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Home >> KENWOOD >> KRFX7775D Service Manual
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Service Manual

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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of KENWOOD KRFX7775D Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Customer Reviews
4 of 5 Stars! KRFX7775D KENWOOD Service Manual by H. Zeilstra;
Good product. All the information is invcluded, but due to the complexity of the amplifier, it still is difficult to get it to operation again.
Other Reviews
 TK3107 KENWOOD Service Manual by chang hws;
This is a high quality manual with clear schematic and components layout diagrams ; with service procedure included.
 KT990D KENWOOD Service Manual by Jon Jensen;
This service manual for the Kenwood KT-990D was reproduced really well ,is very legible and manual is complete.Combined with the low price paid,in the future,I will be checking any time I need a manual.
 LT-32DS6BJ JVC Service Manual by Joseph Gurling;
When I purchased this manual I had my doubts regarding the quality as the price was so reasonable as compared to other outlets. The manual itself is of high standard the print is very clear as are the diagrams. Obviously with the diagrams one has to zoom in otherwise it is to small to be able to read. Overall I am very pleased with the company who delivered as they said and with the manual they supplied. I occasionally require a manual and now having registered with this company I shall order from them in the future.
 R-600 KENWOOD Service Manual by Brian Stephenson;
I was at first dubious about payiong for downloaded manuals but having done so, I was extremely impressed with quality of the two manual I ordered, well worth the small price I paid. I would highly recommend these to my friends.
 SY330 TOSHIBA Service Manual by ENRICO BREDA;
reasonable price for the schematic - the service is perfect, all as expected and pointed by instructions - good scan of the original plans - thank you!

Text excerpt from page 7 (click to view)
5.Test Mode
5-1 Setting Method of the Test Mode
â¢Turn on the power supply while pressing the "INPUT SELECTOR DOWN" key, to make a set in test mode.

5-2 Canceling the Test Mode
â¢The system is initialized and the test mode is cancelled if unplug the AC power cord from an AC power wall outlet.

5-3 Contents of the Test Mode
â½ The following operation is available when the FL is all lighting up mode only. Key SOUND LISTEN MODE THX MEMORY Operation Set up the RF frequency to428MHz. Set up the RF frequency to422MHz. Indicated the tuner destination in the FL. Changed the dimmer off/1/2 cyclically. Display RF BAND RF BAND EX. TYPE E1 ALL FL Light ON

6. Main Microcomputer: uPD784217A516 (X13, IC3)
6-1 Main Microcomputer Periphery block diagram
X11(IC2/21) Selector IC NJU7312AM X11(IC3/22/24) Selector IC NJU7313AM X11,IC23 Selector IC NJU7311AM X11,IC6 X13,IC6 LCD Remote Cont. Transmitter IC uPD17215GF X13,IC5 Serial Parallel TC74HC164AF



X07,K6 PWR Relay X07,K1~k4 SP. Relay

Vol. IC TC9459N




88 78~82

Mute Circuit X08,IC43

Vol. IC TC9459N


Sub u-Com uPD784224K507

Vol. IC TC9459N X11,IC12 Vol. IC TC9459N


X13, IC3 Main Microcomputer uPD784217A516
3~7 36

X25,J201 SL16

X25,ED1 FL X25,IC1

Vol. IC TC9459N

FL Driver uPD780204
Power/Input Down Key X25 Panel Key

Tone Cont. IC TC9184AP
Model Type X05-513X, IC2
53 25~80



Destination SW Panel Door
KRF-X9995D VR-5900 only

Tuner Unit LC72131
X05-510X, IC2

58,59 25,26,30 93 8,10 REM2 50

PLL for Remote Control LV2105V
Except KRF-X9995D and KRF-X7775D X25,IC401 RF/IR IN SWITCH KRF-X9995D/ VR-5900 only

Rotary Encoder
X25,S19 Relay Cont.

Video Selector IC

X13(IC502,504,505) (IC603,604,701~703)


IR Receiver Except KRF-X7775D (M/X/V TYPE) and KRF-X9995D (M/X TYPE)


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