Harman Kardon HK 3490 Service Manual page 49

harman/kardon
Philips Semiconductors
Radio Data System (RDS) demodulator
PINNING
SYMBOL
QUAL
RDDA
V
ref
MUX
V
DDA
V
SSA
CIN
SCOUT
MODE
TEST
V
SSD
V
DDD
OSCI
OSCO
T57
RDCL
handbook, halfpage
QUAL 1
RDDA 2
V ref 3
MUX 4
V DDA 5
V SSA 6
CIN 7
SCOUT 8
Fig.2 Pin configuration.
1997 Feb 24
PIN
1 quality indication output
2 RDS data output
3 reference voltage output (0.5V
4 multiplex signal input
5 +5 V supply voltage for analog part
6 ground for analog part (0 V)
7 subcarrier input to comparator
8 subcarrier output of reconstruction filter
9 oscillator mode/test control input
10 test enable input
11 ground for digital part (0 V)
12 +5 V supply voltage for digital part
13 oscillator input
14 oscillator output
15 57 kHz clock signal output
16 RDS clock output
16 RDCL
15 T57
14 OSCO
13 OSCI
SAA6579
12 V DDD
11 V SSD
10 TEST
9 MODE
MGD684
DESCRIPTION
)
DDA
handbook, halfpage
1
QUAL
RDDA 2
3
V ref
MUX 4
SAA6579T
5
V DDA
V SSA 6
7
CIN
SCOUT 8
Fig.3 Pin configuration.
4
HK 3490/230 Service Manual
Product specification
SAA6579
16
RDCL
15 T57
14
OSCO
13 OSCI
12
V DDD
11 V SSD
10
TEST
9 MODE
MGD685
Page 49 of 70