Audio Block Diagram - Panasonic DVD-LS80EE Service Manual

DVD-LS80EE / DVD-LS80GN / DVD-LS80GCS / DVD-LS82EE

15.4. AUDIO BLOCK DIAGRAM

0.4Vp-p(200usec/div)
IC3001
(DV5.0)
VOUTR
ROUT 146
VOUTL
LOUT 144
AMUT
P5
80
QR4006
INV.
IC6001
(OPERATION MPU)
QR6001
AVIN
AVIN-INV 61 INV.
QR4014
72 INV.
SMUTE-H
QR4021
DVD-TUNER 62
INV.
HPSENSE-H
HPSENSE-H 64
IC6003
1
PWM 4
DCVOL 26
2
QR4015
POWERMUT
POWER-MUTE 63 INV.
HPMUT-L
HPMUT-L
27
AUXIN-H
AUXIN-H
60
QR4011
INV.
AJIN-L
AJIN-L 47
HPJIN-L
HPIN-L 46
IC4004
(SELECTOR))
AVIN
9 B
DVD-TUNER
10 A
14 X1 X 13
5 Y1 Y 3
11 X3
15 X2
4
Y3
2 Y2
QR4007
INV.
IC4006
(SW AMP)
IC4005(1/2)
2 1
QR4010 2 INA
INV.
IC4005(1/2)
6 7
3 INB
QR4005
MUTE CTL
4 O CNT
QR4002
MUTE CTL
IC4008
(AUDIO POWER AMP/DC VOLUME CONTROL)
24
R-IN
10 -
+
VOLUME
BIAS
CONTROL
+
L-IN
-
12 BIAS
HPSENSE
MODE
21
CONTROL
DC VOL
7
MUTE
5
S-DOWN
POWER
2
MANAGEMENT
19
OUTA 8
OUTB 5
QR4009
QR4004
(1/2)
MUTE
MUTE
CTL
QR4009
QR4003 (1/2)
MUTE
MUTE
CTL
48
:AUDIO SIGNAL
25
0.7Vp-p(200usec/div)
-
+
R-OUT-
26
-
R-OUT+
28
+
+ L-OUT+
15
-
L-OUT-
17
+
-
18
JK4001
7
5
4
AUDIO IN/OUT
2
3
1
QR4023(1/2)
MUTE
QR4023(1/2)
MUTE
QR4022(1/2)
MUTE
QR4022(1/2)
MUTE
DVD-LS80EE/GN/GCS/LS82EE
AUDIO BLOCK DIAGRAM
-
SPEAKER
R
+
+
SPEAKER
L
-
JK4004
1
2
3
HEAD
PHONE
4
5
7
JK4003
1
2
HEAD
3
PHONE
4
5
7