R801
page B17
800_PA_IN
C499
800_OUT
D
page B25
TX_2.75
800BIAS
R802
800KEY*
U1907-62
page B17
page B35
page B25
A_D
U1800-14
page B23
C333
page B13
1900_OUT
1900_PA_IN
R999
page B17
page B13
1900KEY*
U1907-61
page B35
1900BIAS
R906
page B17
Q1807-4
800KEY
page B17
Q901-4
page B17
1900KEY
800KEY
Q1805
1900KEY
Q1805
B
F
G
H
E
D
I
J
FL452
C407
C414
L407
R451
C400
R406
Q411
Q401
L404
L403
R10018
C406
Q475
R10016
R10017
FL454
R407
R408
TDMA T2290/T2297:
Exciter
B15
Q811
R811
Q810
R499
R498
Q910
R409
C411
C404
C455
L400
C452
R450
C410
R405
L405
C405
L406
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.
VOLTAGE SUPPLIES
Colored boxes represent the area in
which the components are placed.
Channel: 333
Cellular TX Freq: 834.99MHz
PCS TX Freq: 1859.97MHz
TX SIGNAL
A
B
C
E
D
F
G
H
A
C
Analog Digital
2.95V
.11V
1V
1.67V
-12.16 dBm
834.99MHz
-20.18 dBm
1859.97MHz
-1.21 dBm
834.99MHz
-7.69 dBm
834.99MHz
-25.96 dBm
1859.97MHz
B
E
J
I
-15.1dbm
834.99Mhz
-11.31dbm
843.99Mhz
800TX On
Off
1900TX On
Off
K
L
K
L
4.47V
.04V
.27V
.04V
0V
.05V
4.46V
.05V
.05V
.04V
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 ...