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JVC AV4300
Service Manual


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

Description of JVC AV4300 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.

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Text excerpt from page 25 (click to view)
AV-4300 AV-5000 2.4.3 Stadium Surround Check
Ad justment Procedure 1. Set to SURROUND : STADIUM " Check that the following waveforms are obtained (Input signal (1) and (2)). " Front : Chec k that the phas es of R and L are different and 400Hz is superimposed on 5kHz. The amplitudes of R and L are different. " Rear : Check that the phas es of R and L are opposite and 400Hz is superimpos ed on 5kHz. The amplitudes of R and L are different.

2.4.6 Concert Hall Surround / Monaural Check
Ad justment Procedure " Check that the following waveforms are obtained (Input signal (1) only).
" Front: The phas es of R and L are different. The amplitudes

are different.
" Rear: The phas es of R and L are opposite. The amplitudes

of R and L are equal.

No te: The monaural check c an be omitted. Amplitude levels of front R and L are not even depending on the P.W.B. Center has no output. Note: Center has no output.

2.4.7 Dolby Pro-logic Che ck
Ad justment Procedure 1. Set to DOLBY PROLOGIC " Check that the following waveforms are obtained (Input signal (1) and (2)).
" Front : 400Hz is superimpos ed on 5kHz. " Rear : R and L are the same signal and 400Hz is

2.4.4 Stadium Surround/Monaural Check
Ad justment Procedure
" Check that the following waveforms are obtained.

(Input signal (1) only)
" Front: R and L waveforms are almost equal. " Rear: R and L waveforms are almost Zero.

superimposed on 5kHz.

No te: Center has no output.

No te: MODE is PROLOGIC (NORMAL)

2.4.5 Conc ert Surround Check
Ad justment Procedure 1. Set to SURROUND: CONCERT HALL. (Input signal (1) and (2)).
" Front: Check that the phases R and L signals are different

2.4.8 Dolby Pro-logic / Monaural Check
Ad justment Procedure " Check that the following waveforms are obtained (Input signal (1) only).
" Front: Almost no output from both R and L. " Center: Same as the audio input signal. " Rear: Almost no output from R and L.

and 400 Hz is superimposed on 5kHz.
" Rear: Check that the R and L are opposite and 400Hz is

superimposed on 5kHz.The R and L amplitudes are equal.

No te: Amplitude levels of front R and L are not even depending on P.W.B. Center has no output.

No. 51876

25

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