Sony STR-DE335 - IC Block Diagrams - Main Board; IC Block Diagrams for Main Board

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• IC Block Diagrams
– MAIN BOARD –
IC1 BU1922 (STR-DE335: AEP model)
IC300 CXA8079S
IC301 LV1018
IC401 LC78212
IC701, 702 µPC2581V
QUALITY BIT
GENERATOR
DEFFERENTIAL
DECODER
BIPHASE
SYMBOL
DECODER
OSCILLATOR
AND
DIVIDER
57kHz
BANDPASS
(8th ORDER)
CONTAS LOOP
VARIABLE AND
FIXED DIVIDER
REFERENCE
VOLTAGE
ANTI-
ALIASING
FILTER
CLOCKED
COMPARATOR
TEST LOGIC AND OUTPUT
SELECTOR SWITCH
RECONSTRUCTION
FILTER
141516 13 12 11 10 9
321 4 5 6 7 8
CLOCK REGENERATION
AND SYNC
VP1
RDCL TS7 OSCO OSCI V
DDD
V
SSD
TEST TSTL
D
QUAL
RDDA
Vref
MUX
V
DDA
V
SSA
CIN
SCOUT
48
VCS2 VCS1 VCS-TH L+R-RCT L-R-RCT DCUT DCUT R-BPF3 R-BPF2 R-BPF1 CT-OUT2 CT-IN2 MIXOUT C-OUT S-OUT R-OUT L-OUT
VCC
CM-CAP FCC-IN2 ENABLE DATA CLK OSC1
NS-BPF1 NS-BPF2
VREF
S-DCUT C-DCUT
L-DCUT
R-DCUT
VREF-BUF
L-IN
R-IN
GND
CT-OUT1
CT-IN1
FCC-IN1
L-BPF1 L-BPF2 L-BPF3
DCUT DCUT
R-RCT
L-RCT
VLR-TH
VLR1 VLR2
47
46
45 44
43 42
41
40
39
38
37
36
35 34 33
32 31
30
29
28
L+R-RECT
27
26
25
P. S
VCS-LOG
OSC DEC
N-GEN
N-BPF
N-OH
DIV
BAL-DET
BALCONT
VREF
VR VR
VCRX8
COMB-NET
CMODE SMUTE
C-TRIM
PB
PB
PBPB
R
B
R
B
R-B.P.F.
L-B.P.F.
L-R-RECT
R-RECT
L-RECT
VLR-LOG
DUAL-TIME
P. S
24
23
2221
20
19
18
17
16
15
1413121110987654321
VSS
CLK
DATA
ENABLE
LS-DC CUT LS-DC CUT
DC CUT-IN
VCC
L-IN
R-IN
S-IN
AC-GND
NR-C2
FCL-IN
FCR-IN
FCLS-IN
FCRS-IN
DELAY-OUT
DELAY-IN
CR-IN CR-OUT LC-INE LC-INB
RS-DC CUT
RS-DC CUT AGND
DC-OUT
IREF DET
LPF L-OUT
R-OUT LS-OUT RS-OUT VDD
A/D
NS D/A
1 201918171615141312111098765432 21
2223242537 36 35404142 39 38 34 33 32 31 30 29 28 27 26
LS
TRIM
FILTER
B-NR
VDD
PCM
DATA
DECODER
OSC
PCM
CONTROL
8K-SRAM
FILTER
VOLUME
FILTER
R-STEREO
RS
TRIM
+
–
+
+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
CONTROL
LATCH
SHIFT RESISTOR
LEVEL SHIFT
CL
DI
CE
VEE
OUT
IN
OUT
IN
OUT
IN
VSS
S
RESET
VDD
OUT
ININ
OUT
IN
OUT
IN
2
3
5
4
6
7
98
1
MUTE
+ VOUT1 – VOUT1
COMP1
MF1
IN1
GND
IN2
NF2
COMP2
– VOUT2 + VOUT2
VCC1 VCC2
VEE
PROTECTOR
BIAS CIRCUIT
REG DRIVE
PRE
DRIVE
11
10
12
13
1514
DRIVE
PRE
DRIVE