Motorola GM328

Controlhead GM398 - PCB 8486178B03 / Schematics 4-19
* 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.
R0972 0662057A73 10k 1/16W 5%
R0973 0662057A73 10k 1/16W 5%
R0974 0662057A73 10k 1/16W 5%
R0975 0660076A01 10 5 1/8
R0976 0660076A01 10 5 1/8
R0977 0660076A01 10 5 1/8
R0978 0660076A01 10 5 1/8
R0991 0660076A35 270 5 1/8
R0992 0660076A35 270 5 1/8
R0993 0660076A35 270 5 1/8
R0995 0662057A89 47k 1/16W 5%
R0996 0662057A89 47k 1/16W 5%
R0997 0662057A89 47k 1/16W 5%
U0861 5105469E65 IC VLTG REGLTR LP2951C
*U0871 5113802A32 68HC11 W/SCI SPI A/D
U0873 4886061B01 CER RESONATOR 8MHZ
U0941 5113818A03 IC HIGH PERFORMANCE SI
U0942 5113818A03 IC HIGH PERFORMANCE SI VR0812
4813830A15 DIODE 5.6V 5% 225mW
VR0813
4805656W09 ZENER QUAD MMQA20VT1
VR0814
4805656W09 ZENER QUAD MMQA20VT1
VR0851
4813830A23 DIODE 10V 5% 20mA 350mW
VR0855
4813830A15 DIODE 5.6V 5% 225mW
Circuit
Ref
Motorola
Part No
Description