Changer Unit (D/A Converter Section) - Sony XES-Z50 Service Manual

XES-Z50
7-10. BLOCK DIAGRAM – CHANGER UNIT (D/A CONVERTER Section) –
DATA
(HIGH FRONT)
(Page 90) 22
DATA
(MID REAR)
DATA LEVEL
(SUB WOOFER) SHIFT
IC1010
BCK BCK
LRCK LRCK
256FS
18
(Page 87)
XRST
21
(Page 89)
DITHER
15
(Page 88)
05
DIGITAL FILTER
IC1101
DI DOL
FILTER/
1
INPUT
ATTENUATOR
DATA
BCKI PROCESS
OUTPUT
DOR
INTERFACE
2
CIRCUIT
DATA
INTERFACE
BCKO
LRCI WCKO
TIMING
28
CONTROL
MUTE/ATTENUATE/
DE-EMPHASIS
SYSTEM CONTROL CIRCUIT
CLOCK
6 14 21 15 16
DI
1 DOL
DIGITAL FILTER
IC1201
2 BCKI
(SAME AS IC1101.) DOR
BCKO
LRCI
28 WCKO
6 14 21 15 16
DI
1 DOL
DIGITAL FILTER
IC1301
2 BCKI
(SAME AS IC1101.) DOR
BCKO
LRCI
28 WCKO
6 14 21 15 16
– 91 –
D/A CONVERTER
IC1102
24 1
I-V AMP
LOW-PASS
23
14 IC1104
FILTER
(1/2)
IC1104 (2/2)
26 2
25 7
R-CH
(IC1103)
D/A CONVERTER
IC1202
(SAME AS IC1102.)
24 1 DATA
I-V AMP LOW-PASS
23
14
I OUT IC1204 FILTER
(1/2) IC1204 (2/2)
26 2 CLOCK
25 7 L. E.
R-CH
(IC1203)
D/A CONVERTER
IC1302
(SAME AS IC1102.)
24 1 DATA
I-V AMP LOW-PASS
23
14
I OUT IC1304 FILTER
(1/2) IC1304 (2/2)
26 2 CLOCK
25 7 L. E.
R-CH
DATA, CLK
(IC1303)
17
(Page 88)
60 97 98 99
MASTER CONTROLLER
IC301 (3/4)
ELECTRICAL VOLUME
IC1106
AINL AOUTL
LINE AMP
16 MUX 14
IC1107
R-CH
R-CH
CONTROL REGISTER R-CH
SERIAL/PARALLEL
REGISTER
3 6 2 8
CE0
ELECTRICAL VOLUME
IC1206
(SAME AS IC1106.)
LINE AMP
16 AINL AOUTL 14
IC1207
2 8
3 6
R-CH
CE1
ELECTRICAL VOLUME
IC1306
(SAME AS IC1106.)
LINE AMP
16 AINL AOUTL 14
IC1307
2 8
3 6
R-CH
CE2
11
MUTE SWITCH
IC413 (2/3)
13
IC411 (3/3)
12
9
5 6
SMUTE 59
10
8
IC414 (2/5)
58
MUTE
23
(Page 94)
– 92 –
LINE OUT
HIGH (3WAY)
FRONT (4CH)
JK3011
L
JK3012
R-CH R
RY1101
LINE OUT
MID (3WAY)
REAR (4CH)
JK3021
L
JK3022
R
R-CH
RY1201
LINE OUT
SUB WOOFER
JK3031
L
JK3032
R
R-CH
RY1301
RELAY DRIVE
Q1001
• Signal path.
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