSP-A595a Specifications

General

Brand	Yamaha
Model	DSP-A595a
Category	Amplifier
Language	English