Audio Block Diagram - Panasonic DVD-KA84GA Service Manual

DVD-KA84GA / DVD-KA84PU

14.4. AUDIO BLOCK DIAGRAM

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