Panasonic SA-HT740GCP Service Manual page 74

SA-HT740GCP
SCHEMATIC DIAGRAM-12
B
MAIN CIRCUIT
: MAIN SIGNAL LINE
M+9V
L2905
G0A200D00002
T+9V
D2935
B0ACCK000005
DAMP+5V
RF+5V
2 1 2 1
D2906 D2951
B0ADCJ000020 B0ADCJ000020
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
DVD_D+5V
Q2935
B1BACG000023
R2927 R2925
+2.7V REGULATOR 1.5 1.5
DVD_2.7
L2908 L2908
G0A200D00002 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
+5V REGULATOR
R2933
150
D2915
B0BC5R600003
D2934
B0ACCK000005
Q2903
B1BACD000018
2 1
+7V REGULATOR
D2907
B0ADCJ000020
3
R2904
470
D2902
B0BC7R500001
Q2906
B1BCCG000002
-7V REGULATOR
Q2907
L2912
B1ADCF000001
G0A200D00002
-7V REGULATOR
IC2908
C0CBADG00023
+5V REGULATOR
(DVD)
3 2 1
L2906
G0A200D00002
L2903 L2902
G0A200D00002 G0A101ZA0028
56 57 58
C2324 2700P
C2183 50V3.3 R2185 12K
FLOUT
C2283 50V3.3 R2285 12K
FROUT
R2617 6.8K
C2619 50V10
SUBW
R2312 10K
C2312 50V3.3
SLVOL_OUT
C2412 50V3.3 R2412 10K
SRVOL_OUT
C2506 50V1 R2510 10K
CENTER
C2424 2700P
C2509 2200P
B1ADCF000001
DAMP+5V
R2963
10K
R2906 470
MOD_DA
R2937 470
R2960
100K
R2905 3.9K
R2961
10K
MUTE_C_SR
R2913 470
R2968
100K
R2938 470
R2914 3.9K
R2969
10K
MUTE_F_SW
E2900
C2904
K4CZ01000027
0.1
IC2903
R2990
L2910
8.2
G0A200D00002
C0DAAMH00012
SWITCHING REGULATOR
C2957
0.01
5 4 3 2 1
C2956 C2918
0.01 16V47
L2909
G0A200D00002
59 60
74
CN2011
FRONT L
1
AGND
2
FRONT R
3
AGND
4
SUBWOOFER
5
AGND
6 C
SURROUND L
TO
7
AGND
POWER(DAMP) CIRCUIT
8
SURROUND R
(CN5050) on
9
AGND
SCHEMATIC
10
CENTER
DIAGRAM-13
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
W2252
R2966
MUTING
4.7K 0
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
C+9V
B1ABCF000176
10
MUTING MGND
11
MGND
12
C
R2967
HP-RCH
HP-RCH
13 TO
5.6K
GND
POWER(SMPS) CIRCUIT
14
HP-LCH HP-LCH
(CN5708) on
15
DISC5_LED
DISC1_LED
SCHEMATIC
16
WIDESURR_LED
WIDESURRLED
DIAGRAM-15
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
BLUE_LED
5.6K
25
KEY1
KEY1
26
KEY2
KEY2
27
W2018
VSS_GND
28
0
RMT
RMT
29
Q2913
VSS_GND
VSS_GND
30
B1ABCF000176
MUTING
CN2013
TO
FMPORT-RCH FMPORT-RCH
1
FL CIRCUIT
GND
2
(H6901) on
FMPORT-LCH FMPORT-LCH
3
SCHEMATIC
DIAGRAM-16
IC2902
1
C2940 GND
2
0.1 TO
3
REGULATOR CIRCUIT
C2941
(H2902) on
16V47
IC2901
SCHEMATIC
1
DIAGRAM-17
C2921 C2917 GND
2
25V220 0.1
3
H2010
-VCC
1
AGND
2
+VCC
3
DC_DET
4
W2017 0 C
SYS6V
SYS6V
5 TO
SYNC SYNC
POWER(SMPS) CIRCUIT
6
DC_GND
7 (CN5701) on
DC_GND
FP2000
SCHEMATIC
8
2A
SW5VG_GND
DIAGRAM-15
9
+13V DC_13V
10
DC_13V
11
AM_BP
AM_BP
12
PCONT
PCONT
13
SA-HT740GCP MAIN CIRCUIT
61 62 63
H
G
F
E
D
F
C
K
B
A
64 65