Panasonic SA-HT920P Service Manual page 116

Dvd home theater sound system
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SCHEMATIC DIAGRAM-5
MAIN CIRCUIT
: +B SIGNAL LINE
C2177
16V47
R2620
R2308
R2179
R2166
1.8K
1.8K
1K
1.8K
Q2600
Q2103
Q2105
B1GDCFGA0014
B1GDCFGA0014
B1GDCFGA0014
Muting Control
Muting Control
Muting Control
R2621
R2309
R2168
56K
56K
56K
R2622
C2617
R2310
C2170
R2167
C2168
27K
50V4.7
27K
50V4.7
27K
50V4.7
R2812
2.2K
C2036
50V22
L2010
22u
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC2006
C9ZB00000431
Video Selector IC
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
C2047
C2046
C2038
6.3V330
6.3V330
10V220
R2886
R2887
R2888
R2889
R2890
75
75
75
75
75
R2891
75
C2808
C2807
C2806
C2805
C2804
C2803
100P
100P
100P
100P
100P
100P
: -B SIGNAL LINE
: DVD(VIDEO) SIGNAL LINE
R2266
R2897
1.8K
1K
STBY LED
Q2029
Q2201
Q2602
B1GDCFGA0014
B1GDCFJJ0023
B1GBCFJN0021
Muting Control
LED Drive
PCONT
R2267
56K
R2268
C2267
27K
50V4.7
R2971
0
R2973
0
R2972
0
OUT
IN
X2000
H2B100500004
10MHz
GND
R2807
10K
WIDE1
Q2004
D2000
L2000
B1GBCFJN0021
B0ACCE000003
3.3u
Switch
C2008
0.1
R2082
R2083
D2002
47K
680
B0ACCE000003
D2001
C2009
C2007
B0ACCE000003
C2006 50V2.2
6.3V
VREF+
0.1
100
C2003
C2004
C2005
D2003
Q2000
10V22
0.01
10V1000P
B0ACCK000005
B1GBCFLL0028
Reset Switch
R2878
1
R2879
1
R2880
1
R2881
1
R2882
1
C2136
C2236
R2130
R2230
R2131
R2231
R2133
R2233
R2883
1
220P
220P
10K
10K
10K
10K
10K
10K
R2884
1
R2885
1
C2801
100P
R2127
R2227
R2129
R2229
R2132
R2232
R2134
R2234
C2802
100P
100K
100K
10K
10K
10K
10K
10K
10K
C2137
0.1
C2237
0.1
C2138
C2238
C2139
C2239
C2141
C2241
C2140
680P
220P
220P
100P
100P
100P
100P
R2128
R2228
C2240
680P
1K
1K
AV JACK
JK2001
K2YZ12000010
R2058
56K
R2056
47K
R2057
47K
C2000
0.1
DISC3
80
79
78
77
76
75
74
73
(LINE SW)
R2080
10K
R2059 220
MRSLED
81
MRSLED
DISC5
82
DISC5 LED
DISC4
83
DISC4 LED
DISC3
84
DISC3 LED
DISC2
85
DISC2 LED
DISC1
86
DISC1 LED
R2060 100
FLD RST
87
FLD RST
R2061 220
FLD CS
88
FLD CS
R2062 220
FLD CK
89
FLD CK
R2063 220
FLD DA
90
FLD DA
R2064 100
KEY2
91
KEY2
92
SPEAMA IN
R2065 10K
93
DES3
R2066 10K
94
DES2
R2067 10K
95
DES1
R2068 10K
96
AVSS
R2072 100
KEY1
97
KEY1
98
VREF
99
AVCC
R2073
220
DISC SENS
DISC
100
SENSE
R2074
R2075
39K
2.7K
1
2
3
4
5
6
7
C2001
0.1
R2076
100K
R2077
4.7K
R2084
22K
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
VOL DATA
(RGB H)VMUTE3
DVD MUTE
/HP MUTE
MUTESUB
IC2018
C2CBJG000404
System Control
MUTE FRONT
DVD CLK
DVD STAT
DVD CMD
(VMUTE1)
VMUTE2
(TUN CE)
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
R2079
22K
P02
50
R2037 1K
VOL CK
VOL CK
49
R2036 1K
VOL DA
48
MUTE L
MUTE L
47
R2035 220
YC H
YC H
46
R2034 220
V MUTE3
45
R2033 220
DVD MUTE
44
MUTE HP
43
SUBMUTE
42
EPM
EPM
41
MUTE C
MUTE C
40
MUTE F
39
R2031 220
WIDE1
WIDE1
38
R2030 220
DVD CLK
37
R2029 220
DVD STAT
36
R2028 220
DVD CMD
35
MUTE S
MUTE S
34
R2027 220
CLK
33
R2026 220
VMUTE2
32
R2025 220
TXD
31
R2032
220
R2024
47K
R2020
22K
R2021
47K
R2022
47K
R2023
10K
R2861
10K

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