GP300 1 bmp

C31

NU

NOTES:

1.    UNLESS OTHERWtSE INDICATED. RESISTOR VALUES ARE IN OHMS. CAPACITOR VALUES ARE IN PICOFARADS, INDUCTOR VALUES ARE IN MICROHENRIES.

2.    NON —POLARIZEO CAPACITORS ARE CHIP-TYPE UNLESS OTHERWISE INDICATED.

3.    POLARIZEO CAPACITORS ARE CHIP-TANTALUM TYPE UNLESS OTHERWISE INDICATED.

4.    "NU" MEANS COMPONENT IS NOT USEO.

5.    DC VOLTACES ARE MEASURED WITH A HIGH IMPEOANCE (10 MEGOHM) DC VOLTMETER.

6.    AC VOLTAGES ARE MEASURED WITH A HIGH IMPEDANCE AC RMS VOLTMETER,

7.    ALL VOLTAGE MEASUREMENTS ARE IN THE RECEIVE MODĘ UNLESS INDICATED AS FOU.OWS:

(R) RECEIVE MODĘ (T) TRANSMIT MODĘ

8.    MEASURED IN THE RECEIVE MODĘ WITH AN ON-CHANNEL UNMODULATEO SIGNAL AT A LEVEL OF -20 D8M.

9.    MEASURED IN THE RECEIVE MODĘ WITH AN ON-CHANNEL SIGNAL AT A LEVEL OF -20 DBM, MODULATED WITH 1 KHZ AT 3 KHZ DEYIATION (FOR 20/25 KHZ MOOELS) OR 1.5 KHZ DEVIATION (FOR 12.5 KHZ MODELS). MEASURED WITH AN AC RMS VOLTMETER.

10,    SAME AS NOTĘ 8 EXCEPT WITH YOLUME CONTROL ADJUSTED FOR 500 MILUWATTS (2.82 VOLTS RMS ACROSS 16-OHM LOAD CONNECTED TO THE EXT SPKR JACK).

11.    MEASURED IN THE TRANSMIT MODĘ WITH A 1 KHZ. 11 MY RMS SIGNAL APPLIED TO THE EXTERNAL MICROPHONE INPUT.

CR51    CR201.CR202    CR401

CR402.CR403 CR404.CR406

E3) m

CR203.CR252    CR 101.CR 102    ® ³

CR253.CR255    CR405    DS401

E2C=		=JC2	1 C=Z
B2 =		=□81	2 =
C1 =		=DE1	3 CU

U410    U411

RPD-91101-B

Schematic Diagram for HLD9675C and HLD9677C VHF Main Boards, 146-174 MHz (sheet 1 of2)