Kenwood KDC-M4524 Service Manual

Also see for KDC-M4524: Instruction manual Instruction manual Service manual

Contents

6MICROCOMPUTER’S TERMINAL DESCRIPTIONTruth table 1PS1-0 PS1-1 PS1-2 AUDIO P-CON P-ANTL L L OFF OFF OFFH(L) L(H) L ON OFF OFFH H L ON ON OFFH H H ON ON ONTruth table 2PS2-0 PS2-1 ILLUMI FM+B AM+BL L OFF OFF OFFH (L) L (H) ON ON OFFH H ON OFF ONTruth table 3MOSW LO/EJ CD mechanism operationL H LoadH H Eject- L Lo/Ej invalid truthHi-Z H BrakeTruth table 4 (destination setting)destination portsmodel destination TYPE2 TYPE1 TYPE0KDC-MP222 K - 0 0KDC-MP4023 M (E) - 0 1KDC-M4524/G/Y/GY E/E2 - 1 01. How to enter the test modeWhile holding the Preset 1 and Preset 3 keys, reset theunit.2. How to exit from the test modeReset the unit, ACC OFF, power OFF and Panel detached.(Note) The test mode cannot be terminated by momen-tary power down.3. Initial status in the test mode• Sources : ALL OFF• Display : All segments are lit.• Volume : -10 dB (displayed as "30")• Loudness : OFF• CRSC : OFF regardless of the presence ofswitching function.• SYSTEM Q : Flat• BEEP : When pressing any keys, the buzzergenerates a beep at any time.• SYSTEM Q MENU : OFF4. Special display in Tuner modeWhen any of the following messages is displayed in Tunermode, the F/E may be abnormal.• "TNE2P NG" : The EEPROM is set to the default (un-stable values) because the F/E was shipped withoutpassing through the adjustment process, etc.• "TNCON NG" : Communication with the F/E is not pos-sible.TEST MODEKDC-M4524/G/Y/GY