Kenwood KRF-V7050D-S Service Manual

70%
AUDIO VIDEO SURROUND RECEIVER
© 2001-2/B51-5702-00 (K/K) 2148
A SPEAKERS B
STANDBY
POWER
MULTI CONTROL
LISTEN MODE SOUND SOURCE DIRECT
AUTO/CINEMA EQBAND MEMORY
INPUT SELECTOR
VOLUME CONTROL
UPDOWN
PROLOGIC 3 STEREO CS5.1
DOLBY
DIGITAL
DTS
INPUT MODESET UP
S VIDEO V L – AUDIO – R
AV AUX
DIMMER MONITOR
PHONES
ON/STANDBY
ON OFF
Illustration is KRF-V7050D(M).
* Refer to parts list on page 35.
KRF-V5050D/V5050DE/V5050D-S/V5550D-S/
KRF-V6050D/V6050D-S/V7050D/V7050D-S/
KRF-X9050D/X9050D-S
SERVICE MANUAL
GREEN
ORANGE
GRAY
SURROUND SPEAKERS
FRONT SPEAKERSCENTER SPEAKER
BLUE
FRONT SPEAKERS
(8 ~ 16 )
RED
DVD
VIDEO 1 VIDEO 2
VIDEO 3
AC OUTLETS
50/60Hz
AC110-120V/220-240V
SWITCHED
TOTAL 90W MAX.
CD/DVD
OPTICAL
VIDEO3
OPTICAL
DIGITAL IN
VIDEO 2
COAXIAL
CENTER
R
A
LC
LR
LR
B
GND
PLAY IN PLAY IN PLAY IN
VIDEO 1 VIDEO 2 VIDEO 3
SUB WOOFER
PRE OUT
REC OUTPLAY IN
MONITOR
REC OUTPLAY INREC OUT
MD / TAPE
CD / DVDPHONO
AUDIO
PLAY IN PLAY IN PLAY INREC OUTPLAY IN
MONITOR
OUT
S VIDEO
VIDEO 1
DVD
R
L
SYSTEM
CONTROL
VIDEO 2 IN
VIDEO 1 IN VIDEO 3 IN
CD/DVD
DVD
MONITOR
OUT
VIDEO 1
OUT
GND
ANTENNA
AM
DVD / 6CH. INPUT
SUB
WOOFER
FRONT
SURROUND
75 s
AM 10kHz
FM 100kHz
50 s
AM 9kHz
FM 50kHz
DE-
EMPHASIS
CHANNEL
SPACE
(8 ~ 16 ) (8 ~ 16 )
(8 ~ 16 )
FM
75
AC 220-
240V~
AC 110-
120V~
Knob *
(K29-)
Knob(BUTTON) *
(K27-)
Front glass *
(B10-)
Knob *
(K29-)
Panel *
(A60-)
Phone jack
(E11-0272-05)
Knob *
(K29-)
Knob *
(K29-)
Knob *
(K29-)
Knob *
(K29-)
Cylindrical receptacle
(E56-0033-05)
Pin jack
(E63-1172-05)
Pin jack
(E63-0127-05)
Pin jack
(E63-1139-05)
Metallic cabinet *
(A01-)
Pin jack x2
(E63-1143-05)
Screw terminal board *
(E70-)
Pin jack
(E63-1146-05)
Pin jack
(E63-1144-05)
Lock terminal board
(E70-0128-05)
AC power cord *
(E30-)
Miniature phone jack
(E11-0293-05)
AC outlet *
(E03-)
AC power cord bushing
(J42-0083-05)
Cylindrical receptacle x2
(E56-0011-05)
Optical receiving module
(W02-2802-05)
Pin jack
(E63-1080-05)
Slide switch
(S62-0001-05)
Slide switch
(S62-0034-05)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299

Kenwood KRF-V7050D-S Specifications

General

Brand	Kenwood
Model	KRF-V7050D-S
Category	Receiver
Language	English

Summary

Accessories Overview

Accessory Components List

Lists and describes the included accessories such as antennas, remote control, and batteries.

Operating Cautions and Reset Procedures

Microcomputer Reset Procedure

Procedure to reset the microcomputer for normal operation after malfunctions.

Circuit Description: System Functions

Initial and Backup Functionality

Details initial state values and backup mode behavior upon power loss.

Tuner Destination Configuration

Lists tuner configurations based on destination and port types.

Circuit Description: Microprocessor Interface

Microprocessor Periphery Block Diagram

Overview of connections between the microprocessor and its peripheral components.

Circuit Description: Microprocessor Pinout (Part 1)

Microprocessor Pin Description (Part 1)

Detailed description of microprocessor pins and their functions (1-45).

Circuit Description: Microprocessor Pinout (Part 2)

Microprocessor Pin Description (Part 2)

Detailed description of microprocessor pins and their functions (46-100).

Circuit Description: Interfaces and Test Mode

Interface Ports and Test Mode Operation

Details on specific interface ports and test mode entry procedures.

PC Board Component Views

PC Board Identification and Layout Diagrams

Visual identification and component placement diagrams for various PC boards.

Schematic Diagrams

Detailed Electronic Circuit Schematics

Provides detailed electronic circuit diagrams for the receiver's functions.

Exploded View: Unit Components

Unit Component Identification and Assembly

Visual breakdown of the unit's components for assembly and reference.

Parts List: KRF-V5050D Series

KRF-V5050D, V5050DE, V5050D-S Parts

List of parts for KRF-V5050D, V5050DE, and V5050D-S models.

Parts List: KRF-V6050D and V7050D Series

KRF-V6050D, V6050D-S Parts

List of parts for KRF-V6050D and V6050D-S models.

KRF-V7050D, V7050D-S Parts

List of parts for KRF-V7050D and V7050D-S models.

Parts List: KRF-V5550D-S and X9050D Series

KRF-V5550D-S Parts

List of parts for the KRF-V5550D-S model.

KRF-X9050D, X9050D-S Parts

List of parts for KRF-X9050D and X9050D-S models.

Parts List: Capacitors and Resistors

Capacitor and Resistor Part Listings

Listings for various capacitors, resistors, and related components.

Parts List: Connectors and Power Components

Connector and Power Supply Part Listings

Listings for connectors, fuses, and power supply related components.

Parts List: Integrated Circuits (ICs)

Integrated Circuit (IC) Part Listings

Listings for various integrated circuits, including analogue and digital ICs.

Parts List: Miscellaneous Components

Miscellaneous Component and Module Listings

Listings for miscellaneous parts like wire clamps, connectors, and opto-electronic modules.

Specifications: Audio Section (Europe)

European Audio Section Specifications

Technical details for audio performance for European models.

Specifications: Audio & Digital/Video Sections

European Audio Section Details

Further technical details for European audio performance.

Digital and Video Section Specifications

Technical specifications for digital audio and video sections.

Specifications: Other Countries Audio & Sections

Other Countries Audio Section Details

Technical details for audio performance in other countries.

Digital, Video, Tuner, and AM Specs

Technical specifications for digital, video, tuner, and AM sections.

Specifications: Tuner, AM, General, and Dimensions

Tuner, AM, and General Specifications

Technical details for tuner, AM, general power, and dimensions.