I 5OMHz ALL MODE TRANSCEIVER0 1994-1 P R I N T E D I N J A P A N8 5 1 -8252-00 ( 0 )1 0 9 5t-Knob (Power) Microphone(K29-4811-04) (T91-0528-051SERVICE MANUALPhone jack Panel(Ell-0454-05) (A62-0296-03) 1 Knob (MHz) Knob (UP)(K29-4813-04) lK29-4815-041Knob (F. LOCK) Knob (DOWN1 1 Knob(K29-4812-04) lK29-4814-04) (K29-4817-04) x 3Knob IAFIRIT) Knob(K29-4809-04) x 2 (K29-4816-04) x 61Knob Knob (SOUIF SHIFT) Knob (MAIN) KnoblK29-4817-04) x 3 (K29-4810-04) x 2 (K21-0793-041 (K29-4818-04) x 2CONTENTSCIRCUIT DESCRIPTION ........................................... 2SEMICONDUCTOR DATA ..................................... 21DESCRIPTION OF COMPONENTS ....................... 25PARTS LIST ............................................................ 3.0EXPLODED VIEW ................................................ 61PACKING 64ADJUSTMENT ....................................................... 65TERMINAL FUNCTION .......................................... 83CIRCUIT DIAGRAMS IPC BOARD VIEWSLCD ASSY (838-0719-15) .................................. 86FINAL UNIT (X45-3490-00) ............................... 89DIGITAL UNIT (X46-318X-XX) .......................... 93PLL UNlT 1x50-3200-00) ...................................97rDDS (X58-4020-00) ............................................ 99VCO 1x58-4120-00)..........................................100IF UNlT 1x48-3110-00)..................................... 104ALC (X59-3990-00) .......................................... 104TX-RX UNlT (X57-4570-00) ............................. 105DSST (X59-4000-00) ........................................ 109SCHEMATIC DIAGRAM ....................................... 115BLOCK DIAGRAM ............................................ 117MB-13 (MOUNTING BRACKET) .......................... 119PG-2Y (DC CABLE) ............................................ 119MC-47 (MULTI FUNCTION MICROPHONE) ....... 120SPECIFICATIONS ................................................. 121