Kenwood KAC-819 Service Manual
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Kenwood KAC-819 Service Manual

Kenwood KAC-819 Service Manual

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POWER AMPLIFIER
KAC-819

SERVICE MANUAL

Heat sink
(F01-1655-01)
Accessory
(W01-1515-05)
2001-1 PRINTED IN JAPAN
C
B51-7691-00 (4) 3376
Screw set
(N99-1587-05)

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Summary of Contents for Kenwood KAC-819

  • Page 1: Service Manual

    POWER AMPLIFIER KAC-819 SERVICE MANUAL 2001-1 PRINTED IN JAPAN B51-7691-00 (4) 3376 Heat sink (F01-1655-01) Accessory Screw set (W01-1515-05) (N99-1587-05)

  • Page 2: Circuit Description

    KAC-819 CIRCUIT DESCRIPTION SP P-CON Switching Circuit When the SP output from the head unit is connected to SP IN, the power can be switched ON/OFF based on the DC voltage of the SP output. However, As certain haed unit models output DC permanently or generate a click during switching OFF, it is required to provide the capability of previous P-CON switching.

  • Page 3: Pc Board (Component Side View)

    PC BOARD (Component side view) PC BOARD (Foil side view) AUDIO UNIT (X09-5360-10) AUDIO UNIT (X09-5360-10) X09-5360-10 A/4 X09-5360-10 A/4 (J74-1030-21) (J74-1030-21) (X09-5360-10) (X09-5360-10) Ref. No. Address Ref. No. Address R102 R102 R101 R101 R110 R110 R165 R165 R164 R104 R164 R104 R187...
  • Page 4 DETECTION CONTROL R168 (X09- ) (D/4) D101 KAC-819 CAUTION: For continued safety, replace safety critical components only with •DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual manufacturer's recommended parts (refer to parts list).

  • Page 5: Exploded View

    KAC-819 EXPLODED VIEW M4x8(BLK) N09-4026-05 φ3x10 N09-4157-05 M2.6x10 N09-4382-05 FLAT WASHER φ4 N15-1040-46 φ2x8(BLK) N80-2008-45 φ3x10(BLK) N80-3010-45 φ2.6x8(BLK) N80-2608-45 φ3x12 N87-3012-46 φ3x6(BLK) N89-3006-45 (X09-) φ3x6 N89-3006-46 M3x8 N07-0002-08 M6x12 N07-0003-08 M4x10 N09-4214-08 (X09-) (X09-) (X09-) (A/4) (X09-) (X09-) (C/4) (X09-)

  • Page 6: Parts List

    KAC-819 PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohane Parts No. werden nicht geliefert. Des- Des- Ref. No. Parts No. Description Ref. No.
  • Page 7 KAC-819 PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohane Parts No. werden nicht geliefert. Des- Des- Ref. No. Parts No. Description Ref. No.

  • Page 8: Specifications

    KAC-819 SPECIFICATIONS Audio Section Max Power Ouput (4Ω) ..................300W Max Power Ouput (2Ω) ..................450W Rated Power Output (4Ω) (20Hz ~ 200Hz, 0.08% THD) ............... 150W (DIN45324, +B =14.4V) ................150W Rated Power Output (2Ω) (100Hz, 0.8% THD) ..................230W Signal to Noise Ratio ..................

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