Panasonic KX-PX1EX Service Manual ▷ View online
109
KX-PX1EX
1
3
2
Q14
2
3
1
LED1[G]
1
2
10k
R245
1
2
3
4
5
6
7
8
C
C
4.7k
R244
1
2
3
4
5
6
7
8
LED2
001:6B
001:6B
LED2[R]
1
2
+3.3V
C
C
C
Q15
2
3
1
RM1
2
5
4
1
3
Q13
2
3
1
SYS_ERR
004:1C
004:1C
+3.3V
LED3[G]
1
2
C
LED3
001:6B
001:6B
KEY-1
LED4
001:6B
001:6B
Q16
2
3
1
1
3
2
KEY_PWR
004:5D
004:5D
ERR_LED
008:4C
008:4C
C
+3.3LV1
LED4[G]
1
2
+3.3LV1
C
LED1
001:6B
001:6B
FGE
+3.3LV1
100
R13
10k
R227
50 1n
C30
CL163
CL164
CL165
CL166
4.7k
R11
L110
FGE
120
R120
120
R121
120
R118
470
R119
POWER
KEY_LED BROCK
KX-PX1EX MAIN SCHEMATIC DIAGRAM No.7 (2/2)
Error LED OR connected
Unused
Error display output
by CPU (IC-3)
by CPU (IC-3)
Error display output by
mechanical CPU (IC8)
mechanical CPU (IC8)
$&&(66*UHHQ
(55255HG
35,17*UHHQ
32:(5*UHHQ
110
KX-PX1EX
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-PX1EX 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
R278
10k
R131
100
R136
50 1n
C34
50
220p
C1
9
15k
R281
15k
R282
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
100u
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-PX1EX 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
111
KX-PX1EX
MEMO
112
KX-PX1EX
13 Printed Circuit Board
13.1. Main Board
13.1.1.
Main Board (Component View)
R73
R9
C236
R101 R100
R8
9
R19
R88
C248
C246 C23
9
C24
9
R301
R77
R78
R80
R7
9
R81
R
99
R98
R27
C247
C253
C252
C42
C36
C43
C40
C35 C21 C25
C28 C45
C32
C157
C38 C23
C44
C2
9
R38 R32
C250
R18
R26
R264
C39
R237
C251
C11
C9
C241
C8
C160
C254
C27
C33
R291
R25
R28
R24
R43
R48
L120
+3.3V
+1.4V
L20
C142
C144
R2
98
C140
PG
CL83
+24V
4
2
3
C170
C172
1
L21
C111
C143
C135
+5V
PbF
IC13
10
L18
L19
C85
R157
VM
C84
C134
C256
C206
R269
Q108
E
C109
C105
L15
L4
L5
L6
L7
L8
L9
L10
L12
L11
L13
L14
L17
L16
CL69
CL132
L22
R113
R112
R116
R114
R57 R65 R67
C110
R246 R247
R156
Q4
E
IC14
8
14
7
1
C
90
IC15
8
14
7
1
C
92
IC17
4
3
C103
C94
DL4
C62
C93
IC18
3
IC6
4
1
5
C88
C86
R148
R14
9
R2
93
R292
C63
C243
R248
R229
R146
IC12
9
8
17
1
R130
R300
R16
C224
CL160
IC27
Q102
E
R111
C223
CL133
CL134
CL131
CL130
CL129
R2
99
PFUP1558Z -a
A
AUTO-CH
PCB-CH
REF-CH
D18
FR_RST
1
6
CN403
PbF
R402
PFUP1558Z -b
A
L402
LF401
L401
C403
C402
C404
1
4
7
6
5
JK401
R5
IC2
SW1
CL53
CL54
CL55
CL56
CL57
CL58
CL5
9
CL60
CL61
CL62
CL63
CL65
CL64
CL67
CL66
CL70
CL68
1
3
4
2
1
6
CN501
PbF
SW501
PFUP1558Z -c
A
C238
IC16
4
3
5
1
C
91
C212
JK1
CL135
CL136
CL138
CL137
R254
R253
D12
Q5
E
JK101
6
5
3
2
1
4
8
7
CN402
RM401
14
C401
R401
R2
97
R42
R29
C24
KX-PX1EX MAIN BOARD COMPONENT VIEW
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