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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 KDCX679 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 4 (click to view)
Ref. No. Q10,11 Q12 Q13,15,16 Q17,18 Q19~21 Application / Function SERVO+B AVR (Panel Mecha) SW for IC7 FL&ILL AVR AUDIO 10.5V AVR Pre-Amp -9V AVR to OP Amp for Pre-out. Q22 and 24 works as a differential amplifier, Q23 works as a driver and +9.4V is supplied Q22~24 Q25,26 Q27,30 Q28,29 Q31 Q32 Q33,34 Q35 Q36 Q37,38 Q39 Q40 Q41,42 Pre-Amp +9V AVR to OP Amp for Pre-out. P-ANT SW P-CON SW P-CON Protection Ex Amp Control Buffer Small lamp det SW SERGE Det. BU det ACC det Pre-out mute driver Sub-out mute driver AC-out mute driver AM+B SW When Q32âbase goes Hi, Q32 is turned on. When Q33âbase goes Hi, IC4 is changed into a standby state. When Q35âbase gose Hi, Q27 is turned on. When Q36âbase gose Hi, Q29 is turned on. When a base gose Lo, mute driver is turned on. When a base gose Lo, mute driver is turned on. When a base gose Lo, mute driver is turned on. When Q42âbase gose Hi, AM+B is out. DSI lights when the base is âLâ. Q44 DSI Driver DSI turns off when the base is âHâ. DSI turns on and off when panel is taken off. Q45,46 Q47~52 Q56,57 Q58,59 Q60 Panel 5V SW Pre-out mute SW AC-out mute SW Sub-out mute SW Level meter mute SW When Q46âbase gose Hi, PANEL 5V is out. When a base gose Hi, Pre-out is muted. When a base gose Hi, AC-out is muted. When a base gose Hi, Sub-out is muted. When a base gose Hi, Level meter is muted. When Q23âbase goes Hi, P-ANT SW outputs 14V. When Q30âbase goes Hi, AVR outputs 14V. Protect Q27 by turning on when P-CON output is grounded. Operation / Condition / Compatibility When Q10âbase goes Hi, S+B AVR outputs 8.5V. When Q12âbase gose Lo, IC7 is turned on. When Q13â2pin goes Hi, ILL AVR outputs 10.5V. When Q16âbase goes Hi, AVR outputs 10.5V. Q19 and 21 works as a differential amplifier, Q20 works as a driver and -9.1V is supplied


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