Tda7330B (Ic402) Front P.w.b.; Pin Function - Denon DRA-700AEDAB Service Manual

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3 7 63 1515 0

TDA7330B (IC402) FRONT P.W.B.

PIN FUNCTION

Nr.
1
2
3
4
5
6
7
8
9 OSC OUT
10
11
12
13
14
TE
L 13942296513
15
16
17
18
19
20
BLOCK DIAGRAM
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Name
MUXIN RDS input signal.
V Reference voltage
ref
COMP Not inverting comparator input (smoothing filter)
FIL OUT Filter Output
GND Ground
T1 Testing output pin (not to be used)
T3 Testing output pin (not to be used)
T4 Testing output pin (not to be used)
Oscillator output
OSC IN Oscillator Input
T57 Testing output pin: 57KHz clock output
RDCL RDS clock output (1187.5Hz)
RDDA RDS data output
QUAL Output for signal quality indication (High = good)
ARI Output for ARI indication (High when RDS + ARI signals are present)
V Supply Voltage
CC
T2 Testing output pin (not to be used)
Frequency selector pin: open = 4.332MHz, closed to V
FSEL
TM Test mode pin (open = normal RUN)
(closed to V
POR Reset Input for testing (active high)
x ao
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8
Description
Q Q
3 6 7 1 3
(High when only ARI is present)
(Low when only RDS is present)
(indefined when no signal is present)
= Test mode)
CC
u163
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13
DRA-700AE/700AEDAB/500AE
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
= 8.664MHz
CC
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9 9
2 8 9 9