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Sony STR-DE505

Audio Video Receiver (1996)

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Sony STR-DE505


Tuning range: FM, MW

Power output: 100 watts per channel into 8Ω (stereo)

Surround output: 100W (front), 100W (center), 100W (rear)

Frequency response: 10Hz to 50kHz

Total harmonic distortion: 0.09%

Input sensitivity: 2.5mV (MM), 200mV (line)

Signal to noise ratio: 74dB (MM), 82dB (line)

Output: 150mV (line)

Video Connections: composite

Dimensions: 430 x 148 x 295mm

Weight: 7.3kg

Accessories: remote control

Year: 1996


service manual   English -

instruction/owners manual   English - Jeepo65

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STR-DE series

Start with checking R810 and R811 !

1 Ohm series resistors (failing) on the main power board.

Should be approx 220mV...

After more of a decade running nice, tuner went bad in recieving.
Opamps go down to +/-7.5 instead of 12v.
The tuner chip also needs this 12v !

Replaced R811 by prescripted type (safety!) ; tuner runs fine again...

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