Why is there no sound coming from the center speaker of my Sony STR-DB900 Stereo Receiver?
If you're not getting sound from the center speaker of your Sony Stereo Receiver, make sure the sound field function is activated by pressing A.F.D. or MODE on the remote, or SOUND FIELD on the receiver. Also, try selecting the CINEMA STUDIO EX mode. Adjust the speaker level and ensure the center speaker is set to either 'SMALL' or 'LARGE'.
What does DEC. EROR mean on my Sony STR-DB900 Stereo Receiver?
If your Sony Stereo Receiver displays 'DEC. EROR', it means the receiver cannot decode the input signal because 'DEC.' is set to 'DEC. PCM'. Change the setting to 'DEC. AUTO'.
Why can't I tune into radio stations on my Sony STR-DB900 Stereo Receiver?
If you're unable to tune into radio stations on your Sony Stereo Receiver, check that the antennas are securely connected. Adjust the antennas and connect an external antenna if necessary. If the signal strength is weak, use manual tuning. Ensure you've set the tuning interval correctly when tuning in AM stations manually. If no stations have been preset, preset the stations. Press DISPLAY so that the frequency appears on the display.
How to fix poor FM reception on my Sony STR-DB900?
To improve poor FM reception on your Sony Stereo Receiver, use a 75-ohm coaxial cable (not supplied) to connect the receiver to an outdoor FM antenna. If connecting to an outdoor antenna, ground it against lightning, but do not connect the ground wire to a gas pipe to prevent a gas explosion.
Why is there no picture on the TV screen connected to my Sony STR-DB900 Stereo Receiver?
If you're not getting a picture or the picture is unclear on the TV screen or monitor connected to your Sony Stereo Receiver, select the appropriate input on the receiver. Set your TV to the appropriate input mode. Move your TV away from the audio components.
Why is RDS not working on my Sony STR-DB900 Stereo Receiver?
If RDS is not working on your Sony Stereo Receiver, make sure you are tuned to an FM RDS station. Try selecting an FM station with a stronger signal.
Details power output, impedance, sensitivity, and voltage.
Service position for AMP/DIGITAL boards and removal notes.
Guidelines for checking boards with electricity applied safely.
Presents key waveforms for various signal paths in the unit.
Block diagrams for key ICs on the Digital board.
Block diagrams for key ICs on the Amplifier board.
Detailed pinout and function for IC206 on the Digital board.
Detailed pinout and function for IC202 on the Digital board.
Detailed pinout and function for IC202 (System Control) on Digital board.
Lists parts like resistors, capacitors, coils, and semiconductors with references.
General| Power output | 100 W per channel (8 ohms, 20 Hz-20 kHz, 0.09% THD) |
|---|---|
| Number of Channels | 2 |
| Input sensitivity | 200 mV (line) |
| Dimensions | 430 x 157 x 375 mm (W x H x D) |
| Weight | 13.2kg |
| Frequency response | 10 Hz - 100 kHz |
| Total harmonic distortion | 0.09% |
| Digital inputs | coaxial, optical |
| Video Connections | composite |
| Speaker load impedance | 8 ohms |
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