Analog Audio Section - Sony PCM-R500 Service Manual

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PCM-R500
3 7 6 3 1 5 1 5 0

(3) Analog Audio Section

LINE AMP
IC323 (1/2)
J305-1
2 2
1
+
CH-1 (L) 1
–
3
3
RV101
ANALOG
LEVEL
(LINE) IN
CH-1 (L)
J305-2
R-CH
2
CH-1 (R) 1
3
R-CH
LINE AMP
IC326 (1/2)
J307-1
1
3
CH-1 (L)
LINE IN
J307-2
R-CH
CH-1 (R)
Signal path
T E
L 1 3 9 4 2 2 9 6 5 1 3
DADO
www
40
LINE AMP
RV301
IC324 (1/2)
A/D CONVERTER
REC LEVEL
IC307
2 1
LINE AMP
26 ADR 21
AINR+
IC303,
25 AINR-
IC304
R-CH
2 22
-1
Q303
RY305
RELAY
DRIVE
Q316
XBAL
D
DIGITAL AUDIO SECTION
: PB
: REC
FSEN XFSEN
48 49
DIGITAL FILTER/
x a o
D/A CONVERTER
y
IC314
. i
– 29 –
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8
ALI
21
SBM
DIGITAL
ARI
FILTER
21
4 54 26 56
FSEN
1
CLOCK
6 7
BUFFER
IC313 (3/6)
CLOCK
10 9
BUFFER
IC313 (4/6)
PHASE
COMPARATOR
CLOCK
11 12
IC315
8 R S 7
BUFFER
PD
IC313 (5/6)
3
15
6
XFSEN
PHASE
PRESCALER
CONTROL
IC312
Q304-306
10
MAIN VCO
Q Q
Q307, 308
3 7 6 3
D308
IC311
3
(2/6)
4
38 47 10 39 45 35 34 36 37
MIX AMP
L1 (+)
63
IC101
L2 (+)
IC102 (2/2)
2
DIGITAL D/A
CONVERTER L1 (-) RY301
FILTER
61
L2 (-)
4
u 1 6 3
21 18 23 16 .
R-CH
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2 4
9 9
SBM DIGITAL FILTER
IC308
3 27
XSFEN
CLOCK
2 3
BUFFER
IC313 (1/6)
CLOCK
13 14
BUFFER
IC313 (6/6)
X301
24.576MHz
7
IC325
XFSEN
(2/2) 10 11
2
1 10
IC301 (1/6)
1 5 1 5 0 8 9 2
5
1/2 3
DIVIDER
9
11
IC309 (2/2)
6
IC301 (2/6)
IC325
5
(1/2)
3
1/2 4
4
DIVIDER FSEN
IC309 (2/2)
X302
3 22.5792MHz
LINE AMP
LINE AMP
IC104 (1/2)
IC103 (2/2)
LINE AMP
3 1
5 7
IC103 (1/2)
6 7
RV102
LINE AMP
LEVEL
IC104 (2/2)
CH-1 (L)
R-CH
LINE AMP
IC102 (1/2)
HP AMP
3 1
IC321 (1/2)
J301
3 1
Q102
m PHONES
RV302-1
PHONE
LEVEL
c o
RELAY MUTE
DRIVE DRIVE
Q312 Q309-311
– 30 –
2
8 9 9
AIN
DLO
50
41 40 42 45
SBM
ADLD
F128
ADINT
BCK
LRCK
AUSO
AUSC
12
8 9 13
FS48
IC301 (3/6) IC301 (5/6)
4 9 8 2 9 9
IC301 (4/6) IC301 (6/6)
FS44
5 1
6 2
DADO
DALD
DAINT
2
J306-1
1
CH-1 (L)
3
ANALOG
(LINE) OUT
R-CH
2
J306-2
1
CH-2 (R)
3
R-CH
J307-3
CH-1 (L)
LINE OUT
CH-2 (R)
R-CH
J307-4
XLM