Panasonic SA-HT720P Service Manual page 47

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
DIGITAL B1GBCFJN0021
Muting Switch
DGND 22
ZFLAG 23
C2600 R2600
VREF 24
10V1 2.7K
TO SUBW
SUBW 25
DVD MODULE
C2500 R2500
ADACGND 26
CIRCUIT 50V10 10K
DVDCNT
CENTER 27
(FP8101) ON
C2400 R2400
ADCGND 28
SCHEMATIC
50V10 10K
DVDSR
DIAGRAM-1
SR 29
C2300 R2300
ADACGND 30 LINE R
50V10 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 12K
DVD MIXR
MIXR 37
C2157 R2157
ADAC5V 38
50V10 12K
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
CN2002
GND 10
M+9V 9
DETECT 8
C2200 50V1 R2200 1K
RCH 7
TO
DO/ST 6
TUNER C2100 50V1 R2100 1K
LCH 5
PACK
SD 4
DI 3
CLK 2
GND 1
R2976 0 C2107 50V3.3
R2979 0
C2207 50V3.3
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
50V4.7 R2872
1K
: FM/AM SIGNAL LINE
CN2010
TRV- 11
TRV+ 10
L2003 R2093 R2094
DGND 9
J0JBC0000015 120 150
TO
PHT DRV 8
SENSOR L2004
DGND 7
J0JBC0000015
CIRCUIT
DSC SENS 6
(CN9102) ON
L2005
DGND 5
SCHEMATIC J0JBC0000015
PULSE SENS 4
DIAGRAM-8
L2006
DGND 3
J0JBC0000015
POSTIN SENS 2
DGND 1
CN2011
DGND 11
LDNG MOTOR- 10
DGND 9
TO
LDNG MOTOR+ 8
LOADING L2007
DGND 7
J0JBC0000015
MOTOR
CAM SENS 6
CIRCUIT
L2008 R2095 R2096
DGND 5
(CN9003) ON J0JBC0000015 330 330
PHT DRV 4
SCHEMATIC
L2009
DIAGRAM-8
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
LOUT1
LOUT2
LINEOUT R
LINEOUT L
47
IC2007
C0GAG0000007
Motor Drive(Tray)
1 2 3 4 5 6 7 8 9
C2023 C2024
0.1 16V47
D2005 D2004 R2097 R2098
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
Q2001
B1GBCFJJ0039
Motor Drive
IC2019
C3EBDG000052
EEPROM IC
8 1
7 2
6 3
R2090
4.7K
5 4
C2019
50V330
SA-HT720P / SA-HT720PC
TRV REV
TRV FWD
C+9V
PWM
DISC SENS
PULSE
POSITION
LD REV
LD FWD
LOAD
OPEN SW
VREF+
EECS
EECLK