Panasonic KX-PX1EX Service Manual ▷ View online
97
KX-PX1EX
(1)
+3.3V
C
+3.3V
C
C
C
+3.3V
IPSEN
004:6E
FR_IRQ#
004:1D
+3.3V
VBUS_F_DCT#
010:E4
USB_F_ENB#
010:E3
FGSEN_FRV
004:1D
MODSEN_FRV
004:1D
MOTSTOP
004:3A
+3.3V
ICE_RST#
004:1B
004:1B
FLMD#
004:1C
004:1C
CL11
CL12
CL12
TXD_78K
004:1C
004:1C
RXD_78K
004:1C
004:1C
VDG[0-4]
005:2C
005:2C
VDB[0-7]
005:2E
005:2E
VDENB
005:2B
005:2B
VDCLK
005:2B
005:2B
VSYNC
005:2D
005:2D
SCL0
004:1C
SDA0
004:1C
UDM_F
008:4C;010:E5
UDP_F
008:4C;010:E5
UDM_H
009:E4
UDP_H
009:E4
USBOVC#
009:E5
USBPEN
009:E5
C
C
LED1
007:7D
LED2
007:8D
LED3
007:7D
LED4
007:7E
C
C
C
C
C
CL128
+3.3VCPU
R237
1
2
3
4
5
4
5
6
7
8
R236
1
2
36
7
8
C
+3.3V
HEAD_THRM_ERR
004:1C
004:1C
FLPWRON
004:3A
+3.3VUSB
010:E4
GND
010:E5
C
+3.3V
10k
R60
10k
R62
10k
R63
10k
R57
0
R264
10k
R58
0
R260
0
R259
0
R266
10k
R238
3.3k
R65
3.3k
R67
10
R228
10k
R232
50
100p
C160
16
100n
C13
50
220p
C16
33k
R283
10k
R284
CL167
CL168
CL169
CL170
CL168
CL169
CL170
C158
C157
C15
9
C
X2
1
ENABLE
3
OUT
4
VDD
2
GND
IC3
PP00
A14
PP01
A13
PP02
B13
PP03
C13
PP12
A10
PP13
A8
PP14
E10
PP15
B10
PP16
B8
PP17
A9
PP18
C10
PP20
B9
PP19 D10
PP21 C9
PP21 C9
PP09 A11
PP08 E12
PP06 C12
PP07 D12
PP08 E12
PP06 C12
PP07 D12
PP10 B11
PP11 C11
PP11 C11
PP04 A12
PP05 B12
PP05 B12
VIDEO_OUTPUT
VIDEO_CAPUTURE
IC3
VDR7 R2
VDR6 R1
VDR5 P5
VDR4 P4
VDR3 P3
VDR2 P2
VDR1 P1
VDR0 N1
VDR6 R1
VDR5 P5
VDR4 P4
VDR3 P3
VDR2 P2
VDR1 P1
VDR0 N1
VDG7 U2
VDG6 U1
VDG5 T5
VDG4 T4
VDG3 T3
VDG2 T2
VDG1 T1
VDG0 R3
VDG6 U1
VDG5 T5
VDG4 T4
VDG3 T3
VDG2 T2
VDG1 T1
VDG0 R3
VDB7 W2
VDB6 W1
VDB5 V5
VDB4 V4
VDB3 V3
VDB2 V2
VDB1 V1
VDB0 U3
VDB6 W1
VDB5 V5
VDB4 V4
VDB3 V3
VDB2 V2
VDB1 V1
VDB0 U3
ENABLE Y1
DISABLE AA2
TOPFIELD Y2
VDCLKOUT W3
VDHSYNC W4
VDVSYNC W5
VDVSYNC W5
VDPCLKIN Y5
VCVSYNC
H2
VCHSYNC
H3
VCDCLKIN
J5
VCR7
L3
VCR6
K1
VCR5
K2
VCR4
K3
VCR3
K4
VCR2
K5
VCR1
J1
VCR0
J2
VCG7
H4
VCG6
H5
VCG5
G1
VCG4
G2
VCG3
G3
VCG2
G4
VCG1
G5
VCG0
F1
VCB7
N2
VCB6
M1
VCB5
M2
VCB4
M3
VCB3
M4
VCB2
M5
VCB1
L1
VCB0
L2
TEST
SD/MS-CARD
I2C
AUDIO
USB-H/F
IC3
USCKI
B5
UDM
B4
UDP
C4
UDM1
E4
UDP1
E5
*HOVRCUR
F5
HPWREN
E1
SDCKI
B6
MSDIRP
E8
SDWP
D8
SDCD
D6
SDCMD
A7
SDDAT3
E7
SDDAT2
D7
SDDAT1
C7
SDDAT0
B7
SDCLK
C8
SDMSSELECT
E6
SCL0
AC5
SDA0
AD4
SCL1
AD5
SDA1
AE4
FSCKI
AA3
LRCKI
AB3
SDO
AC3
SDI
AA4
BCKO
AB4
BCKI
AA5
LRCKO
AB5
TESTMODE
AE23
TDC
AD23
MTESTMODE
AC23
50
33p
C243
50
33p
C238
C
33p
C240
33p
C241
R290
R291
C
50
15p
C14
33
R292
33
R293
L107
L108
16
100n C255
L111
L109
CL171
VDG[0-4]
VDG[0]
VDG[1]
VDG[2]
VDG[3]
VDB[0-7]
VDB[0]
VDB[1]
VDB[2]
VDB[3]
VDB[4]
VDB[5]
VDB[6]
VDG[4]
UDP_H
USBPEN
VDB[7]
Periferal
Video I/F
Serial I/F
48MHz
CP1
-3
48MHz
USB-H
USB-H (PictBridge) and USB-F
(PC connection) transmitter for circuits
(PC connection) transmitter for circuits
(PictBridge)
CP1
-7
CP1
-6
KX-PX1EX MAIN SCHEMATIC DIAGRAM No.1 (2/2)
Thermal head data,
control signal
control signal
Communication with
Mechanical CPU (IC8)
Mechanical CPU (IC8)
Mechanical CPU (IC8)
programming signal line
programming signal line
Unused
Unused
Unused
Thermal head abnormally high
temperature search signal
temperature search signal
LED control
Monitor halt
(override termination)
(USB-F)
(USB-F)
Pc connection detection
Pc connection reply
USB-F
(PC connection)
V-BUS supply energy
conduction search
conduction search
V-BUS supply
permission
permission
98
KX-PX1EX
C
+3.3V
C
C
DL2
1
2
3
C
C
C
DL1
1
2
3
C
+1.4V
C
C
DG
C
C
C17
10u/4V
16
100n
C31
16
100n
C2
9
16
100n
C23
16
100n
C25
16
100n
C32
16
100n
C38
16
100n
C21
16
100n
C33
16
100n
C42
16
100n
C28
16
100n
C3
9
16
100n
C45
16
100n
C43
16
100n
C27
16
100n
C40
16
100n
C35
16
100n
C36
16
100n
C44
+3.3VCPU
POWER_3.3V
POWER_1.4V
GND
IC3
AA1
AB2
Y25
D3
F3
C18
C6
D4
J4
L4
N4
AC4
AC6
AC8
AC10
AC18
AC22
R23
D21
D16
D14
R5
U5
AB14
AB16
AB20
U22
N22
L22
J22
G22
E13
E11
AF5
V26
A5
E2
F2
J3
Y3
AD8
C5
D18
AB12
AB13
AB18
AB22
W22
V22
E22
E1
9
E
9
H1
AB1
AF12
AA26
A20
A6
AE5
E3
N3
AD12
AD18
AD22
V24
F4
R4
U4
Y4
AC13
AC14
AC16
AC20
Y23
V23
N23
L23
J23
G23
E23
D13
D11
D
9
D5
L5
N5
AB6
AB8
AB10
R22
E21
E18
E16
E14
THERMAL
THERMAL
IC3
K10
L10
M10
N10
P10
R10
T10
U10
U11
U12
U13
U14
U15
U16
U17
T17
R17
P17
N17
M17
L17
K17
K16
K15
K14
K13
K12
K11
L11
M11
N11
P11
R11
T11
T12
T13
T14
T15
T16
R16
P16
N16
M16
L16
L15
L14
L13
L12
M12
N12
P12
R12
R13
R14
R15
P15
N15
M15
M14
M13
N13
P13
P14
N14
NC
NC
IC3
A1
B1
C1
D1
AC1
AD1
AE1
AF1
AF2
AF3
AF4
AF23
AF24
AF25
AF26
AE26
AD26
AC26
D26
C26
B26
A26
A25
A24
A23
A4
A3
A2
B2
C2
D2
AC2
AD2
AE2
AE3
AE24
AE25
AD25
AC25
C25
B25
B24
B23
B3
C3
AD3
AD24
C24
C156
10
C155
10
C18
Power/GND
N.C.
Thermal GND
10
KX-PX1EX MAIN SCHEMATIC DIAGRAM No.2
99
KX-PX1EX
Memo
100
KX-PX1EX
12.1.2.
FROM/SDRAM
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(11)
(13)
(15)
(17)
(18)
(10)
(12)
(14)
(16)
(19)
R77
1
2
3
4
2
3
4
5
4
5
4
5
4
5
4
5
6
7
8
R78
1
2
3
2
3
6
7
8
R79
1
2
3
2
3
6
7
8
R80
1
2
3
2
3
6
7
8
R81
1
2
3
2
3
6
7
8
CPA[1-31]
001:1C
C
+3.3V
C
CPWE#
001:5C
FR_RST#
001:1B;004:1B;008:4C
ROMCS#
001:5B
CPRD#
001:5D
IC4
1
VDD1
2
DQ0
3
VDDQ1
4
DQ1
5
DQ2
6
VSSQ1
7
DQ3
8
DQ4
9
VDDQ2
10
DQ5
11
DQ6
12
VSSQ2
13
DQ7
14
NC1
15
VDD2
16
DQM0
17
*WE
18
*CAS
19
*RAS
20
*CS
21
NC2
22
BA0
23
BA1
24
A10/AP
25
A0
26
A1
27
A2
28
DQM2
29
VDD3
30
NC3
31
DQ16
32
VSSQ3
33
DQ17
34
DQ18
35
VDDQ3
36
DQ19
37
DQ20
38
VSSQ4
39
DQ21
40
DQ22
41
VDDQ4
42
DQ23
43
VDD4
44
VSS1
45
DQ24
46
VSSQ5
47
DQ25
48
DQ26
49
VDDQ5
50
DQ27
51
DQ28
52
VSSQ6
53
DQ29
54
DQ30
55
VDDQ6
56
DQ31
57
NC4
58
VSS2
59
DQM3
60
A3
61
A4
62
A5
63
A6
64
A7
65
A8
66
A9
67
CKE
68
CLK
69
NC5
70
NC6
71
DQM1
72
VSS3
73
NC7
74
DQ8
75
VDDQ7
76
DQ9
77
DQ10
78
VSSQ7
79
DQ11
80
DQ12
81
VDDQ8
82
DQ13
83
DQ14
84
VSSQ8
85
DQ15
86
VSS4
C
C
SDD[0-31]
001:5F
SDA[0-11]
001:1E
SDDM[0-3]
001:1E
SDWE#
001:1F
SDCAS#
001:1F
SDRAS#
001:1E
SDCS0#
001:1D
SDBA0
001:1E
SDBA1
001:1E
+3.3V
IC5
1
A15
2
A14
3
A13
4
A12
5
A11
6
A10
7
A9
8
A8
9
NC1
10
NC2
11
*WE
12
*RESET
13
NC3
14
NC4
15
RY/*BY
16
A18
17
A17
18
A7
19
A6
20
A5
21
A4
22
A3
23
A2
24
A1
25
A0
26
*CE
27
VSS1
28
*OE
29
DQ0
30
DQ8
31
DQ1
32
DQ9
33
DQ2
34
DQ10
35
DQ3
36
DQ11
37
VCC
38
DQ4
39
DQ12
40
DQ5
41
DQ13
42
DQ6
43
DQ14
44
DQ7
45
DQ15/A-1
46
VSS2
47
*BYTE
48
A16
33
R261
0
R105
16
10n
C46
16
100n
C4
9
16
100n
C47
16
100n
C50
16
100n
C48
DL5
1
2
3
C
+3.3RAMV
+3.3RAMV
+3.3RAMV
33k
R1
9
33k
R9
1
2
3
4
6
5
7
8
+3.3RAMV
C
100n
C234
100n
C235
100n
C236
100
R100
100
R75
100
R101
100
R76
100
R73
100
R74
100
R87
100
R95
100
R94
100
R86
1
2
3
2
3
6
7
8
100
R82
1
2
3
4
2
3
4
6
7
8
100
R84
1
2
3
2
3
6
7
8
R83
1
2
3
4
2
3
4
6
7
8
R85
1
2
3
4
2
3
4
6
7
8
100
R90
1
2
3
4
2
3
4
6
7
8
R91
1
2
3
4
2
3
4
6
7
8
100
R88
1
2
3
4
2
3
4
6
7
8
R92
1
2
3
2
3
6
7
8
R89
1
2
3
2
3
6
7
8
100
R93
100
R239
1
2
3
4
5
6
7
8
6
7
8
CPAA[1-21]
CPAA[1]
CPAA[2]
CPAA[3]
CPAA[4]
CPAA[5]
CPAA[6]
CPAA[7]
CPAA[8]
CPAA[9]
CPAA[10]
CPAA[11]
CPAA[12]
CPAA[13]
CPAA[14]
CPAA[15]
CPAA[16]
CPAA[19]
CPA[1-31]
CPA[3]
CPA[2]
CPA[4]
CPA[1]
CPA[7]
CPA[6]
CPA[8]
CPA[5]
CPA[9]
CPA[10]
CPA[11]
CPA[12]
CPA[13]
CPA[14]
CPA[15]
CPA[16]
ROMCS#
CPDD[1]
CPDD[2]
CPDD[3]
CPDD[4]
CPDD[5]
CPDD[6]
CPDD[7]
CPDD[8]
CPDD[9]
CPDD[10]
CPDD[11]
CPDD[12]
CPDD[13]
CPDD[14]
CPDD[15]
CPDD[0]
SDD[0]
SDD[1]
SDD[2]
SDD[3]
SDD[1]
SDD[2]
SDD[3]
SDD[4]
SDD[5]
SDD[6]
SDD[7]
SDD[5]
SDD[6]
SDD[7]
SDD[8]
SDD[9]
SDD[10]
SDD[11]
SDD[12]
SDD[13]
SDD[14]
SDD[15]
SDD[16]
SDD[17]
SDD[18]
SDD[19]
SDD[17]
SDD[18]
SDD[19]
SDD[20]
SDD[21]
SDD[22]
SDD[23]
SDD[21]
SDD[22]
SDD[23]
SDD[24]
SDD[25]
SDD[26]
SDD[27]
SDD[28]
SDD[29]
SDD[30]
SDD[31]
SDD[0-31]
SDA[0]
SDA[1]
SDA[2]
SDA[1]
SDA[2]
SDA[0-11]
SDDM[0-3]
SDA[10]
SDA[11]
CPAA[17]
CPAA[18]
CPAA[3]
CPAA[2]
CPAA[4]
CPAA[1]
CPAA[7]
CPAA[6]
CPAA[8]
CPAA[5]
CPAA[9]
CPAA[10]
CPAA[11]
CPAA[12]
CPAA[13]
CPAA[14]
CPAA[15]
CPAA[16]
CPAA[18]
CPAA[19]
CPAA[20]
CPA[18]
CPA[19]
CPA[20]
CPAA[21]
CPAA[20]
CPAA[17]
CPA[17]
CPAA[21]
CPA[21]
SDDM[3]
SDDM[2]
SDDM[1]
SDDM[0]
SDDQM[0]
SDDQM[2]
SDDQM[1]
SDDQM[3]
SDDQM[3]
SDDQM[1]
FlashROM(8Mbit)
SDRAM(64Mbit)
A19
A20
A20
100
100
33
33
33
33
33
100
100
100
5
5
4
5
5
4
5
5
4
5
5
5
4
5
Program ROM
(Flash ROM:8Mbit/1Mbyte)
(Flash ROM:8Mbit/1Mbyte)
CP3
-3
Write signal
Reset signal
KX-PX1EX MAIN SCHEMATIC DIAGRAM No.3 (1/2)
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