Motorola MTS 2000 Especificações descarregar pdf (Página 38)

SCHEMATIC AND CIRCUIT BOARD NOTES

* COMPONENT IS FREQUENCY SENSITIVE. REFER TO

THE ELECTRICAL PARTS LIST FOR VALUE AND

USAGE.

1. UNLESS OTHERWISE STATED, RESISTANCES ARE

IN OHMS (k = 1000), AND CAPACITANCES ARE IN

PICOFARADS (pF) OR MICROFARADS (uF).

2. DC VOLTAGES ARE MEASURED FROM POINT

INDICATED TO CHASSIS GROUND USING A

MOTOROLA DC MULTIMETER OR EQUIVALENT.

TRANSMITTER MEASUREMENTS SHOULD BE MADE

WITH A 1.2 uF CHOKE IN SERIES WITH THE

VOLTAGE PROBE TO PREVENT CIRCUIT LOADING.

3. REFERENCE DESIGNATORS ARE ASSIGNED IN THE

FOLLOWING MANNER:

UNITS SERIES = RECEIVER

100 SERIES = TRANSMITTER

200 SERIES = FREQUENCY GENERATION

300 SERIES = MISCELLANEOUS

400 SERIES = HOUSING/ESCUTCHEON

500 SERIES = DISPLAY

600 SERIES = HEAR CLEAR OPTION

700 SERIES = CONTROLLER

4. INTERCONNECT TIE POINT LEGEND:

5V REG = REGULATED FIVE VOLTS

B+ = BATTERY VOLTAGE (7.5V)

R5 = RECEIVER FIVE VOLTS

T5 = TRANSMITTER FIVE VOLTS

CLK = CLOCK

D = DATA

DAC = DIGITAL TO ANALOG

CONVERTER

DAC RST = DAC RESET

LCK = LOCK

NC = NO CONNECTION

SYN = SYNTHESIZER

VR = VOLTAGE REGULATOR

INSERT DIAGRAMS

(L1) BEPF-24631-O (20% BLK, 133 LINE)

(OL) BEPF-24632-O (100% BLK.)

R.T. 50%

INSERT DIAGRAMS

(L8) BEPF-24633-O (20% BLK., 133 LINE)

(OL) BEPF-24634-O (100% BLK.)

R.T. 50%

MAEPF-18828-A

INSERT SCHEMATIC DIAGRAM

63D81200C31-O (100% BLK.)

(OL) DEPF-24635-O (100% RED)

R.T.

NUD7070A, NUD7070B, NUD7085A, AND NUD7085B VHF TRANSCEIVER BOARDS’

COMPONENT LOCATION DIAGRAMS AND SCHEMATIC DIAGRAM 29

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 65 66

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Motorola MTS 2000 Especificações Página 38

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