Audio - Panasonic SA-PT250GCP Service Manual

17.5. Audio

:MAIN SIGNAL LINE :FM SIGNAL LINE :AUX/ MIC/ MUSIC PORT SIGNAL LINE
TUNER PACK
CN2002
5
CN2002
7
JK2001
AUX L
JK2001
AUX R Q2202
FP8101 CN2001
39
MUTING
FP8101 CN2001
37
FP8101 CN2001 Q2102
35
MUTING
FP8101 CN2001
33
Q2302
FP8101 CN2001
31
MUTING
FROM
FP8101 CN2001
DVD
29
(AUDIO)
Q2502
FP8101 CN2001
27
MUTING
FP8101 CN2001
25
FROM ASP CLK
SYSTEM
CONTROL
ASP DAT
H7000 CN2013
1
CN2007 CN6902
15
CN2007 CN6902
13
TO
SYSTEM CONTROL MPORT
IC2101
C1AB00002735
AUDIO SIGNAL PROCESSOR
RECOUTL
AMP
100
RECOUTR
99
INL4
90
INR4
89
TONE
RMPORT L
86
RMPORT R
85
TUN L-CH INL3
92
FLSEL OUT
12
TUN R-CH INR3 FRSEL OUT
91 21
FMPORT L INL5
88
INR5
FMPORT R
87
AMP
AUX L-CH 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
SLSEL OUT
AMP
DVD SR SR IN 35
78
SRSEL OUT
36
DVD CNT C IN
80
CSEL OUT
AMP 22
DVD SUBW
SUB IN
77 77
SUBSEL OUT
AMP 60
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
FLVOL IN
13
FRVOL IN FLVOL OUT
14
20
FRVOL OUT
19
Q2101
MUTING
SLVOL IN
34
SLVOL OUT SLF IN
SRVOL IN
AMP 32 31
37
SRVOL OUT SRF IN
39 40
CVOL IN
23 CF IN
CVOL OUT
AMP
25 26
SUBVOL IN
52
AGC
SUBOUT
AMP
48
46
OP IN 1
47
AMP
OP OUT 1
OP IN 2
46 45 AMP
IC7100
IC7200
C1BB00001061
C0ABBB000230
DIGITAL DELAY WITH ECHO VOLUME
MIC AMP
LPF2OUT
20KBIT SRAM
+ 5 9 LPF2
7 _
6
Q7100
MUTING
ECHO MUTE
MAIN
D/A
CONTROL
Q7102
ECHO LV1 SWITCH
FROM/TO
Q7101
SYSTEM
CONTROL AUTO
ECHO LV2 SWITCH OSC
RESET
CN2013 H7000
MIC SW
5
71
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
+
5 CN2020 CN6901 HP L-CH
7
-
6 6
HP R-CH
3 +
CN2020 CN6901
1
-
2 8
TO SYSTEM CONTROL
HP DETECT
FLF IN
15
FRF IN FRF IN
18
FL OUT CN2009 CN5050
FRONT L
16
1 17
FR OUT FRONT R CN2009 CN5050
17
3 15
SL OUT SURROUND L CN2009 CN5050
30
7 11
SURROUND R
SR OUT CN2009 CN5050
41
9 9
CN5050
C OUT CENTER CN2009
27
11 7
OP OUT 2 SUBWOOFER CN2009 CN5050 TO AUDIO
44
DIGITAL AMP
5 13
IC7000
C0ABBB000230 MIC VOLUME
MIC AMP
VR7001
_ _
ASP MICIN
LPF1IN 2 6
LPF1 2 1 7
+ +
3 5
MIC SW
A/D
SA-PT250GCP AUDIO BLOCK DIAGRAM
SA-PT250GCP
JK6801
HEADPHONES
7
6
1
2
3
4
5
TO
AUDIO
DIGITAL AMP
MIC 2
JK7002
7
6
1
2
3
4
5
MIC 1
JK7001
7
6
1
2
3
4
5