Philips MX3550D/37S - Block Diagram

3K9
3.3K
PD
16
11
9
8
7
6
2
3
4
5
1718
29
1
46 58
7
3
24 2422 13 15
1819202122239
1
27
13
14
4
5
12
16
1
2
6
13
14
1
20
Synthesizer IC
lC7213M
TUNER BOARD
RDS IC
BU1923F
RADIO IC
LA1837
VDD
RDATA
4.5MHz
DO
CLK
DI
CE
AM
FM
IF REQ
STEREO/MONO
IF IN
A IN
VT
ANT
AGC
FM FRONTEND
VT
VCC
FM TUNER +12V
OSC OUT
IF OUT
FM
AM
QUAL
MUX
4.332
+5V
+5V
RCLK
LPF
VDD1
VDD2
VSS
15
RF AMP AM MIX
AM IF
IF-BUFFER
AGC
AM OSC
MIXER
TUNER INDSD COMPFM LEVER
S-CURVE
DECODER
STEREO
SW
FM DET
FM IF
AMP L-OUT
R-OUT
MUTE
AMP
FILTER
FILTER LPF
POWER ON RESET
UNLOCK DETECTOR
UNIVERSAL
COUNTER
DATA
SHIFT
REGISTER
LATCH
PHASE DETECTOR
CHARGE PUMP
12 BITS PROGRAMABLE
DIVIDER
SWALLOW COUNTER
1/16, 1/17, 4 BITS
REFERENCE
DIVIDER
8th Switched
capacitor filter
PLL 57KHz
RDS/ARI
PLL
1187 5KHz
REFERENCE
CLOCK
BI-PHASE
DECODER
DIFFERENTIAL
DECODER
CCB
I/F
AM DET
BLOCK DIAGRAM
6-2
6-2