Schematic Diagram; Schematic Diagram (Digital Circuit) - Panasonic KX-FT25LA Service Manual

9 SCHEMATIC DIAGRAM

9.1.

SCHEMATIC DIAGRAM (DIGITAL CIRCUIT)

+24V
CIS LED ARRAY
ON: 3.3V
IC8 OFF: 0V
[0]
[4] R47
TO MOTOR
[6] 16 1
Q5 I5
820 R59
15 2
Q4 I4
A
NC
14 3
Q3 I3
CN3
[0]
13 4
A 1 Q2 I2
12 5
B 2 Q1 I1
11 6
NA 3 Q0 I0
[3] R56 10 7
NB 4 Q6 I6
[3] Q5
2.2K 1/2W 9 8
COM 5 COM GND
D5
[0]
+5V
Q7
+24V [6]
Q10
[4] MOTOR ON: 3.3V
8 1
D S
PRINTING 7 2
D S
PRINTING 3.3V
23~24V 6 3
D S
5 4
D G
R63 [4] 4.7K
THON
Q8
[6]
TO THERMAL HEAD
LATCH
+5V
DATA
CN4
5V
5V
COM 1
0V
LATCH 2 0V
R49 [6] 0
STB1
STB1 3
R50 [6] 100 THLAT
GND 4
CLOCK
VDD 5 5V
TM 6 0V
R51 [6] 100
THDATA
CLOCK 7
R52 [6] 0 STB2
GND 8
STB2 9
R53 [6] 100
THCLK
SI 10
L13 0 R54 [6] 82K
[6]
COM 11
[0]
C78 J560P
[6]
STB1
R57 [6] 22K
STB2
+5V
MOTOR
POSITION
SENSOR1
CN5
[0]
R43 [6] 1K
MOTORPOS.
1
2
THERMAL
TO OPERATION PANEL HEAD TEMP
CN6
MICIN 8
AG 7
NC 6
DG 5
L18 [6]
0 KRXD
KRXD 4
L19 [6]
0 KTXD
KTXD 3
L20 [6]
0 KLATCH
KLATCH 2
L21
[6] 0 KSCLK
KSCLK 1
[0]
L14
[6]
CN7 0 KSTART
KSTART 11
L22 [6]
0 KIN3
KIN3 10
L23 [6]
0 KIN2
KIN2 9
L24 [6]
0 KIN1
KIN1 8
L25
[6] 0 KIN0
KIN0 7
[6] L15
100 E
E 6
[6] L16
100 RS
RS 5
[6] L17
100 OPSEL
OPESEL 4
FG 3 +5V
+5V 2
NC 1
+24V
TO IMAGE SENSOR
CN8
[0]
R45 [6] 0
V.LED 10
G.LED 9
R46 [6] 150
CLK 8
GND 7
F1
SI 6
R44 [6] O
GND 5
SEL 4
+5V 3 R55 [6] 47
GND 2
FTG
SIG 1
SIG J2 [4] 0
+5V
Q6 [6]
R48 [6] 6.8
NC
R62 [4]
NC
CISON
DG
IC2 [0]
A[0] 12 13 D[0]
A0 D0
A[1] 11 14 D[1]
A1 D1
A[2] D[2] A[0]
10 15
A2 D2
A[3] 9 17 D[3] A[1]
A3 D3
A[2]
A[4] 8 18 D[4]
A4 D4
A[5] 7 19 D[5] A[3]
A5 D5
T5 A[6] 6 20 D[6] A[4]
A6 D6
A[5]
LEDON A[7] 5 21 D[7]
A7 D7
A[8] 27 A[6]
T4 A8 A[7]
A[9] 26
A9
B C D A[10] A[8]
23
A10
A[11] 25 A[9]
T3 A11 J5 NC
A[10]
A[12] 4 31
A12 A18
T5 RBA[0] 28 1 [6] A[11]
A13 VPP
T2 RBA[1] 29 32 RBA[0]
A14 VCC
T4 RBA[2] RBA[1]
3
A15
RBA[3] 2 RBA[2]
A16
T3 RBA[4] 30
A17
22
CE
T2 24 16
OE GND
ROM
T0
OFF: 0V
WATCH DOG ERROR
5V (NORMAL)
5V
0V (WATCH DOG
ERROR OCCUR)
PAPER
STB1
STB2
THDATA
THCLK
IC3
[6]
4 1
GND OUT
DG
3 2
NC IN
DG
XRESET
+5V
109 XORESET
C1
110 5V
111 VSS
R1 R3
[4] XRESET1
112
DG Z0.1uF [6]
113 XWDERR
10K 0
[6]
114 THDAT
115 THCLK
Z0.1uF
116 3.3V
THLAT DG
117 VSS
118 THLAT
MOTORPOS.
119 STBNP
T5
120 RM0/IOP00
T4
121 RM1/IOP01
T3
122 RM2/IOP02
T2
123 RM3/IOP03
T0
124 RXE/IP04 [6]
THON
TM0/IOP10 IC1
125 24MHz
+5V 126 5V
ASIC
127 VSS
128 TM1/IOP11
129 TM2/IOP12
130 TM3/IOP13
LEDON
131 TXE/IP14
KSTART
132 KSTART
KTXD
133 KLATCH
KRXD 32.768kHz
134 KSCLK
KSCLK
135 KTXD
KLATCH
136 KRXD
137 ADSEL1
VSSC
138
139 VDDC
+3.3V
140 VSSA
141 VDDA
142 VREFB
143 VCL
144 VREFT
L1 K0.1
[4]
AMONI
+3.3V/BATT
DG
+5V/BATT
E
DG
RS
X1 [0]
DG
KIN0
32.768KHZ
R8 [6]
OPSEL
KIN1
NC
KIN2
KIN3
DG
+5VD
IC4 +3.3V/BATT +3.3V +5VD C32 [4] Z0.1
[4]
IC6
D[0] +5V/BATT
10 11
A0 D0
9 12 D[1] 3_3V/BATT 3_3V 1
A1 D1 VSS VCC
2
8 13 D[2]
A2 D2 5V/BATT CLE CE
7 15 D[3] ALE 3
ALE RE
A3 D3 FWR
6 16 D[4] 4
A4 D4 WE R/B
D[5] 5
5 17 WP GND
A5 D5
4 18 D[6] CLE 6
N.C. N.C.
A6 D6 D[7] 7
3 19
A7 D7 Q1 N.C. N.C.
8
25 N.C. N.C.
A8
24 9
A9 D1 N.C. N.C.
10
21 28 N.C. N.C.
A10 VCC
23 NC 11
[6]
A11 12
2
A12
BATT 13
26 20 N.C. N.C.
A13 CS
1 Q3 14
A14 N.C. N.C.
Q2 15
22
OE N.C. N.C.
14 27 16
N.C. N.C.
GND WE
17
R17 0 N.C. N.C.
SRAM [6] D[0] 18
[6] NC I/O0 I/O7
D[1]
[6] 19
I/O1 I/O6
R20 [6] 5.6K D[2] 20
I/O2 I/O5
D[3] 21
I/O3 I/O4
22
VSS VCC
Z0.1 C33
[6]
Flash
+5VD
+5VD
+3.3V
EYESYNC
EYECLK
+5VD EYEXY
DG
DB5 72
DB1 71 A[4]
A[3]
DB4 70
DB2 69 A[2]
DG
DB3 68 A[1]
R102
A[0]
XRESCS2/OP71 67
XCAS2/IOP44 66
XCAS1/IOP43 65
L5 [4]
XRAS/IOP42 64
Z0.1uF C22
3.3V 63
[4]
VSS 62
R14
XMDMCS 61
XMDMINT 60
[4]
TEST4 59 1M
TEST3 58 X2
TEST2 57
[3]
TEST1 56 24MHZ
C43
XTEST 55
[6]
5V 54 R32
C24
VSS 53 [4] [6]
XIN 52
Z0.1uF
1K
XOUT 51
C23
3.3V 50
A13 [4]
ADR13 49
Z0.1uF SPMUTE
ADR14 48 A14
R13
ADR15 47 A15
FWR
XOPRBE/MUX/OP53 46
[4] R15 100
XHSTWR/IOP41 45 100
FRE
XHSTRD/IOP40 44
[6] HOOK
XWAIT/IP60 43
CLE
20KOSC/IOP56 42
5V 41 R/B
VSS 40
[4]
FMEMCLK/IOP24 39 C21 Z0.1uF
FCE
FMEMDI/IOP25
38 ALE
FMEMDO/IOP26
37
MILAT/IOP47
XNMI/XINT
R80 C101
K680p [6] C99 [6] 18K [6] K0.1
R81 C102
39K [6] R79
[6] [6]
39K K0.1
+24VA
R82 C103
[4] [4]
8 2
R75 [4] C97 [4]
1 1
+12V 100K K0.01
1K 3
K0.1 IC11 -2 4
2
[6]
DG
R83
[4]
3
+5V +3.3V 330K Vref
4
5
4.7K [6] R74
6
+12V
R84 C105 7
[4] VSS
[4]
TEST
4.7K K0.1
C96 [4]
IC11
K0.1 5 [6]
7
6
R71 R73
[6] [4]
120K +12V R78 [6] 330K C104
0 [4]
K0.1
C98 [6] J100P
C106
[6]
[6]
6.8K
K0.1
+24V +24VA
Vref +5VA
Q9
[4]
R66 +12V
[4]
10K
149
+24V
FAX TX
CN1 [0]
1 +24v
[6]
FAX RX
44
2 +24v
43 FCE
42 FRE
R/B 3 +24v
41
40
4 GND
39
+5VD +5V +5VA
38
5 GND
37
36 +5V
6 GND
35
34
J4
33 7 +5V [6]
32 0
8 NC
31
30
29 TO POWER SUPPLY UNIT
28
D[7]
27
D[6]
26
25 D[5]
D[4]
24
23
+5VD
+5VD
C44
[6]
D10p L6 MDM3_3V
C45
[6]
D10p
L9 [4]
32.256MHZ [6]
XCLK
RESERVED
1 SR4IN/RESERVED GPO5 102
2 SR3OUT/RESERVED GPO6 101
3 EYESYNC VDD4
100
4 EYECLK GPO7 99
5 RXD GPI7 98
6 SR1IO 32.256MHz GPI6 97
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
15 RTS# D0 88
RA7
16 DGND1 DGND3 87
100
17 TXD D1 86
D[0]
18 SA1CLK VDD3 85
IC5 [6] 5 4 D[1]
19 RS4 DGND2 84
D[2]
6 3
20 RS3 D2 83
7 2 D[3]
MODEM
21 RS2 D3 82
8 1 D[4]
22 RS1 D4 81
[4] [6] 5 4 D[5]
23 RS0 D5 80
6 3 D[6]
24 YCLK D6 79
NC D[7]
7 2
25 IACLK D7 78
8 1
26 IA1CLK VDD2 77 RA8 100
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
K0.1 34 LINEIN_S/NC
LINEOUT_P 69
35 MICP_S/NC VAA_P 68
R33 36 MICM_S/NC
VC_P 67
37 MICBIAS_S/NC VREF_P 66
[6]
38 NC NC 65
2.2K
Vref
R36
R37
[6] [6] FAX TX
2.2K
1K
[6]
C47 K0.1
C119
[6]
J33P
C117 [6] R95 [6] R97 [6]
K0.1 27K 470K
C118 R96
[6] [6]
2
K0.1 68K 1
[6] C110 3 [6]
IC10
-1
K0.1 +12V
+5VA
C115
[6]
IC9
NC
14
VDD
[6] R93
13
NC
+24VA
12 R94
C116
8 6 [4] [4]
11
7 NC NC
5
10 IC10 -2 4 FAX RX
+12V
[6]
9
8
C107
[4]
Z0.1
C111 R92 C114
[4] [4] [4]
K0.1 43K 0
C108
[6]
K0.1
R87
KX-FT25LA
+5VD
IC7
PFVIMM1385EN [6]
L11
1 5
CONT VIN
[6]
2
GND
3 4
NOISE VOUT
1 3
R40
2
[3]
FLT1
NC 0 [6]
+5VA +5V +24V
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