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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

Front Panel Overview
Front Panel Component Identification
Identifies front panel controls, jacks, and indicators with part references.
Accessories and Cautions
Unit Accessories
Lists included accessories like remote controls, antennas, and batteries.
Operational Cautions
Important notes on microcomputer reset and memory backup functions.
System Diagrams
Interconnection Diagram
Illustrates the signal flow between major internal units and external interfaces.
PC Board Layouts
PC Board Layout X25-6520-12
Component layout for the X25-6520-12 printed circuit board.
PC Board Layout X08-3130-10 (Side A/B)
Component layout for the X08-3130-10 printed circuit board, sides A and B.
PC Board Layout X08-3230-10 (Side A/B)
Component layout for the X08-3230-10 printed circuit board, sides A and B.
PC Board Layout X08-4780-10 A/2
Component layout for the X08-4780-10 A/2 printed circuit board.
PC Board Layout X14-7650-10 A/2
Component layout for the X14-7650-10 A/2 printed circuit board.
Schematic Diagrams
Main Schematic Diagram
Detailed electrical circuit diagram for the main unit.
Schematic Diagram with Safety Notes
Detailed circuit diagram, including safety precautions for component replacement.
Schematic Diagram Details
Continues the detailed electrical circuit diagrams for the unit.
Schematic Diagram Section
Further detailed electrical circuit diagrams for the unit.
Schematic Diagram Section
Continued detailed electrical circuit diagrams for the unit.
Schematic Diagram Section
Further detailed electrical circuit diagrams for the unit.
Schematic Diagram Section
Further detailed electrical circuit diagrams for the unit.
Component Lists
Component Details and Transistor Lists
Lists specific component details and transistor types used in the unit.
Parts List - Capacitors and Resistors
Lists various types of capacitors and resistors with part numbers and specifications.
Parts List - Resistors, Diodes, and ICs
Lists resistors, diodes, integrated circuits, and modules with part numbers.
Parts List - Fuses, Coils, and Diodes
Lists fuses, coils, transformers, and various types of diodes with part numbers.
Specifications
Audio and Digital Specifications
Details performance metrics for audio playback and digital signal processing.
Tuner and General Specifications
Covers FM/AM tuner sensitivity and general unit characteristics like power consumption.
Audio, Tuner, and General Specifications
Provides detailed specifications for audio, tuner sections, and general unit parameters.

Table of Contents

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