Panasonic SC-HT870 Service Manual page 248

R2058
R2056
R2057
C2000
0.1
R2080
10K
R2059 220
R2060 100
ST
R2061 220
S
R2062 220
K
R2063 220
A
R2064 100
R2065 10K
R2066 10K
R2067 10K
R2068 10K
R2072 100
R2073
220
SENS
100
R2074 R2075
39K 2.7K
C2001
0.1
R2076 100K
R2077 4.7K
R2084 22K
C2173
1
R2323
C2268
100K
1
C2824 R2903
R2912
50V4.7 27K
2.2K
R2905
56K
300
ABEB000001
uting Switch
Q2301
B1GDCFGA0014
Muting Control
R2909 C2174
1.8K 0.022
C2269
0.022
55
56K
47K
47K
80 79 78 77 76 75 74 73 72 71
81 MRSLED
82 DISC5 LED
83 DISC4 LED
84 MIC SW
85 DISC2 LED
86 DISC1 LED
87 FLD RST
88 FLD CS
89 FLD CK
90 FLD DA
91 KEY2
92 SPEAMA IN
93 DES3
94 DES2
95 DES1
96 AVSS
97 KEY1
98 VREF
99 AVCC
DISC
SENSE
1 2 3 4 5 6 7 8 9 10
R2514
R2176 R2513 C2827
10K
47K 27K 0.01
R2275 C2511
47K 9P
8 9 10 11 12
-VCC
+VCC
7 6 5 4 3
C2305 C2134
18P 100P
R2174
47K
R2273
R2316
R2315
47K
27K
22K
R2319
22K
R2318 C2826 C2307
27K 0.01 0.082
70 69 68 67 66 65 64 63 62 61 60 59
IC2018
C2CBHG000139
System Control
11 12 13 14 15 16 17 18 19 20 21 22
R2079
22K
R2512 C2512
R2516 C2829
10K 47
10K 0.1
C2509
330P
IC2021
C0ABCB000040
QUAD OP-Amp
13 14 8 7
C B
2 1 9 10
C2304
22P
R2914
47K1
R2314 C2306
22K 47
R2317
R2322
10K
22K
58 57 56 55 54 53 52 51
P02 50
VOL CK 49
VOL DATA 48
MUTE L 47
YC H 46
(RGB H)VMUTE3 45
DVD MUTE 44
/HP MUTE 43
MUTESUB 42
EPM 41
MUTE C 40
MUTE FRONT 39
WIDE1 38
DVD CLK 37
DVD STAT 36
DVD CMD 35
MUTE S 34
(VMUTE1) 33
VMUTE2 32
(TUN CE) 31
23 24 25 26 27 28 29 30
R2020 22K
R2011 47K
R2021 47K
R2022 47K
R2023 10K
R2861 10K
6 5 4 3 2 1
Z0 Z ZI Y0 Y1
IC2022
C0JBAR000292
Signal Select
A X0 X1 X Y
11 12 13 14 15 16
C2828
0.1
SA-HT870E,EB,EG MAIN CIRCUIT
R2037 1K
VOL CK
R2036 1K
VOL DA
MUTE L
R2035 220
YC H
R2034 220
V MUTE3
R2033 220
DVD MUTE
MUTE HP
SUBMUTE
EPM
MUTE C
MUTE F
R2031 220
WIDE1
R2030 220
DVD CLK
R2029 220
DVD STAT
R2028 220
DVD CMD
MUTE S
R2027 220
CLK
R2026 220
VMUTE2
R2025 220
TXD
R2032
220
R2024
47K
-7.5V
+7.5V
EXT R
FR OUT
FL OUT
R2913
470
D2101
B0BC5R000009
EXT L
SSS SUR
(PARTY)DSP CLK