Figure 7-99. Hue4040A Receiver If Schematic - Motorola ASTRO Digital XTL 5000 Detailed Service Manual

Schematics, Component Location Diagrams, and Parts Lists: HUE4040A (UHF Range 2) Main Board
9.3V_FROM_BE
9.3V_TO_CONTR
C5404 C5412
R5412
IF_IN
0
15pF 2.7pF
C5411
R5411 R5413 L5406
1MEG 220nH
1MEG
0.5pF
NU
NU NU
6881096C74-B
Coming From Abacus
RX_FILT_1
RF_ATTN_1_ C
RF_ATTN_2_ C
RF_ATTN_3_ C
5V_IF
E5400
C5425 C5428
C5426 C5427
220pF 0.1uF 0.1uF
220pF
NU
C5429 C5430
220pF
0.1uF
NU
NU
109.65MHz
Y5400
C5405
C5406
6 3
IN OUT
2.7pF 16pF
L5400 C5410 C5413 L5407
1 2 4 5 L5403
390nH 220nH
390nH 1.8pF 1.8pF
Going to Frontend
RX_FILT_1_A
RF_ATTN_1_B
RF_ATTN_2_B
RF_ATTN_3_B
9.3V_FROM_FE
SH5400
R5404
L5408
1uH
0
C5401
C5400
R5403
330
0.1uF 220pF
R5400
680
R5401
27K
C5402
0.1uF
Q5401 C5403
C5408
13pF 3pF
C5417 C5414 C5418
L5401
R5402
L5404
390nH
0.5pF 8.2pF 1.8pF
6.8K
270nH
NU
R5414
R5415
0
0
R5405
10K
C5431
C5432
0.1uF
220pF
NU
Q5402
R5406
1K
R5408 C5419
8.2K
220pF
4 5
C5423
.01uF
U5400
GND
109.65MHz 3 1
Y5401
C5415 C5407
R5407
3
6
IN OUT
0
2.7pF 15pF
NU
C5416
C5409 L541 1
1 2 4 5 L5402
220nH
390nH
1.8pF 0.5pF
NU

Figure 7-99. HUE4040A Receiver IF Schematic

7-145
C5420
.01uF
C5433
2
.01uF
C5424
IF_OUT
.01uF IF_TO_ABACUS
C5422
0.5pF
D5400
NU
May 25, 2005