Philips MCM275 - Page 18

6-1 6-1
MAIN BOARD
TABLE OF CONTENTS
Internal IC Diagram ............................................... 6-1 to 6-5
Main Board(5757) Layout Top View ................................ 6-6
Main Board(5757) Layout Bottom View .......................... 6-7
Circuit Diagram - Main Board(5757) ............................... 6-8
Main Board(5762) Layout Top View ................................ 6-9
Main Board(5762) Layout Bottom View ........................ 6-10
Circuit Diagram - Main Board(5762) ............................. 6-11
HP Jack Board ............................................................... 6-12
Electrical Parts List ........................................................ 6-13
BLOCK DIAGRAM - RDS/RBDS PRE-PROCESSOR
SAA6588T
BLOCK DIAGRAM
MGK535
10 k
"
10
k"
470
k"
57 kHz
8th ORDER
BAND-PASS
PAUSE
DETECTOR
MULTI-PATH
DETECTOR
CLOCKED
COMPARATOR
SIGNAL QUALITY
DETECTOR
RDS/RDBS
DEMODULATOR
INTERFACE
REGISTER
POWER
SUPPLY
AND RESET
TEST
CONTROL
C10
C9 100 nF
DAVN
data available pause output
multi-path output
8
71918
11
2
9
10
VNICT
UOCS
DDD
560 pF
OSCILLATOR
AND CLOCK
I
2
C-BUS SLAVE
TRANSCEIVER
I
2
C-BUS
RDS/RDBS
DECODER
multiplex
input
audio
inputs
level
input
4
4
SAA6588
TCON MRO
100
nF
C6
100 nF
C8
C11
C2 C3
20
14
13 16
R3
R2
2.2 nF
330 pF
LVIN
V
DDA
AFIN
MPX
C7
2.2 嘕F
0.47 嘕F
0.47
嘕F
C1
3
1
OSCI
5
Q1
n h4.332
MHz
n = 1 to 4
OSCO
4
R1
C5
82 pF
C4
47 pF
1 k"
MAD
12
V
SSD
6
R4
V
ref
V
SSA
17
15
5
5 V

5 V
PSWN MPTH
SDA
SCL