Yamaha DSP-A595a Service Manual page 37

Q Q
3 7 6 3 1 5 1 5 0
IC6 : AK4526A-VQ (CODEC AD/DA)
20 bit 6 channel A/D, D/A Converter
SDOS 1 33 VREFL
OCKS 2 32 RIN+
3 31
M/S RIN–
BICK 4 30 LIN+
LRCK 5 29 LIN–
TOP VIEW
SDTI1 6 28 ROUT1
SDTI2 7 27 LOUT1
SDTI3 8 26 ROUT2
SDTO 9 25 LOUT2
DAUX 10 24 ROUT3
DFS 11 23 LOUT3
Pin Pin
I/O Function
No. Name
T E
1 SDOS I L Connected to ground (digital) 1 3 9 4 2 2 9 6 5 1 3
2 OCKS I Connected to ground (digital)
3 M/S I Connected to ground (digital)
Audio serial data clock,
4 BICK I/O
bit clock input from Main µ-COM
Input/Output channel clock,
5 LRCK I/O
word clock input from Main µ-COM
6 SDTI1 I
DAC Audio serial data input 1-3,
7 SDTI2 I
PCM input from AC3D2av
8 SDTI3 I
Audio serial data output,audio
9 SDTO O
data for DIR2
10 DAUX I Connected to ground (digital)
11 DFS I Connected to ground (digital)
12 DEM1 I
Connected to ground (digital)
13 DEM0 I
14 MCKO O Unconnected
15 DVDD Power supply (digital)
16 DVSS Ground (digital)
17 /RD I Power down and reset, initial clear
from Sub µ-COM
18 XTS I Connected to ground (analog)
19 ICKS1 I Connected to ground (analog)
20 ICKS0 I Connected to ground (analog)
w w w
21 CAD1 I Connected to ground (analog)
22 CAD0 I Connected to ground (analog)
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LIN+ 30
Audio
ADC HPF
I/F
LIN–
29 Clock Gen.
1/2
RIN+ 32
ADC HPF MCLK
RIN– 31
LOUT1 VR LPF DAC
27
LRCK
ROUT1
28 VR LPF DAC
BICK DEM
SDOUT
LOUT2
25 VR LPF DAC
SDIN1
SDIN2
ROUT2
26 VR LPF DAC
SDIN3
LOUT2
23 VR LPF DAC
ROUT3
24 VR LPF DAC
Pin Pin
I/O Function
No. Name
23 LOUT3 O Lch analog output 3, for CENTER
24 ROUT3 O Rch analog output 3, for LFE
25 LOUT2 O Lch analog output 2, for REAR
26 ROUT2 O Rch analog output 2, for REAR
27 LOUT1 O Lch analog output 1, for FRONT
28 ROUT1 O Rch analog output 1, for FRONT
29 LIN– I Lch analog negative input, from MAIN
30 LIN+ I Lch analog positive input, from MAIN
31 RIN– I Rch analog negative input, from MAIN
32 RIN+ I Rch analog positive input, from MAIN
33 VREFL I Connected to ground (analog)
34 VCOM O Common voltage output
35 VREFH I Connected to power supply (analog)
36 AVDD Power supply (analog)
37 AVSS Ground (analog)
38 XTI Unconnected
External master clock input, FsX256
39 MCKI I
Bit clock from DIR2
40 P/S I Connected to ground (digital)
Chip select in serial mode, chip enable
41 /CS I
from Sub µ-COM
Control data clock in serial mode,
42 CCLK I clock from Sub µ-COM
Control data input in serial mode,
43 CDTI I
Tramsmit data from Sub µ-COM
44 CDTO O Unconnected
x a o u 1 6 3
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8
DISPLAY DATA
V800 : 16-BT-59GK (V2421800)
LRCK
5
• PIN CONNECTION
4 BICK
10 DAUX
Pin No.
DEM0 1 2 3
13
DEM1
12
DFS
11 CONNECTION
F1 F1 NP
1 SDOS
Pin No.
26 27 28
SDTO
9
CONNECTION
P8 P7 P6
6 SDTI1
7 SDTI2
Pin No. 51 52 53
8 SDTI3
CONNECTION 5G 4G 3G
• GRID ASSIGNMENT
Q Q
3 7 6 3 1
• ANODE CONNECTION
16G 15G 14G 13G
P1 1a a 1a a
P2 1b b 1b b
P3 1c c 1c c
P4 1d d 1d d
P5 1e e 1e e
P6 1f f 1f f
P7 1g g 1g g
P8 1h h 1h h
P9 1j j 1j j
P10 1k k 1k k
P11 1m m 1m m
P12 1n n 1n n
P13 1p p 1p p
P14 1r r 1r r
P15 – –
(Left)
P16 2a 2a
(Right)
c o
P17 2b,2c 2b B1
(PTY)
P18 2d 2c B2
.
P19 2e,2f 2d B3
(RT)
P20 2g 2e B4
P21 2j,2p 2f B5
(CT)
P22 2m 2g S3
30
2 4
9 9 8
y 1
PATTERN AREA
4 5 6 7 8 9 10 11 12 13 14 15 16
NP NC NC NC NC NC NC NC P22 P21 P20 P19 P18 P17
29 30 31 32 33 34 35 36 37 38 39 40 41
P5 P4 P3 P2 P1 IC NP Fd Fd NP IC 16G 15G 14G
54 55 56 57 58 59 60 61 62 63 64 65 NOTE 1) F1, F2 ........ Filament
2G 1G NC NC NC NC NC NC NP NP F2 F2
5 1 5 0 8 9 2 4 9
7G
12G 11G 10G 9G 8G
~5G
a a a a a a
b b b b b b
c c c c c c
d d d d d d
e e e e e e
f f f f f f
g g g g g g
h h h h h h
j j j j j j
k k k k k k
m m m m m m
n n n n n n
p p p p p p
r r r r r r
t t t t
m
– – – –
– –
– –
– S1 –
S2 –
– –
(PS)
– – –
DSP-A595a
2
9 9
17 18 19 20 21 22 23 24 25
P16 P15 P14 P13 P12 P11 P10 P9
42 43 44 45 46 47 48 49 50
13G 12G 11G 10G 9G 8G 7G 6G
2) NP .............. No pin
3) NC .............. No connection
4) DL .............. Datum Line
5) 1G~16G ..... Grid
6) IC ............... Internal connection
7) Fd terminals are to be supplied
through 51kΩ from Ec.
8 2 9 9
4G 3G 2G 1G
a a a a
b b b b
c c c c
d d d d
e e e e
f f f f
g g g g
h h h h
j j j j
k k k k
m m m m
n n n n
p p p p
r r r r
t t t t
– – – –
– –
– – – –
– – – –
– – – –
31