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SA-HT640WPL
Service manual
Panasonic SA-HT640WPL Service Manual page 79
Dvd home theater sound system
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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
1.5
1.5
G0A200D00002
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
+5V REGULATOR
R2933
150
IC2901
C0DAZYY00001
D2915
B0BC5R600003
+9V REGULATOR
D2934
B0ACCK000005
3
2
Q2903
B1BACD000018
+7V REGULATOR
R2906 470
D2907
B0ADCJ000020
R2937 470
R2904
R2905 3.9K
470
D2902
B0BC7R500001
Q2906
B1BCCD000019
-7V REGULATOR
-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
R2285 10K
C2283 50V3.3
FROUT
C2619 50V10
SUBW
R2312 10K
1
C2312 50V3.3
SLVOL_OUT
L2910
R2990 8.2
G0A200D0002
C2412 50V3.3
R2412 10K
SRVOL_OUT
C2506 50V0.1
CENTER
C2424 2700P
C2509 2200P
B1ADCF000001
DAMP+5V
1
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
79
W4A
CN2011
FRONT L
1
AGND
2
FRONT R
3
AGND
4
R2617 10K
SUBWOOFER
5
AGND
6
SURROUND L
7
AGND
8
SURROUND R
9
AGND
10
R2510 12K
CENTER
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
C+9V
Q2911
C+9V
9
B1ABCF000176
C+9V
10
MUTING
MGND
11
MGND
12
R2967
HP-RCH
HP-RCH
5.6K
13
GND
14
HP-LCH
HP-LCH
15
DISC1_LED
DISC5_LED
16
WIDESURR_LED
WIDESURRLED
17
Q2912
FL_IC_STB
FL_STB
18
B1ABCF000176
FL_CLK
FL_IC_CLOCK
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
1
GND
2
FMPORT-LCH
FMPORT-LCH
3
H2010
-VCC
1
AGND
2
+VCC
3
DC_DET
4
SYS6V
SYS6V
5
SYNC
SYNC
6
DC_GND
7
DC_GND
FP2000
8
2A
SW5VG_GND
9
DC_13V
+13V
10
DC_13V
11
AM_BP
AM_BP
12
PCONT
PCONT
13
61
62
63
SA-HT640WPL
H
C
TO
POWER(DIGITAL AMP)
G
CIRCUIT
(CN5050) on
SCHEMATIC
DIAGRAM-10
F
E
C
TO
POWER(SMPS) CIRCUIT
(CN5708) on
SCHEMATIC
DIAGRAM-13
D
F
TO
FL CIRCUIT
(H6901) on
C
SCHEMATIC
DIAGRAM-14
B
C
TO
POWER CIRCUIT
(CN5701) on
SCHEMATIC
DIAGRAM-13
A
SA-HT640WPL MAIN CIRCUIT
64
65
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