Panasonic KX-FT901CX-B Service Manual page 176

KX-FT901CX-B / KX-FT903CX-B / KX-FT901CX-W / KX-FT903CX-W / KX-FT901CX-S / KX-FT903CX-S
CUTTER MODEL ONLY
4M FLASH
for VOICE
IC6 NC
A[0]
20 A0 21
D0
A[1] 19 A1 22
D1
A[2]
18 A2 23
D2
A[3] 17 A3 25
D3
A[4]
16 A4 26
D4
A[5] 15 A5 27
D5
A[6] 14 A6 28
D6
A[7]
13 A7 29
D7
A[8] 3 A8
A[9]
2 A9
A[10] 31 A10
A[11] 1 A11
A[12] 12
7
A12 WE
RBA[0] 4 A13 8
VDD
RBA[1]
5 A14 24
VSS
RBA[2] 11 A15
RBA[3] 10 A16
RBA[4]
6 A17
30 CE
32 OE 9
A18
RBA[5]
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9) /MDMCS
(10)
(11)
(12)
(13)
(14)
(15) (16)
(17)
/MDMRST
(18)
(19)
(20)
R61
1M
X2
24.00MHz
(21)
(22)
(23)
R8
(24)
120K
SPMUTE
(25)
CIS BLOCK
+3.3VD
(26)
SIG
CIS Power
ON: 0V
OFF: 3.3V
(27)
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
+3.3VD
K0.033u
C58
C59
K0.01u
Q9
C60 NC
( )
C61
K0.1u
D[7]
D[6]
D[0]
D[5]
MDMRST CONTROL
D[1]
+5VD
D[4]
RST ENABLE : Low
D[2] RST DISENABLE : Hi-z
D[3]
( )
( )
Q10
Q8
R70
0
R80
X3
32.256MHz
CIS LED ARRAY
ON: 3.3V
R9
OFF: 0V
0
FTG CLK
R62
+24V1
100K
Q7
+3.3VD
R76
Q11
10K
R72
( )
NC
TO CIS
CN8
L18
C65
0
K0.1u
IC9
1 8
2 7
A B
R77
3 6
3.3K +2V
R78
4 5
100K
L14 +2V
0
+5VA
R79
16K
+3.3VD
C75
( )
C76
Z0.1u
Z0.1u
C74
+5VD 103 RESERVED
104 GPO4
105 GPO3
106 DGND4
107 CTS
108 IRQ1
109 GPO2
110 GPO1
32.256MHz
111 GPO0
112 VDD5
113 VGG
114 DGND5
115 RESET
116 XTALI
117 XTALO
180 FM209 OR FM209VS
XCLK 118 RESERVED
119 XCLK
120 GPI1
121 IRQ2
122 SR3IN
123 RESERVED
124 RESERVED
125 DGND6 SR4IN/RESERVED
126 DVAA SR3OUT/RESERVED
127 AGND5
128 RESERVED
C81
Z0.1u
R118
10K
IC12
1 CD
VO2
2 FC2
GND
3 FC1
VCC
4 VIN
VO1
K1000p
C126
K0.1u R116 15K R117 10K
C127
176
+5VA
RA9
10K
MDMTXEN
TONE1EN
Z0.1u
C97
+5VA
IC10
1 14
VDD
2 13 TELRXEN
3 12 HSRXEN
4 11
5 10
6 9
7 VSS 8
R124 24K
C89
C98
R102
C87 ( ) ( ) ( )
( )
R98
X4 ( )
( )
+5VA
IC11 NC
Please arrange near the IC
as much as possible.
NC 64
MICBIAS_P 63
MICM_P 62
MICP_P 61
LINEIN_P 60
NC 59
AGND3 58
IARESET_P 57
FSYNC_P 56
SIN_P 55
SOUT_P 54
RESERVED 53
IC5
CTRLSIN_P 52
MCLK_P 51
ICLK_S/NC 50
RESERVED/NC 49
AVDD_S/NC 48
SPKRM_S/NC 47
SPKRP_S/NC 46
AGND2 45
NC 44
LINEOUT_S/NC 43
VAA_S/NC 42
VC_S/NC 41
VREF_S/NC
40
NC 39
R100 100
R101 100
Please arrange near the IC
C96 R103
( ) ( )
+5VA
NC NC
2.1V
1
CN9
8
1
7
2
1
6
5
KX-FT901CX-B/W/S : DIGITAL BOARD
FAX TX
FAX RX
+24V1 +5VA
TO ANALOG
CN2
1 +24V
2 DG
3 +5V
PAPER
4 PAPER
5 LINETX
6 TONE1
RLY
7 RLY
CPC
8 CPC
JAM
9 JAM
PSHORT
10 P_SHORT
BELL
11 BELL
HOOK
12 HOOK
13 LINERX
14 MONRX
15 H/STX_MUTE
16 H/SRX
HSTXMUTE
C129
K0.1u
+5VA
TAD MODEL ONLY
as much as possible.