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— AC-3 (RF) SECTION —
LD/DVD
J3302
BUFFER
L.P.F.
IN
6
Q3301
IC3305 (1/2)
AC-3 RF
IC3305 (2/2)
BUFFER
2
Q33
Q3304
AMP
Q3305
• Signal path
: RF (AC-3)
09
FILTER
FL3301
Q3306
BUFFER
7
1
6
Q3302
4
9
1
+
3
+
1
–
2
D3303
AMP
IC3306 (1/2)
— 57 —
DIGITAL SIGNAL PROCESSOR
(AC-3 RF DEMODULATOR)
IC3308
CPIN
ERROR
82
DEMODULATION
S/P
CORRECTOR
XIN
DIGITAL
26
PLL
7
6
PDO
L.P.F.
PHASE
63
IC3306 (2/2)
COMPARATOR
VOUT
56
DIVIDER
55
X3302
VIN
18.432MHz
X LOCK
MUTI
78
89
DOUTB
88
DOUT
D0 - D7
36 42
51–44
27 22
DAI
DIGITAL
DAOUT
DAO
70
CONTROL
OUT
DIVIDER
RESET
CPU
3
AC. RST
INTERFACE
MUTO
66
MUTO
PDDIS
65
ADDRESS
GENERATOR
A0
A14
17–22•30•31•38•39•43•41•34•37•35
11–13 • 15–19
10–3•25•24•21•23•2•26•1
D0
D7
A0
A14
S RAM
IC3309
— 58 —
STR-DE1015G
J
DA
SECTION
(Page 53)
R
DSP
SECTION
(Page 55)
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