Kenwood KAC-8401 Service Manual
Kenwood kac-8401 power amplifier service manual
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- Instruction manual (13 pages) ,
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- Instruction manual (14 pages)
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Summary of Contents for Kenwood KAC-8401
- Page 1 POWER AMPLIFIER KAC-8401 SERVICE MANUAL © 2003-2 PRINTED IN JAPAN B53-0041-00 ( N ) 3379 Heat sink (F01-1728-11) Dressing panel (A21-4270-03) Panel (A64-3053-02) Rear panel (A84-0347-02) Connecting cord assy Accessory Screw set (E30-6144-05) (W01-1606-05) (N99-1587-05)
- Page 2 KAC-8401 ADJUSTMENT INPUT OUTPUT RECEIVER ALIGNMENT ITEM ALIGN FOR FIG. SETTINGS SETTINGS SETTINGS POINTS Connect an VR5 (A Lch) After Power on DC voltmeter between VR6 (A Rch) IDLE CURRENT VOLUME : 0 2 minutes chack land A, B VR7 (B Lch) 2.5mV...
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Page 3: Idle Current
KAC-8401 PC BOARD (FOIL SIDE VIEW) AUDIO UNIT X09-5610-10 A/2 (J74-1513-11) C111 C209 C212 C112 IDLE CURRENT : 2.5mV C211 C210 C109 R287 DC Voltmeter R289 C110 W100 W210 W197 W140 W211 W198 BLch R323 R271 R37 R38 W506 R275... - Page 4 KAC-8401 X09-5610-10 Address Address R37 R38 S D G S D G S D G C309 W524 W402 W502 W501 R327 R325 C157 C159 C163 W275 R169 ALch X09 B/2 R291 C165 R173 R191 Q115 Q109 Q117 ALch R175 R321...
- Page 5 KAC-8401 (X09-5610-10) (A/2) D101 15.8V (2/4) IC1(1/4) IC2(3/4) C115 R129 R131 R109 10u16 C121 10u16 R107 R125 R133 15.8V IC2(4/4) R111 C131 C123 IC7(2/4) 10u16 C103 R329 10u16 C100 R137 C117 R141 1000P 2.2K 0.33 R100 C171 4700P R138 C118...
- Page 6 KAC-8401 R169 2.7K -5.0V C173 R171 R321 R177 C167 4700P 2.7K 14.8V Q109 Q115 R183 R149 Q111 R155 R150 8.2K 1.5K C159 VR3 10K Q101 R151 C151 R165 10u16 Q103 MUTE 1.5K R185 C161 Q105 Q107 Q117 R179 Q113 0.01 15.8V...
- Page 7 KAC-8401 2SA1534A 2SC1627A 2SA733(A) 2SC1845 2SA817A 2SC3940A 14.3V 2SA992 2SC945(A) -5.0V 10u16 28.5V R14 4.7K R28 10K 2.4V R17 10K 5.0V 5.0V 6.8K 2SA1695 0.3V 5.0V R15 680 0.46V 5.0V 3.3V C6 1000P 14.2V R16 16K 3.8V 14.2V 14.2V 47u16...
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Page 8: Exploded View
KAC-8401 EXPLODED VIEW (X09-) (B/2) M4x8 : N09-4026-05 3x10 : N09-6117-05 M4x10 : N09-6128-05 FLAT WASHER( : N15-1040-46 3x10(BLK) : N80-3010-45 : N82-2006-46 : N83-3006-46 3x12(BLK) : N83-3012-45 : N89-3006-46 3x8(BLK) : N89-3008-45 3x12 : N09-6118-05 : N09-6135-05 M6x6 : N07-0003-08... -
Page 9: Parts List
16WV CE04DW0J101M ELECTRO 100UF 6.3WV C226 CK73GB1H102K CHIP C 1000PF CE04DW1H221M ELECTRO 220UF 50WV C228 CE04DW1C100M ELECTRO 10UF 16WV E1 : KAC-8401 (For Europe) K : KAC-8401 (For North America) Indicates safety critical components. M1 : KAC-8401 (For Other Areas) - Page 10 J 1/10W R161,162 RK73GB2A101J CHIP R J 1/10W RK73GB2A103J CHIP R J 1/10W R163,164 RK73GB2A102J CHIP R 1.0K J 1/10W E1 : KAC-8401 (For Europe) K : KAC-8401 (For North America) Indicates safety critical components. M1 : KAC-8401 (For Other Areas)
- Page 11 2SD1819A TRANSISTOR R309,310 RK73GB2A301J CHIP R J 1/10W 2SA1534A(R,S) TRANSISTOR R311,312 RK73GB2A362J CHIP R 3.6K J 1/10W 2SB1218A TRANSISTOR E1 : KAC-8401 (For Europe) K : KAC-8401 (For North America) Indicates safety critical components. M1 : KAC-8401 (For Other Areas)
- Page 12 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.