Sony CFD-S03CP Service Manual page 32

CFD-S03CP/S03CPL
• IC BLOCK DIAGRAMS
IC1 LV23003VA (MAIN Board (1/3))
AM
AM RF-IN 1
RF
2
REG
FM
FM-MIX 3
MIX
GND1 4
AM
AM MIX-OUT 5
MIX
6
VCC1
AGC
7
AM IF-IN AM AM
IF DET
FM IF-IN 8
FM FM
IF DET
FM
S-METER
IF
BUFFER
PIROT
P-DET 9
DET
FF
FF
P-COMP 10
COMPARATOR
FM-DET 11
L-OUT 12
DECODER
R-OUT 13
VSS 14
UNIVERSAL
COUNTER
DATA SHIFT
REGISTER
CE 15
LATCH
DI 16 CCB
I/F
CL 17
DO 18
CFD-S03CP/S03CPL
FM
36 FM RF-IN
RF
35 GND2
34 FM RF-OUT
33 VCC2
FM
32 FM OSC
OSC
AM
31 AM OSC
OSC
30 BO2
29 BO1
OSC
BUFFER
LOW-PASS 28 LP-OUT
FILTER
27 LP-IN
26 PD
25 AGC
24 AM LOW CUT
23 DET-OUT
SD
ST
TRIG
STSW
FF
PHASE VCO
MUTE 22 MPX-IN
POWER ON
21 VDD
RESET
PROGRAMMABLE
DIVIDER
SWALLOW
COUNTER
PHASE
DETECTOE
UNLOCK
CHARGE
DETECTOR
PUMP
20 X OUT
REFERENCE
19 X IN
DIVIDER
IC402 BA5947FM-E2 (BD83S Board)
28 27 26
– +
1 2 3
IC303 TA8227P (MAIN Board (3/3))
6 5 4
7 8 9
32 32
25 24 23 22 21 20 19 18 17
MUTING D D
+ –
INTERFACE
INTERFACE
INTERFACE
VREF D D
4 5 6 7 8 9 10 11 12
3 2 1
10 11 12
16 15
D D
LEVEL SHIFT
D D
13 14