Kenwood KRF-V4530D/5030D/6030D/VR-405/406/414 Service Manual

About this manual

This service manual covers Kenwood’s KRF-V4530D, KRF-V5030D, KRF-V6030D, VR-405, VR-406, and VR-414 audio/video surround receivers. It includes circuit descriptions, adjustment procedures, and component details. The manual also explains remote control functions and differences between models. It references the KRF-V7030D service manual for circuit details where needed.

What's inside

• Contents
• Accessories
• Cautions
• Controls
• Block Diagram
• Circuit Description
• Adjustment
• Remote Control
• Display Indicators
• Power Supply

Frequently asked questions

What happens to the receiver's memory if the power cord is disconnected for approximately 3 days?

The following items will be deleted from the unit's memory: 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, and Memory back up function.

How do you switch the VIDEO 2/MONITOR jacks from VIDEO 2 to MONITOR mode?

To use the jacks as MONITOR jacks, hold down the MONITOR key of the main unit for more two seconds so that the MONITOR indication appears.

What is the procedure to reset the microcomputer if the unit malfunctions?

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.