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KENWOOD KRFX7775D
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.
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This manual is very good. 303 pages scanned in a very high resolution. My camera has bad, leaking capacitors which all of the V5000 models are suffering from these days. There is a huge part list with all capacitors, transistors etc. in this manual which helped me a lot. Otherwise I would not have been able to buy replacement parts. The dissassembly guide is very enormous and detailed. Unlike on the Panasonic MS1 manual I downloaded here it actually looks like the real parts look. And the screws are labeled correctly, so you shouldn't have any left after the repair. ;)
 TX-SA805 ONKYO Service Manual by bruce molyneux;
has all the schematics you could need,and very well laid out format also has all part numbers along with an exploded view which is helpful
 AMIGO DYNACORD Service Manual by Tommy Johnsen;
Very nice to have! Now it is no problem to understand how it is put together. Helps me a lot.
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Très-très bon site, facile, très bon prix. Au futur besoin, je n’hésiterais à faire appel à vous. Merci

Text excerpt from page 7 (click to view)
KRF-X7775D/X7775D-S/VR-5080/5090
CIRCUIT DESCRIPTION
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

Protection

Fan

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

Vol. IC TC9459N
X11,IC8

97~99

1,2

94,95

88 78~82

Mute Circuit X08,IC43

Vol. IC TC9459N
X11,IC10

73,74

Sub u-Com uPD784224K507

Vol. IC TC9459N X11,IC12 Vol. IC TC9459N
X11,IC35

65,66

X13, IC3 Main Microcomputer uPD784217A516
3~7 36

TEXT UART
X25,J201 SL16

X25,ED1 FL X25,IC1

Vol. IC TC9459N
X11,IC34

FL Driver uPD780204
Power/Input Down Key X25 Panel Key

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

48,60

54

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 SEL.

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

7

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KRFX7775D KENWOOD
Owner's Manual

Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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