Main Circuit - Panasonic SA-VK880EE-K Service Manual

18.2. Main Circuit

1 2 3
SCHEMATIC DIAGRAM - 5
A
B MAIN CIRCUIT
C6922 R6921 R6922
0.01 39 39
B
D6930
B0BC5R1A0266 C6939
0.1
IC6931
C1AB00002773
C6937
C6921 C6928 R6940
ECHO PROCESSOR 0.022
0.1 1
R6942 R6943
C6932
10K
10V33 15K
1 VCC LPF1_IN 16
C6931 R6941
C6927
10V33
12K
1000P
2 REF LPF1_OUT 15
C6923
C6940
560P
C 0.1
3 14
A_GND LPF2_OUT
R6925 R6926
15K 15K
4 13
D_GND LPF2_IN
C6920
R6924
15K 4700P
5 NC OP2_OUT 12
R6923
C6918
12K
0.068
6 CLK OP2_IN 11
C6925
0.22
7 CC1 OP1_OUT 10
C6934
C6924
C6926
1
0.068
0.22
8 CC0 OP1_IN 9
D
C6935
1
L2006
G0C470JA0055
CN2751
12
9V_GND 1
C2006
9V (A9V) 2
TPS 3
E
K R2411 0
PB Lout 4
TO
R2412 0
DECK CIRCUIT PB Rout 5
(CN1303) REC 6
IN SCHEMATIC REC Lin 7
DIAGRAM - 13
REC Rin 8
AF_GND 9
MOTOR_9V 10
MOTOR GND 11
MOTOR 12
1
F
Q2011
B1GBCFJJ0051
INVERTER
G
H
4 5 6
: +B SIGNAL LINE : CD/DVD/TAPE AUDIO INPUT SIGNAL LINE
: -B SIGNAL LINE : AUX/MIC/MUSIC PORT AUDIO INPUT SIGNAL LINE
MIC_IN
R6901 0
C2124 R2124 C2128
8.2K 1
1
USB-REC-L
+7V
R2125
22K
R2225
C2224 C2228
MIC_OUT 1 22K 1
USB-REC-R
R2224
10K
8.2K
Q6907
B1GBCFJJ0051
MUTING ECHO_MUTE
R2122
0
REC_LIN
REC_RIN
Q6906 R2222
0
B1GBCFJJ0051
MIC_OUT
ECHO CONTROL
R6917 4.7K
C2198 R2193
MIX_L
0 6.8K
ASP_GND
R5308 0
ECHO_2
R6918 4.7K
Q6908
B1GBCFJJ0051
MIX_R
ECHO CONTROL R6919 2.2K
AUX_L
C2123 1 R2102 100
AUX_R C2223 1 R2202 100
ECHO_1
R6920 4.7K TUNER_L C2122 1
R2104 0
TUNER_R C2222 1 R2204 0
MPORT_L
C2120 1
MPORT_R
C2220 1
PBL C2119 1
+9V
PBR C2219 1
ASP_GND
16V470 AGND
TPS
-7V
PBL
FRONT_L
PBR
FRONT_R
R2976 0 REC
R2015 47K REC_LIN
MPORT_GND
REC_RIN
R2016 47K
M+9V_BE
MGND
R2010
1.5K
R1376
4.7K DVREF
MOTOR_L
+7V
BE_SUBW
C2311 1
R2308 1K
7 8 9
: CD/DVD VIDEO INPUT SIGNAL LINE : VIDEO OUTPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE : AM/FM SIGNAL LINE
1 2 3 4 5 6 7 8 9 10
100
99
98 AGND
[100]RECOUTL
97 MICIN
[99]RECOUTR
96 INL1 [MIX L]
95
INR1 [MIX R]
94 INL2 [AUX L]
93
INR2 [AUX R]
92 INL3 [TUNER L]
91
INR3 [TUNER R]
90 INL4 [M.PORT L]
89 INR4 [M.PORT R]
88 INL5 [TAPE L]
87 INR5 [TAPE R]
86
RMPORTL [82]FLIN
85 RMPORTR [81]FRIN
R2044 J0JHC0000034
84 AVCC
R2045 J0JHC0000034
AVEE
83
82
81
C2355
0
ASP_GND
80 79 78 77 76 75 74 73 72 71
R2305
2.2K
R2306
Q2300
R2307 0 820K
B1ABCF000176
AMP
TO MAIN
SECTION (4/6)
127
10 11 12
R2303 3.3K
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 C2303
C2302
0.1 0.068
R2301
31
15K
32
33
[31]SLFIN
34
C2301
[32]SLVOLOUT
SLSELOUT 35
[33]SLNFIN 1
36
SRSELOUT
[34]SLVOLIN C2401
SRVOLIN 37
1
38
SRNFIN
R2401 15K
IC2101
SRVOLOUT 39
0.1
C1AB00002735 C2403
40 C2402
SRFIN
R2403 0.068
3.3K
AUDIO SIGNAL PROCESSOR
SROUT 41
42 C2612
REARSROUT
5600P
AGND 43
R2627 47K
OPOUT2 44
R2611 27K
45
[48]SUBOUT OPIN2
R2612 39K
[49]SUBC OPOUT1 46
[50]AGC1
47
OPIN1
C2609
48
0.47
C2610
49
1
50
R2608
70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
R2609
560
C2604
16V10
C2310
0.022
C2014
50V3.3
(AGND)
1/6 2/6 3/6
4/6 5/6 6/6
SA-VK880EE MAIN
13 14
P1
4
FR_OUT
FL_OUT
COUT
SLOUT
SROUT
SUBW
C2617
0.047
C2611
0.082
56K
TO MAIN
SECTION (2/6)
CIRCUIT