Kenwood KAC-X40 Service Manual
  1. Manuals
  2. Brands
  3. Kenwood Manuals
  4. Amplifier
  5. KAC X40 - eXcelon Amplifier
  6. Service manual
Kenwood KAC-X40 Service Manual

Kenwood KAC-X40 Service Manual

Hide thumbs Also See for KAC-X40:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Training Manual, Instruction Manual
POWER AMPLIFIER
KAC-X40

SERVICE MANUAL

K type only
Dressing Panel
(A21-6571-01) : K type
(A21-6572-01) : M type
Fuse (25A)
(F52-0014-05)
Accessories
(W01-1606-05)
© 2006-12 PRINTED IN JAPAN
B53-0485-00 ( N ) 719
Screw set
(N99-1794-05)
This product uses Lead Free solder.

Advertisement

Table of Contents
loading

Related Manuals for Kenwood KAC-X40

Summary of Contents for Kenwood KAC-X40

  • Page 1: Service Manual

    POWER AMPLIFIER KAC-X40 SERVICE MANUAL © 2006-12 PRINTED IN JAPAN B53-0485-00 ( N ) 719 Dressing Panel (A21-6571-01) : K type (A21-6572-01) : M type K type only Fuse (25A) (F52-0014-05) Accessories Screw set (W01-1606-05) (N99-1794-05) This product uses Lead Free solder.

  • Page 2: Block Diagram

    KAC-X40 BLOCK DIAGRAM (X08-433) POWER AMP Q280,283 Q241 H.P.F ISO-AMP MUTE (40-200Hz) H.P.F SEL. SENS. POWER AMP Q282,284 Q242 H.P.F ISO-AMP MUTE (INV) (40-200Hz) MONO IC10 IC3,4 H.P.F BASS ISO-AMP (40-200Hz) BOOST L.P.F SENS. (40-200Hz) IC10 IC3,4 H.P.F BASS ISO-AMP...
  • Page 3 KAC-X40 COMPONENTS DESCRIPTION AUDIO UNIT (X09-8580-10) Ref. No. Application / Function Operation / Condition / Compatibility Rch input signal amplification (+6dB) and noise reduction in transmission Rch input buffer at side A and isolation quality at side A Lch input signal amplification (+6dB) and noise reduction in transmission...

  • Page 4: Pc Board (Foil Side View)

    KAC-X40 PC BOARD (FOIL SIDE VIEW) B Lch 2.0mV A Rch 2.0mV AUDIO UNIT X09-8580-10 A/2 (J76-0344-11) DC voltmeter DC voltmeter D403 Q415 W673 R437 R913 R429 Q417 C419 R431 R914 C421 C930 R439 W668 W665 C929 R918 IDEL AR...
  • Page 5 KAC-X40 A Lch 2.0mV DC voltmeter X09 B/2 IDEL AL R249 C600 X09-8580-10 W651 Ref. No. Address Ref. No. Address W653 W652 Q284 Q220 Q225 R259 Q401 C215 Q402 R673 Q223 R247 Q403 R251 R675 Q404 R246 R245 Q405 Q406...

  • Page 6: Pc Board (Component Side View)

    KAC-X40 PC BOARD (COMPONENT SIDE VIEW) PREAMPLIFIER UNIT X08-4330-10 (J76-0352-12) R204 R248 R255 R203 MONO R253 R247 R246 R245 R243 R244 R219 R225 R226 C208 C207 R221 MONO R202 R201 C301 R304 R305 R303 X08-4330-10 R308 Ref. No. Address R109...
  • Page 7 KAC-X40 PC BOARD (FOIL SIDE VIEW) PREAMPLIFIER UNIT X08-4330-10 (J76-0352-12) TP22 TP26 TP72 TP73 TP74 TP106 TP75 TP71 TP100 TP70 TP147 TP54 TP105 TP57 TP56 TP76 TP136 TP58 TP77 TP135 TP55 TP30 TP59 TP85 TP84 TP83 TP82 TP50 TP81 TP78...
  • Page 8 KAC-X40 AUDIO UNIT (X09-8580-10) (A/2) +15V +15V TP23 TP63 C103 R170 C127 (1/2) R101 10u50 1.5K TP65 TP66 (2/2) R109 C115 10u50 R107 12K R125 10K R201 R111 10K C131 100P C100 7P TP68 TP69 TP24 R909 1K TP74 TP75...
  • Page 9 KAC-X40 +15V +B-1 TP57 Q223 R233 15.6V TP58 R912 35.5V R241 C929 Q211 0.01 R237 Q209 TP37 2.2K C117 C217 Q215 C209 TP38 C201 R267 Q201 Q203 10u50 R213 R273 C930 Q217 R239 0.01 2.2K -15.6V TP59 R235 D253 R915...
  • Page 10 Q606 TP51 TP52 TP45 TP46 TP47 TP48 2SK246 TP149 R628 2.2K TP124 Q685 R683 Q684 R684 KAC-X40 (1/2) IC1-4,6 : BA4560RF : 2SK246(BL)-F D1,2 : RM4ZLF-J4NF : TL494IDR Q201-204,209,210,217, D3,207 : UDZS5.1B 218,401-404,409,410, D4,7-9,11,152,203-206, : 2SD2012-F 417,418 : 2SA992-A(F,E) 210,211,251,260,261,...
  • Page 11 MONO/ST ISO-BL KAC-X40 (2/2) CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.

  • Page 12: Exploded View

    KAC-X40 EXPLODED VIEW M6,AU : N07-0003-08 M4,AU : N09-4214-08 φ3x12 : N09-6216-05 M4x12 : N09-6432-05 φ2x8 : N80-2008-43 φ3x10 : N80-3010-43 φ2x5 : N82-2005-43 φ2x6 : N82-2006-48 φ3x12 : N83-3012-48 φ3x6 : N89-3006-43 φ3x8 : N89-3008-48 φ3x16 : N89-3016-48 φ3x8 : N09-6135-05 φ3x14...

  • Page 13: Parts List

    CC73GCH1H070D CHIP C 7.0PF R246,247 RK73GB2A103J CHIP R J 1/10W C41-48 CC73GCH1H070D CHIP C 7.0PF C101-104 CK73GB1H104K CHIP C 0.10UF R248 RK73GB2A473J CHIP R J 1/10W K : KAC-X40 (North America) M1 : KAC-X40 (Other Areas) Indicates safety critical components.
  • Page 14 7.0PF C611 CD04BJ1H100M ELECTRO 10UF 50WV C131-134 CC73GCH1H101J CHIP C 100PF C616 CD04BJ1H100M ELECTRO 10UF 50WV C150 CD04BJ1H220M ELECTRO 22UF 50WV C617 CK73GB1H104K CHIP C 0.10UF K : KAC-X40 (North America) M1 : KAC-X40 (Other Areas) Indicates safety critical components.
  • Page 15 R201 RK73GB2A302J CHIP R 3.0K J 1/10W R422 RK73EB2E472J CHIP R 4.7K J 1/4W R203,204 RK73GB2A433J CHIP R J 1/10W R423,424 RK73GB2A151J CHIP R J 1/10W K : KAC-X40 (North America) M1 : KAC-X40 (Other Areas) Indicates safety critical components.
  • Page 16 RK73GB2A472J CHIP R 4.7K J 1/10W D101 LM1MA142WK-G DIODE R643 RK73GB2A224J CHIP R 220K J 1/10W R644 RK73GB2A272J CHIP R 2.7K J 1/10W D102 LM1MA142WA-G DIODE K : KAC-X40 (North America) M1 : KAC-X40 (Other Areas) Indicates safety critical components.
  • Page 17 2SC4081 TRANSISTOR 2SA1576A TRANSISTOR 2SK246 (BL) -F Q201-204 2SA992-A (F,E) TRANSISTOR Q205-208 2SC1845-A (F,E) TRANSISTOR Q209,210 2SA992-A (F,E) TRANSISTOR Q211,212 2SA1576A TRANSISTOR Q215,216 2SC1845-A (F,E) TRANSISTOR K : KAC-X40 (North America) M1 : KAC-X40 (Other Areas) Indicates safety critical components.

  • Page 18: Specifications

    Weight ............4.6kg (10.2lbs) Frequency Response (+0, -3dB) ......5Hz~70kHz Sensitivity (rated output) (MAX.) ........0.2V Sensitivity (rated output) (MIN.) ........5.0V KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. INSTALLATION...

Table of Contents