Sony STR-DE235 - IC Diagrams and Pin Functions

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• IC Block Diagrams
– MAIN BOARD –
IC1 BU1924
IC300 CXA8079S
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
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