Panasonic DVD-KA84GA, Руководство по обслуживанию

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14.4. AUDIO BLOCK DIAGRAM
QR4009
(1/2)
MUTE
QR4009
(1/2)
MUTE
QR4001
MUTE
CTL
MUTE
CTL
QR4002
QR4003
MUTE CTL
MUTE
JK4001
1
5
7
4
2
3
AVJIN-L
HPJIN-L
AV OUT
15 KARAPON-H
43
MICJIN-L
LOUTMUTE-L
LOUTMUTE-L
31
40 HPJIN-L
41 AVJIN-L
(OPERATION MPU)
IC6001
IC4801 IC4851
DVD-KA84GA/PU
AUDIO BLOCK DIAGRAM
2 1
IC4005(1/2)
AUDIO MAIN SIGNAL
(DV5.0)
(KARAOKE) (POWER CTL)
146
144 G_LOUT
IC3001
G_ROUT
0.4Vp-p(200usec/div)
2 1
IC4007(1/2)
6 7
IC4007(1/2)
6 7
IC4005(1/2)
R-IN
L-IN
INR1
INL1
151 ADOUT
ZEROFLAG
50 P5
AMUT
C
D
E
F
A 10
X0
X
12
Y0 1
13
Y 3
(SELECTOR)
IC4012
1 ON/OFF 4 VOUT 2
VCC
5
MIC
IN
28
OUT
G_KARA
QR4005
MUTE
QR4004
1
3
2
MIC
IN
SPEAKER
R
SPEAKER
L
-
-
+
+
L-OUT-
L-OUT+
OUTL-
OUTL+
GAINL
EVROUTL
EVROUTR
GAINR
R-OUT+
(AUDIO POWER AMP/DC VOLUME CONTROL)
IC4008
0.7Vp-p(200usec/div)
INR3
INL3
R-OUT-
OUTR+
OUTR-
24
13
AUX
38
MONOUTR
MONOUTL
INL1
20
INR1
17
7
3
30
34
27 28
10 9
+
-
+
-
+
-
+
-
25
12
A
B
DVD-KA84GA / DVD-KA84PU
40