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DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS
14.4. AUDIO BLOCK DIAGRAM
IC3004-169
5.0Vp-p(5usec./div.)
IC3004
IC4003
(DV3.2)
(AUDIO DAC)
DATA
ADOUT3
169
6
(DMIX OUT)
AUDIO
BCK
SRCK
168
7
SERIAL
PORT
LRCK
LRCK
167
8
CONTROLLER
SYSTEM
SCK
DACCK
166
5
CLOCK
(DACSCK)
MANAGER
16
ZERR/
IECOUT
173
ZEROA
D4003
P13
80
(AMUT)
IC6002
(OPERATION MPU)
XBSON-H
P65
62
HPSENSE-H
P67
64
IC6003
1
4
P10
26
2
POWERMUT
P66
63
HPMUT-L
27
P11
AJIN-L
P45
47
HPJOPEN-H
P44
46
IC4003-14,15
4.0Vp-p(0.5msec./div.)
VOUTR
D/A
LPF
14
MODULATOR
VOUTL
D/A
LPF
15
QR4016
BUFFER
QR4014
MUTE
QR4015
IC4005(1/2)
BUFFER
2
1
IC4005(1/2)
6
7
D4004
QR4004
MUTE
CTRL
IC4008
(AUDIO POWER AMP/DC VOLUME CONTROL)
24
R-IN
-
10
+
VOLUME
BIAS
CONTROL
+
L-IN
12
-
BIAS
QR4006(1/2)
MUTE
QR4013
QR4006(1/2)
BUFFER
MUTE
HPSENSE
MODE
21
CONTROL
DC VOL
7
MUTE
5
S-DOWN
POWER
2
MANAGEMENT
19
QR4011
MUTE
QR4010
D+3.3V
SWITCHING
Q4002
JACK-IN
DET.
QR4009
D4007
(1/2)
MUTE
QR4005
QR4009
(1/2)
BUFFER
MUTE
48
:AUDIO SIGNAL
25
-
+
R-OUT-
26
-
R-OUT+
28
+
+
L-OUT+
15
-
L-OUT-
17
+
-
18
1
2
3
4
5
JK4001
1
8
2
7
OPT OUT
3
9
4
5
5
4
2
AUDIO OUT
3
1
QR4702(1/2)
MUTE
QR4702(1/2)
MUTE
QR4703(1/2)
MUTE
QR4703(1/2)
MUTE
DVD-LS91EE/GN/GCS
AUDIO BLOCK DIAGRAM
-
SPEAKER
R
+
+
SPEAKER
L
-
JK4703
HEAD
PHONE
JK4702
HEAD
PHONE
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