Panasonic VIERA SA-BX500EB Service Manual page 97

SCHEMATIC DIAGRAM - 13
I
C
MAIN(AUDIO) CIRCUIT
TO MAIN(AUDIO)
SECTION (1/4)
J
JK4006
1
TV_R
R
2
IN
R4022
C4042 C4044
(TV) 1K
100P 100P
TV_L
L
3
R4021
K C4041 C4043
1K
100P 100P
4
AUX_R
R
5
IN
R4020
(GAME) C4038 C4040
1K
100P 100P
L AUX_L
6
R4019
C4037 C4039
1K
100P 100P
JK4005
L
1
IN R STB_R
2
(CABLE/SAT) R4018
C4034 C4036
1K
100P 100P
STB_L
L
3
R4017
C4033 C4035
1K
100P 100P
4
VCR1_R
R
IN
5
M
(VCR) R4016
C4030 C4032
1K
100P 100P
L VCR1_L
6
R4015
C4029 C4031
1K
100P 100P
JK4001
1
R CD_R
2
N IN
R4002
C4002 C4004
(CD)
1K
100P 100P
L CD_L
3
R4001
C4001 C4003
1K
100P 100P
MIC_GND
IPOD_L
CP IPOD_L
IPOD_R
O CP IPOD_R
R4224
PB1002
2.2K
E
1
MIC_OUT
TO
MIC_OUT 1
PANEL CIRCUIT
MIC_GND 2
FVCR2IN_R
(PC501*)
FVCR2IN_R 3
IN SCHEMATIC
AGND 4
FVCR2IN_L
DIAGRAM - 19
FVCR2IN_L 5
5
P
1 2 3
: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE
R4273 R4235 R4275
0 0 0
FVCR2IN_L
R4271 R4233
0
0
MIC_GND
R4272 R4234 R4274 R4236
0
0 0 0
FVCR2IN_R
R4276
0
Q4008
B1GFGCAA0001
MUTING
4 3
5 2
MIC_OUT
6 1
R4163 C4163
1.5K 330P
R4161 R4165 C4165
1K 4.7K 25V10
4 3 2 1
V-
IC4009
C0ABBB000125
OP-AMP (FRONT OUT)
V+
5 6 7 8
R4162 R4166
1K 4.7K
R4164 C4164 C4166
25V10
1.5K 330P
4 5 6
: IPOD AUDIO SIGNAL LINE : AM/FM SIGNAL LINE : MIC SIGNAL LINE
R4241
0
R4242
0
BK+3.3V
QR4010 QR4011 QR4009
B1GDCFJJ0008 B1GDCFJJ0008 B1GDCFJJ0008
MUTING CONTROL MUTING CONTROL
MUTING CONTROL
R4216 R4214
4.7K 4.7K
D4001 B0ACCK000005
R4169
R4173
3.9K 1K
3 4
2 5
1 6
Q4009
B1GFGCAA0001
MUTING
R4174
R4170
3.9K 1K
7 8 9
97
: AUDIO SIGNAL LINE
AU: MAIN(AUDIO): SCHEMATIC DIAGRAM 11 - 14
CP: MAIN(CPU): SCHEMATIC DIAGRAM 15 - 18
QR4012 QR4013
B1GDCFJJ0008 B1GDCFJJ0008
MUTING CONTROL MUTING CONTROL
R4219 R4222
4.7K 4.7K
R4175 C4171
1.5K 330P
R4177 C4173 R4181
25V10 3.9K
4.7K
3 4
4 3 2 1
V-
IC4010
2 5
C0ABBB000125
OP-AMP
1 6
(SURROUND OUT)
V+
Q4010
5 6 7 8
B1GFGCAA0001
MUTING
R4178
4.7K
R4176 C4172 C4174 R4182
25V10 3.9K
1.5K 330P
AGND
1/4 2/4
3/4 4/4
SA-BX500EB/EE/EG MAIN(AUDIO) CIRCUIT
10 11 12
SA-BX500EB / SA-BX500EE / SA-BX500EG
P2
P1
A+7R5V
BK+3R3V
AGND CP
MIC_MUTE CP
+6DB
CP
ALL_MUTE CP
H.MUTE CP
SW_MUT
CP
2
AGND
A-7R5V
TO MAIN(AUDIO)
SECTION (4/4)
V+
AGND
1
P3
13 14