Sony PMC-107 Service Manual page 30

• IC Block Diagrams
IC1 TA2008AN
1
FM RF IN
FM
RF
GND1 2
FM
MIX
MIX OUT 3
AM
MIX
AGC 4
AGC
VCC2 5
FM
FM IF IN
6
IF
AM AM
7
AM IF IN
IF
DET
LEVEL
8
GND2
DET
FM
9
QUAD
DET
ST
10
ST IND
DET
L OUT 11
MUTE
12
R OUT
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
7
GND
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
AM
AM RF IN
24
RF
23 FM RF OUT
AM
22 AM OSC
OSC
FM
FM OSC
21
OSC
BUFF 20 VCC1
BUFF
1/8 DIV 19 OSC OUT
IF
18 IF OUT
BUFF
AF
17 DET OUT
BUFF
16 MPX IN
AM/FM
ST/MONO
SW
15 LPF1/BAND
FM
14 LPF2/MO-ST
MPX
VCO
13
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 BU2615S
XOUT 1
XIN 2
NC 3
CE 4
CK 5
DA 6
CD 7
P0 8
9
P1
P3 10
P4 11
IC302 BH3854AFS
LINE 1
AGND
24
IN1
IN1 2
INT
23 NF1 3
EXT
RADIO
BVN1 4
22
IN1
5
BIN1
REC
21
6
BVO1
PLAY
TIN1 7
TVO1 8
PRE
20
OUT1 9
OUT1
VCC 10
LOGIC
19 VCC
SC 11
PRE
PORT1 12
18
OUT2
PORT2 13
RADIO
PORT3 14
17
LINE
PORT4 15
DGND 16
RADIO
16
IN2
TAPE
15
TAPE
LINE
14
IN2
MIC IC303 LA4597
13
IN
– 45 –
UNLOCK
PHASE
REFERENCE
DET
DIVIDER
MAIN
COUNT
I/O
CTL
PRESCALER
20 BIT
COUNT
IF
COUNT
CTL
BUFFER
32
FILTER
31 IN2
30 NF2
29 BVN2
28
BIN2
MATRIX
27 BVO2
SURROUND
26 TIN2
25 TVO2
VR VR
24 OUT2
23 VC
22 TC
21 BC
20 CK
19 DATA
18 LATCH
17 VREF
CH-1
BIAS
CIRCUIT
CH-2
STANDBY
SWITCH
T.S.D
1 2 3 4 5 6 7 8 9 10 11 12 13
22
VSS
21
PD1
20
NC
19
VDD1 VDD2
18
17 FMIN
AMIN
16
15 P2
14 IFIN
13 P6
12 PD2/P5