Kenwood KAC-6401 Service Manual
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Kenwood KAC-6401 Service Manual

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POWER AMPLIFIER
KAC-6401

SERVICE MANUAL

Connecting cord assy
(E30-6144-05)
Fuse
(F52-0014-05)
Accessory
(W01-1606-05)
© 2002-11 PRINTED IN JAPAN
B53-0007-00 ( N ) 3379
Heat sink
(F01-1726-01)
Dressing panel
(A21-4267-02)
LINE INPUT SIDE
SPEAKER OUTPUT SIDE
Screw set
(N99-1587-05)

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Summary of Contents for Kenwood KAC-6401

  • Page 1: Service Manual

    POWER AMPLIFIER KAC-6401 SERVICE MANUAL © 2002-11 PRINTED IN JAPAN B53-0007-00 ( N ) 3379 Heat sink (F01-1726-01) Dressing panel (A21-4267-02) LINE INPUT SIDE SPEAKER OUTPUT SIDE Fuse (F52-0014-05) Accessory Screw set Connecting cord assy (W01-1606-05) (N99-1587-05) (E30-6144-05)
  • Page 2 KAC-6401 ADJUSTMENT INPUT OUTPUT RECEIVER ALIGNMENT ALIGN ITEM FIG. SETTINGS SETTINGS SETTINGS POINTS Connect a cassette receiver or CD receiver. Connect a DC IDLE voltmeter across VOLUME : 0 VR3 (L ch) 2.5mV CURRENT each resistor VR4 (R ch) R189 (A-Lch)

  • Page 3: Pc Board (Foil Side View)

    PC BOARD (FOIL SIDE VIEW) X09-5660-10 AUDIO UNIT Address Address X09-5660-10 (J74-1547-01) R138 W240 W324 R182 W323 R145 W237 W233 R142 R141 R187 R189 R192 R183 R186 W236 W232 R193 R196 W231 W235 R160 R161 R164 R165 R190 R191 R194 W198 R195 W201...
  • Page 4 AUDIO UNIT (X09-5660-10) 15.4V RIPPLE R150 FILTER R130 R151 INPUT BUFFER / 3.3K R173 ISOLATION AMPLIFIER 6.8K 15.4V IC1(4/4) IC3(1/2) IC1(1/4) 10u16 R174 5.6K 0.47 0.33 1.8K 10u16 R125 IDLE. ADJ. 5.6K 5.6K 3.3K 10u16 C127 R175 10K(A) R113 1.8K 4700P R69 560 100P...
  • Page 5 (exposed parts are acceptably insulated from the supply cir- cuit) before the appliance is returned to the customer. • DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments or/and units. KAC-6401...

  • Page 6: Exploded View (Unit)

    KAC-6401 EXPLODED VIEW (UNIT) (X09-) E x2 (X09-) (X09-) (X09-) 3x6 (BLK) : N89-3006-45 : N89-3008-46 VR2 VR1 3x12 : N87-3012-46 : N09-4214-08 2.6x10 : N09-4382-05 S1 S3 S4 S5 S2 3x10 (BLK) : N80-3010-45 M4x8 (BLK) : N09-4026-05 2.6x6...

  • Page 7: Parts List

    KAC-6401 PARTS LIST ✽ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No. Description Ref. No.
  • Page 8 KAC-6401 PARTS LIST ✽ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. AUDIO UNIT (X09-5660-10) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No.
  • Page 9 KAC-6401 PARTS LIST ✽ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. AUDIO UNIT (X09-5660-10) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No.

  • Page 10: Specifications

    KENWOOD ELECTRONICS GULF FZE KENWOOD ELECTRONICS UK LIMITED P.O. Box 61318, Jebel Ali, Dubai, U.A.E. Kenwood House, Dwight Road, Watford, Herts, WD18 9EB, United Kingdom KENWOOD ELECTRONICS (THAILAND) CO., LTD. KENWOOD ELECTRONICS DEUTSCHLAND GMBH 2019 New Pechburi Road, Bangkapi, Huaykwang, Bangkok, 10320 Thailand Rembrücker-Str.

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