Read Panasonic SA-VK880EE / SC-VK880EE Service Manual online
127
18.2. Main Circuit
SA-VK880EE MAIN
CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO MAIN
SECTION (2/6)
TO MAIN
SECTION (4/6)
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 5
P1
4
P1
K
TO
DECK CIRCUIT
(CN1303)
IN SCHEMATIC
DIAGRAM - 13
DECK CIRCUIT
(CN1303)
IN SCHEMATIC
DIAGRAM - 13
12
1
: AUDIO OUTPUT SIGNAL LINE
: AUX/MIC/MUSIC PORT AUDIO INPUT SIGNAL LINE
: AM/FM SIGNAL LINE
: VIDEO OUTPUT SIGNAL LINE
: CD/DVD/TAPE AUDIO INPUT SIGNAL LINE
: CD/DVD VIDEO INPUT SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
MIC_OUT
C6919 1500P
C6918
0.068
R6926
15K
R6925
15K
R6924
15K
15K
R6943
R6942
10K
C6923
560P
12K
R6941
C6937
0.022
ECHO_MUTE
4700P
C6920
R6907
10K
B1GBCFJJ0051
Q6907
0
R6944
R6940
10K
R6927
4.7K
C6933
1
1
C6928
C6927
1000P
C6931
10V33
R6923
12K
0.1
C6940
C6932
10V33
C6921
0.1
R6921
39
R6922
39
+7V
C6939
0.1
D6930
B0BC5R1A0266
C6922
0.01
R2010
1.5K
R2015
47K
R2016
47K
R1376
4.7K
R2976
0
R2009 1.5K
C2010
0.01
REC_RIN
+9V
REC
REC_LIN
DVREF
7
9
10
8
4
5
1
3
2
6
12
11
CN2751
R2412
0
R2411
0
Q2011
B1GBCFJJ0051
C2009 0.01
G0C470JA0055
L2006
C2006
16V470
AGND
M+9V_BE
MGND
MOTOR_L
PBL
PBR
ASP_GND
C6924
0.068
Q6906
B1GBCFJJ0051
ECHO_2
R6917
4.7K
R6918
4.7K
C6934
1
MIC_IN
R6901
0
ECHO_1
R6920
4.7K
Q6908
B1GBCFJJ0051
R6919
2.2K
C6935
1
C6926
0.22
C6925
0.22
7
5
6
1
2
4
3
10
12
14
15
16
13
11
8
9
IC6931
C1AB00002773
1.8K
R2115
6.8K
R2502
1.8K
R2215
0.047
C2502
R2503
6.8K
C2503
0.033
FR_OUT
FL_OUT
C2204 0.47
C2104 0.47
R2402
5.6K
R2302
5.6K
R2245
0
R2213 5.6K
R2214
4.7K
R2113 5.6K
R2145
0
R2114
4.7K
C2407
10
C2304
10
C2408
0.022
C2307
10
SURR_R
SURR_L
C2312
1
4.7K
R2119
12K
R2304
12K
R2404
R2219
4.7K
0.15
C2306
3300P
C2305
C2404
10
0.15
C2406
3300P
C2405
5600P
C2216
C2218
0.068
0.15
C2217
C2103
1
0.01
C2214
0.015
C2215
0.15
C2117
0.068
C2118
C2116
5600P
C2115
0.015
C2310
0.022
HBASS_OUT
68K
R2022
0.047
C2202
0.047
C2102
R2203
27K
68K
R2021
R2609
560
R2614
68K
R2613
6.8K
C2603
0.022
16V10
C2604
16V10
C2602
0
R2668
C2601 50V22
C2308
0.022
C2309
0.082
27K
R2103
1.5K
R2120
1.5K
R2220
50V3.3
C2014
ASP_CLK
HBASS_IN
SW5V
ASP_DATA
ASP_GND
1
C2401
15K
R2401
R2403
3.3K
C2612
5600P
C2403
0.1
R2301
15K
3.3K
R2303
0.068
C2302
1
C2301
C2303
0.1
C2617
0.047
SUBW
R2627
47K
C2402
0.068
R2612
39K
C2609
0.47
R2610
22K
R2608
56K
1
C2610
R2611
27K
C2611
0.082
C2221
0.18
C2121
0.18
C2203
1
R2501
12K
C2501
50V3.3
470P
C2113
R2133
4.7K
C2213
470P
REC_LIN
USB-REC-R
1
C2224
USB-REC-L
1
C2124
6.8K
C2105
100K
R2205
8.2K
R2224
4.7K
R2233
1000P
C2125
R2221
33K
C2225
1000P
1
C2228
1
C2128
22K
R2125
22K
R2225
R2124
8.2K
33K
R2121
100K
R2208
100K
R2108
R2105
100K
BE_SUBW
1K
R2308
R2211
4.7K
100P
C2106
R2111
4.7K
C2206
100P
100P
C2415
100P
C2315
1
C2119
PBR
PBL
1
C2219
AUX_L
REC_RIN
MIC_OUT
C2198
0
R2222
0
R2122
0
6.8K
R2193
TUNER_R
MPORT_R
MPORT_L
AUX_R
TUNER_L
TUNER_L
1
C2120
1
C2220
100
R2102
0
R2104
0
R2204
R2202
100
1
C2223
1
C2123
1
C2222
1
C2122
MPORT_GND
0
C2355
47K
R2201
3300P
C2101
MIX_R
47K
R2101
+7V
R2410
5.6K
R2310
5.6K
-7V
0.01
C2017
0.01
C2020
10V33
C2018
B1ABCF000176
Q2300
R2305
2.2K
R2306
820K
CENTER
R2601
12K
2200P
C2605
ASP_GND
FRONT_L
FRONT_R
R2504
15K
0
R2307
C2311
1
680P
C2504
C2114
0.01
3 4
2
5
98
94
95
92
91
93
97
96
96
1
100
99
80
78
76
77
79
87
86
86
88
89
82
84
83
83
81
85
90
16
14 15
17
11
13
12
69
67
65 64
66
68
70
51
49
45
47
46
41
44
42
43
48
50
30
39
37
35
32
31
34
33
36
38
40
22 23
20 21
26
28
27
24 25
18 19
53
55
57
62
60 59
61
63
58
56
54
29
52
75
73
71
72
74
9
7
6
8
10
C1AB00002735
IC2101
MIX_L
0
R5308
ASP_GND
J0JHC0000034
R2044
J0JHC0000034
R2045
3300P
C2201
C2208 1000P
C2108 1000P
SYS_GND
CC1
OP1_OUT
CC0
OP1_IN
REF
LPF1_OUT
NC
CLK
D_GND
A_GND
OP2_OUT
OP2_IN
LPF2_IN
LPF2_OUT
VCC
LPF1_IN
REC
TPS
TPS
MOTOR
9V_GND
PB Rout
AF_GND
MOTOR_9V
REC Lin
REC Rin
PB Lout
9V (A9V)
MOTOR GND
LF
RF
TTR
TMR1
TMR2
LIN
TML2
TBL1
TTL
AGND
TML1
AGND
TBL2
SRIN
SLIN
AGND
SUBIN
INR1 [MIX R]
INR2 [AUX R]
INL2 [AUX L]
INL3 [TUNER L]
INR3 [TUNER R]
INL1 [MIX L]
RMPORTR
AVCC
AVCC
CIN
AVEE
RMPORTL
INL4 [M.PORT L]
INR5 [TAPE R]
INL5 [TAPE L]
INR4 [M.PORT R]
MICIN
RIN
[82]FLIN
[81]FRIN
[81]FRIN
[99]RECOUTR
AUDIO SIGNAL PROCESSOR
[48]SUBOUT
AGND
OPOUT2
OPIN2
SROUT
SROUT
REARSROUT
[50]AGC1
OPIN1
OPOUT1
[49]SUBC
[31]SLFIN
[34]SLVOLIN
SRFIN
SRNFIN
SRVOLIN
SRSELOUT
SRVOLOUT
SLSELOUT
[32]SLVOLOUT
[33]SLNFIN
[33]SLNFIN
RSIN
LCIN
LSIN
(AGND)
SF
RCIN
EXTOUTL
DGND
EXTINR
EXTINL
CLOCK
AGC2
DVDD
DATA
MIXCAPL1
MIXCAPR1
MIXCAPR2
WIDECAP
SUBVOLIN
MIXCAPL2
SUBSELOUT
EXTOUTR
[100]RECOUTL
TBR1
AGND
CFIN
TBR2
COUT
CVOLIN
FRVOLIN
FLVOLIN
FLOUT
FLFIN
FRFIN
FROUT
CSELOUT
FRSELOUT
FLVOLOUT
FLSELOUT
FRVOLOUT
CNFIN
SLOUT
COUT
SLOUT
REARSLOUT
CVOLOUT
AMP
ECHO PROCESSOR
MUTING
ECHO CONTROL
ECHO CONTROL
INVERTER
