Panasonic VIERA SA-BX500EB Service Manual page 96

SA-BX500EB / SA-BX500EE / SA-BX500EG
15 16 17
SCHEMATIC DIAGRAM - 12
C
MAIN(AUDIO) CIRCUIT
P1
TO MAIN(AUDIO)
SECTION (1/4)
VIN_FR
C4110
C4109 100P VIN_FL
100P
C4112
C4111 0.1
0.1
IC4005
C0ABBB000125
OP-AMP (FRONT IN)
1 8
V+
2 7
3 6
4 V- 5
R4104 R4103
47K 47K
C4102 C4101
100P 100P
FL_IN
FR_IN
TO MAIN(AUDIO)
SECTION (4/4)
18 19 20
: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE
+7.5
8 7 6 5
V+
IC4050
C0ABBB000038
OP-AMP (BUFFER)
V-
1 2 3 4
R4254
C4250
22P 10K
D4251
B0ACCK000005
R4257
330 Q69831
2SB0621AHA
-7.5 POWER SUPPLY
C4119 R4115
330P 4.7K
C4115 R4111
R4119 R4117 C4117
1K 4.7K 330P 25V10 1K
8 7 6 5
V+
IC4006
C0ABBB000125
OP-AMP (SURROUND IN)
V-
1 2 3 4
R4120 R4118 C4118
1K 4.7K 330P
C4116 R4112
C4120 R4116 25V10 1K
330P 4.7K
21 22 23
: IPOD AUDIO SIGNAL LINE : AM/FM SIGNAL LINE : MIC SIGNAL LINE
IC4051
C0DBEKG00004
LOW DROP OUT REGULATOR
AU: MAIN(AUDIO): SCHEMATIC DIAGRAM 11 - 14
1 VC
CP: MAIN(CPU): SCHEMATIC DIAGRAM 15 - 18
2 VIN
3 GND
C4253
6.3V100
4 VOUT
5 ADJ
R4251 R4252
QR4014
10K 1K
B1GBCFJJ0007
R4253 ADJUST CONTROL
3.9K
DSP_A+5V
SOUT_2CHL
8 7 6 5
V+
IC4261
C0ABBB000038
OP-AMP (SURROUND OUT 2CH)
V-
1 2 3 4
AGND
SOUT_2CHR
C4131 R4125
330P 4.7K
C4127 R4121
R4129 R4127 C4129
25V10 1K
1K 4.7K 330P
8 7 6 5
V+
IC4007
C0ABBB000125 C0ABBB000125
OP-AMP (SUBWOOFER/
OP-AMP (SURROUND
CENTER IN)
V-
1 2 3 4
R4130 R4128 C4130 C4128 R4122
25V10 1K
1K 4.7K 330P
C4132 R4126
330P 4.7K
96
24 25 26
: AUDIO SIGNAL LINE
BK+3R3V
D+5V
SP_RELAY+11V
A+7R5V
A-7R5V
DGND
DCDET
VOL_CL
VOL_DA
TUN_SD
TUN_ST
TUN_SDA
TUN_SCL
RDS_DATA
RDS_CLK
RDS_RDY
SOUT_L
C4261 R4261
25V10 100
C4262 R4262
25V10 100
SOUT_R
C4263 25V10
C4264 25V10
FL_IN
AGND
FR_IN
SL_IN
SR_IN
C_IN
SW_IN
SBL_IN
C4143 R4135
330P 4.7K SBR_IN
C4139 R4131
R4139 R4137 C4141
1K 4.7K 330P 25V10 1K
8 7 6 5
V+
IC4008
BACK IN)
V-
1 2 3 4
R4138 C4142
R4140 1K
4.7K 330P
C4140 R4132
25V10 1K
C4144 R4136 1/4
330P 4.7K
3/4
27 28
A
BK+3R3V CP
DSP_A+5V CP
DSP_D+5V
CP
D+5V CP
SP_RELAY+11V
CP
A+7R5V CP
B
A-7R5V CP
DGND CP
AGND
CP
DCDET CP
VOL_CL CP
VOL_DA CP
TUN_SD CP
C
TUN_ST
CP
TUN_SDA CP
TUN_SCL
CP
RDS_DATA CP
RDS_CLK CP
RDS_RDY CP
FOR EB/EG
D
PB3002
20
1 DGND
2 DGND
3 D+5V
4 D+5V
5 A+5V
6 AGND
7 2CHL_OUT
E
8 AGND B
TO
9 2CHR_OUT
DSP CIRCUIT
10 MIC_OUT
(CN3002)
11 AGND
IN SCHEMATIC
12 FL_IN
DIAGRAM - 7
13 AGND
14 FR_IN
15 SL_IN
16 SR_IN
17 C_IN
18 SW_IN
19 SBL_IN
20 SBR_IN F
1
G
2/4
SA-BX500EB/EE/EG
4/4
MAIN(AUDIO) CIRCUIT
H