Electrotechnician: October 2020

POWER OUTPUT AND TOTAL HARMONIC DISTORTION: (Models of area code US only)

With 8 ohm loads, both channels driven, from 20 – 20,000 Hz; rated 90 watts per channel minimum RMS power, with no more than 0.09% total harmonic distortion from 250 milliwatts to rated output.

Amplifier section

Models of area code US1)

Minimum RMS Output Power (8 ohms, 20 Hz – 20 kHz, THD 0.09%) 90 W + 90 W

Stereo Mode Output Power (8 ohms, 1 kHz, THD 1%) 100 W + 100 W

Surround Mode Output Power2) (8 ohms, 1 kHz, THD 10%) 130 W per channel

Models of area code CND1)

Minimum RMS Output Power (8 ohms, 20 Hz – 20 kHz, THD 0.09%) 85 W + 85 W

Stereo Mode Output Power (8 ohms, 1 kHz, THD 1%) 100 W + 100 W

Surround Mode Output Power2) (8 ohms, 1 kHz, THD 10%) 130 W per channel.

TEST MODE

AM CHANNEL STEP 9 kHz/10 kHz SELECTION MODE (US, Canadian model only)

* Either the 9 kHz step or 10 kHz step can be selected for the AM channel step.

* Procedure:

Turn the [INPUT SELECTOR] control to set AM and press the [Power] button to turn off the main power.

1. While depressing the [TUNING MODE] button, press the [Power] button to turn on the main power.

2. Either the message “9K STEP” or “10K STEP” appears for a moment and select the desired step.

VACUUM FLUORESCENT DISPLAY TEST MODE

* All fluorescent segments are tested.

When this test is activated, all segments light on at the same time, then each segment lights on one after another.

* Procedure:

While depressing the [TUNING +] and the [DIMMER] buttons simultaneously, press the [Power] button to turn on the main power.

4. Press the [DISPLAY] button, all segments light off.

SOUND FIELD CLEAR MODE

* The preset sound field is cleared when this mode is activated.

Use this mode before returning the product to clients upon completion of repair.

* Procedure:

1. While depressing the [MUSIC] button, press the [Power] button to turn on the main power.

2. The message “S.F. CLEAR” appears for a moment and initialization is performed.

SOFTWARE VERSION CHECK MODE

* The software version is displayed.

* Procedure:

1. While depressing the [TUNING MODE] and the [DISPLAY] buttons simultaneously, press the [Power] button to turn on the main power.

2. The model name, destination and the software version are displayed for a moment.

KEY CHECK MODE

* Button check

* Procedure:

1. While depressing the [TUNING +] and the [MUTING] buttons simultaneously, press the [Power] button to turn on the main power.

2. The message “REST 12” appears.

3. Every pressing of any button other than the [Power] counts down the buttons. The buttons which are already counted once are not counted again. When all buttons are pressed “REST 00” appears.

SWAP ALL MODE

* The signal will be swap to all channel so that all speaker will have sound output.

* Procedure:

1. While depressing the [TUNING MODE] and the [MOVIE] buttons simultaneously, press the power [Power] button to turn on the main power.

2. “SWAP.MODE” appears. (No change while displayed.)

SHIPMENT MODE

* All preset contents are reset to the default setting.

* Procedure:

1. While depressing the [TUNING MODE] and the [DIMMER] buttons simultaneously, press the power [Power] button to turn on the main power.

2. The message “CLEARING” appears.

3. After a few seconds, “CLEARED” appears and switch off the set.

PROTECTOR AUTO OFF

* To disable auto off after protector occur.

* Procedure:

1. While depressing the [INPUT MODE] and the [A.F.D.] buttons simultaneously, press the power [Power] button to turn on the main power.

2. “PROTECT” appears.

HISTORY MODE

* The state that the set is used is memorized.

* Procedure:

1. While depressing the [INPUT MODE] and the [MUSIC] buttons simultaneously, press the [Power] button to turn on the main power.

2. “HISTORY” appears.

3. Each time the [↑] / [↓] buttons on the remote commander is pressed, the item is switched in order as follows.

DCAC TEST MODE

Procedure:

1. While pressing [INPUT MODE] and the [MOVIE] buttons, press the [Power] button to turn on the main power.

2. The message “DCAC FTM” appears.

SOURCE : normal mode

MIC IN : mode that output audio from mic input.

3. Afterward, press the [DISPLAY] to start DCAC factory test mode.

INITIALIZE MODE

All preset contents are cleared when this mode is activated. Use this mode before returning the product to clients upon completion of repair.

Procedure:

1. While pressing the [TUNING MODE] and [MUTING] buttons, press the [Power] button to turn on the main power.

2. The message “CLEARING” appears and the memories are reset to the default values.

3. When done, the message “CLEARED” appears.

COMMAND MODE CHANGE MODE

The command mode of the remote-commander which this set receives can be changed.

Procedure:

1. While pressing the [INPUT MODE] and [2CH/A.DIRECT] buttons, press the [Power] button to turn on the main power.

2. Either the message “C.MODE.AV1” or “C.MODE.AV2” appears. Select the desired mode.

USER INITIALIZE

Procedure:

1. Hold the [Power] for 5 seconds.

2. The message “CLEARING” appears on the display.

3. After a few seconds, “CLEARED” appears.

DMPORT MODE

* All preset contents are cleared when this mode is activated. Use this mode before returning the product to clients upon completion of repair.

* Procedure:

1. Connect the DMPORT check jig (P/N: J-2501-309-A) with the DMPORT Jack (J2901) on the MICOM board.

2. While pressing the [TUNING MODE] and [MUSIC] buttons, press the [Power] button to turn on the main power.

3. The message “DMPORT T.” and “DMPORTOK” appears on the fluorescent indicator tube and enter the digital media port test mode. (Confirmation of communication line). When “NO DET”, “UART NG” and “UART TO” are displayed on the fluorescent indicator tube, confirm the connection of the DMPORT check jig, and enter the mode again. Each time the [>>|] button on the remote commander is pressed, the connect check and adaptor version check are switched. Press the [|<< ] button on the remote commander, connected confirmation of the DMPORT check jig is done again.

4. To a pin jack of the DMPORT check jig input information relevant to audio signal (sine-wave 1.0V rms) and composite video signal (white 100% 1.0Vp-p, color bar, etc).

5. Confirm the output of speakers and monitor TV. (Confirmation of analog signal).

6. To release from this mode, press the [Stop] button on the remote commander.

FM TUNER CHECK

Procedure:

1. Turn on the set.

2. Input the following signal from Signal Generator to FM antenna input directly.

* Carrier Frequency: A=87.5 MHz, B=98 MHz, C=108 MHz

Deviation : 75 kHz

Modulation : 1 kHz

ANT input : 35 dBu (EMF)

Note:

Please use 75 ohm “coaxial cable” to connect SG and the set. You cannot use video cable for checking.