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Panasonic SA-BT300PX Service Manual Page 93

Blu-ray disc home theater sound system.
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30
31
32
SCHEMATIC DIAGRAM - 25
B
MAIN CIRCUIT
: +B SIGNAL LINE
P1
CN501
7
LB817
J0JBC0000014
AGND
1
F
LB831
J0JBC0000014
TO
MIC_MUTE
2
LB821
J0JBC0000014
SETUP MIC
MIC_OUT
3
LB819
J0JBC0000014
CIRCUIT (CN6501)
A+7V
4
LB818
J0JBC0000014
IN SCHEMATIC
A-7V
5
LB820
J0JBC0000041
DIAGRAM - 32
MIC_DET
6
LB832
J0JBC0000014
DGND
7
1
CN806
20
LB804
J0JBC0000041
FL+
1
LB805
J0JBC0000041
FL-
2
LB822
J0JBC0000014
FL_GND
3
LB823
J0JBC0000014
-VP
4
LB807
J0JBC0000014
REMOTE
5
LB808
J0JBC0000014
DGND
6
LB809
J0JBC0000014
SYS3.3V
7
LB810
J0JBC0000014
D
D3R3V
8
TO
LB811
J0JBC0000014
FLCLK
9
PANEL CIRCUIT
LB824
J0JBC0000014
FLDA
10
(P6001)
LB825
J0JBC0000014
FLCS
11
IN SCHEMATIC
R844
3.3
LB812
J0JBC0000014
D12V
12
DIAGRAM - 31
LB802
J0JBC0000014
JOGB
13
LB826
J0JBC0000014
JOGA
14
LB813
J0JBC0000014
KEY2
15
LB827
J0JBC0000014
KEY1
16
LB814
J0JBC0000014
HP_SW
17
LB815
J0JBC0000014
HP_OUTL
18
LB801
J0JBC0000014
HP_GND
19
LB803
J0JBC0000014
HP_OUTR
20
1
CN802
19
AGND
1
R235
1.8K
R837
AGND
2
2.7K
CH1_L_OUT
3
R236
1.8K
R838
AGND
4
2.7K
CH1_R_OUT
5
R237
1.8K
R839
AGND
6
2.7K
CH2_L_OUT
7
I
R238
1.8K
R840
TO
8
AGND
2.7K
WIRELESS ADAPTER
CH2_R_OUT
9
CIRCUIT (CN6301)
10
+5V
IN SCHEMATIC
PGND
11
DIAGRAM - 33
WM_DET
12
13
SDO
SDI
14
SCL
15
16
SSB
C845
6.3V1000
INT
17
SM0
18
SM1
19
1
TO MAIN
SECTION (2/8)
CN1101
LB1105
0
R1102
270K
iPod_ACC_PWR
1
LB1106
0
R1124
100
DO_UART_OUT/TX
2
DO_UART_IN/RX
3
LB1104
0
DOCK5V_GND
4
C1122
0.01
H
DOCK5V_GND
5
TO
LB1108
0
R1101
330K
iPod_ACC
6
iPod CIRCUIT
iPod_5V
7
(CN1002)
R1127
0
C533
10
DOCK_L
8
IN SCHEMATIC
LB1109
0
C1108
10
DOCK_AGND
9
DIAGRAM - 33
R1128
0
C532
10
DOCK_R
10
LB1103
0
iPod_DET
11
VGND
12
VIDEO
13
LB1102
0
VGND
14
C1133
C1132
C1131
1000P
1000P
1000P
33
34
35
: -B SIGNAL LINE
: BD/DVD AUDIO INPUT SIGNAL LINE
: iPod/AUX/MIC AUDIO INPUT SIGNAL LINE
AGND
D3R3V
MIC_MUTE
Q101
C122
MIC_OUT
R210
B1ADCE000012
470
4.7
A+7V
MUTING CONTROL
A-7V
WMUTE
MIC_DET
R207
10K
DGND
R206
R212
22K
22K
FL+
FL-
GND
Q504
-VP
B1GFGCAA0001
MUTING
R199
REMOCON
47K
DGND
6
1
SYS3R3V
R200
R204
1.8K
1.8K
5
2
SPICLK
R205
47K
SPIDO
4
3
FLCS
D12V
JOGB
JOGA
KEY2
R233
R231
0
0
KEY1
HPDET
HPOUTL
AGND
HPOUTR
WL_MUTE_GND
C846
1
SBL_WLOUT
C847
1
SBR_WLOUT
C848
1
SL_WLOUT
C849
1
SR_WLOUT
WL_D5V
GND
Q1103
WMDET
WMDI
B1ADCE000012
SWITCH
WMDO
DO_UART_OUT/TX
WMCL
WMSSB
R1108
Q1102
47K
B1ADCE000012
SWITCH
WM_SM1
R1107
47K
R1109
4.7K
QR1102
R1106
iPodVDET
4.7K
B1GBCFJJ0051
SWITCH
Q1101
B1ABCF000176
QR1101
POWER DETECT
B1GBCFJJ0051
SWITCH
DO_UART_OUT/TX
LB1107
J0JBC0000014
R1125
100
iPod_GND
R1104
R1105
GND
560K
100K
R1103
220K
LB1101
J0JYC0000070
iPod_DET
C1134
1000P
36
37
38
: iPod VIDEO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
R211
18K
A-7V
AGND
Q102
B1GFGCAA0001
MUTING
R208
47K
6
1
R209
R213
1.8K
1.8K
5
2
R214
47K
4
3
WL_MUTE_GND
R230
R232
0
0
C1102
6.3V100
IC1001
C0DBZHE00026
C1101
HIGH SIDE
0.1
POWER SWITCH
K1002
0
D5V
5
OUT
IN
1
iPod_GND
GND
2
iPodCHG
4
OC EN
3
iPodVC
iPodDI
R1131
47
iPodDO
PCONT
R1110
100K
R1112 C1103
100
10
4
V_IN
VCC
3
C1105
C1107
R1111
0.1
6.3V100
VGND
75
V_GND
2
V_RETURN
iPod_VOUT
5
1
V_OUT
R1113
C1104
100
10
IC1101
C0ABAA000114
ISOLATION AMPLIFIER
TO MAIN
SECTION (7/8)
93
39
40
41
: FM SIGNAL LINE
R1120
R1117
10K
10K
R1116
R1121
10K
10K
C1114 C1116
C1118
R1122
100P
33P
1
1K
iPodR
C1119
A-7V
470P
AGND
4
3
2
1
VEE
IC1102
C0ABBB000189
C1110
0.1
OP-AMP
VCC
5
6
7
8
C1120
470P
C1109
C1113
C1115
C1117
R1123
0.1
100P
33P
1
1K
A+7V
iPodL
R1114
10K
R1119
10K
R1115
R1118
10K
10K
TO MAIN
SECTION (4/8)
1/8
2/8
3/8
4/8
5/8
6/8
7/8
8/8
SA-BT300PX MAIN CIRCUIT
42
P1

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