Panasonic SA-HT920P Service Manual page 95

Dvd home theater sound system
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SCHEMATIC DIAGRAM-3
MAIN CIRCUIT
CN2004
STATUS
1
CMD
2
DSPCLK
3
MGND
4
M+9V
5
MGND
6
M+9V
7
DGND
8
D+1.2V
9
DGND
10
D+1.2V
11
AGND
12
A+5V
13
AGND
14
A+5V
15
DGND
16
D+5V
17
DGND
18
D+5V
19
DGND
20
AUDIO
21
DIGITAL
DGND
22
ZFLAG
23
C2600
VREF
24
10V1
TO
SUBW
25
DVD MODULE
C2500
ADACGND
26
CIRCUIT
16V10
CENTER
27
(FP8101) ON
C2400
SCHEMATIC
ADCGND
28
50V10
DIAGRAM-1
SR
29
C2300
ADACGND
30
16V10
SL
31
C2256
ADACGND
32
10V1
FR
33
C2156
ADACGND
34
10V1
FL
35
C2257
ADACGND
36
50V10
MIXR
37
C2157
ADAC5V
38
50V10
MIXL
39
ADAC5V
40
C
41
VGND
42
Y
43
YGND
44
CR/PR/R
45
VGND
46
CR/PB/B
47
VGND
48
PY/Y/G
49
VGND
50
: +B SIGNAL LINE
DVD STAT
DVD CMD
DVD CLK
M+9V
D+1.2V
DVD A+5V
R2895
10k
DVD D+5V
DVD MUTE
Q2028
B1GBCFJN0021
Muting Switch
R2600
2.7K
SUBW
R2500
10K
DVDCNT
R2400
10K
DVDSR
C2206
50V4.7
R2300
LINE R
10K
DVDSL
R2256
10K
DVDFR
R2156
10K
DVDFL
R2257
1K
DVD MIXR
R2157
1K
DVD MIXL
DVD A+5V
S C
S Y
CR R
LINE L
R
C2106
50V4.7
CB B
B
PY
G
: MAIN SIGNAL LINE
: DVD(VIDEO) SIGNAL LINE
CN2003
INPUT L
30
INPUT AGND
29
INPUT R
28
-7.5V
27
DEC A+5V
26
DEC D+5V
25
DGND
24
PDOWN
23
DVDRS
22
DVDLS
21
SEL F/S
20
LVL+10DB
19
FR
18
TO
AGND
17
DSP CIRCUIT
FL
16
(CN600) ON
SUBW
15
SCHEMATIC
AGND
14
DIAGRAM-7
CENTER
13
SR
12
SL
11
AGND
10
M DATA
9
M LOCK
8
M ACK
7
M CLOCK
6
M LATCH
5
DSP RESET
4
M ENABLE
3
DSP STATUS
2
+7.5V
1
CN2002
GND
10
M+9V
9
DETECT
8
RCH
7
TO
DO/ST
6
TUNER
LCH
5
PACK
SD
4
DI
3
CLK
2
GND
1
R2206 1K
R2207
100K
R2107
R2106 1K
100K
R2208 2.7K
R2108 2.7K
R2873 27K
Q2100
B1GFGCAA0001
Muting Switch
Q2026
B1GDCFGA0014
Muting Control
: FM/AM SIGNAL LINE
SEL FL
SEL FR
C2104
C2204
470P
470P
-7.5V
DSP A+5V
DSP D+5V
P00
SEL F-S
LVL+10DB
DSP FR
DSP FL
DEC SUBW
DSP C
DEC SR
DEC SL
DSP DAT
LOCK
DSP ACK
DSP CLK
DSP LAT
DSP RST
DSP CS
P02
+7.5V
T+9V
DET OUT
C2200 50V1
R2200 1K
TUN R
TUN DO
C2100 50V1
R2100 1K
TUN L
TUN SD
TUN DI
TUN CK
OUT L
OUT R
R2976 0
C2107 50V3.3
LOUT1
R2979 0
LOUT2
C2207 50V3.3
LINEOUT R
LINEOUT L
C2099 50V4.7
N
R2874 56K
R2872
1K
47
TO
SEN
CIRC
(CN9
SCH
DIAG
TO
LOA
MOT
CIRC
(CN9
SCH
DIAG

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