Panasonic SA-HT940PC Service Manual page 77

SCHEMATIC DIAGRAM-11
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 D2907
B0ADCJ000020 B0ADCJ000020 B0ADCJ000020
3 3 3
DC_DET
Q2901
Q2909
B1GBCFJN0033 B1ABCF000176
DC DETECT
DC DETECT
+7V
-7V
IC2907
C0CBADG00023
+5V REGULATOR
(DVD)
L2912
3 2 1 G0A200D00002
DVD_A+5V
C0CBADG00023
+5V REGULATOR
DVD_D+5V
3
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
Q2904
B1AAKD000012
L2910
+5V REGULATOR
G0A200D00002
R2933
150
D2915
B0BC5R600003
D2934
B0ACCK000005
Q2903
B1BACD000018
+7V REGULATOR
R2906 470
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
IC2903
C0DAAMH00012
(DVD)
SWITCHING REGULATOR
2 1
5 4 3
L2903 L2902
G0A200D00002 G0A101ZA0028
56 57 58
R2185 4.7K
C2183 50V3.3
FLOUT
C2283 50V3.3 R2285 4.7K
FROUT
R2617 6.8K
C2619 50V10
SUBW
C2312 50V3.3 R2312 15K
SLVOL_OUT
C2412 50V3.3 R2412 15K
SRVOL_OUT
R2510 8.2K
C2506 50V1
CENTER
C2509 820P
Q2914
B1ADCF000001
MUTING
DAMP+5V
R2963
10K Q2911
MOD_DA
B1ABCF000176
MUTING
R2960 R2967
100K
R2961
Q2912
10K
MUTE_C_SR
B1ABCF000176
MUTING
R2968 R2970
100K
R2969
Q2913
10K
MUTE_F_SW
B1ABCF000176
MUTING
C2904
0.1
R2990
8.2K
C2957 C2941
0.01 16V47
C2921
25V220
2 1
C2956 C2918
0.01 16V47
FP2000
2A
L2909
G0A200D00002
59 60 61
77
W4A
CN2011
FRONT L
1
AGND
2
FRONT R
3
AGND
4
SUBWOOFER
5
AGND
6
C
SURROUND L
TO
7
AGND
POWER CIRCUIT
8
SURROUND R
(CN5050) on
9
AGND
SCHEMATIC
10
CENTER
DIAGRAM-12
11
MUTE_C_SR(MODE 1)
12
MUTE_F_SW(MODE 2)
13
FHOP
FHOP
14
AGND
15
MUTE_CSW
16
MOD_DA
17
R2966
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
C+9V
9
C+9V
10
MGND
11
MGND
12
C
HP-RCH
HP-RCH
TO
5.6K 13
GND
POWER CIRCUIT
14
HP-LCH
HP-LCH
(CN5708) on
15
DISC1_LED
DISC1_LED
SCHEMATIC
16
WIDESURRLED WIDESURR_LED
DIAGRAM-14
17
FL_STB FL_IC_STB
18
FL_IC_CLOCK
FL_CLK
19
FL_IC_DATA
FL_DAT
20
JOG_A
JOG_A
21
JOG_B
JOG_B
22
VREF
VREF
23
SW+5V
SW+5V
24
BLUE_LED BLUELED
5.6K
25
KEY1
KEY1
26
KEY2
KEY2
27
VSS_GND
28
RMT
RMT
29
VSS_GND VSS_GND
30
CN2013 F
TO
FMPORT-RCH FMPORT-RCH
1
FL CIRCUIT
GND
2
(H6901) on
FMPORT-LCH FMPORT-LCH
3
SCHEMATIC
DIAGRAM-15
(IC2902)
1
C2940 GND
2 K
0.1
TO
3
REGULATOR CIRCUIT
(H2902) on
(IC2901)
SCHEMATIC
1
C2917 GND DIAGRAM-16
2
0.1
3
H2010
-VCC
1
AGND
2
+VCC
3
DC_DET
4
C
SYS6V
SYS6V
5 TO
SYNC SYNC
POWER CIRCUIT
6
DC_GND
(CN5701) on
7
DC_GND
8 SCHEMATIC
SW5VG_GND
9 DIAGRAM-14
DC_13V
+13V
10
DC_13V
11
AM_BP
AM_BP
12
PCONT
PCONT
13
SA-HT940P/PC MAIN CIRCUIT
62 63 64
SA-HT940P / SA-HT940PC
H
G
F
E
D
C
B
A
65