Panasonic KX-FT25LA, Service Manual

Page: 149 / 167

9 SCHEMATIC DIAGRAM
9.1. SCHEMATIC DIAGRAM (DIGITAL CIRCUIT)
CIS LED ARRAY
ON: 3.3V
T5
T4
T3
T2
OFF: 0V
MOTOR ON: 3.3V
OFF: 0V
PRINTING
LATCH
STB1
THERMAL
HEAD TEMP
STB2
DATA
CLOCK
5V
0V
5V
0V
5V
0V
23~24V PRINTING 3.3V
FAX RX
FAX TX
WATCH DOG ERROR
5V (NORMAL)
32.768kHz
5V
ROM
SRAM
Flash
MODEM
ASIC
0V (WATCH DOG
ERROR OCCUR)
FAX TX
FAX RX
24MHz
32.256MHz
1K
R32
[6]
D10p
C44
[6]
+5VD
J33P
C38
[4]
IC5
1 SR4IN/RESERVED
2 SR3OUT/RESERVED
3 EYESYNC
4 EYECLK
5 RXD
6 SR1IO
7 NC
8 EYEXY
9 SR4OUT
10 VDD1
11 RLSD#
12 DCLK
13 EN85#
14 GPIO
15 RTS#
16 DGND1
17 TXD
18 SA1CLK
19 RS4
20 RS3
21 RS2
22 RS1
23 RS0
24 YCLK
25 IACLK
26 IA1CLK
27 CTRLSIN_S/NC
28 RESERVED/NC
29 SOUT_S/NC
30 SIN_S/NC
31 FSYNC_S/NC
32 IARESET_S#/NC
33 AGND1
34 LINEIN_S/NC
35 MICP_S/NC
36 MICM_S/NC
37 MICBIAS_S/NC
38 NC
39
NC
40
VREF_S/NC
41
VC_S/NC
42
VAA_S/NC
43
LINEOUT_S/NC
44
NC
45AGND2 46
SPKRP_S/NC
47
SPKRM_S/NC
48
AVDD_S/NC
49
RESERVED/NC
50
ICLK_S/NC
51
MCLK_P
52
CTRLSIN_P
53
RESERVED
54
SOUT_P
55
SIN_P
56
FSYNC_P
57
IARESET_P#
58AGND3 59
NC
60
LINEIN_P
61
MICP_P
62
MICM_P
63
MICBIAS_P
64
NC
65 NC
66 VREF_P
67 VC_P
68 VAA_P
69 LINEOUT_P
70 AGND4
71 SPKRP_P
72 SPKRM_P
73 AVDD_P
74 NC
75 ICLK_P
76 MCLK_S/NC
77 VDD2
78 D7
79 D6
80 D5
81 D4
82 D3
83 D2
84 DGND2
85 VDD3
86 D1
87 DGND3
88 D0
89 CSBR#/RESERVED
90 WRITE#
91 CS#
92 READ#
93 GPI2
94 GPI3
95 GPI4
96 GPI5
97 GPI6
98 GPI7
99 GPO7
100 VDD4
101 GPO6
102 GPO5
103
RESERVED
104
GPO4
105
GPO3
106
DGND4
107
CTS#
108
IRQ1#
109
GPO2
110
GPO1
111
GPO0
112
VDD5
113
VGG
114
DGND5
115
RESET#
116
XTALI
117
XTALO
118
RESERVED
119
XCLK
120
GPI1
121
IRQ2#
122
SR3IN
123
RESERVED
124
RESERVED
125
DGND6
126
DVAA
127
AGND5
128
RESERVED
16V10
C35
[3]
L11
[6]
16V10
C52
[3]
16V10
C62
[3]
+5VD +5VD
16V10 C34
[3]
L5
[4]
PFVIMM1385EN
IC7
[6]
1
CONT
2
GND
3
NOISE
4
VOUT
5
VIN
L6
[6]
2.2K
R33
[6]
16V10 C56
[3]
D10p
C45
[6]
Z0.1u
C64
[6]
Z0.1u
C53
[4]
Z0.1u
C41
[4]
Vref
Z0.1u
C65
[4]
2.7K
R31
100
R35
[6]
Z0.1u C59
[4]
22
L10
[4]
16V10
C55
[3]
Z0.1u
C48
[4]
J100P
C57
[4]
K0.1 C43
[6]
( )
NC
C42
[4]
K4700P
C36
[4]
6.3V220u
C66
[3]
K0.1 C47
[6]
Z0.1u
C60
[4]
16V10
C61
[3]
4.7K
R30
[4]
Z0.1u
C39
[4]
+5VD
Z0.1u
C54
[4]
32.256MHZ
X3
[3]
2.2K
R36
[6]
0
L8
[4]
4.7K
R34
[4]
16V10
C49
[3]
L9 [4]
Z0.1u
C50 [4]
Z0.1u
C58
[4]
10
L7
[4]
K4700P
C37
[4]
Z0.1u
C40
[4]
K0.01
C63 [6]
D10p
C25
[6]
Z0.1uF
C5
[6]
+5V
DG
Z0.1uF
C10
[4]
+5V/BATT
Z0.1uF
C15
[4]
Z0.1uF C21
[4]
J12p
C26
[6]
+5V
DG
+3.3V
DG
Z0.1uF
C1
[4]
Z0.1uF
C17
[4]
Z0.1uF
C18
[4]
[3] 24MHZ
X2
DG
47
R12
[6]
470 R69
[6]
Z0.1uF
C3
[4]
1M
R14
[4]
+3.3V
Z0.1uF
C23
[4]
0
R3
[6]
Z0.1uF C6
[4]
10K
R1
[6]
Z0.1uF
C7
[6]
Z0.1uF C22
[4]
Z0.1uF
C24
[4]
NC C90
[4]
L2
[4]
Z0.1uF C8
[4]
DG
[6]
IC1
1
AIN1
2
AIN2
3
AIN3
4
AMON
5
VSSB
6
VDDB
7
3.3V/BATT
8
X32OUT
9
X32IN
10
VSS
11
XBACKEN
12
5V/BATT
13
XRAMCS
14
FTG
15
F1
16
F2/OP50
17
FR/OP51
18
CPC
19
5V
20
VSS
21
RVN
22
IRDATXD/IOP81
23
IRDARXD/IOP80
24
TXD/IOP30
25
RXD/IOP31
26
XRTS/IOP32
27
XCTS/IOP33
28
MIDAT/IOP45
29
MICLK/IOP46
30
TONE1
31
TONE2
32
VOLU1
33
VOLU2
34
VOLU3
35
MILAT/IOP47
36
XNMI/XINT
37
FMEMDO/IOP26
38
FMEMDI/IOP25
39 FMEMCLK/IOP24
40 VSS
41 5V
42 20KOSC/IOP56
43 XWAIT/IP60
44 XHSTRD/IOP40
45 XHSTWR/IOP41
46 XOPRBE/MUX/OP53
47 ADR15
48 ADR14
49 ADR13
50 3.3V
51 XOUT
52 XIN
53 VSS
54 5V
55 XTEST
56 TEST1
57 TEST2
58 TEST3
59 TEST4
60 XMDMINT
61 XMDMCS
62 VSS
63 3.3V
64 XRAS/IOP42
65 XCAS1/IOP43
66 XCAS2/IOP44
67 XRESCS2/OP71
68 DB3
69 DB2
70 DB4
71 DB1
72 DB5
73
DB0
74
DB6
75
VSS
76
3.3V
77
DB7
78
XROMCS
79
XRD
80
XWR
81
VSS
82
5V
83
ADR0
84
ADR1
85
ADR2
86
ADR3
87
ADR4
88
ADR5
89
ADR6
90
ADR7
91
ADR8
92
ADR9
93
ADR10
94
ADR11
95
ADR12
96
VSS
97
5V
98
RBA0
99
RBA1
100
RBA2
101
RBA3
102
RBA4
103
RBA5/OP
104
RBA6/IOP96
105
STB1
106
STB2
107
STB3
108
XRESET
109 XORESET
110
5V
111 VSS
112 XRESET1
113 XWDERR
114 THDAT
115 THCLK
116 3.3V
117 VSS
118 THLAT
119 STBNP
120 RM0/IOP00
121 RM1/IOP01
122
RM2/IOP02
123 RM3/IOP03
124 RXE/IP04
125 TM0/IOP10
126 5V
127 VSS
128 TM1/IOP11
129 TM2/IOP12
130 TM3/IOP13
131 TXE/IP14
132 KSTART
133 KLATCH
134 KSCLK
135 KTXD
136 KRXD
137 ADSEL1
138 VSSC
139 VDDC
140 VSSA
141
VDDA
142 VREFB
143 VCL
144 VREFT
Z0.1uF
C19
[4]
+3.3V/BATT
Z0.1uF
C91
[4]
Z0.22uF
C9
[4]
NC
R59
[6]
Q7
[6]
NC
C72
[6]
Q8
[6]
100 R50 [6]
+24V
100 R51 [6]
O R44 [6]
K2200P
C77
[6]
4.7K R42
[6]
CN5 [0]
1
2
[3] Q5
0
L26
[6]
1K R43 [6]
[6]
F3
2.2K 1/2W
[3] R56
0
L18
[6]
0
L20
[6]
150 R46 [6]
+24V
+5V
6.3V 100u
[3]
C76
0 R49 [6]
NC C74
[4]
NC
C71
[6]
CN4
[0]
11 COM
10 SI
9 STB2
8 GND
7 CLOCK
6 TM
5 VDD
4 GND
3 STB1
2 LATCH
1 COM
22K R57 [6]
+5V
J560P C78 [6]
0
L14 [6]
Q10
[4]
1
S
2
S
3
S
4
G
5
D
6
D
7
D
8
D
0
L22 [6]
100
L17 [6]
0 L13
[6]
0
L24 [6]
[0]
IC8
1
I5
2
I4
3
I3
4
I2
5
I1
6
I0
7
I6
8
GND
9
COM
10
Q6
11
Q0
12
Q1
13
Q2
14
Q3
15
Q4
16
Q5
100 R53 [6]
NC
D4
[4]
CN8 [0]
1 SIG
2 GND
3 +5V
4 SEL
5 GND
6 SI
7 GND
8 CLK
9 G.LED
10 V.LED
0 J2 [4]
NC
R62
[4]
100
L16 [6]
6.8 R48 [6]
820
R47 [4]
+5V
4.7K R63 [4]
47 R55 [6]
NC
R60
[6]
NC
C69
[6]
[0]
D5
+5V
CN7
[0]
11 KSTART
10 KIN3
9 KIN2
8 KIN1
7 KIN0
6 E
5 RS
4 OPESEL
3 FG
2 +5V
1 NC
20K
R58
[6]
0
L21 [6]
0
L23 [6]
+5V
82K R54 [6]
0
C80
[6]
100
L15 [6]
NC
Q6 [6]
NC
C75
[6]
CN3
[0]
1 A
2 B
3 NA
4 NB
5 COM
NC
C73
[6]
5.6K
R61
[4]
K0.047
C79 [4]
0 R45 [6]
+24V
K1000P
C68
[6]
D3
[4]
0 R52 [6]
0
L25 [6]
0
L19
[6]
CN2
[0]
1 +24V
2 DG
3 +5VD
4 +5VA
5 AG
6 BELL
7 CPC
8 RLY
9 PAPER
10 LINERX
11 LINETX
12 HOOK
13 SPMUTE
14 H/STX
15 SPOUT
16 H/SRX
220K
R67
[4]
+24VA
+12V
220K R64
[4]
10K
R66 [4]
Z0.1
C86
[4]
Z0.1 C87
[4]
+5VA Vref
50V 10u
[3]
C89
220K
R65
[4]
220K
R68
[4]
Z0.1 C85
[4]
Q9
[4]
+24V
NC
C88
[4]
CN1
[0]
1 +24v
2 +24v
3 +24v
4 GND
5 GND
6 GND
7 +5V
8 NC
Z0.1
C27
[4]
[0] IC2
1
VPP
2
A16
3
A15
4
A12
5
A7
6
A6
7
A5
8
A4
9
A3
10
A2
11
A1
12
A0
13
D0
14
D1
15
D2
16
GND
17
D3
18
D4
19
D5
20
D6
21
D7
22
CE
23
A10
24
OE
25
A11
26
A9
27
A8
28
A13
29
A14
30
A17
31
A18
32
VCC
( )
NC C28
[4]
+3.3V
DA1
[6]
1 23
( )
NC R18
[4]
Q3
[6]
+5V/BATT
0 R17
[6]
NC
D2
[4]
+3.3V/BATT
5.6K R20 [6]
J1
( )
NC
Q2
[6] Z0.1
C30
[6]
Z0.22u
C31
[4]
[4] IC4
1
A14
2
A12
3
A7
4
A6
5
A5
6
A4
7
A3
8
A2
9
A1
10
A0
11
D0
12
D1
13
D2
14
GND
15
D3
16
D4
17
D5
18
D6
19
D7
20
CS
21
A10
22
OE
23
A11
24
A9
25
A8
26
A13
27
WE
28
VCC
2.2k
R16
[6]
Z0.1u
C29
[4]
[0]
3.3V
BAT1
0
R22 [4]
( )
NC
Q1
[6]
( )
NC R21
[4]
1.1K
R23
[4] D1
( )
NC R19
[6]
+5VD
IC9
1
2
3
4
5
6
7
VSS
8
9
10
11
12
13
14
VDD
-2
[6]
IC11
1
2
3
4
8
+24VA
K680p
C99 [6]
39K R79 [6]
+12V
+12V 330K R78 [6]
J100P C98 [6]
K0.1
C96 [4]
+12V
43K
R76
[4]
220K R77
[4]
[6]
IC11
5
6
7
68K
R96
[6]
470K
R97
[6]
-1
[6]
IC10
3
2
1
J33P
C119 [6]
+12V
+12V
NC
R94
[4]
NC
C115 [6]
NC
R93 [6]
NC R91
[6]
NC
C113
0
C51
[4]
NC
R39
[4]
Vref
27K
R95
[6]
K0.1
C117
[6]
18K
R80
[6]
39K
R81
[6]
100K
R82
[4]
K0.1
C101
[6]
K0.1
C102
[6]
K0.01
C103
[4]
1K
R75 [4]
K0.1
C97 [4]
K0.1
C112
[4]
10K
R90
[4] 330K
R83
[4]
NC
C93
[4]
4.7K
R72
[6]
6.3V100u
C94
[3]
+3.3V
4.7K R74 [6]
220K R86
[4]
4.7K
R84
[4]
4.7K
R85
[4]
K0.1
C105
[4]
Z0.1
C107
[4]
+5VA
120K
R71
[6]
K1000p
C92
[6]
K0.1
C118
[6]
K0.1
C111 [4]
43K
R92 [4]
+5VD
8.2
R41
[6]
L12 [6]
( )
NC
C67
[6]
K1000p
C4
[4]
DG
4.7K R2
[4]
Z0.1uF
C12
[6]
DG
J12
C14
[4]
J15P
C16
[4]
DG
[0]
32.768KHZ
X1
NC
R8
[6]
0
R7
[6]
K0.1
C104
[4]
K0.1
C108
[6]
+5VD
4.7K
R38
[4]
RA6 100
[6]
1 2 3 45
6 7 8
100 RA4
[6]
1 2 3 45
6 7 8
100 RA3
[6]
1 2 3 45
6 7 8
0
R11
[6]
D10p
C20
[4]
0
R10
[6]
0
R9
[6]
100 RA2
[6]
1 2 3 45
6 7 8
100 RA1
[6]
1 2 3 45
6 7 8
100
R4
[6]
100
R5
[6]
100
R6
[6]
[6] IC3
1
OUT
2
IN
3
NC
4
GND
K1000P C2
[6]
DG
K0.1uF
C11
[6]
K0.1
L1
[4]
+24V
Z0.1
C84
[4]
Z0.1
C83
[4]
6.3V220u
C81
[3]
+5V
+24V +5VA +5V
1K
R37
[6]
CN6
8 MICIN
7 AG
6 NC
5 DG
4 KRXD
3 KTXD
2 KLATCH
1 KSCLK
K0.1
C110 [6]
+5VD
0
L4 [6]
+5V
10K R70
[4]
NC
C82
[3]
100
R13
[4] 100 R15
[6]
Z0.1uF
C13
[4]
DG
Z0.22 C70
[6]
NC
C116 [4]
0
R73
[4]
NC
C95
[4]
K0.1
C106
[6]
6.8K
R87 [6]
2.2K R88
[6]
1.8K R89
[4]
0
C114 [4]
4.7K
R24
[4]
[6]
F2
0
K0.033
C109
[6]
IC6
[6]
1
VSS
2
CLE
3
ALE
4
WE
5
WP
6
N.C.
7
N.C.
8
N.C.
9
N.C.
10
N.C.
11
12
13
N.C.
14
N.C.
15
N.C.
16
N.C.
17
N.C.
18
I/O0
19
I/O1
20
I/O2
21
I/O3
22
VSS
23
VCC
24
I/O4
25
I/O5
26
I/O6
27
I/O7
28
N.C.
29
N.C.
30
N.C.
31
N.C.
32
N.C.
33
34
35
N.C.
36
N.C.
37
N.C.
38
N.C.
39
N.C.
40
GND
41
R/B
42
RE
43
CE
44
VCC
10K
R28
[6]
10K
R29
[6]
Z0.1 C33
[6]
Z0.1
C32 [4]
Q4
[6]
100K R25
[4]
10K
R27
[4]
+5VD +5V +5VA
Z0.1u
C46
[4]
FLT1
NC
[3]
1
2
3
0
R40
[6]
NC R26
[6]
RA8 100
[6]
1
2
3
4 5
6
7
8
RA7
100
[6]
1
2
3
4 5
6
7
8
J3
0
[4]
J4
0
[6]
-2
[6]
IC10
7
6
5
4
8
+24VA
DG
100
R98
[4]
100
R99
[4]
100
R100
[4]
100
R101
[4]
NC J5
[6]
C100
[4]
K330p
C120
NC
[4]
R102
NC
[4] A[0]
A[1]
A[2]
A[4]
D[1]
A[10]
D[0]
RBA[2]
RBA[3]
D[3]
A[9]
RBA[4]
D[5]
D[4]
A[11]
A[3]
D[7]
D[6]
A[7]
A[2]
A[12]
A[5]
A[1]
A[6]
A[0]
A[4]
RBA[0]
D[2]
RBA[1]
A[8]
D[3]
D[6]
D[2]
D[0]
D[7]
D[4]
D[1]
D[5]
KRXD
KTXD
KLATCH
KSCLK
KSTART
KIN3
KIN2
KIN1
KIN0
E
RS
OPSEL
THON
STB1
THLAT
THDATA
STB2
THCLK
LEDON
T2
T3
T0
T4
T5
MOTORPOS.
MOTORPOS.
E
RS
KIN0
OPSEL
KIN1
CPC
MDMTXENB
TONE1ENB H/SRXENB
H/SRXENB TONE1ENB
TELRXENB
MDMTXENB
CPC BELL RLY
PAPER HOOK
SPMUTE
HOOK
BELL RLY
D[3] D[2] D[4] D[1] D[7] D[6] D[0] D[5]
A[7] A[6] A[5] A[4] A[3] A[2] A[1] A[0] A[8] A[9] A[10] A[11] A[12]
RBA[0] RBA[2]
STB2
STB1
RBA[5] RBA[4] RBA[3]
THDATA
THCLK
THLAT
T5
T4
T3
T2
T0
LEDON
KTXD
KRXD
KSCLK
KLATCH
RBA[2]
RBA[1]
RBA[0]
A[11]
A[10]
A[9]
A[8]
A[7]
A[6]
A[5]
A[4]
A[3]
A[2]
A[1]
A[0]
FCE
SPMUTE
RBA[1]
A[3]
FWR
FRE
CISON
ALE
R/B
CLE
PAPER
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
FWR
FRE
R/B
FCE
CLE
ALE
D[3]
D[7]
D[6]
D[5]
D[4]
D[2]
D[1]
D[0]
RBA[5]
TELRXENB
KIN3
KIN2
CISON
KSTART
THON
CSBR
TO IMAGE SENSOR
TO OPERATION PANEL
TO THERMAL HEAD
MOTOR
POSITION
SENSOR1
TO MOTOR
TO POWER SUPPLY UNIT
MDM3_3V
XCLK
EYESYNC
EYECLK
EYEXY
5V/BATT
3_3V/BATT3_3V
A B C D
RESET1
RESET
AMONI
F1
SIG
FTG
DG
TEST
XTEST
A13
A14
A15
BATT
KX-FT25LA
149