Denon S-301 Service Manual page 78

QQ
3 7 63 1515 0
CY2302 (IC115: 1U-3692)
Pin Configuration
FBIN 1
IN 2
GND 3
FS0 4
Configuration Options
FBIN FS0
OUT1 0
OUT1 1
OUT1 0
OUT1 1
OUT2 0
OUT2 1
OUT2 0
OUT2 1
BR93L86RFVM-WTR (IC201: 1U-3694)
C S
1
S K 2
DI
3
DO
4
TE
L 13942296513
NJM2274R (IC502: 1U-3695)
1
2
3
4
Power Save CTL
Yin 1 Clamp
Disc.
Cin 8 Bias
C Mute CTL
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8 OUT2
7 VDD
6 OUT1
5 FS1
FS1 OUT1 OUT2
0 2 X REF REF
0 4 X REF 2 X REF
1 REF REF/2
1 8 X REF 4 X REF
0 4 X REF 2 X REF
0 8 X REF 4 X REF
1 2 X REF REF
1 16 X REF 8 X REF
C S
V cc
8
INS T R UC T ION DE C ODE
C ONT R OL AND C LOC K
7 N.C .
G E NE R AT ION
N.C .
6
S K
G ND.
5
INS T R UC T ION
DI
R E G IS T E R
DO DUMMY B IT
8
TOP
7
VIEW
6
5
Vcc
7 2
Vref
+
+
7 2
GND
x ao
y
i
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8
Block Diagram
FS0
FS1
Phase
IN
Detector
Reference
Input
VCO
DE T E C T
S UP P LY
V OLT AG E
WR IT E
DIS AB LE
Q Q
3 6 7 1 3
ADDR E S S
ADDR E S S
10bits
DE C ODE
B UF F E R
DAT A R / W
R E G IS T E R 16bits AMP S
3 Vout
750
ohm
4 Vsag
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.
78
2 9 9 4 2 8
External feedback connection to
FBIN
OUT1 or OUT2, not both
÷Q
Charge
Pump
Loop
Filter
Output
Buffer
Output
÷2
Buffer
HIG E
V OLT AG E
G E NE R AT OR
1 5 0 5 8 2 9 9 4
10bits
16,384-bits
E E P R OM
16bits
m
co
S-301
9 9
OUT1
OUT2
2 8 9 9