Service manual

FL601
TDMAM3090/M3097: MERLIN (U601)
B13
XFMR601
FL620
Q667
L602
page B7
TX_SF
U401
TX_2.75V
R835
C719
TX_2.75V
R353
page B5
page B15
page B15
page B41
U201-17
page B25
U201-20
page B25
U201-30
page B25
U201-14
page B25
page B25
U201-38
U201-37
page B25
U201-42
page B25
page B25
U201-41
OVCO_E
B
TX
On
Off
2.76V
0V
IN OUT
BUFF_VCO
TX_2.75V
page B27
800*_1900
U1903-64
TX_2.75V
page B27
TX_STEP
QMOD_KEY
AOC_CNTL
A_D
TXPRE_IN
page B7
TX_QX
TX_Q
TX_IX
TX_I
R512
page B11
OVCO_IN
page B27
800_OUT
page B27
1900_OUT
-30.47 dBm@800MHz
992.31MHz
-9.35 dBm@1.9GHz
1027.13MHz
A
Band8001900
2.73V0V
A
VCC_OFFSET
OVCO_OUT
OFFSET2
B
C
-15.66 dBm@Cellular
157.32MHz
-18.79 dBm@PCS
192.36MHz
C
234567
Power Step
1.7V 1.32V1.45V1.26V1.39V1.54V
-33.11 dBm
833.805MHz
-27.74 dBm
833.805MHz
-17.79 dBm
1859.97MHz
-21.5dBm
1859.97MHz
-15.59 dBm
1859.97MHz
-1 dBm
834.99MHz
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
VCO SIGNAL
TX SIGNAL
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