Read Sony CFD-S40CP Service Manual online
37
CFD-S40CP
• IC BLOCK DIAGRAMS
IC1 TA2149N
IC2 LC72137M-TLM
GND1
3
2
1
IF REQ
AM
MIX
FM RF IN
AM LOW CUT
5
4
MIX OUT
VCC2
AF IF IN
8
7
6
FM IF IN
GND2
10
9
AGC
QUAD
12
11
R OUT
L OUT
FM RF OUT
22
23
24
20
21
17
18
19
15
16
13
14
AM RF IN
VCC1
FM OSC
ST IND
OSC OUT
AM OSC
IF OUT
LPF2/MO-ST
MPX IN
DET OUT
LPF1/BAND
FM
MIX
FM
OSC
LEVEL
DET
AM
DET
MUTE
FM
DET
ST/MO
FM/AM
AM
OSC
1/1OR
1/16
AGC
SW
ST
1/8
BUFF
BUFF
DIVIDE
DECODE
VCO
IF BUFF
AF BUFF
AF
FM RF
AM IF
FM IF
OCB
I/F
1
CE
2
DI
3
CL
4
DO
16
PD
VSS
15
VDD
14
13
MO/ST
20
X OUT
18
LP-OU
T
17
LP-IN
19
X IN
5
NUTE
6
MW/L
W
7
BAND
8
ST
-IND
9
BAND
DATA SHIFT REGISTER
LATCH
UNIVERSAL
CONTROLER
SWALLOW COUNTER
1/16. 1/17 4 BITS
12 BIT PROGRAMBLE
DIVIDER
UNLOCK
DETECTOR
PHASE DETECTOR
CHARGE PUMP
FILTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
10
IF-IN
12
FM-IN
AM-IN
11
20
19
18
17
16
15
14
13
12
11
3
VC
2k
2k
32k
15k
54k
6k
174k
154k
95k
24p
24p
12p
12p
32k
87k
4
5
6
7
8
9
10
1
2
VCC
LD ON
VCC
VCC
AGCCONT
RFTC
RF I
RF O
RFM
FE
FE BIAS
TE
AGCVTH
LD
PD
PD1
PD2
VEE
F
E
EI
VC
FOCUS
ERROR
AMP
TRACKING
ERROR
AMP
VC
VC
VCC
VEE
VEE
VC
VC
VC
VC
VC
VC
VC
VC
49
26k
260k
260k
8k
2k
6p
8k
2k
10k
10k
13.4k
6p
25k
15k
30k
30k
96k
30k
30k
13k
13k
VEE
VCC
VC
VC
670mV
50
µA
10k
55k
10k
10k
56k
10k
56k
1k
APC PD
AMP
APC LD
AMP
VEE
VEE
VREF 1.25V
VC
GND
CE
EXT
VOUT
VDD
CURRENT LIMIT
VREF
IC1005 RN5RF35BA-TR
IC1007 CXA2550M-T6
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