Audio Block Diagram - Hitachi DV-P725U Service Manual

Audio Block Diagram

IC801 (AUDIO DAC)
SPDIF
PCM-BCK
1
PCM-DATA0 SERIAL
2
PORT
PCM-LRCLK
3
ADAC-MD
FROM
13
ADAC-MC
VIDEO
14 SERIAL
BLOCK
ADAC-ML
CONTROL
15
DIAGRAM
PCM-SCLK
A-MUTE
DATA(AUDIO) SIGNAL
4X/8X
ENPHANCED DAC
OVERSAMPLING
MULTI-LEVEL
DIGITAL FILTER
DELTA-SIGMA
/FUNCTION
MODULATOR DAC
CONTROLLER
ZERO DETECT
SYSTEM CLOCK
16
DVD MAIN CBA UNIT
AUDIO SIGNAL
CN701
18 SPDIF
CN701
L-CH
LPF+AMP 7 13 AUDIO-L
15 AUDIO-R
R-CH 12 A-L-MUTE
8
LPF+AMP
14 A-R-MUTE
16 A-MUTE
12
11
IC1204
FIBER OPTIC
TRANS. MODULE
W F 6
CN1601 Q1351
18 AMP
IC1201 (AMP)
W F 4
CN1601 3
1
13 2
15
12
6
14 7
WF 5
5
16
VREF
HPR
HPL
Q1202
Q1204
Q1201
+3.3V
Q1203
+3.3V
AV CBA
JK1201
DIGITAL
AUDIO OUT
AUDIO-L
OUT
AUDIO-R
OUT
CN2701
2 AUDIO-R
4 AUDIO-L
VR2701
HEADPHONE
VOLUME
IC2701
(HP AMP)
5 3
7 1
JK2701
HEADPHONE
JACK
HEADPHONE CBA
4-2-6