KENWOOD KRFVR406
Service Manual

KRF-V4530D/V5030D/V6030D/VR-405/406/414
CONTENTS / ACCESSORIES /CAUTIONS
Contents
CONTENTS / ACCESSORIES / CAUTIONS............. 2 CONTORLS ................................................................3 BLOCK DIAGRAM ......................................................5 CIRCUIT DESCRIPTION ............................................6 ADJUSTMENT ............................................................8 PC BOARD .............................................................. 10 SCHEMATIC DIAGRAM .......................................... 17 EXPLODED VIEW ....................................................33 PARTS LIST..............................................................34 SPECIFICATIONS ....................................................46

Accessories
FM indoor antenna (1) (T90-0836-05) AM loop antenna (1) (T90-0852-05) *AC plug adaptor (1) (E03-0115-05) *Use to adapt the plug on the power cord to the shape of the wall outlet. (Accessory only for regions where use is necessary.) For VR-405, VR-414, KRF-V5030D, and KRF-V4530D Remote control unit (1) Batteries (R6/AA) (2) (A70-1328-05): RC-R0509 (A70-1329-05): RC-R0510(E,T type)

For VR-406 and KRF-V6030D Remote control unit (1) Batteries (R6/AA) (2) (A70-1330-05): RC-R0609 (A70-1331-05): RC-R0610(E type)

Battery cover (A09-1178-08)

Battery cover (A09-1178-08)

Cautions
Copy from instruction manual.

The manual covers the VR-407, VR-406, VR-405, VR-414, KRFV7030D, KRF-V6030D, KRF-V5030D, and KRF-V4530D. Items such as functions, number of jacks, and remote control details differ somewhat between these models. To confirm the functions available on the model you have purchased, refer to the table below. Model name VR-407 KRF-V7030D VR-406 KRF-V6030D Remote Control Terminal Speaker out VIDEO 3 jacks Equipped Front input Equipped

Memory back up function
Please note that the following items will be deleted from the unit's memory if the power cord is disconnected from the AC outlet for approximately 3 days. � Power mode. � Input selector settings. � Device preset. � Picture output. � Speaker ON/OFF � Volume level. � BASS, TREBLE, INPUT level. � Subwoofer ON/OFF. � Dimmer level. � Monitor ON/OFF. � MD/TAPE settings. � 6CH/2CH input setting. � Listen mode setting. � Speaker settings. � Input mode setting. � Midnight mode setting. � Broadcast band. � Frequency setting. � Preset stations. � Tuning mode.

RC-R0609 2 systems (A, B) RC-R0609 2 systems (A, B)

Not equipped Not equipped Not equipped Not equipped

VR-405/414 RC-R0509 1 system KRF-V5030D/ V4530D

This manual is divided into four sections, Preparations, Operations, Other, and Remote Control.

Resetting the Microcomputer
If the microcomputer may malfunction (unit cannot be operated, or shows an erroneous display) if the power cord is unplugged while the power is ON, or due to some other external factor. If this happens, execute the following procedure to reset the microcomputer and return the unit to its normal operating condition. � Please note that resetting the microcomputer will clear the contents of the memory and returns the unit to the state it was in when it left the factory.

Remote Control (Separate booklet) (VR-407/VR-406/KRFV7030D/KRF-V6030D only)
Includes the �Quick Start Guide,� which shows you how to operate other components using the remote control, as well as a detailed explanation of all remote control operations. Once you have registered your components with the proper setup codes, you�ll be able to operate both this receiver and your other AV components (TV, VCR, DVD player, LD player, CD player, etc.) using the remote control supplied with this receiver.

VIDEO 2/MONITOR jacks (for VR-406/405/414/KRFV6030D/V5030D/V4530D)
The receiver�s VIDEO 2/MONITOR jacks can be used in two different ways. Make the appropriate setting for the component connected to the jack when the receiver is turned on. Use as a VIDEO 2 jack You can connect a video deck or the like to these jacks and perform video playback and recording. The initial factory setting is �VIDEO 2�. Use as a MONITOR jack You can connect a cassette deck or the like to these jacks and make use of the deck�s monitoring function during recording. Alternately, you can connect a graphic equalizer to these jacks to apply compensation to the music signal. To use the VIDEO 2/MONITOR jacks as MONITOR jacks, hold down the MONITOR key of the main unit for more two seconds so that the indication shown below appears.

For U.S.A. and Canada Unplug the power cord from the wall outlet, then plug it back in while holding down the POWER key. For other countries With the power cord plugged in, turn the POWER key OFF. Then, while holding down the ON/STANDBY key, press POWER.

Model vs PCB
MODEL
KRF-V4530D KRF-V5030D KRF-V5030D KRF-V5030D KRF-V5030D-S

ABB POWER SUPPLY POWER AMP E4 E1 T5 Y5 I5
X00-3000-20 X00-3000-20 X00-3000-20 X00-3000-20 X00-3000-20 X07-3142-71 X07-3142-71 X07-3140-51 X07-3142-91 X07-3142-71 X07-3140-21 X07-3140-21 X07-3140-71 X07-3142-71 X07-3140-10 X07-3140-10 X07-3140-11 X07-3140-11 X07-3132-72 X07-3130-22 X07-3130-22 X07-3130-72 X07-3132-72 X07-3130-11 X07-3130-11

PREAMP
X08-3010-11 X08-3010-11 X08-3010-11 X08-3010-11

DISPLAY
X14-7122-72 X14-7122-72 X14-7122-72 X14-7120-22

MONITOR

KRF-V5030D-S E3 KRF-V5030D-S M5 KRF-V5030D-S X5 KRF-V5030DE VR-405 VR-405
SP A B TI.VOL CLIP MUTE RDS EON PTY TP TA NEWS

X08-3010-11 X14-7122-72 X08-3010-11 X14-7120-22 X08-3010-21 X14-7120-22 X08-3010-11 X14-7120-72 X08-3010-11 X14-7122-72 X08-3010-10 X14-7120-11 X08-3010-10 X14-7120-11 X08-3010-10 X14-7120-11 X08-3010-10 X14-7120-11 X08-3010-10 X14-7122-71 X08-3010-10 X14-7120-21 X08-3010-21 X08-3010-10 X08-3010-10 X08-3010-10 X14-7120-21 X14-7120-71 X14-7122-71 X14-7120-10

E2 K5 P5 K4 P4

L
LFE

C

R
SW

FM AUTO SOUND DIGITAL AUTO AM PRO LOGIC S.DIRECT MEMO MHz 3 STEREO MONITOR ST. kHz DOWN MIX DSP TUNED

VR-414 VR-414

LS

S

RS

KRF-V6030D E6 KRF-V6030D-S I6 KRF-V6030D-S KRF-V6030D-S KRF-V6030DE VR-406 VR-406

2

� At the same time the setting is switched to �MONITOR,� the audio input source switches to tuner and the video input source switches to VIDEO 1. � To switch the setting back to �VIDEO 2,� once again hold down the MONITOR key for two seconds or more.

M6 X6 E7 K6 P6

X08-3010-10 X14-7120-10