Backend Circuit - Panasonic SA-XH70PH Service Manual

17.2. Backend Circuit

1 2 3
SCHEMATIC DIAGRAM - 1
A
A BACKEND CIRCUIT
B
C
D
E
JK8301
F VGND
1
VIDEO OUT
2
VIDEO (YEL)
JK8001
GND
2
DIGITAL AUDIO IN
OPT-IN 3
(OPTICAL)
G
VCC 1
H
4 5 6
: +B SIGNAL LINE : CD/DVD AUDIO INPUT SIGNAL LINE
L2802
R8325 C2823 R8326 LB8317
0 100P J0JBC0000015 0 0
C8030
6.3V33
R8025
0
OPT_IN
L8001
G1C100M00049
PW_D+3R3V
7 8 9
: CD/DVD VIDEO INPUT SIGNAL LINE : HDMI/AUX/TUNER/OPTICAL AUDIO INPUT SIGNAL LINE
USB_DN
USB_DP
USB_OC
5 4
IC9006
VOUT /OC
C0DBZYY00311
HIGH SIDE SWITCH VIN GND EN
1 2 3
VBUS_EN
DGND
PW_USB_5V
C9006
0.1
R8324 R8323 R8321
75 75 75
VGND
TO BACKEND
CIRCUIT (4/6)
83
10 11 12
: AUDIO OUTPUT SIGNAL LINE : VIDEO OUTPUT SIGNAL LINE
FP9001
C
R9001
1 VBUS
TO
0
2 D- PANEL CIRCUIT
3 D+ (CN951*)
R9002
4 DGND IN SCHEMATIC
0
5 DGND DIAGRAM - 15
LB9003
LB9002
0 0
K8004
0
CL8021 CL8014 CL8022
D8301
DA3X101F0L
2
3
1
R8322
75
1/6 2/6 3/6
4/6 5/6 6/6
SA-XH70PH BACKEND
13 14
: USB SIGNAL LINE
P1
K8009
0
CL8019
TO BACKEND
CIRCUIT (2/6)
CIRCUIT