SONY HCDDX30
Manual de Servicio

HCD-DX30/RG40 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. Press three buttons x , ENTER , and ?/1 simultaneously. 2. The fluorescent indicator tube displays �COLD RESET� and the set is reset. [CD Ship Mode] � This mode moves the pickup to the position durable to vibration. Use this mode when returning the set to the customer after repair. Procedure: 1. Press 1/u button to turn the set ON until �STANDBY� appears. 2. Press CD button and 1/u button simultaneously. 3. When you releaset he buttons, a message �LOCK� is displayed on the fluorescent indicator tube, and the CD ship mode is set. [MC Hot Reset] � This mode resets the set with the preset data kept stored in the memory. The hot reset mode functions same as if the power cord is plugged in and out. Procedure: 1. Press three buttons x , ENTER , and DISPLAY simultaneously. 2. The fluorescent indicator tube becomes blank instantaneously, and the set is reset. [CD Service Mode] � This mode can run the CD sled motor freely. Use this mode, for instance, when cleaning the pickup. Procedure: 1. Press ?/1 button to turn the set ON. 2. Select the function �CD�. 3. Press three buttons x , ENTER , and OPEN/CLOSE simultaneously. 4. The CD service mode is selected. 5. With the CD in stop status, turn the shuttle knob clockwise to move the pickup to outside track, or turn the shuttle knob counter-clockwise to inside track. 6. To exit from this mode, perform as follows: 1) Move the pickup to the most inside track. 2) Press three buttons in the same manner as step 2.
Note: � Always move the pickup to most inside track when exiting from this mode. Otherwise, a disc will not be unloaded. � Do not run the sled motor excessively, otherwise the gear can be chipped.

[Change-over of AM Tuner Step between 9 kHz and 10 kHz] � A step of AM channels can be changed over between 9 kHz and 10 kHz. Procedure: 1. Press ?/1 button to turn the set ON. 2. Select the function �TUNER�, and press TUNER/BAND button to select the BAND �MW�. 3. Press ?/1 button to turn the set OFF. 4. Press ENTER and ?/1 buttons simultaneously, and the display of fluorescent indicator tube changes to �AM 9 k STEP� or �AM 10 k STEP�, and thus the channel step is changed over. [GC Test Mode] � This mode is used to check the software version, FL tube, LED, keyboard, headphone and volume. Procedure: 1. Press three buttons x , ENTER and DISC 2 simultaneously. 2. LEDs and fluorescent indicator tube are all turned on. 3. When ENTER and DISC2 are pressed at the same time, the key number check mode starts up. In this mode, the key numbers of each key series are displayed. 4. In the key check mode, the fluorescent indicator tube displays �KEY 000�. Each time a button is pressed. 5. When ENTER and DISC2 are pressed at the same time, the key count check mode starts up. In this mode, the message �KEY CNT @@� is displayed on the FL display tube. When each button is pressed, the key row number is incremented first. Then the key value is then incremented. However, one the button is pressed, the key value cannot be counted. 6. When ENTER and DISC2 are pressed at the same time, the headphones check mode starts up. In this mode, the message �H_P ON� is displayed when the headphones are inserted. When the headphones are not inserted. the message �H_P OFF� is displayed. 7. When ENTER and DISC2 are pressed at the same time, the volume check mode starts up. In this mode, the message �VOLUME FLAT� is displayed on the FL display tube. When the volume control knob is rotated in the positive (+) direction, the message �VOLUME UP� is displayed. When the volume control knob is rotated in the negative (-) direction, the message �VOLUME DOWN� is displayed. 8. In order to quit the mode, either press ENTER and DISC2 at the same time or press the three buttons at the same time as in step 1. 9. To exit from this mode, press three buttons in the same manner as step 1, or disconnect the power cord.

13