Saturday 3 October 2020

SONY STR - DE895 - DE995 FM STEREO FM-AM RECEIVER - SCHEMATICS - SERVICE ADJUSTMENTS - DIAGNOSE TEST MODE AND MORE

 “Dolby”, “Pro Logic” and the double-D symbol are trademarks of Dolby Laboratories.

“DTS”, “DTS-ES Extended Surround” and “Neo:6” are trademarks of Digital Theater Systems, Inc.

US Model-STR-DE895-DE995

Canadian Model-STR-DE995

E Model-STR-DE895

Models of area code E2, E3, MX

Rated Power Output at Stereo Mode (8 ohms 1 kHz, THD 0.7 %) 110 W + 110 W 2

Reference Power Output 2 [8 ohms 1 kHz, THD 10 %]

FRONT 1) : 130 W/ch

CENTER 1) : 130 W

SURR 1) : 130 W/ch

SURR BACK 1) : 130 W/ch 3) or 130 W 4)

Models of area code US, CND

Rated Power Output at Stereo Mode

(8 ohms 20 Hz – 20 kHz, THD 0.09 %) 100 W + 100 W

Reference Power Output

(8 ohms 20 Hz – 20 kHz, THD 0.09 %)

FRONT 1) : 100 W/ch

CENTER 1) : 100 W

SURR 1) : 100 W/ch

SURR BACK 1) : 100 W/ch 3) or 100 W 4) (8 ohms 1 kHz, THD 0.7 %)

FRONT 1) : 110 W/ch

CENTER 1) : 110 W

SURR 1) : 110 W/ch

SURR BACK 1) : 110 W/ch 3) or 110 W 4)

Tuning range

Models of area code US, CND

With 10-kHz tuning scale: 530 – 1710 kHz 7)

With 9-kHz tuning scale: 531 – 1710 kHz 7)

Models of area code E2, E3

With 10-kHz tuning scale: 530 – 1610 kHz 7)

With 9-kHz tuning scale: 531 – 1602 kHz 7)

Weight

10.6 kg (23 lb 6 oz) (STR-DE995)

9.7 kg (21 lb 7 oz) (STR-DE895)



TEST MODE

FACTORY PRESET MODE

* All pre-set contents are reset to the default setting.

* Procedure:

While depressing the [MOVIE] and the [MAIN MENU] buttons simultaneously, press the POWER button to turn on the main power.

The message “MEMORY CLEARING” and “MEMORY CLEARED!” appears for a moment and the present contents are reset to the default values.

AM CHANNEL STEP 9 kHz/10 kHz SELECTION

MODE (Except Mexican model)

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

* Procedure:

While depressing the [PRESET TUNING +] button or the [TUNING +] button, press the POWER button to turn on the main power.

Either the message “AM 9kHz Step” or “AM 10kHz Step” appears for a moment and select the desired step.

FLUORESCENT INDICATOR TUBE 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 [SB DECODING] (DE895), the [SURR BACK DECODING] (DE995) and the [DISPLAY] buttons simultaneously, press the POWER button to turn on the main power.

4. Press the [DIMMER] button, all segments and all LEDs light on.

5. Every pressing the [DIMMER] button turns on each segment and LED one after another in the same order.

SOUND FIELD CLEAR MODE

* The pre-set sound field is cleared when this mode is activated.

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

* Procedure:

While depressing the [2CH] button, press the POWER button to turn on the main power.

The message “S.F. Initialize” appears for a moment.

SOFTWARE VERSION DISPLAY MODE

* The software version is displayed.

* Procedure:

While depressing the [A.F.D.] and the [DISPLAY] buttons simultaneously, press the POWER button to turn on the main power.

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

COMMAND MODE SELECTION MODE

* The command mode (AV1 or AV2) of the remote commander can be selected.

* Procedure:

While depressing the [ENTER] button, press the POWER button to turn on the main power.

Either the message “COM MODE [AV1]” or “COM MODE [AV2]” appears for a moment and select the desired mode.

SCHEMATIC DIAGRAM — MAIN SECTION (1/3)


SCHEMATIC DIAGRAM — MAIN SECTION (2/3)

SCHEMATIC DIAGRAM — MAIN SECTION (3/3)

MAIN BOARD PWB

DIGITAL BOARD

SCHEMATIC DIAGRAM — DIGITAL SECTION (1/3)

SCHEMATIC DIAGRAM — DIGITAL SECTION (2/3)

SCHEMATIC DIAGRAM — DIGITAL SECTION (3/3)

SCHEMATIC DIAGRAM — DISPLAY SECTION