Sony CFD-S40CP Service Manual page 37

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