Audio - Panasonic SA-VK470EE Service Manual

SA-VK470EE

18.6. Audio

: MAIN SIGNAL LINE : DVD AUDIO SIGNAL LINE : AM / FM SIGNAL LINE
Q6910
FROM
MIC MUTE
MIC MUTE MUTING
SYSTEM CONTROL
JK6001
MIC
IC6000
5 C0ABBB000230
MIC AMP
4
VR6001
3 + MIC VOLUME JOG
7 +
3 CN6702
-
2 6 1
-
2
3
7
8
1
TO
ZJ6601 CN6702 MIC SW
SYSTEM CONTROL
2
CN1305 CN2803
PB L
8
FROM DECK
CN1305 CN2803
PB R
9
TUNER PACK
TN2802
TUN L
LCH 5
TUN R
RCH 7
FP8101 CN2801 MIX L
12 39
FROM
DVD (AUDIO)
FP8101 CN2801 MIX R
14 37
ZFLAG
ZFLAG
JK6810
MUSIC PORT
7
6
1
MPORT L CN6807
2
5
MPORT R CN6807
3
3
4
5
FROM/TO
SYSTEM CONTROL
CN2806 CN6807 MPORT SW
5 6
AUX
JK2802
1
L AUX L
2
R AUX R
3
ASP CLK
ASP CLK
ASP DAT
ASP DATA
: TAPE RECORD SIGNAL LINE : TAPE PLAYBACK SIGNAL LINE
IC2803
C1BB00001121
AUDIO SIGNAL PROCESSOR
ZJ6601 CN6001 CN2807 OP-IN (MIC)
56 OP-OUT
5 15 13 55
GAIN CONTROL
0 ~ +30dB / 2dBstep
+ GV OUT L
54
-
GAIN CONTROL
0 ~ +30dB / 2dBstep
GV OUT R
+
16
-
IN-L1 (PB L)
1
REF OUT
15
-
REF IN
+ 14
IN-R1 (PB R)
2
IN-L2 (TUN L)
3
IN-R2 (TUN R)
4
IN-L3 (MIX L)
5
IN-R3 (MIX R)
6
Q2051 Q2052
MUTING VCC
MUTING
38
CONTROL
CN2806 IN-L4 (MPORT L)
7
6
CN2806 IN-R4 (MPORT R)
8
8
IN-L5 (AUX L)
9
IN-R5 (AUX R)
10
CLK
39
MCU I/F
DATA
40
: AUX / MIC / MUSIC PORT SIGNAL LINE
IC2103
C0ABBB000230
MIX AMP
+
3 REC L
1
REF L -
2
5 +
REC R
REF R 7
-
6
52 18
BASS L2
45
BASS L1
46
MID L2
47
MID L1
48
TRE L
49
REC SW
ON
+
OFF -
REC SW
ON
+
HB MIX IN OFF
19 -
MIX
HB MIX OUT
20
HB FLT OUT
21 +
-
+
PRE VOLUME
D2191
0 ~ -28dB / 2dBstep
HARMIN
SURROUND
22
HARM H.BASS MIX
HARMOUT
PRE VOLUME
23
0 ~ -28dB / 2dBstep
HB ATT IN +
24
-
ATT
HB ATT OUT
25
HB LPF IN
LPF 2ord
26
HB LPF OUT
27
SUR2
50
SUR1
51
BASS R2
34
BASS R1
33
MID R2
32
MID R1
31
TRE R
30
+9V
94
D2332
+9V
Q2142
LCH AUTO
GAIN CONTROL
53 17
Q2242
D2241
LCH AUTO
GAIN CONTROL
TONE
TREBLE/MID/BASS
Q2502
MUTING
Bypass/Tone
Bypass/MIX
IC2804
+ TOUT L
C0AABB000125
44
-
FRONT AMP
POST VM L
43
+
3
POST VOLUME
1
+ L OUT -
0 ~ -62dB / 1dBstep 42 2
-
Bypass/MIX
Bypass/Tone
+ TOUT R
35
-
POST VM R
36
+
5
POST VOLUME
7
+ R OUT -
0 ~ -62dB / 1dBstep 37 6
-
Q2366
MUTING
TONE
TREBLE/MID/BASS
REC LIN CN2803 CN1305
12
TO DECK
CN1305
REC RIN CN2803
13
TO
LM L
LM L
SYSTEM CONTROL
Q2501
MUTING MUTE A FROM
MUTE A
CONTROL
SYSTEM CONTROL
Q2143 Q2243
MUTING MUTING
CN5050
FRONT L CN2808
1 17
TO
DIGITAL AUDIO AMP
FRONT R CN2808 CN5050
3 15
JK6800
HEADPHONE
7
6
1
CN2806 CN6807 HP L
2
1 10
CN2806 CN6807 HP R
3
3 8
4
5
TO
HP SW CN6807 CN2806
7 4 SYSTEM CONTROL
SA-VK470EE AUDIO BLOCK DIAGRAM