Panasonic SA-BT205GA Service Manual page 98

SCHEMATIC DIAGRAM - 28
B MAIN CIRCUIT
: +B SIGNAL LINE
P1
A+7V
SL_AVRS_IN
R3101 22K
SBL_AVRS_IN
R3102 22K
C3101
0.1
AGND
IC3101
C0ABBB000189
OP-AMP
C3102
0.1
SR_AVRS_IN
R3104 22K
SBR_AVRS_IN
R3105 22K
A-7V
R3116
22K
C3115 C3117
0.1
0.022
IC3104
C0ABBB000189
OP-AMP
R3118
47K
C3119
1000P
C3116
0.1
TO MAIN
SECTION (5/8)
15 16 17 18
: -B SIGNAL LINE : BD/DVD AUDIO INPUT SIGNAL LINE : iPod/AUX/MIC AUDIO INPUT SIGNAL LINE
R3103 R3107 R3109
15K 22K 22K
C3105 R3108
22K
0.1
C3103 C3107
33P 33P
5 6 7 8 5 6 7 8
+VCC +VCC
IC3102
C0ABBB000189
OP-AMP
-VCC -VCC
4 3 2 1 4 3 2 1
C3104
C3108
33P
33P
C3106
0.1
R3110 R3111
10K 10K
R3106
15K
R3120
C3118 C3124
22K
0.039 0.039
R3117 R3121
C3121
22K 22K
0.1
C3123
0.022
5 6 7 8 5 6 7 8
+VCC +VCC
IC3105
C0ABBB000189
OP-AMP
-VCC -VCC
4 3 2 1 4 3 2 1
R3122
47K
C3120 C3125 C3126
C3122
1000P R3119 1000P 1000P R3123
0.1
22K 22K
19 20 21
: iPod VIDEO INPUT SIGNAL LINE
TO MAIN
SECTION (2/8)
C3112
4700P
R3112 10K
C3109 R3113
10K
0.1
C3111
2200P
5 6 7 8
+VCC
IC3103
C0ABBB000189
OP-AMP
-VCC
4 3 2 1
R3114 39K
C3113 C3114
C3110
0.022 0.022
0.1
R3115
22K
R3124 10K
R3127 R3132
10K
10K
R3125 10K
R3126 10K
C3127
0.1
C3129
33P
5 6 7 8
+VCC
IC3106
C0ABBB000189
OP-AMP
-VCC
4 3 2 1
C3130 R3133
33P 10K
C3128
0.1
R3128 10K
R3129 10K
R3130 10K
R3131
10K
22 23 24
98
: AUDIO OUTPUT SIGNAL LINE : FM SIGNAL LINE
R3171
10K
C3173
33P
C3171
0.1
5 6 7 8
+VCC
IC3107
C0ABBB000189
OP-AMP
-VCC
C3172
0.1
4 3 2 1
C3174
33P
R3172
10K
TO MAIN
SECTION (7/8)
1/8 2/8 3/8 4/8
5/8 6/8 7/8 8/8
SA-BT205GA/GS MAIN CIRCUIT
25 26 27
P1
1
2
28