SONY HCDDP800AV
Service Manual

SECTION 3 TEST MODE
[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 , DISPLAY , and DISC 1 simultaneously. 2. The fluorescent indicator tube becomes blank instantaneously, and the set is reset. [Tuner Step Change] (Except for European and Middle Eastern models) � 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 �AM�. 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 and VACS. Procedure: 1. Press three buttons x , DISPLAY , and DISC 2 simultaneously. 2. LEDs and fluorescent indicator tube are all turned on. 3. When you want to enter the software version display mode, press DISC 1 .The model number and destination are displayed. 4. Each time DISC 1 is pressed, the display changes stating from MC version, GC version, CD version, CDD, CDM, MD version BD, ST version, TA version, TM version, TC version, in this order, and returns to the model number and destination display. 5. When DISC 3 is pressed while the version numbers are being displayed except model number and destination, year, month and day of the software creation appear. When DISC 3 is pressed again, the display returns to the software version display. When DISC 1 is pressed while year, month and day of the software creation are being displayed, the year, month and day of creation of the software versions are displayed in the same order of version display. 6. Press DISC 2 button, and the key check mode is activated. 7. In the key check mode, the fluorescent indicator tube displays �KOJOVO�. Each time a button is pressed, �KEY� value increases. However, once a button is pressed, _it is no longer taken into account. �VOL� value increases like 1, 2, 3...if rotating VOLUME knob in �+� direction, or it decreases like 0, 9, 8...if rotating in �_�direction. 8. Also when DISC 3 is pressed after lighting of all LEDs and FL tubes, value of VACS appears. 9. To exit from this mode, press three buttons in the same manner as step 1, or disconnect the power cord. [MC Test Mode] � This mode is used to check operations of the respective sections of Amplifier, Tuner, and Tape. Procedure: � To enter MC Test Mode 1. Press the `/1 button to turn on the set. 2. Press the three buttons of x , DISPLAY and DISC 3 simultaneously.

HCD-DP800AV

3. Cursor segment flash on the FL display tube. The input FUNCTION is changed to GAME.

* Check of Amplifier Initial settings: Input , GAME EQ , FLAT Mode , MUSIC VA CS , OFF Output channel switching: MUSIC key: L ,L R , R through MOVIE key: L , SL R , SR through GAME key:L , L, SL, C R , R, SR, SW through TOOL MODE key: L , C R , SW through 1. When the VOLUME control knob is turned clockwise even slightly, the sound volume increases to is maximum and a message �VOLUME MAX� appears for two seconds, then the display returns to the original display. 2. When the VOLUME control knob is tuned counter-clockwise even slightly, the sound volume decreases to its minimum and a message �VOLUME MIN� appears for two seconds, then the display returns to the original display. * Tuner function 1. In the test mode, the default-preset channel is called even when the TUNER is selected and an attempt is made to call the preset channel that has been stored in memory. (It means that the memory is cleared.) 2. The minimum, center and maximum frequency of each band is set then. * Tape recording test 1. To enter the MC Test Mode. 2. Load tapes in both tape decks A and B. 3. Press the REC button to start recording. 4. Pressing the M , m buttons during recording returns the tape to the recording start position and stops it at this position. 5. Pressing the �High Speed Dubbing� key while playing back the tape of deck B switches the playback speed between �Normal Speed� and �High Speed�. Note: When the playback direction of the tape is set to other than �ONY WAY�, the restriction on the number of times playback which can be repeated will be cleared. * AMS Test Mode 1. Set TAPE function 2. Select the desired loop by pressing the PLAY MODE button. Insert a test tape AMS-110A or AMS-120 to Deck A. 3. Press the SPECTRUM or KARAOKE PON button to enter the AMS test mode. 4. After a tape is rewound first, the FF AMS is checked, and the mechanism is shut off after detecting the AMS signal the AMS signal twice. 5. Then the REW AMS is checked and the mechanism is shut off after detecting the AMS signal twice. 6. When the check is complete, a message of either OK or NG appears. * To return to normal mode again. 1. When you want to exit this mode, press the `/1 button. 2. The cold reset is enforced at the same time.

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