{"model":"mk3","model_name":"MK3 Supra","vehicle":"Toyota Supra A70 (1986.5–1992, 7M-GE / 7M-GTE)","document":"Repair Manual","section":"BE","section_name":"Body Electrical System","page":101,"pages_in_section":116,"title":"Audio System","section_header":"Body Electrical System — Audio System","ocr_text":"AUDIO SYSTEM\nSystem Description\nAnti-Theft System\n\nThe anti-theft system is only provided for audio systems equipped with an Acoustic Flavor function.\n\nHINT: The words \"ANTI-THEFT SYSTEM\" are displayed on the cassette tape slot cover.\n\nFor operation instructions for the anti-theft system, please consult the audio system section in the Owner's Manual (hereafter called O/M).\n\n1. SETTING SYSTEM\n\nThe system is in operation once the customer has pushed the required buttons and entered the customer-selected 3-digit ID number.\n\n(Refer to the O/M section, \"Setting the anti-theft system\")\n\nHINT:\n• When the audio system is shipped the ID number has not been input, so the anti-theft system is not in operation.\n• If the ID number has not been input, the audio system remains the same as a normal audio system.\n\n2. ANTI-THEFT SYSTEM OPERATION\n\nIf the normal electrical power source (connector or battery terminal) is cut off, the audio system becomes inoperable, even if the power supply resumes.\n\n3. CANCELLING SYSTEM\n\nThe ID number chosen by the customer is input to cancel the anti-theft system.\n\n(Refer to the O/M section, \"If the system is activated\")\n\nHINT: To change or cancel the ID number, please refer to the O/M section, \"Cancelling the system\".\n\nTroubleshooting\n\nHINT: For audio systems with anti-theft system, troubleshooting items marked (*) indicate that \"Troubleshooting for ANTI-THEFT SYSTEM\" should be carried out first.\n\nNo. | Problem\n1. | DEAD RADIO AND TAPE PLAYER | *(a) No power to radio or tape player, or power but no sound.\n                                | (b) Tape player okay but no sound from AM and FM or either one.\n                                | (c) No sound from one speaker.\n2. | FAINT RECEPTION | —\n3. | BAD SOUND QUALITY | (a) Sound quality bad when radio played.\n                        | (b) Sound quality bad when tape player played.\n4. | DEFECTIVE AUTO-SEARCH MECHANISM | —\n   | Troubleshooting for CD player | See page 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