Motorola TDMA T2290 Service Manual page 107

Talkabout digital wireless telephone
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TDMA T2290/T2297:
PWRON
U960-6
AGC_RSSI
page B29
U110
page B7
RESET
U1000
page B37
3WB_RTN
U1000
page B37
CMP_LVL
U1000
MAN_LVL
page B37
R1011
page B41
SRAM_VCC
RAM_CS0
U1000
SRAM_S1*
page B37
U1300
GCAP2_INT
page B39
U1000
19.44MHZ
page B37
C153
page B21
VDOUB
32kHz
U1000
page B37
5V
RX_2.75V
WDI
U1000
KEY_ON*_OFF
page B37
R10100
ON2*
4.03V
page B43
TP29
AUDIO_OUT
page B44
TP29
page B44
RT1
650mv-pp@1K
U1900
CODEC_BUS
page B33
SPI_BUS
U1000
page B37
AUDIO_IN
C18908
page B41
THERM_AD
TX_2.75
VAG
GCAP2
.46Vpp
Y1500
AD4
CONV_BYP
CR1563
R1514
R1597
A
U1500
SPKR_IN
SPKROUT
CD_CAP
GCAP2
C1580
R1516
C1521
C1510
C1511
R1521
C1523
R1524
C1595
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distribution strictly prohibited without prior written
consent from Motorola and must be returned upon
Motorola's request.
Motorola Confidential Proprietary
ALRT_OUT
1VP-P
L907
L1593
L1599
HDST_SPKR
R1554
C1536
C1539
C1594
AUX_MIC
R1553
C1540
C1544
C1522
C1514
C1516
VOLTAGE SUPPLIES
Colored boxes represent the area in
which the components are placed.
REF_2.75V
R1555
page B31
QMOD_KEY
U1800-20
page B23
TX_2.75
B
SW_QMOD_KEY
B+
SPKR+
page B29
R10095
SPKR-
page B31
R10096
page B31
R1536
page B31
DRIVER_B+
2.75V
J940-1
page B31
VAG
TX ON TX OFF
.113V
2.82V
A
B
2.87V
0V
MIC_BIAS
MIC+
J900-1
page B31
MIC-
J900-2
page B31
2.75V

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