Sony STR-K650P User Manual

STR-K650P
US Model SERVICE MANUAL
FM STEREO FM-AM RECEIVER
— Continued on next page —
SPECIFICATIONS
Ver 1.0 2003. 04
Dolby Laboratories Licensing Corporation.
“DOLBY” the double-D symbol ; “AC-3” and “PRO LOGIC”
are trademarks of Dolby Laboratories Licensing Corporation.
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-877-334-01
2003D167800-1
© 2003.04
• STR-K650P is the tuner and the amplifier
section in HT-DDW650.
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
With 8 ohm loads, both channels driven, from
40 – 20,000 Hz; rated 70 watts per channel
minimum RMS power, with no more than
0.7 % total harmonic distortion from 250
milliwatts to rated output (Models of area code
U only).
Amplifier section
POWER OUTPUT
Rated Power Output at Stereo Mode
(8 ohms 40 Hz – 20 kHz, THD 0.7 %)
70 W + 70 W
Reference Power Output
(8 ohms 1 kHz, THD 0.7 %)
FRONT
1)
:80 W/ch
CENTER
1)
: 80 W
SURR
1)
: 80 W/ch
1) Depending on the sound field settings and the
source, there may be no sound output.
Frequency response
CD, MD/TAPE, DVD,
VIDEO 1, 2
Inputs (Analog)
CD, MD/TAPE, DVD,
VIDEO 1, 2
2) INPUT SHORT (with sound field and tone
bypassed).
3) Weighted network, input level.
10 Hz – 50 kHz
+0.5/–2 dB (with sound
field and tone bypassed)
Sensitivity: 500 mV
Impedance: 50 kilohms
S/N
2)
: 96 dB
(A, 500 mV
3)
)
Sensitivity: –
Impedance: 75 ohms
S/N: 100 dB
(A, 20 kHz LPF)
Sensitivity: –
Impedance: –
S/N: 100 dB
(A, 20 kHz LPF)
Inputs (Digital)
DVD (Coaxial)
VIDEO 2 (Optical)
Outputs
MD/TAPE (OUT),
VIDEO 1
(AUDIO OUT)
SUB WOOFER
Tone
Gain levels: ±6 dB, 1 dB step
Voltage: 500 mV
Impedance: 10 kilohms
Voltage: 2 V
Impedance: 1 kilohms

Sony STR-K650P Specifications

General

Channels	5.1
Input Sensitivity	250 mV (Line)
Power Output	100 W per channel
Signal-to-Noise Ratio	80dB
Tuning range	FM
Speaker load impedance	8 - 16 ohms
Digital inputs	2 x Optical, 1 x Coaxial
Video Connections	composite
Speaker Impedance	6 ohms
Dimensions	430 x 145 x 298mm

Summary

System Specifications

Safety and Component Handling Precautions

AC Leakage Testing Procedures

Methods for measuring AC leakage current from exposed parts.

Chip Component Replacement Guidelines

Precautions for replacing chip components and handling heat-sensitive parts.

Unleaded Solder Usage and Characteristics

Explains properties of unleaded solder and usage precautions.

Critical Component Replacement Warning

Highlights critical components vital for safe operation.

Service Test Modes

Factory Preset Mode

Resets all preset contents to default settings.

AM Channel Step Selection

Mode to select 9 kHz or 10 kHz step for AM channel tuning.

Speaker Size Selection

Mode to select speaker type (Normal or Micro Satellite).

Fluorescent Indicator Tube Test

Tests all fluorescent segments by turning them on sequentially.

Sound Field Clear Mode

Clears preset sound field settings for service.

Software Version Display Mode

Displays the model name, destination, and software version.

Key Check Mode

Checks button functionality by counting presses.

Command Mode Selection

Allows selection between AV1 or AV2 remote commander modes.

Diagrams and Circuit Board Locations

Circuit Board Layout Overview

Diagram showing the physical location of all major circuit boards.

Main Section Block Diagram

Main Section Signal Flow

Block diagram illustrating signal flow within the main section of the unit.

Display and Power Section Diagrams

Display/Power Section Signal Paths

Block diagrams showing signal paths for display and power amplifier sections.

Digital Section Schematic (1/2)

Digital Section Schematic Connections (Part 1)

Schematic diagram detailing the digital section circuitry, first half.

Digital Section Schematic (2/2)

Digital Section Schematic Connections (Part 2)

Schematic diagram detailing the digital section circuitry, second half.

Main Section Schematic (1/3)

Main Section Schematic Connections (Part 1)

Schematic diagram for the main section, first part.

Main Section Schematic (2/3)

Main Section Schematic Connections (Part 2)

Schematic diagram for the main section, second part.

Main Section Schematic (3/3)

Main Section Schematic Connections (Part 3)

Schematic diagram for the main section, third part.

Display Section Schematic Diagram

Display Section Schematic Connections

Schematic diagram detailing the display section circuitry.

Video Board Schematic Diagram

Video Board Schematic Connections

Integrated Circuit Block Diagrams

Digital IC Block Diagram (LC89056W-E)

Main IC Block Diagrams (STK350-230, µPC2581V-S)

IC Pin Function Descriptions

System Control IC Pin Functions (IC1601)

IC Pin Function Descriptions (Continued)

IC1601 Pin Functions (System Control)

Electrical Parts List

Electrical Parts List: ICs and Transistors

Electrical Parts List: Resistors (Digital)

Electrical Parts List: Display and Headphone Components

Electrical Parts List: Main Board Components

Electrical Parts List: Main Board Capacitors and Diodes

Electrical Parts List: Main Board Transistors and ICs

Electrical Parts List: Main Board Resistors (Continued)

Electrical Parts List: Power and Standby Components

Electrical Parts List: Video and Volume Components