Panasonic SA-PT160E Service Manual page 80

Dvd home theater sound system
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SA-PT160E / SA-PT160EB / SA-PT160EG
SCHEMATIC DIAGRAM - 8
B
MAIN CIRCUIT
:+B SIGNAL LINE
2
M+9V
300mA
SW+5V
15mA
DC_DET1
TUNER +9V
60mA
+9.1V
W4081
TO MAIN
0
SECTION (3/4)
-7V
60mA
VGND
DVD_A+5V
500mA
DVD_D+5V
500mA
AGND_D
Q2914
B1BACG000023
R2971
DVD2.7V
DVD 2.7V REGULATOR
1.5
DVD+2.7V
700mA
R2973
R2972
220
22
DGND
DC_DET1
R2976
150
Q2974
B1ACKD000005
-VP REGULATOR
-VP
H2002
-21V
11
-VP (-21V)
VCC_CTRL
10
VCC_CTRL
(FL-) FL2
L2800
(FL-) FL2
9
(FL+) FL1
G0C220JA0055
W4054
8
(FL+) FL1
0
PCONT
7
PCONT
6
GND
5
GND
+9.1V
4
+9.1V
D2900
B0BC7R500001
3
GND
SYNC
2
SYNC
SYS6V
R2900
1
1
SYS6V
3
15
16
17
:-B SIGNAL LINE
:MAIN SIGNAL LINE
:DVD VIDEO SIGNAL LINE
D2918
B0ADCJ000020
1
3
2
Q2910
Q2907
B1ABCF000176
B1ADCF000001
DC DETECT
-7V REGULATOR
W4083
0
1
W4093
W4094
0
0
-7V
Q2906
B1BCCG000002
-7V REGULATOR
IC2903
L2911
G0A200D00002
AN30071A-NM
DC-DC CONVERTER
L2910
G0A220GA0026
7
6
5
4
3
R2926
1.5
R2919
R2925
L2902
270K
1K
G0A101ZA0028
R2921
27K
VOUT
FLGND
Q2905
B1GBCFJJ0051
DC DETECT
R2911
47
R2974
4.7
H2001
TO SMPS
TO SMPS
+26V/18V(VCC)
(CN3)
(CN2)
+26V/18V(VCC)
18
19
20
:FM SIGNAL LINE
:AUX SIGNAL LINE
TO MAIN
SECTION (2/4)
+9.1V
FR_IN
MGND
FL_IN
+9.1V
W4095
R2977
0
0
ASP_GND
MUTE_FRONT_SW
R2913
R2912
47
47
-21V
R2914
2.7K
E2900
SR_IN
SL_IN
2
1
MUTE_SURR
FLGND
SW_IN
W4024
0
C_IN
-21V
R5313
47K
STYB
D5302
B0ACCK000005
MICROP-GND
GND
4
OUT_GND
GND
3
MUTE_FRONT_SW
2
1
+26V _VCC
D2000
B0JCPD000025
VCC
21
22
23
80
:TV AUDIO SIGNAL LINE
IC5100
AN17831A
POWER
1
2
3
4
5
6
7
8
9
10
11
C5122
C5123
C5124
220P
220P
0.1
D5100
B0JCPD000025
C5120
C5121
220P
220P
C5105
C5104
R5101
12K
220P
220P
R5102
12K
R5533
22K
FR+_OUT
W4025
W4022
0
0
R5534
18K
FL+_OUT
IC5200
AN17831A
POWER
1
2
3
4
5
6
7
8
9
10
11
C5222
C5223
C5224
220P
220P
0.1
C5220
C5221
220P
220P
D5200
B0JCPD000025
R5201
22K
C5205
470P
C5204
470P
R5202
22K
IN_GND
IC5300
AN17831A
POWER
1
2
3
4
5
6
7
8
9
10
11
C5322
C5323
C5324
220P
220P
0.1
C5320 C5321
220P
220P
R5301
D5300
33K...E/EG
B0JCPD000025
47K...EB
C5305
470P
C5304
R5302
470P
22K...E/EG
15K...EB
STBY
IN_GND
1/4
2/4
3/4
4/4
SA-PT160E/EB/EG MAIN CIRCUIT
24
25
26
I
L5101
G0AR65Y00001
FR+
C5109
12
0.1
FR+_OUT
J
L5102
C5110
G0AR65Y00001
0.1
FR-_OUT
FR-
L5103
FL+_OUT
G0AR65Y00001
FL+
C5116
0.1
L5104
C5117
G0AR65Y00001
0.1
FL-_OUT
FL-
K
L5201
G0AR65Y00001
SR+
C5210
12
0.1
SR+_OUT
L5202
C5211
0.1
L
G0AR65Y00001
SR-_OUT
SR-
OUTPUT GND
L5203
SL+_OUT
G0AR65Y00001
SL+
C5216
0.1
L5204
C5217
G0AR65Y00001
0.1
SL-_OUT
SL-
M
L5301
G0AR65Y00001
SW+
C5310
12
0.1
SW+_OUT
L5302
C5311
N
0.1
G0AR65Y00001
SW-_OUT
SW-
L5303
C+_OUT
G0AR65Y00001
C+
C5316
0.1
L5304
C5317
G0AR65Y00001
0.1
C-_OUT
C-
O
P
27
28

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