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JVC RX-750VBK User Manual

JVC RX-750VBK
75 pages
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JVC RX-750VBK Specifications

General IconGeneral
Power Output100 watts per channel into 8Ω (stereo)
Channels2
Frequency Response10Hz to 50kHz
Total Harmonic Distortion0.007%
Input sensitivity (MM)2.5 mV
Input sensitivity (line)200mV
Signal to noise ratio (line)90 dB
Input Impedance47 kΩ
Tuning rangeFM
Video ConnectionsComposite video input/output
Power Output (alternative)100 W per channel (8 ohms)
Dimensions (alternative)430 x 150 x 320 mm
Weight (alternative)8 kg
Speaker load impedance8 ohms
Speaker Impedance8 ohms

Summary

Safety Precautions

Leakage Current Check

Procedure for checking electrical shock hazards after assembly.

ANTENNAS

FRONT PANEL Controls

POWER Control and Standby Indicator

Explains the POWER button and the STAND BY indicator function.

Front Panel Operations

SEA Controls

Details SEA PRESET and SEA LEVEL adjustment controls.

Audio and Tape Operations

Audio Input and Sound Features

Covers audio inputs, sound processing, tape dubbing, balance, mute, volume, and phono cartridge settings.

REMOTE CONTROL UNIT (RM-SR750)

Remote Power and Standby Operations

Covers remote power control and standby mode.

REMOTE CONTROL UNIT (RM-SR950) Functions

Remote Power and Standby

Covers remote power control and standby mode.

SPECIFICATIONS

Amplifier Section Specifications

Details output power, distortion, sensitivity, frequency response, and S.E.A. specs.

TUNER SECTION SPECIFICATIONS

Technical Explanations

Removal Procedures

Component Removal Steps

Step-by-step guides for removing front panel, tuner board, bracket, and transistors.

PC Board Checking Procedures

Procedures for checking pre-amplifier and power amplifier PC boards.

Adjustment Procedures

FM/AM Tuner Board Adjustments

Covers discriminator distortion, FM tuning, sensitivity, muting, and signal strength.

Stereo Adjustments

Covers stereo distortion and separation adjustments.

AM Tuner and Power Amplifier Adjustments

Covers AM tuning, idling current, and power supply switching circuit adjustments.

IC Functions and LCD Precautions

LCD Panel Handling Precautions

Provides guidelines for safely handling LCD panels.

Servicing Method for Wires

Internal Block Diagrams of Major ICs

Schematic Diagram of Remote-control (RM-SR750)

PARTS LIST

Main Parts Location

Identifies major components on the unit's front, top, and rear views.

Exploded View and Parts List

Shows an exploded view and lists parts.

Printed Circuit Board Assemblies and Parts

Lists parts for various PC board assemblies.

Schematic Diagrams

Block Diagram

Provides an overall block diagram of the system.

Section Schematics

Shows detailed schematics for Tuner, Logic, Pre-Amplifier, and Power Amplifier sections.

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