Motorola HT Series Detailed Service Manual page 229

UHF Band 1 Circuit Board/Schematic Diagrams and Parts List (PCB 8486458Z02)
Circuit Motorola Part
Description
Ref No.
R305 0662057M67 510
R306 0662057N23 100k
R307 0662057N23 100k
R308 0662057M43 51
R309 0662057M01 0
R310 NOT PLACED -
R311 0662057N11 33k
R312 0662057M90 4.7K
R313 0662057M62 330
R314 0662057M79 1600
R315 0662057N01 12k
R320 NOT PLACED -
R321 0662057N13 39K
R322 0662057M74 1000
R324 0662057N06 20K
R328 0662057M01 0
R329 0662057M01 0
R330 0662057M98 10K
R331 0662057M57 200
R332 0662057N01 12K
R333 NOT PLACED -
R339 0662057M89 4.3K
R340 0662057M95 7.5K
R342 0662057N23 100k
R344 0662057M43 51
R345 0662057N13 39k
R346 0662057N03 15k
R348 0662057M87 3600
R349 0662057C01 0
R350 0662057M86 3300
R355 0662057N23 100k
R358 0662057M83 2400
R359 NOT PLACED -
R360 0662057N06 20k
R361 0662057N06 20k
R363 0662057M64 390
R364 0662057M80 1800
R365 0662057M76 1200
R366 0662057N01 12k
R367 0662057V04 12k
R368 0662057V02 10k
R369 0662057M70 680
R370 0662057M01 0
R371 NOT PLACED -
R372 NOT PLACED -
R373 NOT PLACED -
R374 NOT PLACED -
R375 NOT PLACED -
R376 NOT PLACED -
R377 NOT PLACED -
R378 NOT PLACED -
R400 0662057N15 47k
R401 0662057M01 0
R402 NOT PLACED -
R403 NOT PLACED -
R405 0662057M01 0
Circuit Motorola Part
Description
Ref No.
R406 0662057N20 75k
R407 0662057N19 68k
R408 NOT PLACED -
R409 0662057M98 10k
R410 0662057N23 100k
R411 0662057M98 10k
R413 0662057M01 0
R414 0662057V34 180k
R415 0662057V26 91k
R416 0662057M98 10k
R418 0662057M01 0
R419 0662057M67 510
R420 0662057B46 10M
R421 0662057M81 2000
R423 0662057N39 470k
R424 0662057N12 36k
R425 0662057N10 30k
R426 0662057N35 330k
R427 0662057M84 2700
R428 0662057M10 2.2
R429 0662057N20 75k
R431 0662057N39 470k
R432 0662057N16 51k
R434 0662057M62 330
R435 0662057M81 2000
R436 0662057M01 0
R437 NOT PLACED -
R445 0662057N08 24k
R447 0662057N23 100k
R448 0662057M98 10k
R449 0662057N08 24k
R450 0683962T45 68 ohms, 1W
R451 0662057N03 15k
R452 0662057N23 100k
R453 NOT PLACED -
R454 NOT PLACED -
R455 NOT PLACED -
R456 0662057M01 0
R457 0662057M98 10k
R460 0662057M90 4700
R461 0662057M56 180
R462 0662057M98 10k
R463 0662057M61 300
R471 0662057N06 20k
R472 0662057N12 36k
R473 0662057M26 10
R475 0662057M01 0
R476 0662057N35 330k
R477 0662057M74 1000
R478 0662057M98 10k
R481 0662057N08 24k
R492 0662057M01 0
R498 0662057M98 10k
R499 0662057M98 10k
R501 0662057M70 680
R502 0662057M56 180
Circuit Motorola Part
Description
Ref No.
R505 0662057M98 10k
R506 0662057N15 47k
R507 0662057M01 0
RT400 0680590Z01 THERMISTOR_33K
S501 4080710Z09 Switch
S502 1880619Z02 Volume/on-off switch
SH100 2680507Z01 Harmonic Filter shield
SH101 2680510Z01 RF PA shield
SH201 2680511Z01 Synthesizer top shield
SH202 2680511Z01 Synthesizer bottom shield
SH241 2680513Z01 Resonators shield
SH242 2680514Z01 VCO Buffer IC shield
SH301 2686583Z01 Receiver front-end shield
SH302 2680555Z01 Receiver front-end bottom shield
SH303 2680509Z01 Mixer shield
SH304 2680624Z01 Mixer diode shield
SH322 2686528Z01 IF section shield
SH323 2686527Z01 Crystal Filter shield
SH400 2680505Z01 Controller Memory Shield
SH401 2680506Z01 Controller on-off shield
SH402 2680515Z01 Microprocessor shield
SH403 2680516Z01 Asfic_Cmp/Audio PA shield
T301 2580541Z02 Balun transformer (new)
T302 2580541Z02 Balun transformer (new)
U101 5185130C65 VHF/UHF/800 MHZ LDMOS
DRIVER
U102 5185765B26 IC PWR CTRL IN MOS20
U201 5185130C18 IC LV FRAC-N IN 48-PIN TQFP PA
U210 5102463J61 Inverter
U211 5102463J61 Inverter
U241 5105750U54 VCO BUFFER IC
U247 5105739X05 SOT 5V Regulator
U248 5102463J58 3.3V Regulator
U301 5186144B01 FM IFIC SA616
U302 5109522E10 LMOS Inverter
U303 NOT PLACED -
U400 5102463J40 3.3V Regulator
U404 5185130C53 IC ASFIC_CMP_R1
U405 NOT PLACED -
U406 *5102463J59 Flash ROM 128K x 8
U407 *5102463J64 16K x 8 EEPROM
U409 5102226J56 Microprocessor
U410 5102463J57 3.3V Regulator
U420 5102463J44 Audio PA
VR432 4805656W08 5.6V Zener
VR433 4805656W08 5.6V Zener
VR434 4802245J73 ZENER DIODE-6.8V
VR439 4880140L17 ZENER DIODE-12V
VR440 4802245J73 ZENER DIODE-6.8V
VR441 4802245J73 ZENER DIODE-6.8V
VR442 4802245J73 ZENER DIODE-6.8V
VR443 4802245J73 ZENER DIODE-6.8V
VR444 4802245J73 ZENER DIODE-6.8V
VR445 4802245J74 ZENER DIODE-10V
VR446 4802245J74 ZENER DIODE-10V
VR447 4802245J74 ZENER DIODE-10V
Circuit Motorola Part
Description
Ref No.
VR448 4802245J74 ZENER DIODE-10V
VR449 4802245J74 ZENER DIODE-10V
VR450 4802245J75 ZENER DIODE-12V
VR460 4802245J73 ZENER DIODE-6.8V
VR501 4813830A18 6.8V ZENER
VR506 4802245J73 ZENER DIODE-6.8V
Y300 4802245J84 Xtal Oscillator 33.395MHz
Y301 9186145B02 455kHz Ceramic Discriminator
1485777Z01 INSULATOR (KAPTON)
8486458Z01 UHF B1 main PC board
* Motorola Depot Servicing only
9-79