4-22 UHF 25-40W PCB 8480643Z06 / Schematic
* Motorola Depot Servicing only
Reference designators with an asterisk indicate
components which are not fieldreplaceable
because they need to be calibrated with
specialized factory equipment after installation.
Radios in which these parts have been replaced in
the field will be off frequency at temperature
extremes.
R4483 0662057A97 100K
R4484 0662057A93 68K
R4485 0662057C53 120
R4486 0662057C53 120
R4487 0662057A97 100K
R4488 0662057A59 2700
R4491 0662057A74 11K
R4492 0662057A73 10K
R4495 0680195M18 51
R4496 0680194M23 82
R4497 0680195M18 51
R4501 0662057A67 5600
R4502 0662057A93 68K
R4503 0662057A63 3900
R4504 0662057A73 10K
R4506 0662057A73 10K
R4507 0662057A73 10K
R4511 0680194M18 51
R4512 0662057A41 470
R4513 0662057A73 10K
R4514 0662057A61 3300
R4600 0662057C19 4.7
R4601 0662057C19 4.7
R4602 0662057C19 4.7
R4631 0662057A49 1000
R4632 0662057A82 24K
SH4301 2602641Y02 SHIELD
SH4302 2602641Y02 SHIELD
T4051 2505515V03 XFMR MIXER 4:1
T4052 2505515V04 XMFR MIXER 5:1
U3101 5186144B01 IC, IF
U3111 5102463J52 QUAD ANALOG SWITCH
U3115 5102463J52 QUAD ANALOG SWITCH
U4201 5185963A27 IC FRACTN
U4211 5185963A33 IC, VOLTAGE REGULATOR
U4301 5105750U54 IC, VCO
U4401 5105109Z67 IC LDMOS DRIVER
U4501 5185765B28 IC POWER CONTROL
U4502 5185963A15 IC TEMPERATURE SENSOR
VR4471 4813830A15 DIODE, 5.6V
VR4473 4813830A15 DIODE, 5.6V
Y3101 4880606B09 2ND OSC XTAL 44.395 MHZ
fundamental xtal
Y3101 4802245J84 2ND OSC XTAL 44.395 MHZ
3rd overtone xtal
Y3102 9186145B02 455KHz DISCRIMINATOR
Y4262 4886182B01 TCXO 16.8MHZ
Circuit
Ref
Motorola
Part No
Description