From inside (document excerpt):
DJ-180 DJ-1400 CONTENTS SPECIFICATIONS 1) General 2) Transmitter. 3) Receiver 4) Functions for Each Version CIRCUIT DESCRIPTION 1) Receiver System 2) PLL VCO Circuit. 3) Transmitter System 4) DTMF Encoder Circuit (option). 5) Tone Squelch Circuit (option) 6) Microprocessor and Peripheral Circuit 7) Terminal Function of Microprocessor SEMICONDUCTOR DATA 1) LR408721 2) M5218FP 3) M5236ML. 4) MB1504LPF 5) MC3357 6) MX365 7) NJM386 8) RH5VA32AA.
9) RH5VA45AA. 10) X24C01A 11) X24C04S14 12) X24C16S14 13) Transistor, Diode and LED Outline Draw 14) LCD Connection. EXPLODED VIEW 1) Rear Case 1 2) LCD 3) Rear Case 2 4) Front Case 1 5) Front Case 2 6) Front Case 3 and Battery Terminal 7) Ten Key Cover and Key Pad Panel 8) CTCSS Unit and ROM1 Unit Service Manual PC BOARD VIEW 1) VCO Unit 2) JACK Unit 3) PTT Unit Side B 4) PS Unit 5) ROM1 Unit Side B 6) ROM2 Unit Side B 7) RF Unit Side A 8) RF Unit Side B 9) CPU Unit Side A. 10) CPU Unit Side B 11) RE Unit 12) CTCSS UniL 13) DTMF Unit. PARTS LAST CPU unit PS unit. ROM1 Unit DTMF Unit RF Unit Vco unit CTCSS Unit PTT SW Unit JACK Unit RE Unit Others ROM2 Unit. PACKING Parts Table for Each Version. ADJUSTMENT 1) Required Test Equipment. 2) Before Adjustment 3) Adjustment for DJ180, DJ1400 4) Adjustment for DJ1400AN/QN 5) Adjustment Quick Reference 6) Adjustment Points. CIRCUIT DIAGRAM BLOCK DIAGRAM ALINCO INCORPORATED TWIN 21 M.I.D. TOWER BUILDING 23F, 1-61, 2-CHOME, SHIROMI CHUO-KU , OSAKA, 540-8580 JAPAN Tel (81)6-6946-8150 fax (81)6-6946-8175 e-mail: export@alinco.co.jp SPECIFICATIONS DJ-180 1) General Frequency Coverage: RX: 137.000 173.995MHz (T, TM version) TX: 144.000 147.995MHz (T, TM version) RX: 137.000 173.995MHz (TA, TB, TA2, TB2 version) TX: 137.000 173.995MHz (TA, TB, TA2, TB2 version) RX/TX: 144.000 145.9