Motorola GM328

Controller T7/T9 Schematic Diagrams 3-25
* Motorola Depot Servicing only Reference designators with an asterisk indicate components which are not field replaceable 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.
R0529 0662057A89 47K Ohm
R0530 0662057B47 0 Ohm
R0531 0662057A43 560 Ohm
R0533 0662057B47 0 Ohm
R0535 0662057A49 1000 Ohm
R0537 0662057A33 220 Ohm
R0538 0662057A33 220 Ohm
R0539 0662057A65 4700 Ohm
R0541 0662057A83 27K Ohm
R0543 0662057A97 100K Ohm
R0555 0662057A25 100 Ohm
R0556 0662057A25 100 Ohm
R0591 0662057A82 24K Ohm
R0592 0662057A01 10 Ohm
R0593 0662057A97 100K Ohm
R0611 0662057A91 56K Ohm
R0612 0662057A65 4700 Ohm
R0621 0662057A82 24K Ohm
R0641 0662057A73 10K Ohm
R0642 0660076E70 7500 Ohm
R0643 0660076E51 1200 Ohm
R0651 0662057A01 10 Ohm
R0652 0662057A01 10 Ohm
R0661 0662057A49 1000 Ohm
R0662 0662057B02 150K Ohm
R0671 0662057A84 30K Ohm
R0672 0662057A73 10K Ohm
R0681 0662057A79 18K Ohm
R0682 0662057A93 68K Ohm
U0101 5102226J56 MICROPROCESSOR
U0111 5102463J64 EEPROM
U0121 5186137B01 IC, FLASH ROM
Circuit
Ref
Motorola
Part No
Description
U0122 5185748L01 SRAM
U0141 5113805A30 IC 10F8 DCDR/REMUX
74HC138
U0211 5183222M49 IC, QUAD OPAMP
U0221 5185130C53 IC, ASFIC
U0251 5184704M60 IC-CMOS ANALOG
U0271 5109699X01 AUDIO PA
U0301 5109152M01 IC, EEPROM ANALOG
U0331 5186204B01 IC, BUFFER DRIVER
U0341 5113818A01 LOW POWER SUPPLY
U0342 5105750U28 IC CMOS SWITCH
U0351 5102463J40 REGULATOR, 3.3V
U0611 5183308X01 ADJUSTABLE VOLTAGE
REGULATOR
U0641 5183308X01 ADJUSTABLE VOLTAGE
REGULATOR
U0651 5113816A07 REGULATOR, 5V
U0652 5113815A02 UNDERVOLT SENSOR
VR0151 4813830A15 DIODE, 5.6V
VR0501 4805656W09 DIODE, ZENER
VR0503 4805656W09 DIODE, ZENER
VR0504 4813830A40 DIODE, ZENER
VR0505 4805656W09 DIODE, ZENER
VR0509 4813830A40 DIODE, ZENER
VR0510 4813830A40 DIODE, ZENER
VR0537 4813830A15 DIODE, 5.6V
VR0541 4813830A27 DIODE, 14V
VR0601 4813832C77 DIODE
VR0621 4813830A15 DIODE, 5.6V
Y0131 4880113R19 CRYSTAL 38.4KHZ
Circuit
Ref
Motorola
Part No
Description