Sony PMC-R30L Service Manual page 29

IC3 BU1924
1
QUAL
DEFFERENTIAL
RDATA 2
DECODER DECODER
VREF 3 ANTI-ALIASING
CAPACITOR FILTER
VREF
4
MUX
5
VDD1 ANALOG
VSS1 6
VSS3 7
CMP
8
IC301 TA2068N
ALC 1
NAB
2
OUT1
NAB
AMP1
BUF AMP
NAB
3
A1
NF1
REC
AMP1
REC
4
OUT1
26dB
NAB
5
IN1
6
VREF
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
A2
AMP1
MIC
12
NF
IC303 BA5417
BS BS
1 2 3 4 5 6 7
PLL
BIPHASE PLL
57KHz
1187.5Hz
RDS/ARI
8TH SWITCHED
COMPARATOR
LINE
TAPE
RADIO
MONITOR
BUF AMP
MUTE
AMP
B1
7dB
ON
ON 7dB
BUF AMP
B2
MONITOR
MUTE
AMP
RADIO
TAPE
LINE
FILTER
STBY
8 9 10 11 12 13 14 15
RCLK
16
(NC)
15
CLOCK 14 X2
&
13 X1
DRIVER
VDD2
DIGITAL 12
11 VSS2
T1
10
TEST
T2
9
LINE
AGND
24
IN1
IN1
INT
23
NF1
EXT
RADIO
BVN1
22
IN1
BIN1
REC
21
BVO1
PLAY
TIN1
TVO1
PRE
20
OUT1
OUT1
VCC
LOGIC
19 VCC
PRE
PORT1
18
OUT2
PORT2
RADIO
PORT3
17
LINE
PORT4
DGND
RADIO
16
IN2
TAPE
15
TAPE
LINE
14
IN2
MIC
13
IN
– 39 –
IC302 BH3854AFS
1
2
3
4
5
MATRIX
6
SURROUND
7
8
VR VR
9
10
SC 11
12
13
14
15
16
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