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AUDIO-VIDEO SURROUND RECEIVER
KRF-V4070D/V4070D-S/V5070D/V5070D-S
KRF-V5570D/V5570D-S/V6070D/V6070D-S
VR-705/705-S/707/715/715-S/716

SERVICE MANUAL

Knob *
(K29-)
STANDBY
ON STANDBY
SPEAKERS ON OFF
DIMMER
POWER
ON
OFF
ACTIVE EQ
PHONES
Knob(BUTTON) *
Phone jack
(K27-)
(E11-0271-05)
Metallic cabinet *
(A01-)
Tuner ass'y *
(W02-)
GND
ANTENNA
FM
AM
75Ω
VIDEO
DVD
MONITOR
IN
OUT
L
VIDEO 2
IN
R
REC OUT PLAY IN
AUX
CD / DVD
VIDEO 1
VIDEO 1
MD / TAPE
IN
OUT
Pin jack
(E63-1291-05)
Pin jack
Pin jack
(E63-1314-05)
(E63-1321-05)
Illust. is KRF-V4070D.
* Refer to parts list on page 29.
Front glass *
(B10-)
LISTEN MODE
ACTIVE EQ
DTS
DOLBY DIGITAL
INPUT MODE
BAND
AUTO
MEMORY
Knob *
(K29-)
Miniature phone jack
(E11-0293-05)
Pin jack
(E63-1080-05)
COAXIAL
VIDEO 2
DVD
SYSTEM CONTROL
DIGITAL IN
AUDIO
REC OUT PLAY IN
PLAY IN
DVD
VIDEO1
VIDEO 2
Pin jack
(E63-1301-05)
Pin jack
(E63-1301-05)
Panel *
(A60-)
MULTI CONTROL
INPUT SELECTOR
SOUND
SET UP
Knob *
Knob *
(K29-)
(K29-)
Optical receiving module
(W02-2802-05)
Lock terminal board
(E70-0156-05)
OPTICAL
CD / DVD
FRONT
CENTER
SURROUND
SPEAKERS
SPEAKER
SPEAKERS
(8-16Ω)
(8-16Ω)
(8-16Ω)
+
+
-
-
R
L
C
R
L
SUB WOOFER
RED
WHITE
GREEN
GRAY
BLUE
PRE OUT
SPEAKERS(6~16Ω)
Pin jack
Lock terminal board
(E63-1146-05)
(E70-0175-05)
© 2003-1 PRINTED IN KOREA
B51-5840-00 (K/K) 3471
Knob *
(K29-)
VOLUME CONTROL
DOWN
UP
MUTE
Knob *
(K29-)
AC outlet *
AC power cord *
(E03-)
(E30-)
SWITCHED
TOTAL 90W MAX.
AC OUTLETS
AC power cord bushing
(J42-0349-05)
70%

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Table of Contents
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Questions and answers

Summarization of Contents

Accessories and Cautions
Unit Accessories List
Lists remote controls, antennas, batteries, and plug adapters included with the unit.
Microcomputer Reset Procedure
Instructions for resetting the microcomputer to restore normal operation.
Memory Backup Function Details
Details data cleared from memory when power is disconnected for an extended period.
Front Panel Controls and Indicators
Power, Standby, and System Controls
Describes the function of power, standby, and system control buttons on the front panel.
Audio Selection and Mode Controls
Explains the operation of volume, input selector, and sound mode controls.
Exploded View of Unit Assemblies
Major Unit Assemblies Identification
Visual breakdown of the unit's construction and major sub-assemblies.
Parts List - Miscellaneous and Cabinet Components
Cabinet, Panel, and Accessory Parts
Lists metallic cabinets, panels, screws, and various accessories like protection bags.
Remote Control Assemblies
Details the part numbers for different remote control units supplied with the receiver.
Parts List - Small Components and Hardware
Knobs, Buttons, and Fixtures
Lists various knobs, buttons, and mounting fixtures used throughout the unit.
Cords, Cables, and Adapters
Lists power cords, flat cables, and AC plug adapters.
Parts List - Electronic Components (Part 1)
Capacitors, Resistors, and Fuses
Lists various capacitors, resistors, and fuses with their part numbers and specifications.
Integrated Circuits (ICs) - General
Details common integrated circuits like op-amps, logic ICs, and voltage regulators.
Parts List - Electronic Components (Part 2)
Diodes, Transistors, and Specialized ICs
Lists diodes, transistors, specialized ICs, and modules used in the unit.
Optic Module, Switches, and Special Components
Specifies the optic receiving module, switches, and other specific components.
Parts List - Model Application Information
Model to Part Number Cross-Reference
Table mapping specific models to part numbers for major assemblies and boards.
Technical Specifications - US/Canada and Digital Sections
Audio Specifications (US/Canada)
Detailed audio performance metrics for US and Canadian models, including power and distortion.
Digital Audio, Video, and Tuner Specifications
Technical data for digital audio inputs, video signal handling, and FM/AM tuner performance.
Technical Specifications - Other Countries and General
Audio Specifications (Other Countries)
Audio performance data for models outside North America, including power and distortion.
General Unit Specifications
General specifications including power consumption, dimensions, and net weight of the unit.

Table of Contents

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