Motorola Commercial Series Informazioni sul servizio - Pagina 48
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4-16
Circuit
Motorola
Description
Ref
Part No.
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
0186438Z01
transmitter PA module,
RA07M1317M_VHF
U150
5113818A01
dual op amp, LM2904
U151
2484657R01
bead, 57R01
U201*
5185963A27
frequency synthesizer, 63A27
U251
5105750U54
VCO/buffer, 50U54
U310
5102478J01
5 V voltage regulator,
TK71750S
U320
5185963A55
adjustable voltage regulator w/
reset, LP2986
U330
5102479J01
3 V voltage regulator,
TK71730S
U403
Not_Placed
SRM2B256
U425
5162852A09
LOW PWR OP AMP W/RAIL
TO RAIL
U451
5185130C53
audio filter (ASFIC.cmp),
30C53
U480
Not_Placed
LM2904
U490
5108858K99
audio power amplifier,
TDA8541
U510
5113818A01
dual op amp, LM2904
U511
4802245J54
dual digital NPN, UMG5
U401*
5102226J56
microprocessor,
MC68HC11FL0
U402*
5102463J64
serial EEPROM 16Kx8,
X25128-2.7
Circuit
Motorola
Description
Ref
Part No.
U404*
5102480J01
Flash ROM 128Kx8,
AT49LV001N_70VI
VR110
4813830A82
zener diode, 4.3 V,
MM3Z4V3T1
VR301
4813830A33
zener diode, 20 V,
MMBZ5250B
VR302
4813830A33
zener diode, 20 V,
MMBZ5250B
VR471
4813830A18
zener diode, 6.8 V,
MMBZ5235B
VR472
4813830A09
zener diode, 3.3 V,
MMBZ5226B
VR473
4813830A33
zener diode, 20 V,
MMBZ5250B
VR474
4813830A33
zener diode, 20 V,
MMBZ5250B
VR475
4880140L20
zener diode, 15 V,
MMBZ5245B
Y51
4802245J84
crystal, 44.395 MHz
Y70
9186145B02
ceramic discriminator, 455 kHz,
45B02
Y201*
4880114R06
crystal, 16.8 MHz, 14R06
Y202
Not_Placed
45J68
* Motorola Depot Servicing only
VHF PCB 8486769Z02-A Parts List