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Schematic Diagram; Main Circuit - Panasonic SA-BT300PX Service Manual

Blu-ray disc home theater sound system.
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16 Schematic Diagram

16.1. Main Circuit

1
2
3
SCHEMATIC DIAGRAM - 23
A
B
MAIN CIRCUIT
B
C
D
C2905
1
RECOUT_L
RECOUT_R
C2906
1
BP1DMIXL
BP1DMIXR
AUXL
AUXR
TUNERL
TUNERR
iPodL
iPodR
E
C2017
C2018
A+7V
BD_FL
BD_FR
A-7V
C2019
C2020
F
G
H
4
5
6
: +B SIGNAL LINE
: -B SIGNAL LINE
: BD/DVD AUDIO INPUT SIGNAL LINE
K2201
0
K2101
0
1
2
3 4
5
6
7
8
9
10
11
12
13
14 15
16
17
18 19
20 21
22 23
24 25
26
27
100
99
98
AGND
97
MICIN
[99] RECOUTR
[31] SLFIN
[100] RECOUTL
[32] SLVOLOUT
96
INL1 [MIX L]
[33] SLNFIN
95
INR1 [MIX R]
94
INL2 [TV L]
93
INR2 [TV R]
92
INL3 [FM L]
IC2101
91
INR3 [FM R]
C1AB00002735
90
INL4 [iPod L]
AUDIO SIGNAL PROCESSOR
89
REARSROUT
INR4 [iPod R]
88
FMPORTL
87
FMPORTR
0.1
86
[81] FRIN
[48] SUBOUT
[82] FLIN
[49] SUBC
85
16V47
[50] AGC1
84
AVCC
83
AVEE
82
81
16V47
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65 64
63
62
61
60 59
58
57
56
55
54
0.1
C2015
220P
C2016
220P
C2310
0.022
C2014
50V4.7
C2011
0.1
7
8
9
: iPod/AUX/MIC AUDIO INPUT SIGNAL LINE
: iPod VIDEO INPUT SIGNAL LINE
R2505
R2506
3.9K
3.3K
C2511
C2312
C2422
1
0.047
0.047
R2303
C2401
R2405
R2306
R2406
8.2K
4.7
3.9K
3.3K
3.3K
C2301
R2305
28
29
30
R2301
4.7
3.9K
C2303
C2302
0.068
0.047
33K
31
R2402
32
2.2K
33
SLVOLIN
34
SLSELOUT
35
SRSELOUT
36
SRVOLIN
37
SRNFIN
38
R2401
33K
SRVOLOUT
39
C2403
0.068
SRFIN
40
R2403
8.2K
C2402
SROUT
41
0.047
42
AGND
43
OPOUT2
44
C2611
C2612
2200P
R2612
R2611
8.2K
OPIN2
45
33K
R2627
120K
0.1
OPOUT1
46
OPIN1
47
C2617
C2609
0.22
C2610
0.22
0.12
48
49
50
R2609
6.8K
53
52
51
91
10
11
12
: AUDIO OUTPUT SIGNAL LINE
: FM SIGNAL LINE
FROUT
FLOUT
C_OUT
SL_OUT
C2411
1
C2311
1
R2421
1K
C232
1
R2321
1K
C230
1
C2130
0.027
FLOUT
R2183
1.2K
C2230
0.027
FROUT
R2283
1.2K
R2617
1.5K
OPOUT2
C2313
0.018
SL_OUT
R2312
1.5K
C2413
0.018
SR_OUT
R2412
1.5K
C2510
C2509
0.018
OPOUT2
1
C_OUT
R2510
680
D2604
D2602
MA2J1110GL
MA2J1110GL
D2603
D2601
MA2J1110GL
MA2J1110GL
Q353
B1GFGCAA0001
SWITCH
6
1
Q354
5
2
B1ABGC000005
SWITCH
4
3
R361
R360
R359
1.2K
1.2K
1.2K
1/8
2/8
3/8
4/8
TO MAIN
SECTION (5/8)
5/8
6/8
7/8
8/8
13
14
P1
AGND
SR_WLOUT
SL_WLOUT
FL_OUT
FR_OUT
SW_OUT
SL_OUT
SR_OUT
CNT_OUT
WS_CNT
TO MAIN
SECTION (2/8)
SA-BT300PX MAIN CIRCUIT

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