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Sony STR-DE845 Support Question

Sony STR-DE845 Support Question

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Question posted by jamesdohm on February 21st, 2013

No Audio Output

I have lost the audio output from my Sony STR-DE845 receiver on several occasions on powering it on initially.  I found on most occasions, leaving it ON while tuned to a strong FM signal, the audio returns by itself after a half-hour or so.  By all status indicators, it should be working.  It is NOT due to wrong speaker output enabled or stray IR signals. 

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Related Sony STR-DE845 Manual Pages

Operating Instructions - Page 4

... remote sensor to yellow; white (left, audio) to red. 4 and red (right, audio) to white; Notes • Do not leave the remote in the battery compartment. Before you actually connect them to all components before you get started • Turn off the power to the receiver. z When to the receiver. When using the remote, point it at...
Operating Instructions - Page 5

... MD/DAT OUT IN TAPE AUDIO IN AUDIO IN AUDIO OUT AUDIO IN AUDIO OUT AUDIO IN 2ND AUDIO TV/SAT DVD/LD VIDEO 2 VIDEO 1 OUT Terminals for grounding the receiver. 5 Note Do not use the U SIGNAL GND terminal for connecting the antennas Connect the AM loop antenna FM wire antenna To the AM terminals FM 75Ω COAXIAL terminal Assembling...
Operating Instructions - Page 6

... jacks on the receiver. 6 Hooking Up the Components Audio Component Hookups STR-DE945 MD/DAT deck INPUT OUTPUT LINE LINE L R ç ç Turntable OUT IN Required cords Audio cords (not supplied) When connecting a cord, be sure to match the color-coded pins to the U SIGNAL GND terminal on the components. White (L) White (L) Red (R) Red (R) ANTENNA AM y COAXIAL FM 75Ω...
Operating Instructions - Page 7

... OUT OUT IN B + SPEAKERS A R L ++ + R L R L - - - - Hooking Up the Components ç STR-DE845 Turntable MD/TAPE deck INPUT OUTPUT LINE LINE L R ç OUT IN Required cords Audio cords (not supplied) When connecting a cord, be sure to match the color-coded pins to the U SIGNAL GND terminal on the components. R L FRONT IMPEDANCE USE 4 - 16Ω REAR CENTER 8 - 16...
Operating Instructions - Page 8

... monitor You can connect your TV's audio output jacks to the TV/ SAT AUDIO IN jacks on the receiver and apply sound effects to the audio from the video signals and will not be sure to match the color-coded pins to the TV/SAT VIDEO IN jack on video component hookups You can use the video...
Operating Instructions - Page 9

.... Hooking Up the Components Digital Component Hookups Connect the digital output jacks of your DVD player and satellite tuner (etc.) to the receiver's digital input jacks to bring the multi channel surround sound of a movie theater into your RF Demodulator for details on AC-3 RF hookups. You must first convert the RF signal to "AUTO...
Operating Instructions - Page 10

... AUDIO IN AUDIO OUT AUDIO IN 2ND AUDIO TV/SAT DVD/LD VIDEO 2 VIDEO 1 OUT Notes • Please note that you to make a digital recording from your CD player, connect the CD player's digital output directly to the digital input on the components. These connections allow you cannot make a digital recording of a digital multi channel surround signal...
Operating Instructions - Page 11

... AUDIO IN AUDIO OUT AUDIO IN AUDIO OUT AUDIO IN 2ND AUDIO TV/SAT DVD/LD VIDEO 2 VIDEO 1 OUT Example of a DVD player hookup using the connections described below, adjust the level of the DVD player's multi channel decoder. Hooking Up the Components 5.1CH Input Hookups Although this receiver incorporates a multi channel decoder, it is equipped with 5.1CH OUTPUT...
Operating Instructions - Page 12

... Up the Components Required cords Audio cords (not supplied) When connecting a cord, be sure to match the color-coded pins to the appropriate jacks on page 29) repeatedly to switch the audio signals output to a stereo amplifier located in another room. TUNING + SHIFT - TUNING + MEMORY FM/AM FM MODE 2ND AUDIO BASS MUTING EQUALIZER BOOST VIDEO 3 INPUT VIDEO L AUDIO R AUDIO OUT AUDIO IN...
Operating Instructions - Page 16

...components: + to -. to + and - If the cords are reversed, the sound will be used to connect a second active sub woofer. R L FRONT IMPEDANCE USE 4 - 16Ω REAR CENTER 8 - 16Ω y SIGNAL... GND MONITOR VIDEO IN VIDEO IN VIDEO OUT VIDEO IN VIDEO OUT VIDEO IN CONTROL A1 AUDIO OUT SUB WOOFER FRONT... to avoid excessive output on the speakers. 16 Notes on speaker ...
Operating Instructions - Page 18

...to clear the receiver's memory, do the following items. For details on how to turn the receiver off automatically via the CONTROL A1 control system (page 50). • STR-DE945 only: -... Initial Setup Operations Once you turn on the power. TUNING + MEMORY FM/AM FM MODE 2ND AUDIO + SET UP NAME ENTER 0 BASS MUTING EQUALIZER BOOST VIDEO 3 INPUT 10 VIDEO L AUDIO R 1 Turn off the receiver....
Operating Instructions - Page 23

TUNING + MEMORY FM/AM FM MODE 2ND AUDIO + SET UP NAME ENTER 0 BASS MUTING EQUALIZER BOOST VIDEO 3 INPUT 10 VIDEO L AUDIO R 1 Press ?/1 to turn up the volume. A B C...you follow the procedure described above and adjust the speaker levels from your components to the receiver, do not obtain normal sound output after performing this procedure, look for the reason in the display during ...
Operating Instructions - Page 27

...) (STR-DE845 only) 1 2 34 4 5 SPEAKERS OFF A B A+B PHONES MULTI CHANNEL DECODING DIMMER DISPLAY INPUT MODE 5.1CH INPUT 5.1CH VIDEO 1 VIDEO 2 VIDEO 3 DVD/LD TV/SAT INPUT CINEMA STUDIO EX. - TUNING + SHIFT - LEVEL A B C TAPE MD/DAT CD TUNER PHONO SOUND FIELD SUR A.F.D. 2CH MODE EQ EQUALIZER BASS BOOST MASTER VOLUME PRESET - TUNING + MEMORY FM/AM FM MODE 2ND AUDIO...
Operating Instructions - Page 28

... lights when the unit is the same as follows: v Index name of audio signal being input and perform proper decoding (if necessary). TUNING + SHIFT - When you want to turn off the display, set the receiver to automatically detect the type of the component or the preset station* v Function button indication or frequency** v Sound field applied...
Operating Instructions - Page 29

... 2 channel (stereo) audio signals for preset stations. qh EQUALIZER button Press to a stereo amplifier in the display and the FM stereo reception is not compatible with 96 kHz digital audio signals and during 5.1CH input. 29 When you adjust the equalizer using the EQ parameters (page 40), the settings are stored automatically and can be output from components connected to...
Operating Instructions - Page 43

... (see page 45). Before you begin, make sure you want directly by entering its 2-character code using Direct Tuning or Automatic Tuning, you have : • Connected FM and AM antennas to the receiver (see page 46). The receiver will also scan all available stations in any of the station you have preset (see page 27...
Operating Instructions - Page 45

...). 3 Press MEMORY. Note If the AC power cord is disconnected for a few seconds. The last received station is tuned in. 2 Press FM/AM to select a preset number. When the receiver reaches either end of the band Scanning is received. to select the FM or AM band. 3 Press TUNING + or TUNING -. Automatic Tuning Preset Tuning For details on the buttons used in...
Operating Instructions - Page 48

... audio signal, connect a digital component to the DIGITAL MD/DAT OUT jacks (STR-DE945) or the DIGITAL MD/TAPE OUT jacks (STR-DE845). • Sound adjustments do not affect the signal output from the components connected to be entered for . If you normally would using the controls on page 46. 3 Press NAME. 4 Create an index name by using the receiver. TUNING...
Operating Instructions - Page 55

... U, CA Rated Power Output at Stereo Mode (8 ohms 20 Hz - 20 kHz, THD 0.09 %) STR-DE945: 110 W + 110 W STR-DE845: 100 W + 100 W Reference Power Output (8 ohms 1 kHz, THD 0.7 %) STR-DE945: FRONT:1) 110 W + 110 W CENTER1): 110 W REAR1): 110 W + 110 W STR-DE845: FRONT1): 100 W + 100 W CENTER1): 100 W REAR1): 100 W + 100 W Models of other area code STR-DE845: Rated Power Output at Stereo Mode (8 ohms...
Operating Instructions - Page 56

... - S/N: 100 dB (A, 20 kHz LPF) Outputs TAPE, MD/DAT, MD/ TAPE; VIDEO 1, 2 (AUDIO OUT): Voltage: 150 mV, Impedance: 1 kilohms SUB WOOFER: Voltage: 2 V Impedance: 1 kilohms PHONES: Accepts low- Impedance: - Additional Information 56 After tuning in any AM station, turn off the receiver. and high-impedance headphones FM tuner section Tuning range 87.5 - 108.0 MHz Antenna terminals 75...

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