Panasonic KX-FLC413RU Service Manual ▷ View online
21
KX-FLC413RU
Description of Pin Distribution (IC107)
93
ADR9
O
3.3V
ADDRESS BUS 9
94
ADR10
O
3.3V
ADDRESS BUS 10
95
ADR11
O
3.3V
ADDRESS BUS 11
96
ADR12
O
3.3V
ADDRESS BUS 12
97
VSS
GND
GND
GND
98
VDD2.5V
PWR
2.5V
POWER SOURCE
99
RBA0
O
3.3V
ROM/RAM BAKN ADDRESS BUS 0
100
RBA1
O
3.3V
ROM/RAM BAKN ADDRESS BUS 1
101
RBA2
O
3.3V
ROM/RAM BAKN ADDRESS BUS 2
102
RBA3
O
3.3V
ROM/RAM BAKN ADDRESS BUS 3
103
RBA4
O
3.3V
ROM/RAM BAKN ADDRESS BUS 4
104
RBA5
O
3.3V
ROM/RAM BAKN ADDRESS BUS 5
105
RBA6
O
3.3V
ROM/RAM BAKN ADDRESS BUS 6
106
RBA7/OP04
O
3.3V
ROM/RAM BAKN ADDRESS BUS 7
107
RBA8/OP05
O
3.3V
NOT USED
108
VDD3.3V
PWR
3.3V
POWER SOURCE
109
VSS
GND
GND
GND
110
EVOLIN
O
3.3V
NOT USED
111
EVOLOUT
I
3.3V
LOW FIXED
112
EVOLREF
AI
3.3V
NOT USED
113
TONE
AO
3.3V
NOT USED
114
XMDMCS
O
3.3V
MODEM (IC111) CHIP SELECT
115
XMDMINT
I
3.3V
MODEM (IC111) INTERRUPT
116
CPC/IOP27
O
3.3V
NOT USED
117
ADR13/IOP15
O
3.3V
NOT USED
118
ADR14/IOP16
O
3.3V
NOT USED
119
ADR15/IOP17
O
3.3V
NOT USED
120
XNMI/XINT
I
3.3V
NOT USED
121
TEST1
I
3.3V
NOT USED
122
TEST2
I
3.3V
NOT USED
123
TEST3
I
3.3V
NOT USED
124
TEST4
I
3.3V
NOT USED
125
VDD2.5V
PWR
2.5V
POWER SOURCE
126
VSS
GND
GND
GND
127
F1
O
3.3V
CLOCK FOR CIS
128
FTG
O
3.3V
STROBE FOR CIS
129
TXD/IOP20
O
3.3V
RS232C CONTROL (FOR SERVICE FUNCTION)
130
RXD/IOP21
I
3.3V
RS232C CONTROL (FOR SERVICE FUNCTION)
131
RTS/IOP22
O
3.3V
RS232C CONTROL (FOR SERVICE FUNCTION)
132
CTS/IOP23
I
3.3V
RS232C CONTROL (FOR SERVICE FUNCTION)
133
DSR/IOP24
O
3.3V
Serial Port Select SW (FOR SERVICE FUNCTION)
134
DTR/IOP25
O
3.3V
NOT USED
135
DCD/IOP26
O
3.3V
RESET FOR MODEM
136
ADSEL1
O
3.3V
CHANNEL SELECT FOR AIN
137
ADSEL2
O
3.3V
CHANNEL SELECT FOR AIN
138
VDD3.3V
PWR
3.3V
POWER SOURCE
139
VSS
GND
GND
GND
140
VDD2.5A
PWR
2.5V
POWER SOURCE
141
VREFB
AO
3.3V
STANDARD VOLTAGE FOR A/D
142
VCL
AO
3.3V
STANDARD VOLTAGE FOR A/D
143
VREFT
AO
3.3V
STANDARD VOLTAGE FOR A/D
144
VSSA
GND
GND
GND
PIN
No.
SIGNAL
I/O
POWER SUPPLY
VOLTAGE
EXPLANATION
1
VSS
0V
GND
GND
2
SENCTL2/IOP06
O
5V
NOT USED
3
SENCTL3/IOP07
O
5V
NOT USED
4
SENIN0/IOP00
I
5V
INPUT FROM EXIT SENSOR
5
SENIN1/IOP01
I
5V
INPUT FROM REGIST SENSOR
6
SENIN2/IOP02
O
5V
NOT USED
7
SENIN3/IOP03
I
5V
INPUT PORT (TNREMP)
8
IOP63/XCBUSY1
O
5V
NOT USED (USB_INT)
9
IOP64/XCBUSY2
O
5V
NOT USED (P_SHORT/T-ON_OFF)
PIN
No.
SIGNAL
I/O
POWER SUPPLIED
VOLTAGE
EXPLANATION
22
KX-FLC413RU
10
IOP30(XHSYNC)
I
5V
INPUT PORT (XHSYNC)
11
IOP31
I
5V
INPUT PORT (HVPS ERROR)
12
IOP32
O
5V
OUTPUT PORT (CISON)
13
5V
5V
5V
POWER SOURCE
14
VSS
0V
GND
GND
15
IOP33
O
5V
OUTPUT PORT (CISLEDON)
16
IOP34
I
5V
INPUT PORT (DRUM)
17
IOP35
O
5V
OUTPUT PORT (PICKUP)
18
IOP36
O
5V
NOT USED (DTMF_ACK)
19
IOP37
O
5V
NOT USED (DTMF_SD)
20
IOP40
O
5V
NOT USED
21
IOP41
O
5V
NOT USED (DTMF_EST)
22
IOP42
O
5V
OUTPUT PORT (OPERST)
23
IOP43
O
5V
OUTPUT PORT (CDL_S_ENB)
24
IOP44
O
5V
OUTPUT PORT (VOL1/F_MUTE)
25
5V
5V
5V
POWER SOURCE
26
VSS
0V
GND
GND
27
MILAT/IOP10
O
5V
NOT USED
28
MIDAT/IOP11
O
5V
NOT USED
29
MICLK/IOP12
O
5V
NOT USED
30
IOP45
O
5V
OUTPUT PORT (CDL_BBRESET)
31
IOP46
O
5V
NOT USED
32
IOP47
O
5V
NOT USED
33
IOP50
O
5V
NOT USED
34
IOP51
O
5V
OUTPUT PORT (LEDCTL)
35
IOP52
I
5V
INPUT PORT (PAPER)
36
IOP53
O
5V
OUTPUT PORT (PDWN)
37
IOP54
I
5V
INPUT PORT (TOPCVR)
38
IOP55
O
5V
OUTPUT PORT (DEV)
39
IOP56
O
5V
OUTPUT PORT (CHG)
40
3.3V
3.3V
3.3V
POWER SOURCE
41
VSS
0V
GND
GND
42
DB0
I/O
3.3V
DATA BUS 0
43
DB1
I/O
3.3V
DATA BUS 1
44
DB2
I/O
3.3V
DATA BUS 2
45
DB3
I/O
3.3V
DATA BUS 3
46
DB4
I/O
3.3V
DATA BUS 4
47
DB5
I/O
3.3V
DATA BUS 5
48
DB6
I/O
3.3V
DATA BUS 6
49
DB7
I/O
3.3V
DATA BUS 7
50
3.3V
3.3V
3.3V
POWER SOURCE
51
VSS
0V
GND
GND
52
ADR0
I
3.3V
ADDRESS BUS 0
53
ADR1
I
3.3V
ADDRESS BUS 1
54
ADR2
I
3.3V
ADDRESS BUS 2
55
ADR3
I
3.3V
ADDRESS BUS 3
56
ADR4
I
3.3V
ADDRESS BUS 4
57
ADR5
I
3.3V
ADDRESS BUS 5
58
ADR6
I
3.3V
ADDRESS BUS 6
59
TEST0
I
5V
NOT USED
60
TEST1
I
5V
NOT USED
61
XWR
I
3.3V
WR SIGNAL
62
XRD
I
3.3V
RD SIGNAL
63
3.3V
3.3V
3.3V
POWER SOURCE
64
VSS
0V
GND
GND
65
CLK
I
3.3V
CLOCK INPUT
66
VSS
0V
GND
GND
67
XRESET
I
3.3V
RESET INPUT
68
XCS
I
3.3V
CHIP SELECT INPUT
69
INT
O
3.3V
INTERRUPT INPUT
70
KSTART
O
3.3V
OPERATION PANEL CONTROL
71
KLATCH/OP24/SENCTL3 O
3.3V
NOT USED
72
KSCLK
O
3.3V
OPERATION PANEL CONTROL
73
KTXD
I/O
3.3V
OPERATION PANEL CONTROL
74
KRXD/IP23/SENIN3
I
3.3V
INPUT FROM READ POSITION SENSOR
75
3.3V
3.3V
3.3V
POWER SOURCE
PIN
No.
SIGNAL
I/O
POWER SUPPLY
VOLTAGE
EXPLANATION
23
KX-FLC413RU
7.3.2.
RTC Backup Circuit
1. Function
This unit has a lithium battery (BAT101) which works for the Real Time Clock IC (RTC: inside IC106).
The RTC continues to work, backed up by a lithium battery even when the power switch is OFF.
The RTC continues to work, backed up by a lithium battery even when the power switch is OFF.
2. RTC Inside (IC106) Backup Circuit Operation
When the power switch is turned ON, power is supplied to the RTC (inside IC106). At this time, the voltage at pin 10 of the
IC106 is +3.3V. When the power switch is turned OFF, the BAT101 supplies power to RTC through D108. The voltage at pin
10 of IC106 is about +2.5V. When the power switch is OFF and the voltage of +3.3V decreases, pin 10 of RTC (IC106)
becomes roughly the same voltage as the battery voltage. RTC goes into the backup mode, in which the power consumption
is lower.
IC106 is +3.3V. When the power switch is turned OFF, the BAT101 supplies power to RTC through D108. The voltage at pin
10 of IC106 is about +2.5V. When the power switch is OFF and the voltage of +3.3V decreases, pin 10 of RTC (IC106)
becomes roughly the same voltage as the battery voltage. RTC goes into the backup mode, in which the power consumption
is lower.
76
VSS
0V
GND
GND
77
VIN0/IP20(APC)
I
3.3V
INPUT TO INVERTER
78
VIN1/IP21
I
3.3V
INPUT TO INVERTER
79
VIN2/IP22
I
3.3V
INPUT TO INVERTER
80
VOUT0/OP25
O
5V
OUTPUT FROM INVERTER
81
VOUT1/OP26
O
5V
OUTPUT FROM INVERTER
82
VOUT2/OP27
O
5V
OUTPUT FROM INVERTER
83
RM0
O
5V
RX MOTOR CONTROL
84
RM1
O
5V
RX MOTOR CONTROL
85
RM2
O
5V
RX MOTOR CONTROL
86
RM3
O
5V
RX MOTOR CONTROL
87
RXE
O
5V
NOT USED
88
5V
5V
5V
POWER SOURCE
89
VSS
0V
GND
GND
90
IOP57
O
5V
NOT USED
91
FANDET1/IOP14
I
5V
DETECT FAN ROTATION
92
FANON1/IOP15
O
5V
FAN CONTROL
93
FANDET2/IOP16
O
5V
NOT USED
94
FANON2/IOP17
O
5V
FAN CONTROL
95
IOP60/CSI
O
5V
BBIC CONTROL (T-PAT0)
96
IOP61/CCLK
O
5V
BBIC CONTROL (T-PAT1)
97
IOP62/CSO
O
5V
NOT USED (CDL_RESRV1)
98
SENCTL0/IOP04
O
5V
LED CONTROL FOR EXIT SENSOR
99
SENCTL1/IOP05
O
5V
LED CONTROL FOR REGIST SENSOR
100
5V
5V
5V
POWER SOURCE
PIN
No.
SIGNAL
I/O
POWER SUPPLY
VOLTAGE
EXPLANATION
24
KX-FLC413RU
7.3.3.
Modem Circuit Operation
The modem (IC111) has all the hardware satisfying the CCITT standards mentioned previously.
When the ASIC IC106 (114) is brought to a low level, the modem (IC111) is chip-selected and the resistors inside IC are selected by
the select signals from ASIC (IC106) ADR0-ADR4(pin 84~88). Commands are written through the data bus, and all processing is
controlled by the ASIC (IC106) according to CCITT procedures. Here, the INT signal dispatched from IRQ (pin 100 of IC111) to the
ASIC (IC106) implements post processing.
This modem (IC111) has an automatic application equalizer. With training signal 1 or 2 at the time of G3 reception, it can automati-
cally establish the optimum equalizer. The modem (IC111) operates using the 32.256MHz clock (X105).
When the ASIC IC106 (114) is brought to a low level, the modem (IC111) is chip-selected and the resistors inside IC are selected by
the select signals from ASIC (IC106) ADR0-ADR4(pin 84~88). Commands are written through the data bus, and all processing is
controlled by the ASIC (IC106) according to CCITT procedures. Here, the INT signal dispatched from IRQ (pin 100 of IC111) to the
ASIC (IC106) implements post processing.
This modem (IC111) has an automatic application equalizer. With training signal 1 or 2 at the time of G3 reception, it can automati-
cally establish the optimum equalizer. The modem (IC111) operates using the 32.256MHz clock (X105).
1. Facsimile Transmission/DTMF Line Send
The digital image data on the data bus is modulated in the modem (IC111), and sent from pin 56 via modem IC111, amplifier
IC204(6
IC204(6
→7) and the NCU section to the telephone line.
Refer to Check Sheet (P.120).
2. Facsimile Reception
The analog image data which is received from the telephone line passes through the NCU section and enters pin 47 of the
modem (IC111). The signals that enter pin 47 of the modem (IC111) are demodulated in the board to digital image signals,
then placed on the data bus.
In this case, the image signals from the telephone line are transmitted serially. Hence, they are placed on the bus in 8 bit units.
Here, the internal equalizer circuit reduces the image signals to a long-distance receiving level.
This is designed to correct the characteristics of the frequency band centered around 3 kHz and maintain a constant receiving
sensitivity.
It can be set in the service mode.
Refer to Check Sheet (P.120).
modem (IC111). The signals that enter pin 47 of the modem (IC111) are demodulated in the board to digital image signals,
then placed on the data bus.
In this case, the image signals from the telephone line are transmitted serially. Hence, they are placed on the bus in 8 bit units.
Here, the internal equalizer circuit reduces the image signals to a long-distance receiving level.
This is designed to correct the characteristics of the frequency band centered around 3 kHz and maintain a constant receiving
sensitivity.
It can be set in the service mode.
Refer to Check Sheet (P.120).
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