Usb/Setup Mic Circuit - Panasonic SA-PT860E Service Manual

19.4. USB/Setup Mic Circuit

1 2 3
SCHEMATIC DIAGRAM - 11
A
E
USB/SETUP MIC CIRCUIT
CN6401
A 5
TO DGND 1
DVD MODULE (DV5) DGND 2
D+ 3
CIRCUIT (FP9001)
IN SCHEMATIC D- 4
B
DIAGRAM - 1 VBUS 5
1
D+
D-
C
CHASSIS
D
JK6502
L6505
J0JBC0000019
5
R6549
6.8K
4
3
SETUP MIC 2
1
6
E
7
L6504
J0JBC0000019
CHASSIS
C6539
1
F
G
R6532 D6532
100 B0ACCK000005
W6416
0
H
1 2 3
4 5 6
: +B SIGNAL LINE : -B SIGNAL LINE : USB SIGNAL LINE
LB6401
CN6402
J0JHC0000034
1 VBUS
2 D-
TO USB
3 D+
4 DGND
D+
R6401 0
D-
R6402 0
C6522 1
W6413 0
R6538 2.2K
R6535 R6536 C6533
180K 1K
1
Q6532
B1ADCE000012
C6531
1 MUTING
W6412 0
C6532
15P
1 2 3 4
IC6531
V-
C0CABBB000230
OP AMP Q6534
B1GDCFGA0018
SWITCH
V+
8 7 6 5
R6544
56K
C6536 R6545
1 150K
Q6531
R6541
B1ABEB000002
2.2K
MUTING
4 5 6
7 8 9 10
CN6501
9 MPORT R-CH
8 AGND
7 MPORT L-CH
6 ACS_MUTE
5 ACS
4 +7V
3 -7V
2 MPORTSW
1 DGND
R6540
2.2K
W6415
R6546
1.8K 0
Q6533
B1GDCFGA0018
BUFFER
7 8 9 10
111
SA-PT860E / SA-PT860EB / SA-PT860EG
11 12 13
1
B
TO
MAIN CIRCUIT
(CN2010)
IN SCHEMATIC
DIAGRAM - 6
9
SA-PT860E/EB/EG USB/SETUP MIC CIRCUIT
11 12 13
14
A
B
C
D
E
F
G
H
14