Digital Audio Section - Sony PCM-R500 Service Manual

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(2) Digital Audio Section

J801
T801
12
2
DIGITAL
+ 2
IN/OUT 1
–
3
AES/EBU IN 11
RS-422 RECEIVER
IC801 (1/2)
COAXIAL
J501-1
IN
RS-422 RECEIVER
IC801 (1/2)
J802
T802
9 5
2
DIGITAL
10
1
IN/OUT
AES/EBU OUT 3
T501
J501-2
COAXIAL
OUT
T E
L 1 3 9 4 2 2 9 6 5 1 3
REC/PB
HEAD
A
REC/PB
HEAD
B
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IC508
(1/4,4/4)
1
NORMALIZER
8
IC508 (2/4)
IC509 (1/2)
13
PHASE
RX VCO
COAXIAL
CONTROL IC513 (5/6, 4/6)
IC513 (1/6)
D513, Q520
AES/EBU
IC513 (6/6)
S501
AES/EBU
-COAXIAL
A SYSTEM CONTROL
VCOEN
SECTION
IC510 (1/4)
3
2
6
4
IC510 (2/4)
X501
24.576MHz
RV2 RV1
A REC B REC
PCM PCM
39 40
PIPC 46
REC A 47
SWP
Q522
33
45
REC/PB
REC B
27
REC OCA 44
PB A
34
PCM PB RF
1
EQ BUFFER
PB B
Q521
26
GCA
PILOT
14
OCA
RF AMP
IC1
11
AGC
BUFFER
IC521 (1/2)
x a o
y
i
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8
RX RX DIGITAL ADDI
52 79 11
PLL OUT
12
PDO DADT
77 13
45
PLCO ADDN
48
80 9
ADDT
76
DAT DSP
IC503
71
LRO1
TX DADO
DIGITAL
54 78
IN
64
XT2I
F128 58
66 XT3O
BCK 75
LRCK 72
XT1I 14
67 XT3I
X502
Q Q
18.816MHz
3 7 6 3 1
13
XT1O
16
XRST
41 PIPC
39 SWP 47
MUTA
UNLK 31
42 REPB
FSEN 68
REDT
43
Q524
DAT
EXSN 57
DSP
XCS 38
MUTM 30
RFDT
37
MUTE 29
EXCK 23
SDSI 24
SDSO 25
SBSY 26
A0-A14
1, 2, 4-8 84-89
10 9 19 21
93-100 91, 92
1-10, 21 11-13
22 27
23-26 15-19
A0-A14 D0-D7
SRAM
IC504
73 91 72 48 40 43 77
u 1 6 3
79 SWP
78 PBDT
80 AGC PWM
SERVO PROCESS
ATF
66
.
IC502 (1/3)
2 4
9 9 8
SIGNAL SELECT
IC511
10
15 2 14
7 2 15
D F/F
9
CLK
IC512
5 4 13
5 1 5 0 8 9 2 4
BCK
C
LRCK
DADO
B SYSTEM
XRST CONTROL
MUTE A
SECTION
SYSTEM XLM
UNLK
CONTROL
FSEN
SECTION
96 EXSY-MUT 16
XREC/PB
97 XMST-SEL XANA/DIG 15
70 MUT-MONIT
98 MST-MUTE SBM-ON 1
55 SR-CK XADLD 11
54 SR-DTO 8
AUSC
53 SR-DTI AUSO 7
52 XSBSY FS48 28
40 XRST FS44 29
93
XADINT
XDAINT 94
95 REC-DIS
XDALD 12
SYSTEM
ANALOG
CONTROL
D
43 EXTAL XBAL 2 XBAL AUDIO
IC501 (1/2)
SECTION
1/2
9.4MHz
18.8MHz
DIVIDER
9 11
IC519
+5V
m
RESET
6 7
IC516
c o
– 28 –
PCM-R500
2
9 9
AIN
F128
BCK
LRCK
DADO
9 8 2 9 9
XLM
FSEN
SBM
ADLD
AUSC
AUSO
FS48
FS44
ADINT
DAINT
DALD