Figure 9.4-14. Pmlf4040A/ Pmlf4040B/ Pmlf4040C/ Pmlf4040F Frequency Generation Unit (Fgu) Schematic - Sheet 3 Of 3 - Motorola XTS 2500 Service Manual

700/800 MHz Schematics, Board Overlays, and Parts Lists
IF530 IF531
SB1_1 SB1_2
IF536 IF537
PTT_1 PTT_2
IF538 IF539
MECH_SW_1 MECH_SW_2
IF540 IF541
RTA0_1 RTA0_2
IF542 IF543
RTA1_1 RTA1_2
IF544 IF545
RTA2_1 RTA2_2
IF546 IF547
RTA3_1 RTA3_2
IF548 IF549
TG2_SEC_CL_1 TG2_SEC_CL_2
IF550 IF551
GREEN_LED_1 GREEN_LED_2
IF552 IF553
RED_LED_1 RED_LED_2
IF554 IF555
EMERGENCY_1 EMERGENCY_2
IF556 IF557
VOLUME_1 VOLUME_2
IF558 IF559
ABACUS_CS_1 ABACUS_CS_2
IF564 IF565
RX_SSI_DATA_1 RX_SSI_DATA_2
IF577 IF523
RESET_OUT RESET_TX
6816985H01-F
R595 L511
VSW1
100uH
0
IF560
C518
4.7uF
C560
.01uF
IF576
SW_B+
DNP
C598
3.9pF
B500
POS
3
NEG
1
DATA
2
E501
88Z01
C599
1pF
DNP
L500
390nH
390nH
VR500
Figure 9.4-14. PMLF4040A/ PMLF4040B/ PMLF4040C/ PMLF4040F Frequency Generation Unit (FGU) Schematic – Sheet 3 of 3
DIG_3V Reg.
U502
LP3985
3
VEN IF561
1 5
DIG_3V
VIN VOUT
4
BYPASS
C517
4.7uF
R594
0
DNP
IF575
SW_B+_1
5V
DNP
D510 U500
LP2989
4 5
INPUT OUTPUT
8 7
SHUTDOWN ERROR
6
R520
SENSE
C513
1 2 330K
10uF BYPASS NC NC
C566
.01uF
C567
DNP
1pF
E500
F500
88Z01
24V 24V
IF580
2 1
C552
C504
220pF
2200pF
3
IF579
VR501
2
10V
10V
C555
1
C554 220pF
2200pF
IF524
IF578
BATTERY_ID
6.8V 6.8V
5V
R540
DNP
0
U501
LP3985
3
VEN
L503
1 5
VIN VOUT
4
100uH
BYPASS
C516
C511
4.7uF
4.7uF
C561
.01uF
5V
IF583
5V
C514
10uF
IF582
D511
RX_5V
DIG_3V
IF581
POR
R536
10K
IF534 R508
SB3
VR504 C507
100
DIG_3V
.01uF
6.8V 6.8V .01uF
NU
R537
10K
UNSW_B+
IF532 R509
SB2
VR505
C508
100
.01uF
6.8V .01uF
6.8V
NU
UNSW_B+_RX
UNSW_B+_TX
9.4-15
ANA_3V
ANA_3V
IF584
ANA_3V
S505
SWITCH
1 A1 B1 2
SWITCH
3 B2 4
A2
S503
SWITCH
1 A1 B1 2
SWITCH
3 A2 B2 4
February 14, 2012