Panasonic SA-XR700EG Service Manual page 93

SCHEMATIC DIAGRAM - 17
INPUT CIRCUIT
C1
C2
AGND
Q501
B1GFGCAA0001
MUTING SWITCH
3
4
IC502
AGND
C0ABBB000038
2 5
DUAL OP-AMP
TO INPUT 1 6
R593
AGND
SECTION (1/2)
1K
C3
C4
C5
AGND
Q502
B1GFGCAA0001
MUTING SWITCH
3 4
AGND
IC505
2 5
C0ABBB000038
DUAL OP-AMP
1
6
R592
AGND
1K
C6
C7
C8
AGND
Q503
B1GFGCAA0001
MUTING SWITCH
3
4
AGND
IC508
2 5
C0ABBB000038
DUAL OP-AMP
1 6
R591
AGND
1K
C9
R579
820K
C10
14 15 16
: + B SIGNAL LINE : - B SIGNAL LINE : MAIN SIGNAL LINE
R520 10K
C508 25V10
R512 R514
11K 4700
C515
AGND AGND
0.1 C510
330P
4 3 2 1 4
AGND
IC502 IC503
C0ABBB000038
DUAL OP-AMP
5 6 7 8 5
C509
330P
C507
R515 R517
R513
25V10
11K 4700 10K
R540 10K
C522 25V10
R532 R534
11K 4700
C530
AGND AGND
0.1 C524
330P
4 3 2 1 4
AGND
IC505
IC506
C0ABBB000038
DUAL OP-AMP
5 6 7 8 5
C523
330P
C521
R533 R535 R537
25V10
4700 10K
11K
R560 10K
C537 25V47
R553 R555
11K 4700
C547
AGND
0.1 C541
AGND
100P
4 3 2 1 4
AGND
IC508
IC509
C0ABBB000038
DUAL OP-AMP
5 6 7 8 5
C542
100P
C538
R554 R556
R552
25V47
11K 4700 10K
QR510
B1GDCFJJ0008
QR511
CONTROL SWITCH
UNR211500L
(ATTENUATION)
SWITCH
R582
2200
AGND
17 18 19
JW1004
AD_SWIN- AGND
12
AD_SRIN-
AD_SRIN-
11
R516 R518 AD_SRIN+
AD_SRIN+
10
10K 10K
AD_SWIN+
AGND
9
AD_SLIN-
C512 AD_SLIN-
8
150P
AD_SLIN+ AD_SLIN+
3 2 1
7
AGND
6
AD_SWIN-
AD_SWIN-
5
AD_SWIN+ AD_SWIN+
4
IC503 AGND
3
AD_CIN-
AD_CIN-
2
AD_CIN+ AD_CIN+
1
6 7 8
C511
150P JW1001
AD_CIN+
AGND
AD_RIN- AD_RIN-
R519
6
10K AD_RIN+ AD_RIN+
5
AD_CIN- AGND
4
AGND
R590
AD_SRIN- AGND 3
AD_LIN- 0 AD_LIN-
2
AD_LIN+ AD_LIN+
1
R536 R538
10K 10K
AD_SRIN+
PA6501
C526
V_A V_A
150P 19
3 2 1 V_B V_B
18
V_C V_C
17
OSD_CLK OSD_CLK
16
AGND
OSD_DATA OSD_DATA
W102
15
IC506
0 OSD_STB OSD_STB
14
DCDET DCDET
13
SW_OUT SW_OUT
W103
12
0
AGND
11
ATT ATT
6 7 8
10
C525
9
150P
AD_SLIN+
SEL_STB SEL_STB
8
R539 XM_SEL XM_SEL
10K 7
W101 SEL_DATA SEL_DATA
6
0
AD_SLIN-
TUN_SD TUN_SD
5
SEL_CLK SEL_CLK
AD_LIN-
4
TUN_CE TUN_CE
3
TUN_ST TUN_ST
R557 R559
2
10K 10K SW_DET SW_DET
AD_LIN+
1
C543
47P
-15V -15V
3 2 1
8
+15V +15V
7
+5VA +5VA
6
+5VD +5VD
5
DGND
IC509
4
VGND
3
+5V +5V
2
-5V -5V
1
6 7 8 P401
+5VA
C544
47P
AD_RIN+
MIC_GND
R558 1
MIC_OUT MIC_OUT
10K
2
AUXIN_R AUXIN_R
AD_RIN-
3
AGND
4
AUXIN_L AUXIN_L
DCDET
5
P403
DC_DET+7V
V_A V_A
+5V
1
V_B V_B
2
V_C V_C
3
4
5
6
-5V -5V
7
+5V +5V
8
VGND
9
PA304
20 21 22
93
TO
DSP CIRCUIT
(CN1002) IN
SCHEMATIC
DIAGRAM-2
TO
DSP CIRCUIT
(CN1003) IN
SCHEMATIC
DIAGRAM-2
TO
MAIN (DIG1)
CIRCUIT
(PB6501) IN
SCHEMATIC
DIAGRAM-4
TO
POWER
CIRCUIT
(JW401) IN
SCHEMATIC
DIAGRAM-23
TO
FRONT JACK
CIRCUIT (JW905)
IN SCHEMATIC
DIAGRAM-30
TO
VIDEO & OPTICAL
CIRCUIT
(JWB304) IN
SCHEMATIC
DIAGRAM-29
2 SA-XR700EG INPUT CIRCUIT
/
2
23 24
SA-XR700EG
H
G
F
E
D
C
B
A
25 26