★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.★ Components having special characteristics are marked and must be replacedwith parts having specifications equal to those originally installed.★ Schematic diagram is subject to change without notice.A12345678910B C D E F G H I J K L M N67MAIN 2/4R-840/NS-BP300IC402CB401CB403CB402W4014.614.28.3014.2-15.0-15.0-15.0-8.18.314.208.37.100-8.1-6.9-15.04.6002.6-6.907.114.2AC2.9AC23.1IC402: NJM2388F33Low dropout voltage regulator with ON/OFF controlON/OFFcontrolOver VoltageProtectionBandgapReferenceVIN 143ContGNDVOUTOver CurrentProtectionThermalProtection2MAIN (7)MAIN (2)REGULATORto FUNCTION (1)_CB106(A, B models)Page 65 I2to MAIN (1)_W501Page 66 F2To POWER TRANSFORMERTo POWER TRANSFORMER(A, B models)