Audio - Panasonic SA-VK870EE Service Manual

SA-VK870EE

18.6. Audio

: MAIN SIGNAL LINE : DVD AUDIO SIGNAL LINE : AM / FM SIGNAL LINE
JK6810
MUSIC PORT
7
6
1
CN6807 CN2806
2
5 6
CN6807 CN2806
3
3 8
4
5
TO
CN2806 CN6807 MPORT SW
SYSTEM CONTROL
5 6
TUNER PACK
TN2802
LCH 5
RCH 7
AUX
JK2802
1
L
2
R
3
CN1305 CN2803
8
FROM DECK
CN1305 CN2803
9
Q2051 Q2052
FROM
MUTING
ZFLAG
ZFLAG MUTING
SYSTEM CONTROL CONTROL
FP8101 CN2801
12 39
FP8101 CN2801
14 37
FP8101 CN2801
16 35
FP8101 CN2801
18 33
CN2801
FP8101
20 31
FROM
FP8101 CN2801
DVD (AUDIO)
22 29
FP8101 CN2801
24 27
Q2300
FP8101 CN2801
BUFFER
26 25
ASP CLK
FROM/TO
ASP DATA
SYSTEM CONTROL
ZJ6601 CN6702 MIC SW
2
IC6000
C0ABBB000230
5
MIC AMP
4
VR6001
+ MIC VOLUME JOG
3
+
7 3 CN6702
JK6002 -
2 6 1
-
MIC 2 2
3
7
8
IC6931
1 C1AB00002773
ECHO PROCESSOR
REF
2
5
4
AUTO
RESET
2
JK6001
MIC 1
3 MO
44K Bits
RAM
4 DGND
7
MI
8
CLK
1 6 VCO CLOCK
Q6907
ECHO MUTE
ECHO MUTE
MUTING
Q6908
ECHO
ECHO 1
ECHO 1
CONTROL
DO0
FROM
SYSTEM CONTROL Q6906
ECHO 2 ECHO DO1
ECHO 2
CONTROL
Q6909
ECHO
ECHO 3
ECHO 3
CONTROL
: TAPE RECORD SIGNAL LINE : TAPE PLAYBACK SIGNAL LINE
IC2101
C1AB00002735
AUDIO SIGNAL PROCESSOR
AMP
MPORT L INL4
90
MPORT R INR4
89
TUN L
INL3
92
TUN R INR3
91
TONE
AUX L
INL2
94
AUX R
INR2
93
AMP
PB L INL5
88
PB R INR5
87
MIX L INL1
96
AMP
MIX R
INR1
95
FRONT L FLIN
82
FRONT R FRIN
81
SURR L SLIN
79
AMP
SURR R SRIN
78
CENTER
CIN
80
AMP
SUBW
SUBIN
77 77
SUBSEL OUT
AMP
H BASS
ASP CLK
62
MCU
ASP DATA I/F ASS
63
AMP
97
ZJ6601 CN6001 CN2807
5 15 13
LPF1 IN
1/2 VCC
16
LPF1
LPF1 OUT
15
DI
LPF2 OUT
14
LPF2
+ -
LPF2 IN
13
OP2 OUT
12
+ -
OP2 IN
11
OP1 OUT
10
OP1 IN
9
CC1
MOD 8
CC0
DEM 7
: AUX / MIC / MUSIC PORT SIGNAL LINE
FLSEL OUT FLVOL IN
12
13
FRSEL OUT FRVOL IN
21 20
SLSEL OUT SLVOL IN
35 34
SLVOL OUT
SRSEL OUT
SRVOL IN AMP 32
36 37
SRVOL OUT
39
CVOL IN
CSEL OUT
22 23
CVOL OUT
AMP 25
SUBVOL IN
60 52
AGC
SUBOUT
AMP 48
OP IN 1
47
AMP
OP OUT 1
HBASS 46
CIRCUIT
IC2104
C0ABCB000088
OP-AMP
Q2600,Q2602
98
RECOUTL
100
RECOUTR
99
D2332
+7V
Q2341
MUTING
Q2221
Q2340
MUTING
MUTING
Q2222
MUTING
IC2340
C0AABB000125
HEADPHONE AMP
+
5
7
FLVOLOUT FLVOLOUT
-
14 6
+
3
FRVOLOUT FRVOLOUT 1
-
19 2
FLF IN FLFIN
15
FRF IN FRFIN
18
IC2380
C0ABBB000230
MIX AMP
+
5
FL OUT 7
FL OUT -
16 6
+
3
FR OUT 1
FR OUT
-
17 2
SLF IN SL OUT SLOUT
31 30
SRF IN
40
SR OUT SROUT
41
CF IN C OUT
COUT
26 27
OP IN 2
OP OUT 2 SUBW
45 AMP 44
Q8030
D8030
MUTING
CN2803 CN1305
REC LIN
12
TO DECK
CN2803 CN1305
REC RIN
13
LM L
LM L
FROM/TO
SYSTEM CONTROL
Q2342
MUTING
HP MUTE
CONTROL
JK6800
HEADPHONE
7
6
1
CN2806 CN6807
HP L
2
1 10
CN2806 CN6807 HP R
3
3 8
4
5
CN6807 CN2806
HP SW
7 4
FROM/TO
Q2371
Q2370
SYSTEM CONTROL
MUTING
MUTING MUTE S C
CONTROL
FRONT L CN2808 CN5050
1 17
FRONT R CN2808 CN5050
3 15
SURROUND L CN2808 CN5050
7 11
SURROUND R CN2808 CN5050
9
TO
CN2808 CN5050
CENTER DIGITAL AUDIO AMP
11 7
SUBWOOFER CN2808 CN5050
5 13
QR8031
Q8031
MUTING
MUTING MUTE F
CONTROL
FROM
Q2601 SYSTEM CONTROL
SWITCH
HBASS SW
SA-VK870EE AUDIO BLOCK DIAGRAM