Read Panasonic SA-PTX7EB / SA-PTX7EG Service Manual online
20.10. DIGITAL 2
B
A
C
D
E
F
G
IC1906
3-STATE BUFFER
C0JBAZ002262
4
2
BUS BUFFER
A/D CONVERTER
C0FBAK000026
IC1903
C1
41
1
2
1D
1CLRN
1QN
1CK
6
3
2D
2CK
1CK
10
4
9
2
5
2PRN
1PRN
2Q
1D
1Q
12
11
3
11
8
6
3
13
12
10
9
5
4
2
1
13
1
12
5
2
1CK
2Q
1CLRN
2D
1Q
1D
11
3
9
11
8
6
3
12
13
10
9
5
4
1
2
13
12
10
9
4
5
2
1
11
8
6
3
1Q
11
3
13
9
4
6
12
2
5
13
12
9
10
5
4
2
1
11
8
6
3
15
11
12
13
14
7
10
2
1
AKLRCK
AKSCLK
AKDT
ACLK0
MNNEXTDK
MN1NINT
MN1NRD
MN1NRAMLUB
MN1NRAMLLB
MN1NCS
DACOUT L
AD IN R
AD IN L
SH RSIN
IC1705
FLIP/FLOP
C0JBAF000380
IC1707
FLIP/FLOP
C0JBAF000380
2CK
2CLRN
IC1711
FLIP/FLOP
C0JBAF000380
IC1712
OR GATE
C0JBAE000231
IC1702
AND GATE
C0JBAA000244
4
6
3
1
IC1703
INVERTER
C0JBAB000590
2D
1QN
1PRN
IC1706
FLIP/FLOP
C0JBAF000380
2CK
1CK
1D
2Q
2CLRN
IC1704
OR GATE
C0JBAE000231
ENP
ENT
CLK
7
3
1
2
6
5
IC1709
OR GATE
C0JBAE000323
IC1710
OR GATE
C0JBAE000231
IC1708
COUNTER
C0JBAK000188
RCO
Qd
Qc
Qb
Qa
CLRN
46
C6
D2
62
D3
63
CD SEL
159
D10
70
LCD CLK
LCDCL2
LCDCL1
LCDFLM
146
DV5 ON
127
H1
105
LCD DON
147
172
163
169
IC1505
SCHMITT BUFFER
C0JBAZ001961
C4
44
SCHMITT INVERTER
C0JBAB000884
IC1918
RESET IC
C0EBE0000242
IC1504
VOUT
4
MR 1
(12.288MHz)
X1900
1
2
4
IC1506
AND GATE
C0JBAA000494
IC1907
C0JBAU000036
9
5
2
3A
2A
1A
1OE
3Y
2Y
1Y
1
2OE
4
3OE
10
8
6
3
2
1
4
IC1900
AND GATE
C0JBAA000494
6
4
1
3
IC1904
INVERTER
C0JBAB000837
5
6
MULTIPLEXER
C0JBAR000434
IC1905
Y
B
2
SEL
A
1
5
6
MULTIPLEXER
C0JBAR000434
IC1901
Y
B
2
SEL
A
1
5
6
MULTIPLEXER
C0JBAR000434
IC1920
Y
B
2
SEL
A
1
(16.66MHz)
X1501
A2
A1
2
1
42
29
8
9
25
5
45
C5
A5
B5
A9
A8
B9
C2
D/A CONVERTER
C0FBBK000049
IC1902
15
POWER SUPPLY
ZERO DETECT
VOUTL
DACOUT R
14
VOUTR
LOW-PASS FILTER
OUTPUT AMP AND
DAC
MODULATOR
DELTA-SIGMA
MULTI-LEVEL
ENHANCED
5
4
3
2
7
8
6
SCK
MD
MC
MS
BCK
LRCK
DATA
CLOCK
SYSTEM
CONTROL
FUNCTION
WITH
DIGITAL FILTER
OVERSAMPLING
4X/8X
MANAGER
SYSTEM CLOCK
CONTROL PORT
SERIAL
SERIAL PORT
AUDIO
PDN
13
10
12
9
11
2
1
LRCK
SCLK
SDTO
MCLK
AINR
AINL
CLOCK DRIVER
MODULATOR
FILTER
DECIMATION
INTERFACE
SERIAL I/O
113
J1
J1
64
D4
153
P1
P1
153
P20
A16
B16
B8
16
36
10
SH TXD
SH RXD
SUBIO1
4
2
M17
143
B1
21
MICROCOMPUTER
C2GBC0000300
IC1502
LCD DATA0-
LCD DATA15
LCD DATA15
4
2
17
12
CN1900
CN502
12
17
CN1900
CN502
14
15
CN1900
CN502
8
21
CN1900
CN502
10
19
CN1900
CN502
20
9
CN1900
CN502
22
7
CN1900
CN502
24
5
CN1900
CN502
21
30
P3007
CN1503
23
28
P3007
CN1503
25
26
P3007
CN1503
19
32
P3007
CN1503
48
3
P3007
CN1503
24
27
P3007
CN1503
2-17
49-34
P3007
CN1503
LCDD0-LCDD15
LCDD0-LCDD15
FROM/TO
DVD
(INTERFACE )
DVD
(INTERFACE )
FROM
SYSTEM CONTROL
SYSTEM CONTROL
LRCK
5
46
CN1503
P3007
FROM
AUDIO SELECTOR
AUDIO SELECTOR
SRCK
DMIXOUT
4
47
CN1503
P3007
6
45
CN1503
P3007
FROM
DVD (INTERFACE)
DVD (INTERFACE)
TO
AUDIO SELECTOR
AUDIO SELECTOR
FROM/TO
SYSTEM CONTROL
SYSTEM CONTROL
: DIGITAL AUDIO SIGNAL LINE
: DIGITAL AUDIO REC SIGNAL LINE
SA-PTX7EB/EG DIGITAL BLOCK DIAGRAM
SA-PTX7EB / SA-PTX7EG
114
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