HK 3700 - Harman Kardon Audio Service Manual (repair manual). Page 2

Introduction

3

HK 3700/3770

thank you for purchasing the Harman Kardon® HK 3700/3770 stereo receiver with 
which, you are about to begin many years of listening enjoyment. the HK 3700/3770 
stereo receiver has been custom-designed to provide excitement and power of the 
cinema experience in your living room.
to obtain maximum enjoyment from your new soundbar speaker system, we urge you 
to take a few minutes to read through this manual, which:

•  contains a description of the features of HK 3700/3770 stereo receiver
•  Lists the items included in the box
•  describes the HK 3700/3770 stereo receiver and its components
•  Includes step-by-step instructions that will help you set up and get started 

with the HK 3700/3770 stereo receiver

In addition, a few minutes spent learning the functions of the various controls will allow 
you to take advantage of all the power and refinement of the HK 3700/3770 stereo 
receiver.
CONTACT US: If you have any questions about HK 3700/3770 receiver, its installation 
or its operation, please contact your retailer or custom installer, or visit our website at:
 www.harmankardon.com

Harman Kardon heritage and brand legacy has been its two-channel audio for many 
years. 
as more and more audio content comes from multiple digital-based sources, such as a 
‘smart’ tV, smartphone or tablet, playback convenience becomes the driving factor in 
entertainment while sound quality remains the foundation of Harman Kardon. the new 
Harman Kardon HK stereo receivers try to bring the best of both the worlds: beautiful 
two channel stereo sound and latest digital-based sources access. 
the following are the features and benefits of the Harman Kardon 3700/3770 stereo 
receivers:

•  Harman Kardon sound — this has been the foundation of the brand for 

many years. High power high current capability with stable power output 
even with variation of the load impedance of the speaker drivers. 

•  connectivity — HK stereo receivers feature the best of both the worlds: 

classic analog inputs including phono input, FM/aM radio as well as new 
digital connectivity with bluetooth, network dLna, vtuner internet radio, 
uSb, iOS direct thru uSb with built in superior dac and optical digital input. 

•  distinctive and elegant design — based on the current design and chassis 

of aVR1x1 series. 

•  advance remote control — the new stereo receivers also support iOS 

and android app to fully control the stereo receiver from Harman Kardon 
Remote app for maximum ease and enjoyment. 

the HK 3700/3770 stereo receiver consists of the following accessories:  

•  System remote control

•  ezSet/eQ™ microphone

Harman Kardon

HK 3700 Service Manual

Page 2 of 109