Sony PMC-D307L - Main Section

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IC305 BA338
IC704 SM5877AM
– Main Section –
23 22 21
4 5 6321
2024
7dB
LOGIC
ALC1
DET
26dB
151617
987 10 11 12
1819 14 13
7dB
ALC2
26dB
15k
6k
6k
10k
10k
10k
10k
10k
10k
10k
10k
10k 10k
10k
10k
10k
10k
1k 1k
1k
1k
LINE
RADIO RADIO
TAPE
TAPETAPE
LINE IN1 INT EXT RADIO IN1 RADIO LINE RADIO IN2 TAPE TAPE LINE IN2 MIC IN REC PLAY PRE OUT1 PRE OUT2 VCC
LINE
TAPE
BUF AMP
A2
BUF AMP
B1
BUF AMP
B2
BUF AMP
A1
MIC
AMP1
MUTE
MUTE MUTE
ON
ON ON
NAB
AMP2
MONITOR
AMP
MONITOR
AMP
NAB
AMP1
REC
AMP2
REC
AMP1
REF AMP
2.1
NAB
OUT1
NAB
NF1
REC
OUT1
NAB
IN1
NAB
IN2
REC
OUT2
NAB
NF2
NAB
OUT2
MIC
NF
VREF
GND
ALC
ATTENUATION COUNTER
FILTER PROCESSOR &
ATTENUATION PROCESSOR
NOISE SHAPER
PROCESSOR BLOCK
INPUT INTERFACE
PWN DATA
PRODUCE
BLOCK
TIMING
CONTROL
1
2
3
4
5
6
7
89
10
11 12
13
14
15
16
17
18
19
202122
23
24
MUTE
DEEN
CKO
DVSS
BCKI
DI
DVDD
LRCI
TSTN
TO1
AVDDL
LO
AVSS
RO
AVDDR
MUTE
XVDD
XTI XTO XVSS DS RSTN MODE ATCK
L
L
L
R
R
R
9 8 7 6 5 4 3 2 1
S
R
Q
B+
COMPARATOR
COMPARATOR
COMPARATOR
F.F.
PRE AMP
VCC OUT NOISE FILTER MUTING GND NFB IN SENSE TIMING PULSE WIDTH
IC301 TA2068N