Panasonic KX-FT931LA-B

146
KX-FT931LA-B
FAX TX signal
FAX RX signal
KX-FT931LA-B : DIGITAL BOARD SCHEMATIC DIAGRAM
+3.3VD
+5VA
1
2
3
4
5
6
7
VSS
8
9
10
11
12
13
14
VDD
+5VA
+2V
10K
RA7
1 2 3 45
6 7 8
+24LV
+2V
+2V
+5VA
Q16
+3.3VD
CN2
1
+24V
2
DG
3
+5V
4
PA P ER
5
LINETX
6
TONE1
7
RLY
8
CPC
9
JAM
10
P_SHORT
11
BELL/DCN
12
HOOK
13
LINERX
14
MONRX
15
H/STX_MUTE
16
H/SRX
D504
( )
R201
NC
+3.3VD
1
VSS1
2
VDD2
3
VSSo3
4
VDDo4
5
EYEXY/XCLK
6
RESERVED6
7
RESERVED7
8
PIA_RESETn
9
PIA_STROBE
10
PIA_TXSIN
11
PIA_RXOUT
12
PIA_CNTRL_SIN
13
PIA_CLKIN
14
PIA_SCLK
15
IA1_SCLK
16
IA1_CLKIN
17
IA1_CNTRL_SIN
18
IA1_TESTC
19
IA1_RXOUT
20
IA1_TXSIN
21
IA1_STROBE
22
IA1_RESETn
23
RESERVED23
24
IA_AVSS
25
RESERVED25
26
RESERVED26
27
RESERVED27
28
RESERVED28
29
RESERVED29
30
RESERVED30
31
RESERVED31
32
RESERVED32
33
RESERVED33
34
RESERVED34
35
RESERVED35
36
RESERVED36
37
RESERVED37
38
RESERVED38
39
RESERVED39
40
IA_AVSS40
41
RESERVED41
42
RESERVED42
43
RESERVED43
44
RESERVED44
45
RESERVED45
46
IA_AVSS46
47
IA_RXP
48
IA_RXM
49
IA1_HSMICP
50
IA1_HSMICM
51
IA1_HSMIC_BIAS
52
IA1_Vref
53
IA1_VC
54
IA1_AVDD
55
IA1_TXM
56
IA1_TXP
57
IA1_SPKRP
58
IA1_SPKRM
59
IA_AVSS59
60
IA1_VDD
61
RINGDn
62
GPO1
63
GP02
64
GPI0
65
GPI1
66
GPI2
67
TEST
68
XTLI
69
XTLO
70
VDD70
71
VSS71
72
VSSo72
73
AVS S
74
VBG
75
ENABLE_VREG18D
76
AVD D
77
VDDo77
78
CSn
79
RDn
80
WRn
81
SPRn
82
A4
83
A3
84
A2
85
A1
86
A0
87
VDDo87
88
VSSo88
89
VSS89
90
VDD90
91
D0
92
D1
93
D2
94
D3
95
D4
96
D5
97
D6
98
D7
99
RESETn
100
IRQn
22
R227
+3.3VD
( )
D505
NC
( )
D506
NC
( )
NC
C231
+5VA
( )
Q17
NC
NC
1
A11
2
A9
3
A8
4
A13
5
A14
6
A17
7
WE
8
VDD
9
A18
10
A16
11
A15
12
A12
13
A7
14
A6
15
A5
16
A4
17
A3
18
A2
19
A1
20
A0
21
D0
22
D1
23
D2
24
VSS
25
D3
26
D4
27
D5
28
D6
29
D7
30
CE
31
A10
32
OE
R94 22K R93 2.2K
1.5K
R95
R91 220
Q13
R92 220
+3.3VD
R96 10
( )
D507
NC
+5V
CN10
1
+5V+
2
TXD
3
RXD
4
RTS
5
CTS
6
DSR
7
DTR
8
GND
+5V
+5VA
X2
BR3
24.00MHz
R162 1M
X3
32.256MHz
1KR229
CN9
1
SP+
2
SP-
( )
Q18
NC
Z0.1u
C94
Z0.1u
C129
R204
DG DG
DG
DG
DG
( )
C86 NC
8.2K
R76
DG
DG
DG
DGDG
DG DG
DG
DG
DG
DG
DG
DG
DG
DGDG
DG
DG
DG
DG
DG
DG
DGDG
DG
DG
DG
DG
DG
DG
DG
R203
Q14
L18
L17
L6
L7
K330p
C111
12KR75
C205
Z1u
C203
Z1u
Z1uC238
R209 R208
( )
L19
NC
( )
L20
NC
+3.3VD
L4 L3
+5VA
+5VA
+5VA
DG DG
DG
( )
NC
R147
1
CD
2
FC2
3
FC1
4
VIN
5
VO1
6
VCC
7
GND
8
VO2
( )
NC
R146
120K
R145
9.1KR141
15K
R140
120K
R144
10KR142
0
R143
AB
1
2
3
4
V-
5
6
7
8
V+
3.3K
R131
4.7K
R38
C93
NC
J100p
C32
J100p
C33
( )
C91 NC
C92
J100p
J100p
C127
J100p
C232
K0.01u
C34
K0.01u
C113
Z0.1u
C90
( )
NC
C106
C116
Z0.1u
( )
C117
NC
( )
C126
NC
Z0.1u
C172
Z0.1u
C202
Z0.1u
C206
( )
C211
NC
( )
C212
NC
Z0.1uC226 Z0.1u
C229
C230
NC
Z0.1u
C233
Z0.1uC234
Z0.1u
C239
Z0.1u C240 Z0.1u C241
( )
C84 NC
D10p C173 D10p C174
K0.1u
C110
K0.1u
C114
K0.1uC118
( )
C119 NC
( )
C120
NC
( )
C124
NC
K0.1u
C125
K0.1u
C128
C208
NC
( )( )
C209
NC
K0.1uC217
K0.1uC219
( )
C220
NC
K0.1u
C222
( )
C223
NC
K0.033u
C112
( )
C210
NC
K680p
C115
( )
C121
NC
( )
C122
NC
( )
C123
NC
K4700p
C201
J33p
C204
K1000p
C169
( )
C170
NC
K1000p
C207
( )
C200
NC
K0.22u
C216
K0.22u
C221
J12p
C236
J12p
C237
( )
( )
( )
( )
C224
NC
0
L9
0
L10
0
L11
0
L12
( )
R118
NC
( )
R119
NC
0
R160
0
R200
0
R220
0
R222
0
R224
0
R230
0
R231
0J5
R202 100
R205
100
R206
100
R207
100
R210
100
R211
100
R212
100
R213
100
47K
R111
( )
R121
NC
47K
R124
47KR228
4.7K
R34
4.7K
R36
4.7K
R221
3.9K
R223
R232
4.7K
1K
R35
1K
R37
1K
R39
1KR164
R178 1K
( )
R113
NC
( )
R114
NC
( )
R115
NC
3.3KR90
3.3K
R233
2.2K
R110
( )
R117
NC
2.2K
R125
2.2K
R129
( )
R217
NC
R214
2.7K
( )
R216
NC
( )
R120
NC
100K
R123
330K
R112
( )
R116
NC
330K
R127
39K
R126
36K
R128
24KR130
120K
R159
R163
150
( )
R225
NC
6.3V47u
C85
( )
C213 NC
( )
C214 NC
C227 NC
C228 NC
C235
16V10u
K0.1u
C140
( )
C141
NC
50V4.7u
C142
K1000pC143
( )
C144
NC
( )
NCC145
( )
NCC146
2.2K
R40
+5VA
+5V
CN8
1LEDVCC 2LEDGND 3FI(DATA) 4FTG(CLK) 5+3.3V 6GND 7AIN(SI)
( )
R215
NC
( )
R218
NC
( )
C215
NC
+3.3VD
( )
C242 NC
( )
C243 NC
20K
R226
K0.068u
C225
10KR219
+24LV
+2V
EYESYNCXCLK/EYEXY
XTEST
EYECLK
TEST
A[10]
RBA[1]
RBA[4]
A[9]
D[3]
A[2]
RBA[3]
D[0]
A[5]
D[6]
A[11]
A[0]
RBA[2]
A[12]
D[7]A[7]
D[1]
A[3]
RBA[5]
A[6]
D[2]
A[8]
RBA[0]
A[1]
A[4] D[4]
D[5]
TELRXEN
HSRXEN
TONE1EN
TONE2EN
HSRXEN
TONE2EN
D[7]
D[6]
D[0]
D[5]
D[1]
D[4]
D[2]
D[3]
HSTXMUTE
PSHORT
HOOK
MDMCS
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
A[0]
A[1]
A[2]
A[3]
A[4]
A[5]
MDMRST
MDMCS
ACK_EN
PWRCNT
LEDON
F1
FTG
CISON
AIN1
BELL
TELRXEN
PSHORT
MDMTXEN
HSTXMUTE
ACK_EN
BELL
RLY
SPMUTE
BLEEDER_ON
PA P ER
HOOK
JAM
SPMUTE
CPC
MDMTXEN
TONE1EN
TO ANALOG
+5V TO +2V
CIS BLOCK
4M FLASH
FOR VOICE
TO FLASH
PROGRAMMER
TO SPEAKER
EYE PATTERN MONITOR
TEST PAD
TAM MODEL ONLY
IC10
IC5
IC6
IC12
IC9
(2)
(1)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)