Mitsubishi Electric DD-4020 Service Manual page 17

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Audio Block Diagram
IC801 (AUDIO DAC)
WF10
WF11
SPDIF
PCM-SCLK
FROM
1
PCM-DATA0
VIDEO
2
BLOCK
PCM-LRCK
3
WF9
ADAC-MD
FROM
13
ADAC-MC
SYSTEM
14
CONTROL
ADAC-ML
15
BLOCK
PCM-MCLK
TO
VIDEO
A-MUTE
BLOCK
DATA(AUDIO) SIGNAL
4X/8X
ENPHANCED
DAC
OVERSAMPLING
SERIAL
MULTI-LEVEL
DIGITAL FILTER
PORT
DELTA-SIGMA
/FUNCTION
MODULATOR
DAC
CONTROLLER
ZERP DETECT
SERIAL
CONTROL
SYSTEM CLOCK
16
MAIN CBA UNIT
1-6-9
VIDEO SIGNAL
AUDIO SIGNAL
CN701
12
WF12
CN701
L-CH
LPF+AMP
7
15
17
R-CH
14
LPF+AMP
8
16
18
12
11
CN1601
Q1351
SPDIF
12
AMP
REF
IC1201
(AMP)
CN1601
3
1
AUDIO-L
15
2
AUDIO-R
17
A-L MUTE
14
6
A-R MUTE
16
7
5
A-MUTE
18
Q1202
Q1204
Q1201
+3.3V
Q1203
+3.3V
AV CBA
1-6-10
JK1202
DIGITAL
AUDIO OUT
JK1201
AUDIO-L
OUT
AUDIO-R
OUT
E5540BLA

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