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KX-FPC135
Service manual
Schematic Disgram (Digital Board) (Kx-Fpc141) - Panasonic KX-FPC135 Service Manual
Plain paper fax with 900 mhz cordless phone
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Operating instructions manual
(128 pages)
1
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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KX-FPC135 / KX-FPC141
17.2. SCHEMATIC DISGRAM (DIGITAL BOARD) (KX-FPC141)
TO POWER UNIT
CN509
PDET
8
+5V
7
GND
6
PDET
R517
PG
5
PG
4
10K
F501
Q503
+24V
3
0
+24V
2
PCTL
+24V
1
R705
0
R658
NC
NC
NC
IC508
1
8
R720
R721
S
D
2
7
S
D
3
6
S
D
4
5
G
D
THON
TO THERMAL HEAD
Q501
CN508
COM(THON)
1
COM(THON)
2
STB1
C514
GND(PG)
3
STB2
Z0.1u
GND(PG)
4
STB3
MPOS
+5V
5
R511
22K
TM
6
R624
100
R512
82K
C512
STB1
STB1
7
R625
100
C507
K0.1u
STB2
STB2
8
R626
100
J560P
STB3
STB3
9
R627 11B601S
THCLK
THCLK
10
R628
100
THLAT
THLAT
11
R629
100
THDAT
THDAT
12
STB1,STB2,STB3,THCLK,
THDAT,THLAT
....
THDAT
....
THCLK
TO POSITION SW
THLAT
CN507
R506
MPOS
1
TM0,
1K
TM2, TM3,TXE
2
C517
TXE
C518
C519
C520
Q515
R635
IC506
R509
16 O1
1
I1
1.5K(1/2W)
M0
15 O2
2
TM0
Q502
I2
M1
14 O3
3
TM1
I3
M2
13 O4
4
TM2
I4
M3
12 O5
5
TM3
I5
11 O6
6
I6
10 O7
7
CISLEDON
I7
D502
D503
9
8
GND
TO MOTOR
Q517
CN506
COMMON
MA7160
M3
M3
1
M2
TX0
M2
2
TX1
M1
M1
3
TX2
M0
M0
4
TX3
COM
5
TXE
TO OPERATION PANEL
CN505
R520
1K
OPRESET
RESET
11
R630
100
KRXD
KRXD
10
R631
100
KTXD
KTXD
9
R632
100
KSCLK
KSCLK
8
R633
100
KLATCH
KLATCH
7
R634
100
KSTART
KSTART
6
+5V
5
GND
4
R515
1K
JOG1
JOG1
3
R516
1K
JOG2
JOG2
2
FG
1
Q504
....
KRXD/KTXD
....
KSCLK
CN504
KLATCH
....
KSTART
IC502
A[0]
12 A0
13
D[0]
R522
10K
D0
A[1]
11 A1
14
D[1]
D1
15
D[2]
A[2]
10 A2
D2
9 A3
17
D[3]
A[3]
D3
A[4]
8 A4
18
D[4]
D4
A[5]
7 A5
19
D[5]
D5
20
A[6]
6 A6
D[6]
D6
5 A7
21
D[7]
A[7]
D7
A[8]
27 A8
A[9]
26 A9
A[10]
23 A10
25 A11
A[11]
A[12]
4 A12
31
A18
RBA[0]
28 A13
1
VPP
RBA[1]
29 A14
32
VCC
3 A15
RBA[2]
RBA[3]
2 A16
RBA[4]
30 A17
22 CE
24 OE
GND
16
RBA[5]
MODRST
XRESET
133 XORESET
134 VDD(5V)
ADR13
135 VSS
ADR14
136 XRESET1
ADR15
137 XWDERR
XOPRBE/MUT/OP
138 XRSTSWI
XHSTWR/IOP
139 XRSTSWO
XHSTRD/IOP
140 XRESETD
XHOLD
THON
141 IOP
XWAIT
STB1
142 STB1
VDD(3.3V)
STB2
C515
143 STB2
VSS
144 VDD(3.3V)
XMDMCS
145 VSS
XMDMINT
STB3
Z0.1u
146 STB3
TEST4
147 STB4
TEST3
BELL
148 STBNP
TEST2
THDAT
149 THDAT
TEST1
THCLK
150 THCLK
CPUCLK
THLAT
151 THLAT
XTEST
PTOP
152 RM0/IOP
VDD(5V)
DCN
153 RM1/IOP
VSS
CPC
IC501
154 RM2/IOP
XIN
R706 10K
155 RM3/IOP
XOUT
156 RXE/IOP
VDD(3.3V)
TM0
24
24.576
157 TM0/IOP
XHOLDAK
158 VDD(5V)
20KOSC/IOP
(MHz)
(MHz)
159 VSS
XRESCS3/OP
TM1
C516
160 TM1/IOP
FMEMCLK/IOP
TM2
Z0.1u
161 TM2/IOP
FMEMDI/IOP
TM3
162 TM3/IOP
FMEMDO/IOP
TXE
32.768KHz
163 TXE/IOP
FMEMCS/IOP
KSTART
164 KSTART
IOP92
KLATCH
165 KLATCH
IOP91
KSCLK
TM1,
166 KSCLK
CSI
KTXD
167 KTXD
CCLK
KRXD
168 KRXD
CBUSY1
169 ADSEL1
CSO
170 VSSC
CBUSY2
Z0.1u
171 VDDC
XNMI
172 VSSA
VDD(5V)
NC
173 VDDA
VSS
Z0.22u
174 VREFB
IOP90
175 VCL
XRESCS1
Z0.1u
176 VREFT
MLAT/IOP
MIDAT/IOP
MICLK/IOP
100
AMON
VOLOUTEN
A
B
R714
NC
X501
R712
32.768KHz
2.2K
R530
R620
NC
DCD,RXD,TXD,XCTS,
XDSR,XDTR,XRTS
C531
Z0.1u
IC511
IC512
1 IN1
14
1 VEE
14
VCC
VCC
C534
2 C1
13
2 INA1
13
IN4
IND1
NC
3 OUTA
12
3 OUTA
12
C4
IND2
4 IN2
11
4 INB1
11
OUTD
OUTD
C535
5 C2
10
5 INB2
10
IN3
INC1
FTG
NC
6 OUTB
9
6 OUTB
9
C3
INC2
7 GND
8
7 GND
8
OUTC
OUTC
C532
NC
R543
CN510
TO CIS
NOT USED
TO RS-232C D-SUB 25PIN
....
SI
....
CLK
IC503
IC504
A[4]
10 DA0
2
D[0]
A[0]
10 A0
11
D[0]
D0
D0
A[5]
11 DA1
3
D[1]
A[1]
9 A1
12
D[1]
D1
D1
D[2]
8 A2
13
D[2]
A[6]
12 DA2
4
A[2]
D2
D2
A[7]
13 DA3
5
D[3]
A[3]
7 A3
15
D[3]
D3
D3
RBA[0]
16 DA4
24
D[4]
A[4]
6 A4
16
D[4]
D4
D4
RBA[1]
17 DA5
25
D[5]
A[5]
5 A5
17
D[5]
D5
D5
4 A6
18
D[6]
RBA[2]
18 DA6
26
D[6]
A[6]
D6
D6
RBA[3]
19 DA7
27
D[7]
A[7]
3 A7
19
D[7]
D7
D7
RBA[4]
20 DA8
A[8]
25 A8
RBA[5]
9 DA9
A[9]
24 A9
D508
A[10]
21 A10
28
VCC
6 NC
A[11]
23 A11
21 NC
14
RBA[0]
2 A12
BATT
VDD
1
RBA[1]
26 A13
20
VDD
CS
7 WE
RBA[2]
1 A14
22 OE
22
OE
8 RAS
15
14 GND
27
WE
GND
23 CAS
28
GND
D[0-7]
88
87
ADR13
ADR14
86
ADR15
85
84
83
82
81
80
C542
79
Z0.1u
78
77
76
75
74
73
72
71
CPUCLK
70
XTEST
69
C543 Z0.1u
68
C550
67
66
J10P
65
C544 Z0.1u
L501
64
20KOSC
63
OPRESET
C551
62
R/B
61
CLE
R545 47
60
J10P
ALE
A[4]
59
FCS
A[3]
58
A[2]
R655
NC
57
VOX
A[1]
56
CSI
A[0]
55
R654
0
CIO
54
CBUSY1
53
CSO
52
CBUSY2
51
R676
10k
50
PTOP
49
C545
48
SPMUTE
Z0.1u
47
BREAK
46
MLAT
45
SENLEDON
MCLK
MDATA
R575
FILMEND
R564
R535
C630
10K
100K
Q514
Q512
1K
0
R565
R573
C668
Q509
56K
4.7K
NC
Q518
3
1
1
3
4
2
2
4
2.2K
R603
1K
20KOSC
Q506
D504
Q507
D507
IC507
SPMUTE
R597
1
CD
D505
Q508
0
2
FC2
3
FC1
4
VIN
R600
0 R544
0
C590
228
TEST
C573
Z0.1
Q519
R577
IC510
10K
1 VSS
44
VCC
2 CLE
43
R679
4.7K
CE
3 ALE
42
RE
4 WE
41
R/B
5 WP
40
GND
6 N.C.
39
N.C.
7 N.C.
38
N.C.
8 N.C.
37
N.C.
Q511
9 N.C.
36
N.C.
10 N.C.
35
N.C.
11
34
12
33
13 N.C.
32
NC
N.C.
14 N.C.
31
N.C.
15 N.C.
30
Q510
Q513
N.C.
16 N.C.
29
N.C.
17 N.C.
28
N.C.
D[0]
18 I/O0
27
D[7]
I/O7
R693
D[1]
19 I/O1
26
D[6]
I/O6
NC
D[2]
20 I/O2
25
D[5]
0
I/O5
D[3]
21 I/O3
24
D[4]
I/O4
22 VSS
23
VCC
C574
Z0.1
C578
J10P
L502
C581
J12P
32.256MHZ
XCLK
RESERVED
EYESYNC
1 SR4IN/RESERVED
102
GPO5
2 SR3OUT/RESERVED
GPO6
101
3 EYESYNC
VDD4
100
4 EYECLK
GPO7
99
EYECLK
5 RXD
GPI7
98
6 SR1IO
GPI6
97
32.256KHz
EYEXY
7 NC
GPI5
96
8 EYEXY
GPI4
95
9 SR4OUT
GPI3
94
10 VDD1
GPI2
93
11 RLSD#
READ#
92
12 DCLK
CS#
91
13 EN85#
WRITE#
90
14 GPIO
CSBR#/RESERVED
89
MD[0]
15 RTS#
D0
88
16 DGND1
DGND3
87
MD[1]
17 TXD
D1
86
18 SA1CLK
VDD3
85
IC505
19 RS4
DGND2
84
MD[2]
20 RS3
D2
83
MD[3]
21 RS2
D3
82
MD[4]
22 RS1
D4
81
MD[5]
23 RS0
D5
80
MD[6]
YCLK
24 YCLK
D6
79
MD[7]
25 IACLK
D7
78
R694
11A601S
26 IA1CLK
VDD2
77
R709
11A601S
27 CTRLSIN_S/NC
MCLK_S/NC
76
28 RESERVED/NC
ICLK_P
75
29 SOUT_S/NC
NC
74
30 SIN_S/NC
AVDD_P
73
31 FSYNC_S/NC
SPKRM_P
72
32 IARESET_S#/NC
SPKRP_P
71
33 AGND1
AGND4
70
C623 K0.1
34 LINEIN_S/NC
LINEOUT_P
69
35 MICP_S/NC
VAA_P
68
R569
R568
36 MICM_S/NC
VC_P
67
37 MICBIAS_S/NC
VREF_P
66
38 NC
NC
65
1K
2.2K
R593
R594
2.2K
1K
C596 K0.1
R653
0
R710
NC
R711
12K
C640
K0.056
R669 0
R659 120K
IC551
C639
J68P
1 STR
36
R664
470K
SPIN
2 CLK
35
SPOUT
3 DATA
34
VLOUT
4 VDD
33
VLREF
TO MIC
5 VOXOUT
32
VLIN
CN512
6 VOXDET
31MODEMRXOUT
L514 11A102S
7 VOXIN
30
1 MIC(+)
AG
8 VSS
29
L515 11A102S
NC
9 NC
28
NC
2 MIC(-)
R665
10 ROUT2
27
12K
C643 K0.1
TONEIN
11 ROUT1
26
C641
J560P
NC
R661
82K
12 RIN
25
MODEMTXOUT
13 VCC
24
C636
J680P
MODEMTXIN
R666
27K
14 HSMICIN1
23
R668
8.2K
C647
LINEIN
15 HSMICIN2
22
LINEOUT
R662
12K
16 HSMICOUT
21
EXTOUT
17 NC
20
R667
180K
EXTIN
18 NC
19
NC
C642
J150P
C637 K0.0033
R670
C652 J680P
DA502
R663
C638
1
10K
TO SPEAKER
C653 J680P
3
CN503
NC
NC
C649
2
8
C654 J680P
VO2
1 SP(+)
C650
7
2 SP(-)
GND
6
VCC
5
C656
K330P
NOT USED
VO1
R702
R703
560K
10K
3.9K
Q516
R704
C655
K0.0047
R701
150
10K
K0.047
TO RF-UNIT
CN511
CSI
1 CSI
CSO
2 CSO
CIO
J502
3 CCLK
CBUSY1
4 CBUSY1
T/P
J503
NC
CBUSY2
5 CBUSY2
CRESET
6 CRESET
S-ENB
7 S-ENB
8 CIO
IC513
L518
1
5
CONT
VIN
11A102S
2
GND
3
4
NOISE
VOUT
MDM3_3V
MDD[0-7]
L517
11A601S
IC550
20
1
VCC
DIR
RA505
19
2
D[7]
G
A1
RA507 470
4
5
D[6]
18
3
3
6
MD[7]
D[5]
B1
A2
MD[6]
4
5
2
7
D[4]
17
4
MD[5]
3
6
1
8
B2
A3
100
MD[4]
2
7
1
8
16
5
B3
A4
RA506
15
6
D[3]
B4
A5
RA508 470
4
5
D[2]
14
7
MD[3]
3
6
D[1]
B5
A6
MD[2]
4
5
2
7
D[0]
13
8
MD[1]
3
6
1
8
B6
A7
MD[0]
2
7
100
12
9
1
8
B7
A8
11
10
B8
GND
R722
TO ANALOG BOARD
NC
CN501
BELL
1 BELL
J504
T/P
2 T/P
CIO
DCN
J505
3 DCN
NC
CPC
4 CPC
MDLSEL
5 MDLSEL
LINERLY
6 LINERLY
BREAK
7 BREAK
8 LINERX
9 MONRX
10 LINETX
TO ANALOG BOARD
CN502
1 DG
2 AG
3 +5VA
4 +5VD
5 +24V
6 CLRX
7 NC
8 CLTX
9 NC
K0.1
C648
K0.1
K0.1 R673
15K
NC
R674
NC
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Table of Contents
Troubleshooting
TROUBLESHOOTING GUIDE
32
TROUBLESHOOTING DETAILS
36
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