Service manual
UHF (438-470 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486348Z09-A) 12-35
6880309N62-C June, 2005
R72 0662057M64 390
R73 0662057M80 1.8K
R74 0662057M76 1.2K
R75 0662057N01 12K
R76 0662057V04 12K
R77 0662057U99 8.2K
R78 0662057M70 680
R80 0662057N03 15K
R81 not used
R82 0662057M01 0
R90 0662057M43 51
R91 0662057M79 1.6K
R100 0662057M72 820
R101 0662057M20 5.6
R102 0662057M72 820
R103 0662057M85 3K
R104 0662057A07 18
R105 0662057M84 2.7K
R106 0662057M90 4.7K
R107 not used
R110 0662057M70 680
R111 0662057M77 1.3K
R120 0662057C55 150
R121 0662057C55 150
R150 0680539Z01 0.1
R151 0662057A15 39
R152 0662057V27 100K
R153 0662057V27 100K
R154 0662057V27 100K
R155 0662057V27 100K
R156 0662057M62 330
R157 0662057M82 2.2K
R158 0662057M91 5.1K
R159 0662057B47 0
R162 0662057M98 10K
R170 0662057N23 100K
R171 0662057N07 22K
R202 0662057N27 150K
R205 0662057M50 100
R206 not used
R212 0662057C01 0
R220 0662057M54 150
R221 0662057M54 150
R223 0662057M50 100
R227 0662057N27 150K
R230 0662057N23 100K
R243 0662057M81 2K
R244 0662057M43 51
R245 0662057M78 1.5K
R246 0662057N23 100K
R247 0662057N22 91K
Circuit
Ref
Motorola
Part No.
Description
R253 0662057M38 33
R254 0662057M50 100
R255 0662057U91 3.9K
R261 0662057N07 22K
R262 0662057M94 6.8K
R263 0662057M38 33
R264 0662057M50 100
R271 0662057M91 5.1K
R272 0662057M92 5.6K
R273 0662057M62 330
R274 0662057M38 33
R275 0662057M50 100
R276 0662057M74 1K
R277 0662057B47 0
R280 0662057M90 4.7K
R281 0662057M96 8.2K
R282 0662057M73 910
R283 0662057M54 150
R284 0662057M62 330
R285 0662057M01 0
R310 0662057N23 100K
R311 0662057N23 100K
R312 0662057N06 20K
R313 0662057N06 20K
R320 0662057V43 330K
R321 0662057V35 200K
R322 0662057N23 100K
R410 0662057M98 10K
R411 0662057M72 820
R412 0662057N23 100K
R413 0662057N23 100K
R414 0662057N11 33K
R415 0662057N11 33K
R416 0662057N06 20K
R417 0662057M98 10K
R418 0662057N23 100K
R419 0662057M90 4.7K
R420 0662057V35 200K
R421 0662057V27 100K
R422 0662057N23 100K
R423 0662057N23 100K
R424 0662057V35 200K
R425 0662057V27 100K
R430 0662057N23 100K
R431 not used
R432 0662057M01 0
R433 0662057N23 100K
R434 not used
R440 0662057M90 4.7K
R441 0662057M90 4.7K
R442 0662057A33 220
Circuit
Ref
Motorola
Part No.
Description
R443 0662057A27 120
R451 0662057N15 47K
R460 0662057N08 24K
R462 0662057N08 24K
R463 0662057N08 24K
R464 0662057N10 30K
R470 0662057M82 2.2K
R471 0662057M82 2.2K
R472 0662057M70 680
R473 0662057M70 680
R474 0662057A37 330
R475 0662057N29 180K
R476 0662057N23 100K
R477 0662057M82 2.2K
R478 0662057M82 2.2K
R479 0662057N23 100K
R480 0662057B47 0
R481 0662057N23 100K
R482 0662057N29 180K
R483 0662057N29 180K
R484 not used
R485 0662057N23 100K
R486 0662057N23 100K
R487 0662057M01 0
R490 not used
R491 0662057M01 0
R492 0662057N08 24K
R493 0662057N35 330K
R494 0662057V43 330K
R495 0662057M92 5.6K
R496 not used
R497 0662057N47 1MEG
R498 0662057N15 47K
R499 0662057N33 270K
R501 0662057M50 100
R502 0662057M50 100
R503 0662057M50 100
R504 0662057M50 100
R505 0662057M50 100
R506 0662057M50 100
R507 0662057M50 100
R508 0662057N23 100K
R509 0662057N23 100K
R510 0662057N35 330K
R511 0662057N23 100K
R512 0662057N27 150K
R513 0662057N23 100K
R514 0662057N23 100K
R515 0662057M01 0
R516 not used
R517 not used
Circuit
Ref
Motorola
Part No.
Description
R518 0662057N31 220K
R519 0662057N23 100K
R520 0662057N23 100K
R521 0662057N23 100K
S440 4080710Z22 switch, rotary, 16 channel
select
or
4080710Z13
switch, rotary, 4 channel select
S441 4070354A01 pushbutton switch, PTT
S442 4070354A01 pushbutton switch, side option
(lower)
S443 4070354A01 pushbutton switch, side option
(upper)
S444 1880619Z02 switch, rotary on-off, with 10K
volume control
SH1 2686421Z01 shield, comp side, RF front
end
SH40 2686419Z01 shield, solder side, first mixer
SH50 2686423Z01 shield, solder side, IFIC and
2nd LO crystal
SH52 2686424Z01 shield, solder side, high IF
crystal filter
SH100 2686418Z01 shield, solder side, transmitter
SH200 2686424Z01 shield, solder side, synthe-
sizer charge pump
SH201 2686423Z01 shield, com side, synthesizer
SH250 2686425Z01 shield, comp side, VCO tank
circuits
SH251 2686425Z01 shield, solder side, VCOBIC
SH253 2686422Z01 shield, comp side, VCO RX
injection buffer
SH400 2686420Z01 shield, solder side, micropro-
cessor
SH401 2686420Z01 shield, comp side, memory
T41 2580541Z02 transformer, balun
T42 2580541Z02 transformer, balun
U51 5186144B01 receiver system (IFIC), SA616
U52 5109522E10 triple inverter, TC7W04F
U110 5102466J01 transmitter PA module,
RA07M4452M_UHF
U150 5113818A01 dual opamp, LM2904
U151 2484657R01 bead
U201* 5185963A27 frequency synthesizer
U251 5105750U54 VCO/buffer
U310 5102478J01 5V voltage regulator,
TK71750S
U320 5185963A55 adjustable voltage regulator w/
reset, LP2986
U330 5102479J01 3V voltage regulator,
TK71730S
Circuit
Ref
Motorola
Part No.
Description