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JVC RX-807VTN

JVC RX-807VTN
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RX-807VTN
JVC
SERVICE
MANUAL
arcoMPu
tn
ers
Contents
Safety
Precautions
........................
1-2
Internal
Wiring
of
FL
Display
...............
1-36
Instruction
Book
.....................--06-
1-3
Block
Diagrams
.............0..
0c
c
cece
1-38
Disassembly
Procedures
...................
1-20
Power
Amplifier
Adjustment
Procedures
....
1-22
Connection
Diagram
.......................
Insertion
FM/AM
Tuner
Alignment
Procedures
........
1-23
Schematic
Diagrams
...............0.-0.000-
Insertion
Description
of
Major
LSIs
...................
1-24
Printed
Circuit
Boards
..............2.......
Insertion
Internal
Block
Diagram
of
other
ICs
.........
Te26.
UP
arts
ist:
ertesss
tent
aes
Separate-Volume
Insertion
cu
i
i‘n¢‘n¢n¢+n¢
tt
No.
20333
Mar.
1992
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JVC RX-807VTN Specifications

General IconGeneral
Channels5.1
Speaker load impedance8 ohms
Video Connectionscomposite, S-Video
Weight12.5 kg
Power Output100 watts per channel
Tuning rangeFM
Frequency Response10 Hz - 100 kHz
Input Sensitivity200 mV
Inputs1 x phono
Outputs1 x headphone

Summary

Safety Precautions

Instruction Book Overview

Important Notes

Installation, power handling, and malfunction precautions for the stereo system.

Rear Panel Connections

Audio Component Connections

Video Component Connections

Front Panel Controls Overview

Remote Control Unit Operation

External Panel Controls

Details on using buttons on the remote's external panel for basic functions.

Internal Panel Controls

Information on accessing advanced programming and control functions on the internal panel.

Basic Operation Guide

Before Operating

Pre-operation checks including component connection and remote sensor usage.

Multi Cursor Keys Usage

Explains how to use cursor keys for navigation and control across different sources.

Using the Sleep Timer

Instructions on setting the sleep timer to automatically turn off the receiver.

Listening to AMFM Broadcasts

Tuning in a Station

Procedures for tuning AM and FM radio stations using the receiver.

Presetting Stations

Guide on storing favorite AM/FM stations into memory for quick access.

Auto Memory Tuning

How to automatically scan and preset radio stations based on signal strength.

Using the SEA Graphic Equalizer

Recalling Preset Patterns

How to select and use pre-programmed or custom sound equalization patterns.

Creating SEA Patterns

Steps to adjust frequency bands and save custom equalization settings.

SEA Recording

Instructions for recording SEA-corrected audio onto a tape deck.

Entering Characters and Recording

Entering Characters

How to name SEA preset patterns and tuner channels using the front panel.

Dubbing Tapes

Procedures for copying audio between different tape decks or sources.

Surround Sound Playback

Speaker Layout Example

Recommended speaker placement for optimal surround sound effect.

Dolby Pro Logic Surround

Explanation of the Dolby Pro Logic decoder and its sound enhancement capabilities.

CSRP Feature Operation

Output Level Balance Adjustment

Adjusting rear and center speaker levels for maximum surround effect.

Delay Time Adjustment

Setting the delay time for rear speakers relative to front speakers.

CSRP Presetting Procedure

How to store volume, surround, and SEA settings for each source.

Compu Link System Features

Equipment Remote Control

Controlling JVC components via the receiver's remote sensor.

Automatic Source Selection

How the receiver automatically selects input sources for connected components.

Synchronized Recording

Permitting tape decks to start recording automatically with CD players or turntables.

AV Compu Link System

One-Touch Video Playback

Automatically powering on and playing video tapes by loading them into the VCR.

AV System Power ONOFF

Coordinating power states between the receiver, TV, and VCR.

Operating Source Equipment

CD Player Operation

Using the remote to control CD playback functions like play, stop, and track skipping.

VCR Operation

Controlling VCR playback, recording, and tape winding functions.

Cassette Deck Operation

Operating the tape deck functions such as play, rewind, and fast-forward.

Disassembly Procedures

Top Cover Removal

Step-by-step instructions for removing the unit's top cover.

Front Panel Removal

Guide on how to detach the front panel from the receiver.

FL Display PCB Removal

Procedures for removing the FL display circuit board.

Bottom Plate Removal

Steps to remove the bottom plate from the receiver.

Power Transistor Removal

Instructions for removing power transistors from the main and center amplifiers.

Rear Amplifier Removal

Guide on how to remove the rear amplifier module.

Removing Circuit Boards

Power Amplifier Adjustment Procedures

Idling Current Adjustment

Setting the idling current for the power amplifier stages.

Surround Effect Waveform Confirmation

Verifying surround effect waveforms by connecting an oscilloscope.

FMAM Tuner Alignment Procedures

FM Section Alignment

Procedures for aligning the FM oscillator, antenna coil, and detector circuits.

MW Section Alignment

Steps for aligning the MW oscillator, antenna coil, and trimmer circuits.

LW Section Alignment

Procedures for aligning the LW oscillator, antenna coil, and trimmer circuits.

Major LSI Descriptions

LSI Terminal Layout

Pinout diagram and terminal functions for major integrated circuits.

LSI Key Matrix

Mapping of key inputs to the internal matrix for IC461.

Tuner Control IC Details

Tuner Control IC Terminal Layout

Pinout diagram and layout for the LC6514B-4131 IC.

Tuner Control IC Key Matrix

Key matrix mapping for the LC6514B-4131 IC.

Tuner Control IC Pin Functions

Detailed pin function descriptions for the LC6514B-4131 IC.

Internal IC Block Diagrams

Display Filter IC Block Diagram

Block diagram for the XR1091DCP (IC432) display filter IC.

Decoder IC Block Diagram

Block diagram for the TC74HC154P (IC462) decoder IC.

PLL Synthesizer IC Details

PLL Synthesizer Function Descriptions

Main functions of the LC7218 (IC102) PLL synthesizer IC.

PLL Synthesizer Terminal Layout

Pinout diagram for the LC7218 (IC102) PLL synthesizer IC.

PLL Synthesizer Block Diagram

Block diagram illustrating the internal structure of the LC7218 IC.

FMAM IF AMP IC Details

FMAM IF AMP Function Descriptions

Main functions of the LA1266A (IC104) FM/AM IF AMP IC.

FMAM IF AMP Block Diagram

Block diagram of the LA1266A (IC104) FM/AM IF AMP.

FM MPX Detector IC Details

FM MPX Detector Function Descriptions

Main functions of the LA3401 (IC105) FM MPX Detector IC.

FM MPX Detector Terminal Layout

Terminal layout for the LA3401 (IC105) FM MPX Detector IC.

FM MPX Detector Block Diagram

Block diagram of the LA3401 (IC105) FM MPX Detector IC.

Digital Delay IC Details

Digital Delay IC Operation

Explanation of the M50198P (IC651) Digital Delay IC's operation.

Digital Delay IC Block Diagram

Block diagram of the M50198P (IC651) Digital Delay IC.

AD Converter and Shift Register IC Details

AD Converter IC Details

Terminal layout, block diagram, and function table for the A/D Converter IC.

Shift Register IC Details

Terminal layout and function table for the Shift Register IC.

SEA Control and Inverter IC Details

SEA Control IC Details

Terminal layout, block diagram, and pin functions for the SEA Control IC.

Inverter IC Details

Terminal layout for the Inverter IC.

Video Selector and Dolby Pro Logic IC Details

Video Selector IC Details

Terminal layout and function table for the Video Selector IC.

Dolby Pro Logic IC Details

Block diagram for the Dolby Pro Logic IC.

FL Driver and Electro-volum IC Details

FL Driver IC Details

Terminal layout and pin functions for the FL Driver IC.

Electro-volum IC Details

Terminal layout and block diagram for the Electro-volum IC.

Power Amplifier, Protector, and Super-A IC Details

Power Amplifier IC Details

Block diagram for the Power Amplifier IC.

Protector IC Details

Terminal layout and block diagram for the Protector IC.

Super-A IC Details

Terminal layout and block diagram for the Super-A IC.

FL Display Wiring Information

FL Display Terminal Layout

Pinout and layout of the FL display's terminal connections.

FL Display Pin Assignment

Mapping of pins to grid and anode segments for the FL display.

Grid-Anode Assignment Details

Grid-Anode Assignment A

Assignment of signals to grid-anode pins for section A of the FL display.

Grid-Anode Assignment B

Assignment of signals to grid-anode pins for section B of the FL display.

Grid-Anode Assignment C

Assignment of signals to grid-anode pins for section C of the FL display.

System Block Diagrams

Signal Flow Block Diagram

Overall signal path diagram showing audio and control signal flow.

Connection Diagram

Connection Diagram (Continued)

Schematic Diagrams: Source Select & SEA

Schematic Diagrams: Power Amplifier Section

Schematic Diagrams: Video and Delay Circuits

Schematic Diagrams: System Control and FL Display

Schematic Diagrams: Tuner Section

Printed Circuit Board Layouts

ENC-093 PCB Layout

Component placement and routing diagram for the ENC-093 circuit board.

ENH-204 PCB Layout

Component layout diagram for the ENH-204 Power Amplifier and Power Supply PCB.

ENB-155 PCB Layout

Component placement diagram for the ENB-155 System Control & FL PCB.

ENA-095 PCB Layout

Component layout diagram for the ENA-095 Tuner PC Board.

Parts List Overview

General Exploded View

An overall visual breakdown of the unit's components and their part numbers.

Printed Circuit Board Parts Lists

Lists of parts specifically for the main circuit boards (ENH, ENC, ENA, ENB).

Accessories List

List of included accessories such as manuals, warranty cards, and cables.

Detailed Parts List: Components

Troubleshooting

Specifications

Related product manuals