Manual: Sony Str K670p
Connect the supplied FM wire antenna and AM loop antenna. Keep the AM loop away from the receiver and other components to reduce interference.
: Standard yellow RCA jacks for legacy video gear.
[ TV / Display Device ] ▲ │ (Component/Composite Video) ┌───────────────────────┐ │ SONY STR-K670P BACK │ └───────────────────────┘ ▲ ▲ ▲ │ │ │ (Optical) (Coaxial) (RCA Analog) │ │ │ [PS4/Xbox] [DVD Player] [CD/Phono Pre] 1. Audio Inputs
However, finding a physical copy of the can be nearly impossible. Sony discontinued support for this model years ago, leaving owners searching forums and shady PDF sites.
: Activates Sony’s Digital Cinema Sound (DCS) environments. This simulates acoustic spaces like a stadium, live venue, or traditional movie theater. sony str k670p manual
Release the buttons. The system is now restored to factory settings. 📊 Technical Specifications Reference Specification 100 Watts per channel (8 ohms, 1 kHz, THD 0.7%) Power Output (Surround Mode) 100W x 5 channels Frequency Response 10 Hz – 50 kHz (+0.5 / -2 dB) Digital Decoding Dolby Digital, DTS, Dolby Pro Logic II Tuner Range FM: 87.5 - 108.0 MHz / AM: 530 - 1710 kHz Power Consumption 180 Watts (0.3 Watts in standby mode)
To get true 5.1 surround sound from modern TVs, media streamers, or gaming consoles, you must use digital audio connections:
is an FM Stereo/AM Receiver that primarily serves as the central hub for the Sony HT-DDW670 Home Theater System . This receiver supports 5.1 channel surround sound and integrates decoding for popular formats like Dolby Digital, DTS, and Dolby Pro Logic.
The STR-K670P serves as the amplifier and tuner for the HT-DDW670 system. It is designed to deliver consistent power across all channels for a cinematic experience at home. Connect the supplied FM wire antenna and AM loop antenna
Understanding the hardware limits mapped out in the service manual ensures you do not overload the amplifier or use incompatible peripherals.
: The receiver detected a short circuit or a power surge.
Follow these steps to configure your system for the first time. Hooking Up to a Modern TV
Need further help? Leave a comment (if on a blog) or visit the r/vintageaudio subreddit. Always specify "Sony STR K670P" when asking for technical advice. [ TV / Display Device ] ▲ │
This receiver was designed to be a versatile and powerful hub. Here's a breakdown of its core specifications:
: Labeled VIDEO 2 IN . Use this for modern TVs, streaming boxes, or gaming consoles to get true 5.1 surround sound.
: Adjust the brightness of the front panel display for theater-like viewing [6]. 4. Troubleshooting & Maintenance
(TV, DVD, console) are you trying to connect?
| Problem | Likely Cause | Solution (from manual) | | --- | --- | --- | | | Speaker protection active, or incorrect input selection | Check for exposed wire strands touching rear panel. Disconnect all speakers and re-connect one pair. | | Hum in Phono input | Missing ground connection | Connect turntable ground wire to GND screw on rear panel. | | Remote control not working | Dead batteries or sensor blocked | Replace batteries (2x AA). Clean IR sensor on front panel with soft cloth. | | One channel is quieter | Balance knob dirty or corroded | Rotate BALANCE knob fully left and right 20 times to clean contacts. | | Unit shuts off at high volume | Overheating or impedance too low | Reduce volume. Ensure front speaker impedance is 8Ω or higher. Do not use A+B with two pairs of 8Ω speakers (effective 4Ω load). | | Dolby Pro Logic no rear sound | Source is mono or delay set to minimum | Use a stereo source (VHS, DVD). Set DELAY to 20ms. Ensure REAR speakers are connected. | | FM no stereo even on strong station | FM MODE forced to Mono | Press FM MODE until "STEREO" appears. |
For repair and maintenance, the service manual (latest version typically ) provides in-depth technical data: Specifications