Panasonic SA-HT670PC Service Manual page 63

Dvd home theater sound system
Table of Contents

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SCHEMATIC DIAGRAM-3
MAIN CIRCUIT
CN2004
DVD STAT
1
DVD CMD
2
DVD CLK
3
4
5
6
M+9V
7
8
9
10
D+1.2V
11
12
13
14
DVD A+5V
15
R2895
16
10K
DVD D+5V
17
18
DVD MUTE
19
20
Q2028
B1GBCFJN0021
21
Muting Switch
22
23
24
TO
C2600 1
R2600 2.7K
SUBW
25
DVD MODULE
CIRCUIT
26
C2500 50V10
R2500 10K
(FP8101)
ON
DVDCNT
27
SCHEMATIC
28
DIAGRAM-1
C2400 50V10
R2400 10K
DVDSR
29
30
C2300 50V10
R2300 10K
DVDSL
31
32
C2256 1
R2256 10K
DVDFR
33
34
C2156 1
R2156 10K
DVDFL
35
36
C2257 50V10
R2257 10K
DVD MIXR
37
38
C2157 50V10
R2157 10K
DVD MIXL
39
DVD A+5V
40
S C
41
42
S Y
43
44
CR R
45
46
CB B
47
48
PY
49
C2206
50V4.7
50
LINE R
R2169
R2269
8.2K
8.2K
CN2006
19
SYNC
18
PCONT
17
SUBWOOFER
16
CENTER
15
RSURR
14
13
LSURR
12
TO
11
POWER
FRONTR
10
CIRCUIT
9
(CN501)
ON
SCHEMATIC
8
FRONTL
LINE L
DIAGRAM-6
7
C2106
6
50V4.7
MUTE H
5
SYS6V
4
DCDET
3
2
1
CN2013
1
FAN MOTOR
2
STANDING CIRCUIT
: +B SIGNAL LINE
CN2003
CP2001
CN2002
TUNER
GND
10
10
10
VCC
M+9V
9
9
9
RDS
DETECT
8
8
8
C2200 50V1
R2200 1K
TUNER
RCH
7
7
7
TO
TUNER
D0/ST
6
6
6
TUNER
C2100 50V1
R2100 1K
TUNER
LCH
PACK
5
5
5
TUNER
SD
4
4
4
TUNER
DI
3
3
3
TUNER
CLK
2
2
2
PORT SEL
GND
1
1
1
C2090
R2101
C2101
0.01
47K
3300P
CN2001
PLAY SW
14
ST SW
13
OP/CL REV
12
OP/CL FWD
11
OPEN SW
10
R2901 220
TO
+5V
9
CD LOADING
POSITION
8
CIRCUIT
R2085 47K
BOTTOM
(CN1)ON
7
SCHEMATIC
UP/DOWN F
6
DIAGRAM-8
UP/DOWN R
5
GND
4
CHANGE SW
3
LOAD GND
L2028
2
G0A100G00005
+7.5V
1
D2037
B0EAKM000117
C2820
16V47
C2107 50V3.3
C2207 50V3.3
R2206 1K
R2207
100K
R2107
R2106 1K
100K
R2208 2.7K
R2108 2.7K
C2099 50V4.7
N
R2873 27K
R2874 56K
Q2100
B1GFGCAA0001
Muting Switch
Q2026
B1GDCFGA0014
Muting Control
R2872
1K
: MAIN SIGNAL LINE
: FM/AM SIGNAL LINE
: - B SIGNAL LINE
C2022
0.022
TU+9V
DET OUT
C2020
R2091
C2021
R2092
330P
22K
330P
22K
TUN R
1
2
3
4
TUN D0
TUN L
IC2019
C3EBDG000052
TUN SD
EEPROM IC
TUN DI
(Not Supplied)
TUN CK
8
7
6
5
R2090
R2201
C2201
4.7K
47K
3300P
C2019
330P
60
TV L
61
INA1
TV R
62
INA2
DISC SENSE
VCR L
63
INB1
LOAD
VCR R
64
INB2
LD REV
AUX L
65
INC1
LD FWD
AUX R
66
INC2
OPEN SW
TUN L
67
IND1
VREF+
TUN R
68
IND2
POSITION
DVD MIXL
69
INE1
DVD MIXR
70
INE2
TRV REV
71
?????
TRV FWD
C2120 1
EXT L
72
EXM1
PWM
EXT R
C2218
1
73
EXM2
PULSE
R2217
100K
74
?????
D2038
R2117
100K
B0EAKM000117
75
INFRA
M+9V
76
INFLA
DVDCNT
77
INCA
DVDSL
78
INLSA
DVDSR
79
INRSA
SUBW
80
INSUBA
1
R2116 100K
R2216 100K
C2127
C2227
R2112
C2121
50V4.7
50V4.7
R2172
10K
150P
LINEOUT R
DVDFL
0
LINEOUT L
C2123
R2114
R2115
50V10
10K
27K
R2113
10K
C2124
C2125
100P
33P
C2122
470P
5
6
7
8
IC2010
KIA4558FEL
Buffer Amp
4
3
2
1
C2225
33P
C2226
0.01
R2212
R2213
C2224
R2215
10K
10K
100P
27K
DVDFR
C2126
0.01
C2221 150P
C2222
470P
C2223
R2214
50V10
10K
63
: DVD(VIDEO) SIGNAL LINE
C2819 16V47
C2818 16V47
C2809
220P
R2263
1K
C2911
C2912
50V10
50V10
D2036
B0ACCK000005
C2263
50V3.3
R2894
220K
C2810
220P
C2815
C2812
16V100
0.01
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
C2161 0.22
FW4
40
OUTFL
39
R2261 5.6K
FOUT3
38
FW3
37
C2261 0.22
OUTFR
36
MIX IN
35
R2892 0
AGCR
34
AGCC
33
C2605 0.22
C2607 0.22
GAOUT
32
R2608 68K
IC2011
FW2
31
C2606 0.22
C1BB00000845
FOUT2
30
ASP IC
FW1
29
R2611 56K
FOUT1
28
OUTC
27
OUTCN
26
OUTLS
25
R2303 39K
OUTLSN
24
OUTRS
23
R2403 39K
OUTRSW
22
OUTSUB
21
R2605
2.2K
R2304
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
7.5K
R2604
33K
R2603
20K
R2271
0
C2601 1000P
R2602 47K
C2159 470P
R2159 47K
C2259 470P
R2259 47K
R2170 3.3K
R2301 3.3K
IC2004
IC2000
C0CBADG00023
C0CBADG00023
Regulator
Regulator
R2401 3.3K
3
2
1
3
C2048
C2049
R2918
6.3V47
1
470
SA-HT670PC
R2163
1K
C2163
50V3.3
R2162
5.6K
R2893 18K
C2618 0.22
R2610
R2609
6.8K
56K
R2625 5.6K
C2608 0.047
R2501 75K
C2603
50V4.7
R2612
6.8K
R2606
10K
2
1
L2011
G0A100G00005
C2050
C2051
C2816
6.3V47
1
16V10

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