Sony CXFD-S03CP Service Manual page 76

CFD-S03CP/S03CPL
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3 7 6 3 1 5 1 5 0
• 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
T E
L 1 3 9 4 2 2 9 6 5 1 3
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
18
DO
w w w
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
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IC201 TK63115SCL-G@GT (BD90 Board)
VDD 1
GND 2
V REF
ON/OFF THERMAL &
CONTROL OVER CURRENT
PROTECTION
3
CE
IC303 UTC8227S (MAIN Board (3/3))
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3 7 6
6 5 4
7 8 9
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22 22
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2 4
8 9 9
IC401 BA5826SFP-E2 (BD90 Board)
5
VOUT
VO1- 1
CH1
VO1+ 2
3
IN1
REGULATOR,BIAS
4 NC
RESET 4
REGB 5
REGOUT 6
MUTE 7
8
GND
IN2' 9
IN2
10
VO2+ 11
CH2
VOL- 12
3 1 5 1 5 0 8 GND 13 9 2
OPOUT 14
3 2 1
10 11 12
m
c o
.
2
8 9 9
28 GND
27 VOL-
CH4
LEVEL
26 VOL+
SHIFT
LEVEL
13.3K
SHIFT
25 IN4
T.S.D.
DROP
24 IN4'
100
23 BIAS
VCC 22 VCC
VCC 21 VCC
20
IN3'
19 IN3
LEVEL
SHIFT
LEVEL
SHIFT
18 VO3+
CH3
17 VO3-
4 9 8 2 9 9 16 RESET
15 OPIN