AM-7223 (3CX-800) Operation manual. - F1FRV

Jul 23, 1985 - TECHNICAL MANUAL. OPERATION AND MAINTENANCE ... AM7223/URC, P/N 10086-0000. MAY 16 2011. 07-3 swo. BASIC AND ALL ...
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IF 208 V INSTEAD OF 230 V ONLY HIGH VOLTAGE IS INCREASED

Modify primary voltage from 230 to 208 VAC see operation manual pages 37 & 38 Measurements with power supply 222 VAC 50 Hz at F1FRVs shack in january 2013 Switches in position 230 VAC Primary power 96% 13.5 VDC 13.5 DC plate Volts 1825 Ik mA 56 Switches in position 208 VAC Primary power 96% 13.5 VDC 13.5 DC plate Volts 2060 Ik mA 63 THIS IS AN INTERESTING WAY TO IMPROVE AMP PERFORMANCES Thats all Fox !!!!!!

AUTO

RF MUTE

AGC VERS LE TX

SECURITE EN CAS DE PB DOIT COUPER LE TX

CUT EITHER R102 ON A6 BOARD, OR R122 ON A5 BOARD TO VALIDATE THE POWER CONTROL POTENTIOMETER, AND SWR PROTECTION CIRCUIT.

WHEN BANDSWITCH IS MOVING

LPA ON/OFF

NORMAL IF MANUALTUNE SWITCH IS "ON"

MORE FAULT ISOLATION CODES IN SERVICE MANUAL PAGES 22 TO 42

NORMAL IF MANUALTUNE SWITCH IS "ON"

SEE ALSO SERVICE MANUAL PAGE 23

FOR CODE 2-12 SEE SERVICE MANUAL PAGE 33

AUTOTEST WITHOUT ORIGINAL HARRIS TX

Ce code n'est pas une erreur si le TX Harris n'est pas utilisé !!!! Ne pas en tenir compte

USE A WATTMETER TO READ 500 W OUTPUT INSTEAD 158 V ON HP-410

V FWD

V REF

+13.5 V TEMPERATURES TPs

LOOP GAIN CONTROL

MAX PLATE CURRENT ADJUST MAX AM CARRIER ADJUST FULL CW FOR FULL PWR (NOT ADVISED)

COUPLER TUNE PWR MAX POWER ADJUST FUL CW = FULL PWR

R122

BRIDGE BALANCE

FWD VOLTAGE ADJUST 7 V AT 500 W

CAPA HT