Philips MCM277/05 Service Manual page 19

PIN DESCRIPTION - RDS/RBDS PRE-PROCESSOR
SAA6588T
PINNING
SYMBOL PIN DESCRIPTION
MRO 1 m
MPTH 2 m
TCON 3
OSCO 4
OSCI 5
V 6 digital g 0 V)
SSD
V 7 digital supply v 5 V)
DDD
DAVN 8 data availab ve LOW)
2
SDA 9 I C-bus serial data I/O
2
SCL 10 I C-bus ser c
MRO 1
MPTH
2
TCON 3
OSCO 4
OSCI
5
SAA6588T
V SSD 6
V DDD 7
DAVN 8
SDA
9
SCL 10
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6-2
SYMBOL PIN DESCRIPTION
PSWN 11 pause s ve LOW)
MAD 12 slav
AFIN 13
V 14 v 5 V)
DDA
V 15 g 0 V)
SSA
MPX 16 multiple
V 17 ref v
ref
SCOUT 18
CIN 19 r
LVIN 20 lev
20 LVIN
19 CIN
18 SCOUT
17 V ref
16 MPX
15 V SSA
14 V DDA
13 AFIN
MAD
12
11 PSWN
MGK534
BLOCK DIAGRAM - POWER AMPLIFIER
TDA1517
BLOCK DIAGRAM
non-inverting
1
mute switch
input 1
60
k
VA
2
k
stand-by
switch
VA
15 k
x 1
supply voltage
3
ripple rejection
15 k
output
2
k
VA
non-inverting
9
input 2
60
k
mute switch
input
reference
signal
voltage
ground
2
SGND
6-2
C m
4
output 1
power stage
18 k
V P
8
mute/stand-by
switch input
stand-by
reference
voltage
mute
switch
mute
reference
voltage
TDA1517
18 k
6
output 2
C m
power stage
power
ground
(substrate)
7 5
MLC351
V P PGND