JVC KD-S713R Service Manual page 23

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3 7 63 1515 0
SAA6579T-X (IC71) : RDS detector
1.Terminal Layout
QUAL 1
RDDA 2
Vref 3
MUX 4
VDDA 5
GND 6
CIN 7
SCOUT 8
TE
L 13942296513
3.Block Diagram
ANI-
4
ALLUDING
FILTER
8
CLOCKED
7
COMPARATOR
5
REFERENCE
3
www
VOLTAGE
.
6
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2.Pin Function
Pin
No.
16
RDCL
1
15
T75
2
14
OSCO
3
13
OSC1
4
12
VDD
5
11
GND
6
10
TEST
7
9
MODE
8
9
10
11
12
13
14
15
16
5kHz
BAND PASS
(8th ORDER)
COSTAS LOOP
VARIABLE AND
FIXWD DIVIDER
CLOCK
REGENERATION
AND SYNC
x ao
y
i
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8
Symbol I/O
Non connect
-
QUAL
RDS data output
O
RDDA
Reference voltage output
O
Vref
Multiplex signal input
I
MUX
+5V Supply voltage for analog
-
VDDA
Ground for analog part (0V)
-
GND
Sub carrier output of reconstruction filter
I
CIN
Ground for digital part (0V)
O
SCOUT
Ground for digital part (0V)
-
MODE
Ground for digital part (0V)
-
TEST
Ground for digital part (0V)
-
GND
+5V supply voltage for digital part
-
VDD
Oscillator input
I
OSC1
Oscillator output
O
OSC0
Q Q Non connect
-
T75
3 6 7 1 3
RDS clock output
O
RDCL
OSCILLATOR
RECONSTRUCTION
FILTER
BIPHASE
SYMBOL
DECODER
TEST LOGIC AND OUTPUT
SELECTOR SWITCH
u163
.
9
KD-S713R/KD-S711R
2 9 9 4 2 8
Function
1 5 0 5 8 2 9 9 4
12
13 14
DUALITY BIT
AND
GENERATOR
DIVIDER
DIFFERENTIAL
DECODER
m
co
10 11
9 9
2 8 9 9
1
2
16
15
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