Dci(U201) - Motorola TDMA M3090 Service Manual

Digital wireless telephone
Table of Contents

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TDMA M3090/M3097:
5.2Vpp@10kHz
FM
C513
page B11
TX_QX
U601
page B13
TX_Q
U601
page B13
2.75V
page B27
SCLK
U1900
page B39
AGC_STEP
U401
page B7
RESET
U1000
page B43
BATT_SAV
Q1571
page B29
Sleep Mode
2.7V 0V
A
RX_2.75V
page B27
FS
U1900
page B39
TXDATA
U1900
page B39
RXDATA
U1900
page B39
IRQ
U1000
page B43
MISO
U1000
page B43
Analog Digital
B
2.87V
MOSI
U1000
CLK
page B43
U1000
SS1
page B39
U1000
page B43
RX On
E
2.73V
A_D
B
U601
page B13
C
TX_STEP
U601
page B13
EXT_EN
D
Q1102
1.3Vpp
19.44MHz
page B31
C153
page B23
TX_2.75V
page B27
FE_EN
E
R159
page B5

DCI(U201)

440mV
K
A
Off
On
48
1
2
3
4
5
6
0V
7
8
9
10
Off
11
0V
12
13
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distribution strictly prohibited without prior written
consent from Motorola and must be returned upon
Motorola's request.
Motorola Confidential Proprietary
47
46
45 44 43 42 41 40 39 38
14 15 16 17
18 19
20
21 22
23
24
440mV
RX Input
Powers Step
37
36
35
34
J
33
32
31
AOC_CNTL
I
30
29
28
27
26
25
H
RX Input
J
ZIFSYN_REF
TX_ENABLE
G
QMOD_KEY
F
TX On
Off
D
0V 3.77V
0V
2.75V
G
0V
2.76V
F
TX_I
U601
page B13
TX_IX
U601
page B13
INTEG_EN
U1900
page B39
<-51dBm >-39dBm
1.77V
2.79V
K
REF_2.75V
page B27
2
3
4
5
6
7
1.18V .855V .616V .47V 1.26V .901V
H
1.7V 1.56V 1.39V 1.25V 1.44V 1.31V
I
Powers Steps
2-5
6-10
2.78V 0.06V
C
AGC_RSSI
U401
page B7
R263
AFC
page B13
U150
page B23
RX_Q
U401
page B7
RX_I
U401
page B7
RF_DET
CR903
page B21
-20
-60
-116
2.6V 1.53V .437V
DEMOD
U401
page B7
U401
page B7
CR1561
page B15
U601,Q270
page B13
page B19

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Tdma m3097

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