Panasonic SA-AKX18P, Service Manual

Page: 16 / 32

16
6.3. Main (USB) Circuit
A
1 2 3 4 5 6 7 8 9 10 11 12 13 14
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
A MAIN (USB) CIRCUIT
SCHEMATIC DIAGRAM - 3
SA-AKX18P MAIN (USB) CIRCUIT
: +B SIGNAL LINE
B
TO
PANEL
CIRCUIT (
CN9000 )
IN SCHEMATIC
DIAGRAM - 9
D
TO
USB CIRCUIT (
ZJ9301* )
IN SCHEMATIC
DIAGRAM - 10
NOTE: “ * ” REF IS FOR INDICATION ONLY
: USB SIGNAL LINE
DA: MAIN (DAMP) SCHEMATIC DIAGRAM - 1
VO: MAIN (VOLTAGE REGULATOR) SCHEMATIC DIAGRAM - 5
MI: MAIN (MICON) SCHEMATIC DIAGRAM - 6 ~ 8
PW_SYS_3R3V
MI
MI
VO
MI
MI
MI
MI
MI
VO
MI DA
USB_D+
USB-B
USB_REC_LED
DGND
PW_USB5V
PW_5V
USB_SEL
USB_MUX_OE
USB_OVC
USB-A
0
LB2503
R2514
2.2K
USB_D-
MI
MI
DGND
KEY2
KEY3
0.01
C2522
0.01
C2524
0.01
C2523
0.01
C2521
PW_5V
PW_3R3V
PW_SYS_3R3V
LED_DIMMER
0.01
C2527
470P
C2532
0.01
C2533
470P
C2531
0.01
C2535
0.01
C2537
0.01
C2536
0.01
C2534
0.01
C2528
470P
C2530
470P
C2529
0.01
C2526
KEY1
RMT
VOL_JOG
ROT_JOG
NC
NC
6
5
8
9
11
12
10
15
17
17
16
13
14
7
2
1
1
4
3
CN2500
100
R2501
B1GBCFGN0016
LED DRIVE
QR2500
330
R2503
DSA200100L
SWITCH
Q2500
R2510
100K
3
1
2
4
5
C0DBZYY00716
HIGH SIDE SWITCH
IC2502
R2504
10K
0.1
C2506 C2507
4.7
0.1
C2504
3
1
2
4
5
C0DBZYY00716
HIGH SIDE SWITCH
IC2501
C2508
4.7
2
4
3
1
G1
6
8
7
5
G2
CN2502
KEY1
KEY2
FL_CLK
RMT
PW_3R3V
LED_DIMMER
PW_5V
DGND
KEY3
PW_SYS_3R3V
ROT_JOG MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
VO
MI VO
VO
FL_CS
VOL_JOG
FL_DAT
USB_B_D-
PW_D5V
USB_A_D-
PW_USBA_5V
PW_USBB_5V
C2505
0.1
DGND
0
R2507
6
5 1
10
3 4 2
8 9 7
C1CB00003106
SELECTOR
IC2500
NC
LCD_DATA
LCD_CE
LCD_WR
SELECT
GND
EN
EN
GND
VIN
VIN
/OC
/OC
VOUT
VOUT
iPod- VCC
OE/
USB-
D+ GND D- iPod+ USB+
R2520
2.2K
C2509 0.1
C2510 0.1
C2511 0.1