Sony STR-D311 Service Manual

ERVICE MANUAL
STR-D311
US Model
Canadian Model
UK Model
E Model
Australian Model
Audio Power Specifications (US and
Canadian Models) |
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
With 8-ohm load, both channels driven,
from 40 - 20,000 Hz, rated 70 watts per
channel minimum RMS power, with less
than 0.8% total harmonic distortion from
250 milliwatts to rated output.
Other Specifications (for All Models)
Amplifier section
Continuous RMS power output (8 ohms, at 40 Hz - 20 kHz less than
0.8% total harmonic distortion)
75W+75W
60 W + 60 W (UK, E, Australian model)
Dynamic power (at 1 kHz, IHF)
90 W + 90 W (8 ohms)
80 W + 80 W (8 ohms) (UK, E, Australian model)
120 W + 120 W (4 ohms)
110 W + 110 W (4 ohms) (UK, E, Australian model)
Harmonic distortion
Less than 0.8% at rated output
Frequency response
PHONO: RIAA equalization curve +0.5 dB
CD
VIDEO | 10 Hz - 50 kHz +1 dB
TAPE
SPECIFICATIONS
Inputs
CD, VIDEO
TAPE 1/DAT,
TAPE 2
MONITOR
200 mV
Sensitivity | !mpedance
network, input level)
PHONO 2.5mvV 50 kilohms } 74 dB com
72 dB" (A, 2.5 mV)
50 kilohms
S/N (weighting
95 dB
80 dB" (A, 200 mV)
Outputs
*'78 IHF
REC OUT,
VIDEO (AUDIO) OUT
HEADPHONES
Tone controls
BASS: +10 dB at 100 Hz
TREBLE: +8 dB at 10 kHz
Loudness control
+6 dB (at 100 Hz)
FM STEREO/FM-AM RECEIVER
SONY.
Voltage 200 mV
Impedance 10 kilonms
Accepts low and high impedance
headphones
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Sony STR-D311 Specifications

General

Tuning range	FM, MW
Speaker load impedance	8 ohms
Speaker Impedance	8 ohms
Input Sensitivity	150 mV (line)
Dimensions	430 x 135 x 300 mm
Input Impedance	50kΩ (line)

Summary

Specifications

Audio Power Specifications

Details on power output and total harmonic distortion for US and Canadian models.

Other Specifications

Includes amplifier section, frequency response, tone controls, and headphone details for all models.

Section 1 General

Identifying Parts and Controls

Overview of front panel controls, buttons, and indicators for the STR-D311 receiver.

Remote Commander Operation

Battery Installation and Life

Instructions for inserting batteries and information regarding the remote commander's battery life.

Section 2 Diagrams

Circuit Board Locations and Semiconductor Layouts

Visual guide to circuit board placements and lead layouts for semiconductors.

System and Circuit Diagrams

Includes block, printed wiring, schematic, and IC block diagrams for various sections.

Section 3 Exploded Views

Front Panel Assembly

Exploded view of the front panel components with part numbers.

Chassis Assembly

Exploded view of the chassis components with part numbers.

Section 4 Electrical Parts List

Component Details

Comprehensive list of all electrical components, including part numbers, descriptions, and remarks.

Accessories and Packing

Packing Materials and Hardware

Details on packing materials, individual cartons, and hardware components included with the unit.