B) Main Circuit - Panasonic SA-HT743P Service Manual

SA-HT740P / SA-HT740PC

18.2. (B) Main Circuit

SCHEMATIC DIAGRAM-7
B
MAIN CIRCUIT
:MAIN SIGNAL LINE
H CN2001
STATUS
1
CMD
2
DSPCLK
3
MGND
4
M+9V
5
MGND
6
M+9V
7
DGND
8
2.7V
9
DGND
10
2.7V
11
AGND
G
12
A+5V
13
AGND
14
A+5V
15
DGND
16
D+5V
17
DGND
18
R2006 1.8K
D+5V
19
DGND
20
AUDIODIGITAL
21
B1GBCFJN0033
DGND
22
ZFLAG
23
A
F TO VREF
24
C2600 1 R2600 3.9K
SUBW
HDMI MODULE
25
ADACGND
CIRCUIT
26
C2500 1 R2500 12K
CENTER
(FP8101) on
27
ADACGND
SCHEMATIC
28
C2400 1 R2400 12K
SR
DIAGRAM-1
29
ADACGND
30
C2300 1 R2300 12K
SL
31
ADACGND
32 C2201 1 R2201 10K
FR
33
ADACGND
34
C2101 1 R2101 10K
FL
35
ADACGND
E
36
C2211 1 R2211 10K
MIXR
37
ADAC5V
38
MIXL
39
ADAC5V
C2111 1 R2111 10K
40
C
41
VGND
42
Y
43
VGND
44
CR/PR/R
45
VGND
46
CB/PB/B
47
VGND
D 48
PY/Y/G
49
VGND
50
JK2001 L2201
C
J0JBC0000015 R2264 10K
L-CH
11
L2101
J0JBC0000015 R2164 10K
R-CH
10
9
L2802
J0JBC0000015 R2809 75
14
L2803
J0JBC0000015 R2812 75
13
12
L2804
J0JBC0000015 R2813 75
B
17
L2805
J0JBC0000015 R2816 75
16
15
2
L2806
COUT J0JBC0000015 R2817 75
4
5
L2807
J0JBC0000015 R2818 75
3
YOUT
A C2029 C2030
1 470P 470P
1 2
:MUSIC PORT SIGNAL LINE :FM/AM SIGNAL LINE
Q2098
DVD_STA
CN2003
B1GBCFJN0033
IDSET
DVD_CMD
1
INVERTER
DVD_CK WIRELESS-LCH
2
AGND
3
M+9V WIRELESS-RCH
4
TO
WIRELESS 5
WM-DETECT
(TRANS- 6
LINK
MITTER 7
DVD_2.7 PGND
UNIT) 8
+5V
9
MASTER/NSLAVE
10
L2009
D2952
11 NC
G0C220JA0055
B0JCAE000001
DVD_D+5V
K2901
0
CN2002
TUNERGND
10
T+9V
9
RDS DETECT
8
TUNER RCH
MUTE_DVD
7
TO
TUNER DO/ST
6
Q2006 TUNER
TUNER LCH
5
PACK
TUNER SD
4
SWITCH
(J3CCBC
TUNER DI
3
000012)
TUNER CLK
2
DVD-SUBW
1
PORT_SEL
DVD-CNT
DVD-SR
DVD-SL
DVD-FR
DVD-FL
MIXR
DVD_A+5V
MIXL
C
Y
CR
CB
PY
IC2003
C0GAG0000007
MOTOR DRIVE
(LOADING)
1
AUX-LCH
AUX-RCH
CN2005
L2002
DGND
1
J0JBC0000015
OPEN_SW
2
H DGND L2001
3
J0JBC0000015 R2005 330 R2004 330
TO
PHT_DRV
4
LOADING
L2003
DGND
5
J0JBC0000015
MOTOR
CAM_SENS
6
CIRCUIT
DGND
7
(CN9003)
LOAD_MTR+
8
SCHEMAITC
DGND
9
DIAGRAM-16
LOAD_MTR-
10
DGND
11
C2830 C2832
10P 220P
3 4 5
:DVD(VIDEO) SIGNAL LINE :AUX SIGNAL LINE :+B SIGNAL LINE
MPORT_DET
RF-LCH
RF-RCH
RF_DET
RF_LINK
RF+5V
ROLE_CHG
IC2904
C0CAADE00007
3 2 1 +5V REGULATOR 16
C+9V
C2963
16V470P
T+9V
RDS_DET
C2261 0.039 R2260 1K
TUN_RCH
TU_ST
C2161 0.039 R2160 1K
TUN_LCH
TU_SD 1
TU_SDA
TU_SCL
DVD_A+5V
2 3 4 5 6 7 8 9
LOAD_REV
LOAD_FWD
C+9V
R2002 R2001
4.7K 330
OPEN_SW
R2003
10K
LOAD
PWM
Q2001
B1GBCFJJ0051
MOTOR DRIVE
6 7 8
70
:-B SIGNAL LINE
R2295
6.8K
R2297 C2291
68K 100P
15 14 13 12 11 10 9 14 13
IC2906
C0JBAR000326
MUSIC PORT
SELECTOR
2 3 4 5 6 7 8 1 2
R2197 C2191
68K 100P
C2285 1
C2185 1
C2809 25V22
16 15 14 13 12 11 10 9 8 7 6 5 4 3
17 18 19 20 21 22 23 24 25 26 27 28 29 30
C2838 C2837 C2839 C2836 C2833
0.1 0.1 0.1 0.1 0.1
9 10 1 1
R2296
33K
12 11 10 9 8
-VCC
IC2105
C0ABCB000088
QUAD
(MUSIC PORT)
+VCC
3 4 5 6 7
C2620
100P
R2629
10K
C2621
0.1
2 1
IC2801
C9ZB00000461
VIDEO BUFFER
31 32
SA-HT740P/PC MAIN CIRCUIT
12 13