Sony STR-D760Z Service Manual page 40

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3 7 6 3 1 5 1 5 0
5-11. IC BLOCK DIAGRAMS
• DOLBY SURROUND Section
IC301, 303 LC7822
1 30
IN 2 29 IN
28
3
OUT 4 27 OUT
5 26
IN 25 IN
6
7 24
OUT 8 23 OUT
9 22
IN IN IN
10 21
OUT 11 20 OUT
LEVEL SHIFT
12 19 VDD
VEE
CE 13 LATCH 18 RESET
DI
14 17 S
SHIFT RESISTOR
CL 15 16 VSS
T E
L 1 3 9 4 2 2 9 6 5 1 3
IC501 uPC2581V
BIAS CIRCUIT
PROTECTOR
PRE PRE
REG DRIVE DRIVE
DRIVE DRIVE
1 2 3 4 5 6 7 8 9 10 11 12 13 14
IC502 TC9184P
16 15 14 13 12 11 10 9
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1 2 3 4 5 6 7 8
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IC406 LC7823
L1 1 30
R1
L2 2 29 R2
L COM 1 3 28
R COM 1
L3 4 27 R3
L4 5 26 R4
L COM 2 6 25 R COM 2
L5 7 24 R5
L6 8 23 R6
L COM 3 9 22
R COM 3
L7 10
21 R7
L COM 4 11 20 R COM 4
LEVEL SHIFTER
VEE 12 19
VDD
LATCH
CE 13 18 RES
17 S
DI 14
SHIFT
REGISTER
CL 15 16 V
SS
15
x a o
y
i
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IC401 M62460FP
80 79 78 77 76 75
NOISE
1 IREF VREF
NGC1
SEQUENCER
LOUT 2
ROUT 3
CT 4
+
∑
–
COUT 5 VOL
+
ST 6 ∑
–
–/+
7 VOL SELECTOR 1
SOUT
CMC 8
SMRO 9
SELECTOR 3
– +
SMRI 10
AGND 11
L+R
MIC IN 12
SELECTOR 2
13
DVDD
Q Q
–9.2dB
3 7 6 3 1
TEST S
TEST CNT 14
Normaiy GND
ATT
CNT
DATA 15 DATA
MCU
SCK 16 SCK
INTERFACE
REQ
REQ 17
LO1 18
19
LO2
LO3 20
XIN 21
CLK
XOUT 22
DVSS 23
LPF
24
AVSS
25 26 27 28 29 30
u 1 6 3
.
2 4
9 9 8
74 73 72 71 70 69 68 67 66 65
BPF BPF
64 RLC8
FULL WAVE
RLC3
63
RECTIFIER
L+R L–R
62 RLC7
SELECTOR
61 RLC4
LOG
60 RLC1
DIFFERENCE
AUTO
SERVO VCA
AMPLIFIER
BALANCE
RLC2
59
VCA
L
58
L RLC5
R
CENTER MODE COMBINNING
C
C
CONTROL
NETWORKS 57 PSC4
R
S
56 PSC1
DUAL-TIME
CONSTANT PSC5
55
AND
THRESHOLD
54 PSC2
SWITCHES
L+R
PSC6
53
2 2
52 PSC3
5 1 5 0 8 9 2 4
DBC3
51
+9.2dB
MODIFIED
DBC2
B-TYPE 50
NR DECODER
49 DBC1
MIC 0dB
48 LPIN
+ –
16KSRAM
47 DBIN
46 S.OUT
SFB
MOS
SU
45 FBIN SU
EC
LOGIC
44 FBIN EC
MIX
43 DELAY SIG OUT
42 DELAY SIG IN
A/D D/A LPF
VOL 41 VOL OUT
31 32 33 34 35 36 37 38 39 40
m
c o
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