Read Panasonic KX-PX1CX Service Manual online
110
KX-PX1CX
12.1.7.
PictBridge I/F
+5V
C
UDP_F
001:6E;010:E5
UDM_F
001:6E;010:E5
ERR_LED
007:8D
PX10KEY
004:5D
PWRON
004:1B;006:2E
IP3.3V
004:5B
REMIN
REMIN
004:5A
PWROFF
004:1C
FR_RST#
001:1B;003:2B;004:1B
CL150
CL151
CL152
CL153
CL155
CL156
CL157
CL158
CL159
CL160
CL161
16
100n
C168
33
R287
33
R288
33
R289
CN13
8
CN13
7
CN13
3
CN13
6
CN13
9
CN13
1
CN13
10
CN13
12
CN13
4
CN13
5
CN13
11
CN13
2
CN13
13
KX-PX1CX MAIN SCHEMATIC DIAGRAM No.8
C
+5V
CL119
CL120
C
UDP_H
001:6E
UDM_H
001:6E
001:6E
UDM_H
001:6E
CL117
Pair line of equal length
Differential impedance
Ground guard
Differential impedance
Ground guard
CL118
+3.3V
USBOVC#
001:6E
001:6E
C
USBPEN
001:6E
001:6E
C
CL162
NC
R122
NC
R277
10k
R27
8
10k
R131
100
R136
50 1n
C
3
4
50
220p
C1
9
15k
R2
8
1
15k
R2
8
2
C
C
33
R285
33
R286
CN10
6
CN10
5
CN10
3
CN10
4
CN10
1
CN10
2
IC101
1
GND
2 VIN
3
*ENABLE_1
4
*ENABLE_2
5
*FAULT_2
6
OUT_2
7
OUT_1
8
*FAULT_1
10
100
u
C20
USB_HOST
6. VBUS
5. VBUS
4. DM
3. DP
2. GND
1. GND
5. VBUS
4. DM
3. DP
2. GND
1. GND
To PICTREM
main board
main board
KX-PX1CX MAIN SCHEMATIC DIAGRAM No.9
USB-HOST circuit for PictBridge
5V power supply
OUT_1: Not in use
VBUS Power supply control(H:ON)
Over-current
detection: L
detection: L
Current limit value
about 1A
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