CALL_DATA
CALL_ADD
MODEM_ADDR
U1900
page B33
MODEM_DATA
U1900
page B33
U1000
page B37
2.75V
page B25
2.75V
page B25
19.44MHZ
C153
page B21
IRQ
RF_CLK
RF_DATA
ZIFSYN_EN
RDB
800*_1900
800_1900*
1900KEY*
800KEY*
U1900
page B33
U110
page B7
U110
page B7
U110
page B7
U1200
page B41
U1000
page B37
Q1805
Q1804
page B39
page B15
page B15
U10,U301
U104
page B5
page BXX
page B13
Q351
page B11
800*_1900
TX_ENB
U1800
page B23
TRICKLE_SET
U960-3
page B29
CHRG_EN
U960-3
page B29
FS
ACC_STATE
R1099
RWB
U1000
page B37
2.75V
RESET
U1000
page B37
HOST_EN
ECLK
U1000
page B37
U1000
page B37
GP_INT
RWN
IO
U1900
page B33
U1900
page B33
U1900
page B33
page B25
VOLTAGE SUPPLIES
Colored boxes represent the area in
which the components are placed.
Motorola Confidential Proprietary
This manual is Motorola property. Copying or
distribution strictly prohibited without prior written
consent from Motorola and must be returned upon
Motorola's request.
U1000
page B37
A
B
C
Accessory
CLA
AC
Chrgr
DHFA
A
TX
On
Off
0.1V 2.82V
On
Off
Charger
C
2.68V .11V
B
Pin 61
On
Off
.055v
1900TX
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34 35
36
37 38
39 40
41
42 43 44
45
46 47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
U1907
STUART
C18853
R1700
C1702
C18910
C1701
C18911
C1700
TDMA T2290/T2297:
STUART(U1907)
B35
R1036
C1531
Pin 63
Pin 64
800Mhz 1.9Ghz
.052v
2.82v
.055v
2.82v
Pin 62
On
Off
.055v
800TX
Summary of Contents for T2290
Page 1: ...DIGITAL WIRELESS TELEPHONE Service Manual Level 3 Release 1 TDMA T2290 T2297 ...
Page 26: ... 2000 Motorola Inc TDMA T2290 T2297 Cellular Overview 16 ...
Page 40: ...Motorola Confidential Proprietary TDMA T2290 T2297 TDMA Test Mode NAM Programming 30 ...
Page 68: ...Disassembly TDMA T2290 T2297 Keypad Removal Motorola Confidential Proprietary 58 ...