SECTION 1 SPECIFICATIONS SECTION 2 INSIDE VIEWS 2-1 WIDE AND NARROW TYPES.............................................................................................................. 2-1 2-2 WIDE/NARROW TYPES........................................................................................................................ 2-2 SECTION 3 DISASSEMBLY AND OPTION INSTALLATIONS 3 -1 DISASSEMBLY INSTRUCTIONS......................................................................................................... 3 - 1 3 - 2 OPTION INSTALLATIONS.................................................................................................................... 3-2 SECTION 4 CIRCUIT DESCRIPTION 4 -1 RECEIVER CIRCUITS.......................................................................................................................... 4 - 1 4-2 TRANSMITTER CIRCUITS.................................................................................................................... 4-2 4-3 PLL CIRCUITS....................................................................................................................................... 4-3 4-4 POWER SUPPLY CIRCUITS................................................................................................................ 4-3 4-5 PORTALLOCATIONS.......................................................................................................................... 4-4 SECTION 5 ADJUSTMENT PROCEDURES 5-1 PREPARATION...................................................................................................................................... 5-1 5-2 PLL AND RECEIVER ADJUSTMENTS................................................................................................. 5-2 5-3 TRANSMITTER ADJUSTMENT............................................................................................................ 5-4 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS AND DISASSEMBLY SECTION 8 SEMI-CONDUCTOR INFORMATION SECTION 9 BOARD LAYOUTS 9 -1 MAIN UNIT (WIDE AND NARROW TYPES)........................................................................................ 9 - 1 9-2 MAIN-A UNIT (WIDE/NARROWTYPES)............................................................................................. 9-3 9-3 PA, EF AND TENKEY UNITS................................................................................................................ 9 - 5 SECTION 10 OPTIONAL UNITS 10-1 UT-80 2-TONE DECODER UNIT........................................................................................................ 10-1 10-2 UT-100 MAN DOWN UNIT................................................................................................................... 10-2 SECTION 11 BLOCK DIAGRAM SECTION 12 VOLTAGE