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