ALNICO HAM RADIO VHF BASE – DR 130 – SCHEMATIC & ADJUSTMENTS

DR 130 - ALNICO VHF BASE (HAM RADIO) _ SCHEMATIC & ADJUSTMENTS _ EXPLODED VIEW

ICs USED: M37410M6H_AT24C08_AK3241_BU4052BF TX10487M_M67781L(TE1) _ M67781L(TE2)_UPC1241H_M56760FP [MAIN UNIT TE1 & TE2]

 {T / E / EZ / EA / TA} _ TK10487M_S-AV17_UPC1241H_M56760FP

CPU UNIT

MAIN UNIT

EXPLODED VIEW

ADJUSTMENTS

SSG Mod:1KHz +/-3.5KHz/DEV

SP terminal is connected to 8ohm dummy load.

RX speaker output level is 50 to 100Mw

*1 or bond-centre of your radio version

*2 or bond lower limit of your radio version

*3 or bond upper limit of your radio version

*1 or bond-center of your radio version

*2 or bond lower limit of your radio version

*3 or bond upper limit of your radio version

If the logic boad EJ-21D or EJ21D exists, first pull out the logic board and re-connect W3,W4,W5, so that the radio comes back to conventional.
ADJUSTMENT POINTS