Audio - Panasonic SA-PT550E Service Manual

SA-PT550E / SA-PT550EB / SA-PT550EG

18.6. Audio

:MAIN SIGNAL LINE :FM SIGNAL LINE
Q1009
Q1100
FROM MUTING CN1001 CN2008
SCART MUTE
SYSTEM CONTROL CONTROL
12
Q1200
JK1001
21PIN AV JACK
L OUT
CN1001 CN2008
A(A)OUT 3
19
R OUT
CN1001 CN2008
A(B)OUT 1
15
L IN
CN1001 CN2008
A(A)IN 6
18
R IN
CN1001 CN2008
A(B)IN 2
16
TUNER PACK
CN2002
5
CN2002
7
JK2001
AUX L
JK2001
AUX R
FP8101 CN2001
39
FP8101 CN2001
37
FP8101 CN2001
35
FP8101 CN2001
33
FP8101 CN2001
31
FROM
FP8101 CN2001
DVD
29
(AUDIO)
FP8101 CN2001
27
FP8101 CN2001
25
FROM ASP CLK
SYSTEM
CONTROL
ASP DAT
CN2007 CN6902
15
CN2007 CN6902
13
TO
SYSTEM CONTROL
:AUX, MUSIC PORT SIGNAL LINE
MUTING
IC2101
C1AB00002735
AUDIO SIGNAL PROCESSOR
MUTING
LINEOUT L RECOUTL
100 AMP
LINEOUT R RECOUTR
99
TV LCH INL4
90
INR4
TV RCH
89
TONE
RMPORT L
86
RMPORT R
85
TUN L-CH
INL3
92
TUN R-CH
INR3
91
FMPORT L INL5
88
FMPORT R INR5
87
AUX L-CH AMP
INL2
94
AUX R-CH
INR2
93
MIX L INL1
96 AMP
MIX R INR1
95
DVD FL FL IN
82
DVD FR FR IN
81
DVD SL SL IN
79
AMP
DVD SR SR IN
78
DVD CNT
C IN
80
AMP
DVD SUBW SUB IN
77 77
AMP H BASS
CLOCK
62
MCU
DATA
I/F ASS
63
MIC IN
AMP
97
JK6802
MUSIC PORT
IC6107
C0ABBB000230
7
MUSIC PORT AMP
6
+ 1
3
1 _
2 MPORT L-CH
2
MPORT R-CH
+
5 3
7 _
6
MPORT
4
5
MPORT
FLSEL OUT FLVOL IN
12
13
FLVOL OUT
FRSEL OUT FRVOL IN
21 20
FRVOL OUT
SLSEL OUT SLVOL IN
35 34
SLVOL OUT
SRSEL OUT SRVOL IN
AMP 32
36 37
SRVOL OUT
39
CSEL OUT CVOL IN
22 23
CVOL OUT
AMP
25
SUBSEL OUT
SUBVOL IN
60 52
AGC
SUBOUT
AMP
48
46
OP IN 1
47
AMP
OP OUT 1
46
78
Q2201
FROM
MUTING
HP MUTE
CONTROL SYSTEM CONTROL
IC2751
C0ABBB000350
OPERATIONAL AMP
TO
SYSTEM CONTROL
LEVEL
SENSE 1
PROTECTION
SENSE 2
CIRCUIT
Q2103
IC2102
MUTING
C0AABB000125
HEADPHONES AMP
+
14 5
7
-
6
19
+
3
1
-
2
Q2101
MUTING
FLF IN
15
FRF IN FRF IN
18
FL OUT
16
FR OUT
17
SLF IN SL OUT
31 30
SRF IN
40
SR OUT
41
CF IN C OUT
26 27
OP IN 2 OP OUT 2
45 AMP 44
SA-PT550E/EB/EG AUDIO BLOCK DIAGRAM
JK6801
HEADPHONES
7
6
1
CN2020 CN6901 HP L-CH
2
6
HP R-CH
3
CN2020 CN6901
8 4
TO SYSTEM CONTROL
HP DETECT 5
CN2009 CN5050
FRONT L
1 17
CN2009 CN5050
FRONT R
3 15
SURROUND L CN2009 CN5050
TO
7 11
AUDIO
SURROUND R CN2009 CN5050
DIGITAL AMP
9 9
CN2009 CN5050
CENTER
11 7
SUBWOOFER CN2009 CN5050 TO AUDIO
DIGITAL AMP
5 13