Panasonic KX-P7105 / KX-P7110 (serv.man2) Service Manual ▷ View online
7.2. Engine Control Board
7.2.1. IC001 ( ASIC )
IC001 (ASIC)
Symbol
In/Out
Function
Symbol
In/Out
Function
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
50
VDD
CLKR
CLKI
CLKOUT
VSS
NRST
RSTO
nLED0
nLED1
nLED2
AI7
AI6
AI5
AI4
AI3
AI2
AI1
AI0
EO1
CI0
CI1
CI2
CI3
EO2
VDD
GND
EO3
EO4
EO0
SEL
DI3
FO4
DI1
DI2
FO3
FO2
FO1
FO0
BI7
BI6
BI5
BI4
BI3
BI2
BI1
BI0
DI0
LD5VSW
CLKR
CLKI
CLKOUT
VSS
NRST
RSTO
nLED0
nLED1
nLED2
AI7
AI6
AI5
AI4
AI3
AI2
AI1
AI0
EO1
CI0
CI1
CI2
CI3
EO2
VDD
GND
EO3
EO4
EO0
SEL
DI3
FO4
DI1
DI2
FO3
FO2
FO1
FO0
BI7
BI6
BI5
BI4
BI3
BI2
BI1
BI0
DI0
LD5VSW
nSM1EN
GND
GND
-
OUT
IN
OUT
-
IN
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
IN
OUT
-
+5V
Crystal Connect (12MHz)
Crystal Connect (12MHz)
12MHz Clock Output
GND
System Reset
N.C
(not used)
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
N.C
GND
GND
GND
GND
N.C
+5V
GND
N.C
N.C
(not used)
GND
GND
N.C
GND
GND
N.C
N.C
N.C
N.C
GND
GND
GND
GND
GND
GND
GND
GND
GND
Drum Unit Detect
Switch Status
Stepping Motor CH1 Enable
GND
Crystal Connect (12MHz)
Crystal Connect (12MHz)
12MHz Clock Output
GND
System Reset
N.C
(not used)
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
N.C
GND
GND
GND
GND
N.C
+5V
GND
N.C
N.C
(not used)
GND
GND
N.C
GND
GND
N.C
N.C
N.C
N.C
GND
GND
GND
GND
GND
GND
GND
GND
GND
Drum Unit Detect
Switch Status
Stepping Motor CH1 Enable
GND
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
VDD
SM1A
SM1B
nTRST
SM0A
SM0NA
SM0B
SM0NB
nCS
SDI
SDO
SCLK
nLEDO0
nLEDO1
nLEDO2
nBD
nLDEN
nADJUST
nVIDEO
nVD
nHSYNC
CDO3
VSS
PCNTCLK
VDD
GND
ABO0
ABO1
ABO2
ABO3
ABO4
ABO5
ABO6
ABO7
CDO0
EFI0
EFI1
EFI2
EFI3
EFI4
CDO2
CDO1
VSS
nRAS0
nRAS1
nCAS
nRAS
nLCAS
nUCAS
GND
SM1A
SM1B
nTRST
SM0A
SM0NA
SM0B
SM0NB
nCS
SDI
SDO
SCLK
nLEDO0
nLEDO1
nLEDO2
nBD
nLDEN
nADJUST
nVIDEO
nVD
nHSYNC
CDO3
VSS
PCNTCLK
VDD
GND
ABO0
ABO1
ABO2
ABO3
ABO4
ABO5
ABO6
ABO7
CDO0
EFI0
EFI1
EFI2
EFI3
EFI4
CDO2
CDO1
VSS
nRAS0
nRAS1
nCAS
nRAS
nLCAS
nUCAS
GND
-
OUT
-
-
-
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
OUT
IN
-
-
-
-
-
IN
OUT
OUT
OUT
OUT
OUT
IN
OUT
-
-
-
IN
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+5V
2nd Feeder Clock
N.C
GND
Stepping Motor CH0 Phase A
Stepping Motor CH0 Phase A
Stepping Motor CH0 Phase B
Stepping Motor CH0 Phase B
Serial I/F Chip Select
Serial Input Data
Serial Output Data
Serial Clock
N.C
N.C
N.C
Laser Beam Detect of LSU
Laser Enable
Laser Power Adjust
Video Data Output
Video Data Input
Hsync
N.C
GND
Pull Up
+5V
GND
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
+5V
GND
GND
GND
GND
N.C
N.C
GND
GND
GND
GND
N.C
N.C
N.C
GND
2nd Feeder Clock
N.C
GND
Stepping Motor CH0 Phase A
Stepping Motor CH0 Phase A
Stepping Motor CH0 Phase B
Stepping Motor CH0 Phase B
Serial I/F Chip Select
Serial Input Data
Serial Output Data
Serial Clock
N.C
N.C
N.C
Laser Beam Detect of LSU
Laser Enable
Laser Power Adjust
Video Data Output
Video Data Input
Hsync
N.C
GND
Pull Up
+5V
GND
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
+5V
GND
GND
GND
GND
N.C
N.C
GND
GND
GND
GND
N.C
N.C
N.C
GND
Pin
No.
No.
Pin
No.
No.
125
KX-P7105 / KX-P7110
7.2.2. IC002 ( Comparators )
IC002 (Comparators)
Pin
No.
No.
Symbol
In/Out
Function
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
A OUTPUT
A -INPUT
A +INPUT
GND
B+INPUT
B -INPUT
B OUTPUT
VCC
A -INPUT
A +INPUT
GND
B+INPUT
B -INPUT
B OUTPUT
VCC
Out
In
In
In
-
In
In
In
Out
-
Comparator A Output
Comparator A-Input
Comparator A+Input
GND
Comparator B+Input
Comparator B-Input
Comparator B Output
+5V
Comparator A-Input
Comparator A+Input
GND
Comparator B+Input
Comparator B-Input
Comparator B Output
+5V
7.2.3. IC003 ( Reset IC )
IC003 (Reset IC)
Pin
No.
No.
Symbol
In/Out
Function
1
2
3
4
2
3
4
GND
VDD
CD
RESET
VDD
CD
RESET
-
-
-
-
-
Out
GND
+5V
Delay Capacitor
Reset Signal
+5V
Delay Capacitor
Reset Signal
126
KX-P7105 / KX-P7110
7.2.4. IC004 ( Engine Control CPU )
IC004 (Engine Control CPU)
Pin
No.
No.
Symbol
In/Out
Function
Pin
No.
No.
Symbol
In/Out
Function
1
2
3
4
5
6
7
2
3
4
5
6
7
8
9
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
UI2
INT27
AN0
P51
P52
P53
P54
INT27
AN0
P51
P52
P53
P54
P55
P56
P57
AVCC
AVR
AVSS
INT10
P61
INT12
P63
P64
nRST
MOD0
MOD1
X0
X1
VSS
P27
P26
P25
P24
P23
PPGO2
PPGO1
P20
P56
P57
AVCC
AVR
AVSS
INT10
P61
INT12
P63
P64
nRST
MOD0
MOD1
X0
X1
VSS
P27
P26
P25
P24
P23
PPGO2
PPGO1
P20
-
In
In
In
In
In
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
-
-
-
-
-
In
In
In
In
In
In
In
In
In
In
In
-
-
-
In
-
-
-
-
-
-
-
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
(not used)
Door open signal
Thermistor voltage detect
TESEN
Scanner motor control signal
Fan motor control signal
Toner Empty LED control
signal
Charger control signal
Dev. bias channel signal
Transfer bias control signal
+5V
+5V
GND
Hsync signal
Scanner motor lock signal
Top sennsor signal
Process unit detection signal
Fan motor error signal
System reset
GND
GND
System clock
N.C.
GND
(not used)
(not used)
EEPROM data out
EEPROM clock
EEPROM chip select
Scanner motor clock
Fuser contorl signal
+5V contorl signal
Door open signal
Thermistor voltage detect
TESEN
Scanner motor control signal
Fan motor control signal
Toner Empty LED control
signal
Charger control signal
Dev. bias channel signal
Transfer bias control signal
+5V
+5V
GND
Hsync signal
Scanner motor lock signal
Top sennsor signal
Process unit detection signal
Fan motor error signal
System reset
GND
GND
System clock
N.C.
GND
(not used)
(not used)
EEPROM data out
EEPROM clock
EEPROM chip select
Scanner motor clock
Fuser contorl signal
+5V contorl signal
33
34
35
36
37
34
35
36
37
38
39
40
41
42
43
44
45
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
P17
P16
P15
P14
P13
P16
P15
P14
P13
P12
P11
P10
P07
P06
P05
P04
P03
P11
P10
P07
P06
P05
P04
P03
P02
P01
P00
NC
P30
SCK1
SO1
SI1
PTO2
P35
VCC
WTO
PTO1
INT20
P41
P42
P43
P44
P45
P01
P00
NC
P30
SCK1
SO1
SI1
PTO2
P35
VCC
WTO
PTO1
INT20
P41
P42
P43
P44
P45
In
-
In
In
In
In
In
In
In
In
In
In
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
-
Out
In
Out
In
Out
In
-
In
Out
In
Out
Out
Out
In
Out
Out
Out
EEPROM data in
(not used)
Paper empty signal
Resist seneor signal
2nd Feeder paper empty
signal
2nd Feeder detection signal
EEPROM initialize signal
Exit sensor signal
Pick up control signal
Resist control signal
Exit control signal
Motor I0 control signal
2nd Feeder pickup control
signal
Purge signal
Status busy signal
Top signal
GND
Printer ready signal
Communication clock
Status data signal
Command data signal
Dev. bias PWM signal
Print signal
+5V
Command busy signal
Transfer bias PWM signal
Power save signal
Serial clock
Serial data out
Serial data in
Chip select
Motor I1 control signal
(not used)
Paper empty signal
Resist seneor signal
2nd Feeder paper empty
signal
2nd Feeder detection signal
EEPROM initialize signal
Exit sensor signal
Pick up control signal
Resist control signal
Exit control signal
Motor I0 control signal
2nd Feeder pickup control
signal
Purge signal
Status busy signal
Top signal
GND
Printer ready signal
Communication clock
Status data signal
Command data signal
Dev. bias PWM signal
Print signal
+5V
Command busy signal
Transfer bias PWM signal
Power save signal
Serial clock
Serial data out
Serial data in
Chip select
Motor I1 control signal
7.2.5. IC005 ( EEPROM )
IC005 (EEPROM)
Pin
No.
No.
Symbol
In/Out
Function
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
CS
SK
DI
DO
GND
TEST
NC
VCC
SK
DI
DO
GND
TEST
NC
VCC
In
In
In
In
In
Out
-
-
-
-
-
-
-
Chip Select Signal
Serial Clock
Data Input
Data Output
GND
Test terminal (not used)
N.C.
+5 V
Serial Clock
Data Input
Data Output
GND
Test terminal (not used)
N.C.
+5 V
127
KX-P7105 / KX-P7110
7.2.6. IC006 ( Motor Drive IC )
IC006 (Motor driver IC)
Pin
No.
No.
Symbol
In/Out
Function
Pin
No.
No.
Symbol
In/Out
Function
1
2
3
4
2
3
4
5
6
7
8
9
6
7
8
9
10
11
12
13
14
13
14
LG
VREF
VSA
I0
VREF
VSA
I0
IN2
IN1
VCC1
VMMA
OUT1
RSA
OUT2
NC1
PG
NC2
IN1
VCC1
VMMA
OUT1
RSA
OUT2
NC1
PG
NC2
-
-
-
In
In
In
In
In
In
-
-
-
Out
Out
Out
Out
Out
-
-
-
-
-
GND
+5V
Voltage detector (A)
Output current ratio control
signal
Phase signal (nA) input
Phase signal (A) input
+5V
+24V
Phase signal (A) output
Motor current output (A)
Phase signal (nA) output
N.C.
GND
N.C.
+5V
Voltage detector (A)
Output current ratio control
signal
Phase signal (nA) input
Phase signal (A) input
+5V
+24V
Phase signal (A) output
Motor current output (A)
Phase signal (nA) output
N.C.
GND
N.C.
15
16
17
18
19
20
21
22
23
24
16
17
18
19
20
21
22
23
24
25
26
27
26
27
OUT3
NC3
NC4
RSB
OUT4
VMMB
VCC2
IN4
IN3
I1
NC3
NC4
RSB
OUT4
VMMB
VCC2
IN4
IN3
I1
NC5
VSB
C/R
VSB
C/R
Out
-
-
-
Out
Out
Out
-
-
-
In
In
In
In
In
-
In
-
Phase signal (nB) output
N.C.
N.C.
Motor current output (B)
Phase signal (B) output
+24V
+5V
Phase signal (B) input
Phase signal (nB) input
Output current ratio control
signal
N.C.
Voltage detector (B)
C,R connection for choping
frequency
N.C.
N.C.
Motor current output (B)
Phase signal (B) output
+24V
+5V
Phase signal (B) input
Phase signal (nB) input
Output current ratio control
signal
N.C.
Voltage detector (B)
C,R connection for choping
frequency
7.2.7. IC007 ( Inverters )
IC007 (Inverters)
Pin
No.
No.
Symbol
In/Out
Function
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
13
14
1A
1Y
2A
2Y
3A
3Y
GND
4Y
4A
5Y
5A
6Y
6A
VCC
1Y
2A
2Y
3A
3Y
GND
4Y
4A
5Y
5A
6Y
6A
VCC
In
Out
In
Out
In
Out
-
Out
In
Out
In
Out
In
-
GND
+5V
A(In)
L
H
Y(Out)
H
L
A(In)
L
H
Y(Out)
H
L
128
KX-P7105 / KX-P7110
