DSP SERIAL Serial communication is unusual between CPU (CDJ-1960) and DSP (CMN-1960). (a) Check the cable connection between CDJ-1960 (J2/J3) and CMN-1960 (J23/J22). (b) Check the cable connection between CAH-1960 (J9) and CMN-1960 (J21). NO ATU Serial communication is unusual between JSB-196GM and NAH-692/695/698. (a) Check the cable connection between JSB-196GM and NAH-692/695/698. (b) Check the cable connection between CDJ-1960 (J1) and CAH-1960 (J8). (c) Check the cable connection between CDJ-2692 (J2) and CBG-2692 (J5). (d) Check the cable connection between CBG-2692 (J8) and CHASSIS. (e) Check the I/F-circuit on the CAH-1960. (PHT1, 2, 3, T20 etc.) (f) Check the I/F-circuit on the CBG-2962. (PHT26, 27, 28 etc.) NAH-NFC SERIAL Serial communication is unusual between NAH-692/695/698 and NFC296/896. (a) Check the cable connection between NAH-692/695/698, NQD-4190 and NFC-296/896. (b) Check the cable connection between CDJ-1960 (J1) and CAH-1960 (J8). (c) Check the I/F-circuit on the CBG-2962. (PHT23, 24, 25 etc.) (d) Check the I/F-circuit on the CDJ-2960. (PHT1, 2, 3 etc.) CMN-1960 TRX UNIT RX circuit is unusual or Exciter output is insufficient. (a) Check the cable connection between CDJ-1960 (J2/J3) and CMN-1960 (J23/J22). (b) Check the cable connection between CAH-1960 (J8) and CMN-1960 (J21). CAH-1960 PA UNIT RF output of CAH-1960 is less than 5W at the time of the NFC check 1. (a) Check the cable connection between CDJ-1960 (J1) and CAH-1960 (J8). (b) Check the cable connection between CAH-1960 (J1) and CMN-1960 (J12). (c) Check the RF-Transistor (TR3-TR9). (d) Check the LPF circuit. (C50-C140, K10-K21 etc.) BATTERY The battery voltage when turning off a charger is less than 20V. Check the Battery voltage. BATTERY OUT The electric discharge current of a battery is more than 10A at the time of AC operation Check DC current of external unit. (VHF, GPS, Lamp etc.) NAH CHARGER The output voltage of the battery charger is less than 24V. Check the charge voltage setting (CBG-2692 RV1, RV2). (Refer to 4.2.2) NAH PA 80V PA80V power supply of NAH is less than 70V or more than 90V. (a) Check the cable connection between CBG-2692 (TB19/TB20) and CMC-2692/2695/ 2698(TB1/TB2). (b) Check the 80V setting (CBG-2692 RV3). NAH ARRESTOR The voltage of a serge Suppressor circuit is as follows. JSS-296: Less than 150V or more than 250V. JSS-596: Less than 250V or more than 350V. JSS-596: Less than 300V or more than 400V. (a) Check the cable connection between CBG-2692 (TB19/TB20) and CMC-2692/2695/2698 (TB1/TB2). (b) Check the 80V setting (CBG-2692 RV3). NAH PA(A) TR NAH PA(B) TR NAH PA(C) TR Transistor bias current is less than 1.5A or more than 2.9A. (a) Check the cable connection between CAH-2692 (TB1) and CMC-2692/2695/ 2698 (TB3/TB103/TB203). (b) Check the RF-Transistor (CAH-2692 TR1-TR4). NFC DUMMY OR L-RELAY NFC check 1 : OK NFC check 2 : RF input level : OK SWR : NG (a) Check the resistance of the dummy load. (CFG-296/896 R4) (b) Check the relay. CFG-296:K20-K35, K52, K53, K60,