Motorola MCS 2000 Service Instructions Manual page 49

(NOTE 1)
C6363
470pF
R6362
100k
IF5_1_1_CB2B
C6364
CR6251 C6365
IF_IN
0.1uF 0.1uF
C6369
R6364
C6367 R6367
R6366
47 47
470pF
47
470pF
R6368
R6369
470k CR6253
470k
R6372
R6370
R6373
470k
100k
100k
C6371 C6372 C6373
470pF 470pF
470pF
R6392
(NOTE 3)
10
C6376
R6377
10
0.01uF
R6376 R6378
1k
1k
IF1_3_7_CB2B IF1_3_9_CB2B
NOTES:
1: THESE COMPONENTS ARE PLACED ONLY FOR 900MHz RADIOS.
2: THESE COMPONENTS ARE NOT PLACED.
3: THESE COMPONENTS ARE PLACED ONLY FOR 800MHz RADIOS.
Revision B, 5/98
(NOTE 2)
L6375
1
1.0UH
MC3303
R6351
R6363
100k
100k
CR6252 C6366 CR6255
R6350
C6370 C6359 0
R6365 0.1uF R6352
C6368
R6353 C6358
47 47
470pF 470pF
47
470pF
470pF
R6354
CR6254 CR6256
470k
R6371 R6355
R6356
470k
470k
100k
C6374 C6360
C6361
470pF 470pF
470pF
R6357
0
(NOTE 1)
AGC SHIELDS
SH6330 SH6340
E6310 E6320
SHIELD_AGC SHIELD_AGC
SHIELD SHIELD
IF1_2_14_CB2B
R6342
10k
R6343
C6362
3.9k
R6344
10k
6.8NF
R6359
R6358 R6345
150k 110k 39k
C6352
C6353
2 470pF 4 470pF
13
U6202 R6360
14
3
U6202
12
36k
MC3303
11 (RSSI IN)
R6361
15k
C6357 C6377 C6378
4.3pF
0.1uF 27pF
(NOTE 1)
L6376 C6379
L6377
390nH
390nH
6.8pF
This document was created with FrameMaker 4.0.3
R6382
R6381 C6383 C6395
R6384 330
270 39pF
2k 0.01uF
Q6382
3906L
R6383 L6380 C6384
100
1.0UH 0.01uF
R6385
C6385
3.3k
R6386
0.01uF
2k
C6387 C6388
R6387 C6386 R6388
51
470
0.01uF 27pF 4.3pF
C6381 C6382
Y6376
4.3pF 27pF
73.350M
Q6388
L6381 L6382
NE85634
390nH C6389
6.8pF
L6378 L6379
C6380 R6380 R6379
390nH 4.7 4.7
6.8pF
390nH
IF1_3_5_CB2B
CLk
IF1_3_4_CB2B
SPI_TX_DATA
C6401 IF1_2_13_CB2B
ROSC_SEL
39pF
C6400
IF1_3_11_CB2B
LOCk_DET
39pF
C6394
AUDIO_MOD
IF1_2_12_CB2B
39pF
C6392
SYN_SEL IF1_3_10_CB2B
39pF
C6393
2.1MHZ
39pF
C6403
39pF
C6402
39pF
IF5_3_2_CB2B IF4_4_2_CB2B IF1_2_15_CB2B
9.3V
IF5_4_4_CB2B IF3_4_8_CB2B IF4_4_8_CB2B
RF_REG_5V
IF3_2_9_CB2B
Y6377 C6391
R6389 R6391
73.350M
IF_V_OUT
0
0
10pF
C6390
L6383 R6390 R6393
6.8pF 390nH 30k
30k
IF1_3_1_CB2B IF3_2_13_CB2B
DUPLEX_LOCk_DET
IF1_3_6_CB2B IF5_2_3_CB2B
RX_CNTL1
IF1_2_16_CB2B
RX_CNTL2
IF4_3_9_CB2B
IF1_2_19_CB2B
IF4_2_7_CB2B
DUPLEX_SYN_SEL
IF4_3_1_CB2B
IF3_3_2_CB2B
IF3_3_3_CB2B
IF4_4_5_CB2B
IF4_3_3_CB2B
IF4_1_6_CB2B
IF4_3_4_CB2B
IF3_3_5_CB2B
IF1_3_8_CB2B
IF3_2_6_CB2B
IF1_2_17_CB2B
SQUELCH
IF3_2_1_CB2B
ZIF_SEL IF1_2_18_CB2B
C6396
IF3_3_4_CB2B
IF1_3_2_CB2B
39pF
C6397
39pF
IF3_3_7_CB2B
IF1_3_3_CB2B
C6398
39pF
C6399
39pF
63A81088C66-A
Receiver IF (Kits FLF5604A, FLF5606A;
FLF5952A; FUF5752A) Schematic Diagram
DISC
RSSI
41