Panasonic SA-HT920P Service Manual page 114

Dvd home theater sound system
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SCHEMATIC DIAGRAM-3
: +B SIGNAL LINE
MAIN CIRCUIT
CN2004
DVD STAT
STATUS
1
DVD CMD
CMD
2
DVD CLK
DSPCLK
3
MGND
4
M+9V
5
MGND
6
M+9V
M+9V
7
DGND
8
D+1.2V
9
DGND
10
D+1.2V
D+1.2V
11
AGND
12
A+5V
13
AGND
14
DVD A+5V
A+5V
15
R2895
DGND
16
10k
DVD D+5V
D+5V
17
DGND
18
DVD MUTE
D+5V
19
DGND
20
Q2028
AUDIO
21
B1GBCFJN0021
DIGITAL
Muting Switch
DGND
22
ZFLAG
23
C2600
R2600
VREF
24
10V1
2.7K
TO
SUBW
SUBW
25
DVD MODULE
C2500
R2500
ADACGND
26
CIRCUIT
16V10
10K
DVDCNT
CENTER
27
(FP8101) ON
C2400
R2400
SCHEMATIC
ADCGND
28
50V10
10K
DVDSR
DIAGRAM-1
SR
29
C2300
R2300
ADACGND
30
LINE R
16V10
10K
DVDSL
SL
31
C2256
R2256
ADACGND
32
10V1
10K
DVDFR
FR
33
C2156
R2156
ADACGND
34
10V1
10K
DVDFL
FL
35
C2257
R2257
ADACGND
36
50V10
1K
DVD MIXR
MIXR
37
C2157
R2157
ADAC5V
38
50V10
1K
DVD MIXL
MIXL
39
DVD A+5V
ADAC5V
40
S C
C
41
VGND
42
S Y
Y
43
YGND
44
CR R
LINE L
CR/PR/R
45
R
VGND
46
CB B
CR/PB/B
47
B
VGND
48
PY
PY/Y/G
49
G
VGND
50
: MAIN SIGNAL LINE
: DVD(VIDEO) SIGNAL LINE
CN2003
INPUT L
30
INPUT AGND
29
C2104
470P
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
C2200 50V1
R2200 1K
RCH
7
TO
DO/ST
6
TUNER
C2100 50V1
R2100 1K
PACK
LCH
5
SD
4
DI
3
CLK
2
GND
1
R2976 0
R2979 0
C2206
50V4.7
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
C2106
R2872
50V4.7
1K
: FM/AM SIGNAL LINE
SEL FL
SEL FR
C2204
470P
-7.5V
DSP A+5V
CN2010
DSP D+5V
TRV- 11
TRV+
10
P00
L2003
R2093
DGND
9
J0JBC0000015
120
TO
PHT DRV
8
SENSOR
L2004
DGND
7
J0JBC0000015
CIRCUIT
SEL F-S
DSC SENS
6
(CN9102) ON
LVL+10DB
L2005
DGND
5
SCHEMATIC
J0JBC0000015
DSP FR
DIAGRAM-9
PULSE SENS
4
L2006
DGND
3
J0JBC0000015
DSP FL
POSTIN SENS
2
DEC SUBW
DGND
1
DSP C
DEC SR
DEC SL
DSP DAT
LOCK
CN2011
DSP ACK
DGND
11
DSP CLK
LDNG MOTOR-
10
DSP LAT
DGND
9
TO
DSP RST
LDNG MOTOR+
8
LOADING
L2007
DSP CS
DGND
7
J0JBC0000015
MOTOR
P02
CAM SENS
6
CIRCUIT
L2008
R2095
+7.5V
DGND
5
(CN9003) ON
J0JBC0000015
330
SCHEMATIC
PHT DRV
4
L2009
DIAGRAM-9
DGND
3
J0JBC0000015
OPEN SW
2
DGND
1
T+9V
DET OUT
TUN R
TUN DO
TUN L
TUN SD
TUN DI
TUN CK
OUT L
OUT R
C2107 50V3.3
LOUT1
LOUT2
C2207 50V3.3
LINEOUT R
LINEOUT L
IC2007
C0GAG0000007
Motor Drive(Tray)
1
2
3
4
5
6
7
8
9
C2023
R2094
D2005
D2004
0.1
R2097
R2098
150
B0ECKM000016
B0ECKM000016
4.7K
330
R2802
10K
Q2002
B1GBCFJJ0039
Motor Drive
IC2008
C0GAG0000007
Motor Drive(Loading)
1
2
3
4
5
6
7
8
9
D2007
D2006
R2099
R2800
B0ECKM000016
B0ECKM000016
4.7K
330
R2801
10K
R2096
330
Q2001
B1GBCFJJ0039
Motor Drive
IC2019
C3EBDG000052
EEPROM IC
8
7
6
R2090
4.7K
5
C2019
50V330
TRV REV
TRV FWD
C+9V
C2024
16V47
PWM
DISC SENS
PULSE
POSITION
LD REV
LD FWD
LOAD
OPEN SW
1
VREF+
2
EECS
3
EECLK
4

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