SONY CXJN3
Manual de Servicio

CX-JN3 SECTION 4 TEST MODE
MC COLD RESET � The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the customer. Procedure: 1. In the standby status, while pressing the x button, press the [POWER] button. 2. The set is reset, then becomes standby status. GC TEST MODE Procedure: 1. Press the [POWER] button to turn the power on. 2. While pressing the x button, press the [POWER] button for 5 seconds. 3. It change displays in order of model type, version and suffix at 2 seconds interval, then the display is back to normal status. AMP TEST MODE Procedure: 1. In the status where AC plug is disconnected, while pressing the [VIDEO/AUX] button, connect the AC plug to turn the power on. Then enter the AMP test mode and display �AMP TEST�. 2. If turn the [VOLUME] knob clockwise, it displays �VOLUME MAX�, and if turn the knob counterclockwise, it displays �VOLUME 0�. 3. If the [TREBLE] and [BASS] knobs are turned clockwise or counterclockwise, it change displays in order of �EQ MAX�, �EQ MIN� and �EQ FLAT�. 4. To release from this mode, disconnect the AC plug and turn the power off. DISC TRAY LOCK Procedure: 1. Press the [POWER] button to turn the power on. 2. While pressing the x button, press the [ Z OPEN/CLOSE] button for 5 seconds. 3. The message �LOCKED� is displayed and the tray is locked. (Even if exiting from this mode, the tray is still locked) 4. To release this lock, while pressing the x button, press the [ Z OPEN/CLOSE] button for 5 again. 5. The message �UNLOCKED� is displayed and the tray is unlocked. CD REPEAT 5 LIMIT CANCEL MODE � Number of repeat for CD playback is 5 times when the repeat mode is �REPEAT�. This mode enables CD to repeat playback for limitless times. Procedure: 1. Press the [POWER] button to turn the power on. 2. In the repeat on status, while pressing the x button, press the [CD] button to enter the CD repeat 5 limit cancel mode and repeat mark blinks on the fluorescent indicator tube. 3. To release this mode, press the [POWER] button to turn the power off. CHANGE-OVER OF AM TUNER STEP BETWEEN 9 kHz AND 10 kHz (Except AEP, UK and CIS models) � A step of AM channels can be changed over between 9 kHz and 10 kHz. Procedure: 1. Press the [POWER] button to turn the power on. 2. While pressing the [TUNER] button, press the [POWER] button to the display on fluorescent indicator tube changes to �AM 530 kHz� (10 kHz step) or �AM 531 kHz� (9 kHz step), and thus the channel step is changed over. FUNCTION CHANGE MODE � Select either TV, VIDEO or AUX (MD) of the external function input. Procedure: 1. Press the [POWER] button to turn the power on. 2. While pressing the [VIDEO/AUX] button, press the [POWER] button. 3. Each time this operation is operated, it change displays in order of �TV�, �VIDEO� and �AUX�.

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