Panasonic SA-HT440P Service Manual page 73

SCHEMATIC DIAGRAM-9
B
MAIN CIRCUIT
: MAIN SIGNAL LINE
M+9V
L2905
G0A200D00002
T+9V
D2935
B0ACCK000005
DAMP+5V
RF+5V
2 1 2 1 2 1
D2906 D2951
B0ADCJ000020 B0ADCJ000020
3 3 3
DC_DET
Q2901
Q2909
B1GBCFJN0033 B1ABCF000176
DC DETECT DC DETECT
+7V
-7V
IC2907
C0CBADG00023
+5V REGULATOR
(DVD)
3 2 1
DVD_A+5V
L2904
G0A200D00002
DVD_D+5V
Q2935
B1BACD000018
R2927 R2925 L2906
+2.7V REGULATOR G0A200D00002
1.5 1.5
DVD_2.7
L2908
G0A200D00002
R2946 R2936
33 180
R2935
4.7K
DVD_PCONT
53 54 55
: MUSIC PORT SIGNAL LINE
:+B SIGNAL LINE :-B SIGNAL LINE
IC2902
C0DAZYY00001
+9V REGULATOR
Q2904
B1AAKD000012 3 2 1
+5V REGULATOR
R2933
150
IC2901
C0DAZYY00001
D2915
B0BC5R600003
+9V REGULATOR
D2934
B0ACCK000005
3 2 1
Q2903
B1BACD000018
+7V REGULATOR
R2906 470
D2907
B0ADCJ000020
R2937 470
R2904
470 R2905 3.9K
D2902
B0BC7R500001
Q2906
B1BCCD000019
-7V REGULATOR
R2913 470
R2938 470
R2914 3.9K
Q2907
B1ADCF000001
-7V REGULATOR
IC2908
C0CBADG00023
+5V REGULATOR
C0DAAMH00012
(DVD)
SWITCHING REGULATOR
3 2 1
5
L2903 L2902
G0A200D00002 G0A101ZA0028
56 57 58
C2324 2700P
C2183 50V3.3 R2185 10K
FLOUT
C2283 50V3.3 R2285 10K
FROUT
C2619 50V10 R2617 10K
SUBW
C2312 50V3.3 R2312 10K
SLVOL_OUT
L2910
R2990 8.2 G0A200D0002
R2412 10K
C2412 50V3.3
SRVOL_OUT
C2506 50V0.1 R2510 12K
CENTER
C2424 2700P
C2509 2200P
B1ADCF000001
DAMP+5V
R2963
10K
MOD_DA
R2960
100K
R2961
10K
MUTE_C_SR
R2968
100K
R2969
10K
MUTE_F_SW
IC2903
4 3 2 1
L2909
G0A200D00002
59 60
73
W4A
CN2011
FRONT L
1
AGND
2
FRONT R
3
AGND
4
SUBWOOFER
5
AGND
6
SURROUND L
TO
7
AGND
POWER(DIGITAL AMP) CIRCUIT
8
SURROUND R
(CN5050) on
9
AGND
SCHEMATIC
10
CENTER DIAGRAM-10
11
MUTE_C_SR(MODE 1)
12
MUTE_F_SW(MODE 2)
13
FHOP
FHOP
14
AGND
15
MUTE_CSW
16
MOD_DA
17
Q2914
R2966
MUTING
4.7K
R2965
CN2007
4.7K PWM
PWM
1
TURN_REW
TURN_REW
2
TURN_FWD
TURN_FWD
3
DISC_SENS
DISC_SENS
4
PULSE
PULSE
5
POSITION
POSITION
6
MGND
7
MGND
8
Q2911 C+9V C+9V
9
B1ABCF000176 C+9V
10
MUTING MGND
11
MGND
12
R2967
HP-RCH
HP-RCH
TO
5.6K 13
GND
POWER(SMPS) CIRCUIT
14
HP-LCH
HP-LCH
(CN5708) on
15
DISC1_LED DISC5_LED
SCHEMATIC
16
WIDESURR_LED
WIDESURRLED
DIAGRAM-13
17
Q2912 FL_IC_STB
FL_STB
18
B1ABCF000176 FL_IC_CLOCK
FL_CLK
19
MUTING FL_IC_DATA
FL_DAT
20
JOG_A
JOG_A
21
JOG_B
JOG_B
22
VREF VREF
23
SW+5V
SW+5V
R2970 24
BLUELED
5.6K BLUE_LED
25
KEY1 KEY1
26
KEY2
KEY2
27
VSS_GND
28
RMT
RMT
29
Q2913
VSS_GND VSS_GND
30
B1ABCF000176
MUTING
CN2013
FMPORT-RCH FMPORT-RCH TO
1
GND
FL CIRCUIT
2
FMPORT-LCH FMPORT-LCH (H6901) on
3
SCHEMATIC
DIAGRAM-14
H2010
-VCC
1
AGND
2
+VCC
3
DC_DET
4
SYS6V SYS6V
5 TO
SYNC
SYNC
POWER(SMPS) CIRCUIT
6
DC_GND
7 (CN5701) on
DC_GND
SCHEMATIC
FP2000 8
SW5VG_GND
2A
9 DIAGRAM-13
DC_13V
+13V
10
DC_13V
11
AM_BP
AM_BP
12
PCONT
PCONT
13
61 62 63
SA-HT440P / SA-HT440PC
H
C
G
F
E
C
D
F
C
B
C
A
SA-HT440P/PC MAIN CIRCUIT
64 65