Read Panasonic SA-VKX80GA / SA-VKX80GC / SA-VKX80GS Service Manual online
117
18.3. Main Circuit
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
D
B
E
G
H
F
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 5
SA-VKX80GA/GC/GS MAIN CIRCUIT
3/8
4/8
7/8
2/8
6/8
8/8
1/8
5/8
TO MAIN
SECTION (2/8)
SECTION (2/8)
TO MAIN
SECTION (5/8)
SECTION (5/8)
P1
P1
: +B SIGNAL LINE
: -B SIGNAL LINE
J
TO
SMPS CIRCUIT
(CN5802)
IN SCHEMATIC
DIAGRAM - 19
SMPS CIRCUIT
(CN5802)
IN SCHEMATIC
DIAGRAM - 19
: AM SIGNAL LINE
: AM/FM SIGNAL LINE
: FM SIGNAL LINE
: VIDEO OUTPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: AUX/MIC/MUSIC PORT AUDIO INPUT SIGNAL LINE
: TAPE AUDIO INPUT SIGNAL LINE
TO
MUSIC PORT
CIRCUIT (CN6807*)
IN SCHEMATIC
DIAGRAM - 21
MUSIC PORT
CIRCUIT (CN6807*)
IN SCHEMATIC
DIAGRAM - 21
L
REC_LIN
REC_RIN
USB-REC-L
ASP_GND
R2014
100
R2004
47K
C2003
1
R2001
47K
C2002
1
USB-REC-R
R2008
3.3K
3.3K
R2009
R2017
3.3K
3.3K
R2018
1
C2011
3.3K
R2049
R2016
3.3K
C2005
1
1
C2013
R2013
100
R2048
3.3K
R2015
3.3K
1
C2009
C2006
1
C2007
1
1
C2056
56K
R2044
R2045
68
A9V
0.1
C2063
C2059
16V220
C2055
3.3
1000P
C2015
C2021
1000P
C2060
1000P
C2037
R2029
C2033
C2031
R2034
3300P
10K
0.47
0.01
0.12
0.018
C2042
C2039
0.01
1.2K
0.47
C2008
1
C2016
1000P
C2010
1
C2017
1000P
10V33
C2022
R2041
3.9K
C2053
4.7
C2044
C2046
3.3K
R2039
3.3K
R2038
R2037
5.6K
C2049
0.1
C2054
R2040
47K
C2050
0.22
0.22
C2052
50V3.3
50V3.3
C2051
ASP_CLK
R2033
10K
0.01
0.018
C2041
C2038
0.01
3300P
0.12
0.47
C2030
C2032
R2028
1.2K
C2036
R2043
1K
0.068
C2058
R2036
5.6K
C2043
B1ABCF000176
SWITCH
Q2001
C2048
3300P
0.47
C2045
R2042
8.2K
0.01
C2014
C2020
1000P
C2061
1000P
51
49
47
45
42
43
40
41
44
46
48
50
25
20
16
15
18
19
17
23
24
21
22
26
38
35
36
30
32 31
27
29 28
34 33
37
39
6
1
4
2
3
5
52
8
9
7
11 12
10
13
14
MIX_R
0
R2005
R2007
4.7K
0
K2000
TUNER_R
PBR
AUX_R
R2011
4.7K
R2012
0
BE_MIX_L
MIX_L
0
R2000
TUNER_L
PBL
AUX_L
C2000
1
BE_MIX_R
0
R2002
1
C2001
ROUT
MONOUTA
LOUT
CLIP_ATTN
ASP_DATA
MONOUTB
1
3
2
4
JK3200
AUX_R
AUX_L
R3200
10K
R3201
10K
C3203
100P
C3202
100P
C3201
680P
C3200
680P
RCH
LCH
AUX IN
R3203
10K
R3202
10K
+18V
DC_DET
PCONT
AM_BP
SYNC
SYS3.3V
6
8
9
7
2
1
4
5
3
10
11
ZJ2701*
K2007
0
Z2002
HP_SW
NC
GND
DC_GND
DC_DET
DC_GND
SYNC
TEMPD
SYS3.3V
AM_BP
DC18V
DC18V
PCONT
3
2
1
[26] SURTC
[14] BPF2
[15] BPF3
[15] BPF3
VOL2CAPA
IC2001
C1AB00003256
ASP
GND
TONEB1B
TONEB2B
SRFIL
TONEM1B
TONEM2B
SDA
V+
SCL
OUTB
VOL2CAPB
EXTSENSE
INT
TONEB1A
TONEM1A
TONEM2A
TONEB2A
BPF1
OUTA
IN3B
[39] NC
IN1B
IN2B
RECOUTB
MONOUTB
IN2A
IN1A
IN3A
[1] NC
IN5A
RECOUTA
MONOUTA
IN6B
VREF
IN6DIFF
IN5B
NC
IN6A
NC
NC
NC
IN4A
IN4B
NC
VOLINA
VOLINB
TONEHB
TONEHA
NOTE: “ * ” REF IS FOR INDICATION ONLY
3.3K
R2006
3.3K
R2010
C2012
1
C2004
1
MPORT_R
MPORT_L
3.3K
R2046
R2047
3.3K
MPORT_GND
TEMP_D
R2701
0
CN2402
HP_L
HP_R
HP_GND
CHASSIS_GND
HP_SW
MPORT_SW
MPORT_L
MPORT_GND
MPORT_R
3
2
6
7
4
5
1
9
8
HP_LCH
HP_RCH
MPORT_SW
MPORT_L
MPORT_GND
MPORT_R
0
0
R3781
R3780
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