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Sony STR-K840P Support Question

Sony STR-K840P Support Question

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Question posted by vincemcgee on August 21st, 2010

Sony Receiver Problems Str-k840p

I'm getting a "Protect" error message and the unit seems to have locked-up.  All wires and connections are good and the unit is not hot.

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Related Sony STR-K840P Manual Pages

Limited Warranty (U.S. Only) - Page 1

... or maintenance, connection to improper voltage supply, or attempted repair by anyone other rights which is evidence that the unit is within 90 days of the date of purchase in Japan 4-557-173-02 General Stereo/Hifi Components/Tape Decks ® CD Players/Mini Disc Players/Audio Systems Hifi Audio LIMITED WARRANTY Sony Electronics Inc. ("Sony") warrants this...
Operating Instructions (primary manual) - Page 1

Model No. HT-DDW840/DDW740 Serial No. Record the serial number in the space provided below. 4-238-377-12(2) FM Stereo FM-AM Receiver Operating Instructions GB Owner's Record The model and serial numbers are located on the rear panel. HT-DDW840 HT-DDW740 © 2002 Sony Corporation Refer to them whenever you call upon your Sony dealer regarding this product.
Operating Instructions (primary manual) - Page 2

...protection against harmful interference in a particular installation. However, there is encouraged to try to correct the interference by one or more of the following measures: - registered mark. And don't place lighted candles on a circuit different from Dolby Laboratories. Reorient or relocate the receiving antenna. - Connect...the receiver is a U.S. As an ENERGY STAR® partner, Sony ...
Operating Instructions (primary manual) - Page 3

... connections 21 Basic Operations Selecting the component 22 Changing the display 23 Enjoying Surround Sound Automatically decoding the input audio signal 24 Selecting a sound field 24 Using only the front speakers (2 Channel Stereo 26 Enjoying stereo sound in multi channel (Dolby Pro Logic )1 26 Understanding the multi channel surround displays 27 Customizing sound fields 28 Receiving...
Operating Instructions (primary manual) - Page 4

...buttons on the power. The HT-DDW840 consists of : - Receiver - When the demonstration starts, the following message appears in the display: "NOW DEMONSTRATION MODE IF YOU FINISH DEMONSTRATION PLEASE ... on the receiver. About This Manual The instructions in this manual are not available. Speaker system • Front/surround speakers • Center speaker • Sub woofer STR-K840P SS-MSP2 SS...
Operating Instructions (primary manual) - Page 7

... IN AUDIO IN AUDIO IN AUDIO OUT AUDIO IN SUB MD/TAPE DVD/LD VIDEO 2 VIDEO 1 WOOFER * The shape of the connector varies depending on antenna hookups • To prevent noise pickup, keep the AM loop antenna away from the receiver and other components. • Be sure to fully extend the FM wire antenna. • After connecting the FM wire antenna...
Operating Instructions (primary manual) - Page 8

Audio component hookups DIGITAL OPTICAL VIDEO 2 IN MD or Tape deck INPUT OUTPUT LINE LINE L R A A ç ç OUT IN ANTENNA AM MONITOR DVD/LD IN COAXIAL FM 75Ω COAXIAL VIDEO IN VIDEO IN VIDEO OUT VIDEO IN VIDEO OUT L CENTER R SUB FRONT SURROUND WOOFER MULTI CH IN AUDIO OUT L R IN CD OUT IN AUDIO IN...
Operating Instructions (primary manual) - Page 9

... IN B TV tuner, satellite tuner or VCR OUTPUT VIDEO OUT AUDIO OUT L R Ç OUT IN B B INPUT OUTPUT VIDEO VIDEO IN OUT AUDIO AUDIO IN OUT L R VCR Note on video component hookups You can connect your TV's audio output jacks to the VIDEO 2 AUDIO IN jacks on the receiver. C INPUT VIDEO IN TV monitor 9GB In this case, do...
Operating Instructions (primary manual) - Page 10

... surround sound of a movie theater into your DVD player and satellite tuner (etc.) to the receiver's digital input jacks to this unit's digital input jacks. We recommend making coaxial connections instead of optical connections. 10GB You can also connect an LD player with 96 kHz, 48 kHz, 44.1 kHz and 32 kHz sampling frequencies. To...
Operating Instructions (primary manual) - Page 11

... connect them directly to the receiver to connect an external multi channel decoder. DIGITAL OPTICAL VIDEO 2 IN ANTENNA AM MONITOR DVD/LD IN COAXIAL FM 75Ω COAXIAL VIDEO IN VIDEO IN VIDEO OUT VIDEO IN VIDEO OUT L CENTER R SUB FRONT SURROUND WOOFER MULTI CH IN AUDIO OUT L R IN CD OUT IN AUDIO IN AUDIO IN AUDIO OUT AUDIO...
Operating Instructions (primary manual) - Page 24

...Sony Pictures Entertainment, Sony measured the sound environment of their studios and integrated the data of audio signal being input (Dolby Digital, DTS, or standard 2 channel stereo) and performs the proper decoding if necessary. To fully enjoy surround sound, you want by selecting one of the receiver...sub woofer. Automatically decoding the input audio signal Press A.DEC. appears in ...
Operating Instructions (primary manual) - Page 32

... details on the area code as shown in the display and the FM stereo reception is received. Press TUNING + to scan from high to monaural (MONO). press TUNING - The receiver stops scanning whenever a station is poor, press FM MODE to change to low. The receiver automatically tunes in an AM station, adjust the direction of area...
Operating Instructions (primary manual) - Page 34

... with the regular program signal. The receiver scans for FM stations.* * Not all FM stations provide RDS service, nor do they provide the same types ...page 32). Displaying RDS information - b) Text messages sent by government authorities, "ALARM" flashes in the display. • When the message consists of 9 characters or more, the message scrolls across the display. • If a ...
Operating Instructions (primary manual) - Page 38

... LOGIC ) Lets you use 2 Sony receivers in the same room. This receiver incorporates with Dolby Pro Logic II which has movie mode and music mode, and the receiver can reproduce the sound in 5.1 ...8226; When set to "II MOVIE", the receiver performs the Pro Logic II movie mode decoding. The source recorded in 2 channel is ideal for the normal stereo sources, such as CDs. This setting is ...
Operating Instructions (primary manual) - Page 50

... operating voltage is not a malfunction. Should any further. On power sources • Before operating the unit, check that have any question or problem concerning your receiver, please consult your nearest Sony dealer. On operation Before connecting other for a long time, be observed on the nameplate at a large volume, the cabinet temperature of TV sets. Turn...
Operating Instructions (primary manual) - Page 51

... are unbalanced or reversed. • Check that the speakers and components are connected correctly and securely. • Adjust balance parameters in Dolby Digital or DTS format. • When connecting the DVD player, etc. When making this receiver, check the audio setting (settings for the connection is (are) fully inserted into the jacks on the sound field...
Operating Instructions (primary manual) - Page 52

..., do not connect the ground wire to an FM RDS station. • Select a stronger FM station. Receiver Outdoor FM antenna ANTENNA AM FM 75Ω COAXIAL Ground wire (not supplied)...connect the receiver to select a source or component other than TV before operating the receiver or other component. • Press MAIN MENU on the receiver. • Set your TV away from the audio components...
Operating Instructions (primary manual) - Page 53

... field and tone bypassed). 5) Weighted network, input level. Specifications AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION: With 8 ohm loads, both channels driven, from 250 milliwatts to rated output (Models of other area code Rated Power Output at Stereo Mode (8 ohms 1 kHz, THD 0.7 %) STR-K840P: 90 W + 90 W2) Reference Power Output2) (8 ohms 1 kHz...
Operating Instructions (primary manual) - Page 54

.../TAPE (OUT), VIDEO 1 (AUDIO OUT) SUB WOOFER Voltage: 250 mV Impedance: 10 kilohms Voltage: 2 V Impedance: 1 kilohms Tone Gain levels: ±6 dB, 1 dB step FM tuner section Tuning range 87.5... - 108.0 MHz Antenna terminals 75 ohms, unbalanced Intermediate Frequency 10.7 MHz Sensitivity Mono: Stereo: 18.3 dBf, 2.2 µV/...receiver.
Operating Instructions (primary manual) - Page 55

... U, MX STR-K840P: 210 W STR-K740P: 180 W CA STR-K840P: 300 VA STR-K740P: 260 VA CEL, CEK, SP E2/E3, AR STR-K840P: 180 W STR-K740P: 155...lb 4 oz) SA-WMSP4 for HT-DDW840 SA-WMSP2 for HT-DDW740 AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION: With 6 ohm loads, ... Speaker system Active subwoofer, magnetically shielded Speaker unit Woofer: 20 cm cone type Enclosure type...

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