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PIONEER A407R
Service Manual


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

Description of PIONEER A407R 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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Text excerpt from page 22 (click to view)
A-407R

6. ADJUSTMENTS
6.1 IDLE CURRENT ADJUSTMENT
¶ CAUTION : Heatsinksâ (Q323âQ326) DC level is equal to +B or -B. Donât touch them or you will be electricary chocked. 1. Connect the measuring instrument as Fig.6-1. (R415 or R416) 2. Set the VOLUME CONTROL to minimum, BASS TONE CONTROL to center, TREBLE TONE CONTROL to center and BALANCE CONTROL to center. Set VR301 and VR302 to minimum. 3. Set the POWER switch to ON. 4. Adjust VR301 (VR302) so that the voltage between both sides of R415 (R416) becomes 16mV±1mV. (Within 10 seconds from when the relay is turned ON) 5. Ages for 7 minutes. 6. Adjust VR301 (VR302) so that the voltage between both sides of R415 (R416) becomes 11mV±1mV.

DC Voltmeter

DC Voltmeter

AF ASSY

SIDE A

R415 R413 W150 Heat Sink VR301 R417 W212

R416 R414

Heat Sink

VR302 Heat Sink

Heat Sink

CN204

Fig.6-1 Adjustment Method

22

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A-407R PIONEER
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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