| Problem | Likely Cause & Solution | | :--- | :--- | | | 1. Check speaker connections (short circuit possible). 2. Press MUTING on remote. 3. Turn up MASTER VOLUME . | | Distorted sound | 1. Reduce volume. 2. Check speaker impedance (use 6–16Ω). | | Hum or noise | 1. Check antenna connections (FM/AM). 2. Move receiver away from fluorescent lights or AC transformers. | | No surround effect | 1. Press A.F.D. or Cinema Studio EX . 2. Check that source is Dolby/DTS encoded (e.g., DVD). | | Remote does not work | 1. Replace batteries. 2. Clear obstructions between remote and receiver. 3. Press AMP (or RECEIVER ) button first to control the receiver. | | PROTECT appears on display | The unit has detected a short or overheating. Turn off, disconnect all speakers, check wires, then reconnect one by one. |
RCA jacks for standard stereo components.
One optical port (often used for modern TV connections via converters) and one coaxial digital port.
Connecting your receiver correctly is the first step to great sound. The official manual guides you through three main stages: sony str k670p manual
: Delivers 60 watts per channel (into 6 ohms) for stereo and surround sound configurations (Front, Center, Surround, and Subwoofer).
[ TV / Display Device ] ▲ │ (Component/Composite Video) ┌───────────────────────┐ │ SONY STR-K670P BACK │ └───────────────────────┘ ▲ ▲ ▲ │ │ │ (Optical) (Coaxial) (RCA Analog) │ │ │ [PS4/Xbox] [DVD Player] [CD/Phono Pre] 1. Audio Inputs
Proper ventilation is critical; users should regularly clean the unit's vents to prevent performance drops. | Problem | Likely Cause & Solution | | :--- | :--- | | | 1
If the receiver suddenly turns off and the display shows "PROTECT", it has activated a safety circuit. This usually means there is a problem with speaker wiring.
If you encounter a persistent issue, a factory reset might be the solution. First, turn off the receiver. Then, while holding down the ?/1 button for about five seconds, you'll see "PUSH" and "ENTER" alternate on the display. Press the ENTER button. When "CLEARING" appears and then changes to "CLEARED," the reset is complete.
host service manuals containing wiring diagrams and electrical parts lists. 2. Getting Started: The Basics Speaker Compatibility : You can connect speakers with an impedance between 6 to 16 ohms Press MUTING on remote
Press and hold down the button for roughly 5 seconds while the unit is off.
The manual dictates a strict sequence of events for wiring to prevent electrical shorts and signal interference. 1. Audio and Video Source Connections
The STR-K670P powers a (5 speakers and a subwoofer). Connect your speakers to the color-coded terminals on the back of the receiver. When hooking up a TV, use either the Digital Optical or Coaxial input for the best audio quality.