SONY HCDF150
Service Manual

2. VOLUME Check Mode The maximum volume is set, and the VOLUME MAX display and the GEQ display are displayed for a moment regardless of the amount of volume rotation. The minimum volume is set, and the VOLUME MIN display and the GEQ display are displayed for a moment regardless of the amount of volume rotation. 3. Deck Check Mode Install a tape to the deck B. Select TAPE B with the FUNCTION button. Recording starts and PAUSE is released when the REC button is pressed. VIDEO is selected by the input FUNCTION. Press the STOP button to stop recording and select TAPE B with the FUNCTION button. Rewind the tape by pressing the REW button and stop at the recording start point. Start playback from the recording start point. 4. High Speed Check Mode-1 Install a tape to the deck A. Select TAPE A with the FUNCTION button. Press the PLAY button then press the HI-SPEED DUBBING button during playback. The normal playback is obtained during normal speed playback and the double speed playback is obtained during the double speed playback. 5. High Speed Check Mode-2 Install a tape to the deck B. Select TAPE B with the FUNCTION button. Press the REC button. When the PAUSE is released , recording is started. When the HI-SPEED DUBBING button is pressed during recording, the double speed recording is established only when the button is pressed.

5. The tape A is rewound and stops at the shut-off. The aging mode advances to the next step. The message: TAPE A AG-5 appears. 6. The tape B is played back in the FWD mode. After two minutes of the FWD playback, the aging mode advances to the next step. The message: TAPE B AG-2 appears. 7. The tape B runs in fast forward. After two minutes of fast forward, or at the shut-off point, the tape is stopped and the aging mode advances to the next step. The message: TAPE B AG-3 appears. 8. The tape B is played back in the RVS mode. After two minutes of the RVS playback, the aging mode advances to the next step. The message: TAPE B AG-4 appears. 9. The tape B is rewound and stops at the shut-off. The aging mode advances to the next step. The message: TAPE B AG-5 appears. [Function Change Mode] * Select either VIDEO or MD of the external FUNCTION input. Procedure: 1. Turn off the power. 2. Press the two buttons ENTER and POWER at the same time. The main power is turned on and the other function of the previous function is selected and displayed. �MD� or �VIDEO� [AM TUNER STEP 9 kHz/10 kHz Selection Mode] * Either the 9 kHz step or 10 kHz step can be selected for the AM channel step.

Procedure: 1. Turn on the power and select TUNER using the FUNCTION button. 2. Select AM with the TUNER/BAND button and turn off the power. 3. Press the two buttons ENTER and POWER at the same time. The main power is turned on and the other frequency step of the previous mode is selected and displayed. �AM 9k STEP� or �AM 10k STEP�

[Aging Mode] The decks A and B are operated automatically for aging purpose. When errors occur during aging, causes of errors are displayed and the aging mode is stopped. How to enter the aging mode 1. Turn on the main power. Install a playback tape to deck A and install a blank tape to deck B. 2. Select TAPE A with the FUNCTION button. 3. Press the three buttons of STOP , ENTER and GROUP ENTRY at the same time to enter the aging mode. How to exit the aging mode. Turn off the main power. 1. Rewind the tapes A and B. Tapes stop at the shut-off of tape A and the aging mode advances to the next step. The message: TAPE A AG-1 appears. 2. The tape A is played back in the FWD mode. After two minutes of the FWD playback, the aging mode advances to the next step. The message: TAPE A AG-2 appears. 3. The tape A runs in fast forward. After two minutes of fast forward, or at the shut-off point, the tape is stopped and the aging mode advances to the next step. The message: TAPE A AG-3 appears. 4. The tape A is played back in the RVS mode. After two minutes of the RVS playback, the aging mode advances to the next step. The message: TAPE A AG-4 appears.

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