Panasonic KX-FT901CX-B Service Manual page 178

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
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
+3.3VD
A[12] 12 A12 7
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 9
OE A18
RBA[5]
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9) /MDMCS
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18) /MDMRST
(19)
(20)
R61
1M
X2
24.00MHz
(21)
(22)
(23)
R9
R8
(24)
120K 0
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]
C65
K0.1u
K0.033u
C58
R77
3.3K
C59
R78
K0.01u 100K
Q9
C60 NC
R79
( )
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
X3 R80 180
32.256MHz
CIS LED ARRAY
ON: 3.3V
OFF: 0V
FTG CLK
R62
+24V1
100K
[6]
Q7
+3.3VD
R76
Q11
10K
R72
( )
NC
TO CIS
CN8
+5VA
L18
0
IC9
1 8
2 7
A B
+2V 3 6
4 5
L14
+2V
0
+5VA
16K
+3.3VD
C75
( )
C76
Z0.1u
C74
Z0.1u
+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
118 FM209 OR FM209VS
XCLK 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
IC12
1
CD
2
FC2
3
FC1
4
VIN
C126
C127 K0.1u R116 15K
R117
178
+5VA
RA9
10K
MDMTXEN
TONE1EN
C97 Z0.1u
IC10
1 14
VDD
2 13
3 12
4 11
5 10
6 9
7 8
VSS
R124 24K
C89 R102 C98
( ) ( ) ( )
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
10K
1
CN9
8
1
VO2
7
GND 2
1
6
VCC
5
VO1
K1000p
10K
KX-FT903CX-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
TELRXEN RLY
7 RLY
HSRXEN 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.