Ic Block Diagrams - Sony CFD-S39 Service Manual

• IC Block Diagrams

IC1 TA2104AN
GND1 1
FM RF
2
FM RF IN
AM
AM LOW OUT
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
IC301 TA2068N
ALC 1
NAB
2
OUT1
NAB
AMP1
BUF AMP
NAB
3
NF1
REC
AMP1
REC
4
OUT1
26dB
NAB
5
IN1
VREF 6
REF
AMP
GND 7
2.1
NAB
REC
8
IN2
AMP2
REC
9
OUT2
26dB
NAB
10
NF2
NAB
AMP2
NAB
11
OUT2
BUF AMP
MIC
AMP1
MIC
12
NF
FM
OSC
AM
OSC
BUFF
BUFF
LEVEL
DET
ST
IF BUFF
1/8
SW
AM
DET
IF REQ
AF BUFF
AF
FM
DET
ST/MO
FM/AM
VCO
DIVIDE
DECODE
LINE
TAPE
RADIO
A1
MONITOR
BUF AMP
MUTE
AMP
B1
ON 7dB
ON 7dB
BUF AMP
B2
MONITOR
MUTE
AMP
RADIO
TAPE
LINE
A2
IC2 LC72137-D
NC 1
24 FM RF OUT
CE 2
23
VCC1
DI
CCB
AM RF OUT I/F
22 CL 4
DO 5
21 FM OSC
20 AM OSC
19 OSC OUT
B01 6
18 ST IND
B02 7
B03 8
17 IF OUT
9
I01
16
DET OUT
I02 10
15
MPX IN
14 LPF2/MO-ST
13
LPF1/BAND
UNIVERSAL
COUNTER
11
IFIN
LINE AGND
24
IN1
IN1
INT
23 NF1
EXT
RADIO
BVN1
22
IN1
BIN1
REC
21
BVO1
PLAY
TIN1
TVO1
PRE
20
OUT1
OUT1
10
VCC
LOGIC
19 VCC
SC 11
PRE PORT1 12
18
OUT2
PORT2 13
RADIO PORT3 14
17
LINE
15
PORT4
DGND 16
RADIO
16
IN2
TAPE
15
TAPE
LINE
14
IN2
MIC
13
IN
– 41 –
REFERENCE
DIVIDER
PHASE
12BITS
DETECTOR
PROGRAMMABLE
CHARGE
DIVIDER
PUMP
UNLOCK
DETECTOR
POWER ON
SWALLOW
COUNTER
1/16,1/17
4BITS
IC302 BH3854AS
1
2
3
4
5
MATRIX
6
SURROUND
7
8
VR VR
9
22 NC
21 XOUT
XIN
20
19
AOUT
18
AIN
PD
17
16 VSS
15 VDD
RESET
14 B04
1/2 FMIN
13
12 AMIN
32
FILTER
31 IN2
30 NF2
29 BVN2
28 BIN2
27 BVO2
26 TIN2
25 TVO2
24 OUT2
23 VC
22 TC
BC
21
20
CK
19 DATA
18 LATCH
17 VREF