Panasonic DVD-LS93P, Руководство по обслуживанию

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14.4. AUDIO BLOCK DIAGRAM
+ +
JK4001
D4001
6 7
2 1
8
7
9
1
5
4
2
3
VOLUME
BIAS
R-IN
L-IN
HPSENSE
DC VOL
S-DOWN
BIAS
CONTROL
QR4012(1/2)
MUTE
QR4006
MUTE
CTRL
QR4007
D+3.3V
MUTE
QR4003
MUTE
CTRL
QR4011
(1/2)
IC4002(1/2)
IC4002(1/2)
MUTE
QR4011
(1/2)
MUTE
QR4008
MUTE
QR4005(1/2)
QR4009(1/2)
QR4005(1/2)
Q4002
JACK-IN
DET.
MODE
CONTROL
QR4012(1/2)
MUTE
QR4013(1/2)
MUTE
QR4013(1/2)
MUTE
AUDIO OUT
5.5Vp-p(5usec./div.)
IC3001-171
4.0Vp-p(0.5msec./div.)
IC4001-14,15
:AUDIO SIGNAL
OPT OUT
JK4002
1
5
4
3
2
HEAD
PHONE
JK4003
1
5
4
3
2
28
26
R-OUT-
L-OUT-
R-OUT+
L-OUT+
15
17
24 25
19
10
12
21
POWER
MANAGEMENT
2
7
18
HEAD
PHONE
5
15
16
55
39
14
+
-
+
-
+
-
+
-
+
-
+
-
LPF
BUFFER
QR4009(1/2)
BUFFER
QR4004(1/2)
IC6002
BUFFER
QR4004(1/2)
BUFFER
D/A
ZERR/
ZEROA
MANAGER
CLOCK
SYSTEM
MODULATOR CONTROLLER
LPF
SIGNAL
LEVEL CTRL
SIGNAL
LEVEL CTRL
VOUTR
VOUTL
D/A
DATA
RCK
LRCK
SCK
PORT
SERIAL
AUDIO
8
7
6
(DV2.1)
(AUDIO DAC)
IC4001
(AUDIO POWER AMP/DC VOLUME CONTROL)
IC4003
171
170
169
HPSENSE-H
18 DCVOL
40 HPMUT-H
23 HPJOPEN-H
16
P10
(POWER MUT)
LRCK
163
DACCK
(DACSCK)
177 IECOUT
P13
(AMUT)
SRCK
IC3001
(OPERATION MPU)
IC6001
ADOUT3
(DMIX OUT)
SPEAKER
L
SPEAKER
R
-
-
+
+
4
1
2
DVD-LS90PP/93P
AUDIO BLOCK DIAGRAM
DVD-LS90PP / DVD-LS93P
40