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Kenwood KAC-929 Service Manual

Kenwood kac-929 power amplifiers service manual
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See also: Instruction Manual
POWER AMPLIFIER
KAC-929

SERVICE MANUAL

SCREW SET
(N99-1587-05)
M A X I M U M P O W E R
POWER IN
SPEAKER
BRIDGED
OUTPUT
BATT.
P.CON
LEFT
ACCESSORY
(W01-1516-05)
© 2001-3 PRINTED IN KOREA
B51-7768-00 (K) 3380
STEREO/BRIDGEABLE
AMPLIFIER
KAC-929
RIGHT
POWER AMPLIFIER
CONNECTING CORD ASSY
(E30-4950-05)

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Summary of Contents for Kenwood KAC-929

  • Page 1: Service Manual

    POWER AMPLIFIER KAC-929 SERVICE MANUAL © 2001-3 PRINTED IN KOREA B51-7768-00 (K) 3380 STEREO/BRIDGEABLE AMPLIFIER KAC-929 M A X I M U M P O W E R POWER IN SPEAKER BRIDGED OUTPUT BATT. P.CON LEFT RIGHT POWER AMPLIFIER CONNECTING CORD ASSY...
  • Page 2 Q101,103,105, Q113,115,117,119, INPUT SENS. SPK. 107,109,111 121,123,125,127 ON/OFF OUTPUT ISOLATION DIFFERENTIAL B-CLASS B.BOOST EXPANDER INVERTER BUFFER MUTE AMPLIFIER STAGE STAGE EXP. ON/OFF BASS BOOST MIXER OFF/+6/+12 PASS Q102,104,106, Q114,116,118,120, INPUT SENS. 108,110,112 122,124,126,128 SPK. OUTPUT ISOLATION DIFFERENTIAL B-CLASS B.BOOST EXPANDER INVERTER BUFFER MUTE...

  • Page 3: Circuit Description

    KAC-929 CIRCUIT DESCRIPTION [Expander Circuit] Figure 2 shows the characteristics of the expander The expander circuit has been designed to expand amp used in this set. the range of audio. It shows that the effect described above is applied in...
  • Page 4 KAC-929 ADJUSTMENT INPUT OUTPUT RECEIVER ALIGNMENT ALIGN ITEM FIG. SETTINGS SETTINGS SETTINGS POINTS Connect a cassette receiver or CD receiver. Connect a DC voltmeter VR3 (L ch) IDEL CURRENT between CN2 VOLUME : 0 VR4 (R ch) 2.5mV (L/R) and J2 (X09-) (SP.OUT, L+/R-)
  • Page 5 PC BOARD (Component side view) Ref. No. Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 Q19 Q20 Q21 Q22 Q23 Q24 Q25 Q26 Q27 Q28 Q29 Add. Ref. No. Q30 Q31 Q32 Q33 Q101 Q102 Q103 Q104 Q105 Q106 Q107 Q108 Q109 Q110 Q111 Q112 Q113 Q114 Q115 Q116 Q117 Q118 Q119 Q120 Q121 Q122 Q123 Q124 Q125 Q126 Q127 Q128 Add.
  • Page 6 PC BOARD (Foil side view) Ref. No. Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 Q19 Q20 Q21 Q22 Q23 Q24 Q25 Q26 Q27 Q28 Q29 Add. Ref. No. Q30 Q31 Q32 Q33 Q101 Q102 Q103 Q104 Q105 Q106 Q107 Q108 Q109 Q110 Q111 Q112 Q113 Q114 Q115 Q116 Q117 Q118 Q119 Q120 Q121 Q122 Q123 Q124 Q125 Q126 Q127 Q128 Add.
  • Page 7 POWER AMP DETECTOR 3.3V Q114 DRIVER(Rch) R118 (Rch) 1/2W Q108 45.2V -45.2V TEMPERATURE COMPENSATOR 45.2V (Rch) KAC-929 SIGNAL LINE IC1-3 : NJM2060M Q21,22,28,31,32 D1-4,7-22,27,28,31-35, UPC494GS : SA571N : 2SA733(A)(Q,P) 37,38,40,45-52,55, GND LINE 2SA1123 2SC2631 2SB1565 SA571N CAUTION: For continued safety, replace safety critical...

  • Page 8: Exploded View

    KAC-929 EXPLODED VIEW φ4x8 N09-4026-05 φ2.6x10 N09-4382-05 φ3x6 N09-4488-05 FLAT WASHER N15-1040-46 φ2x8(BLK) N80-2008-45 φ3x10(BLK) N80-3010-45 φ3x13(BLK) N83-3013-45 φ3x12 N87-3012-46 φ2.6x6 N89-2606-46 φ3x6(BLK) N89-3006-45 φ3x8 N89-3008-46 (X09-) M6x10 N07-0003-08 M4x8 N09-4214-08 (X09-) (X09-5380-00) (X09-) (A/2) (X09-)(B/2) (X09-) KAC-929 Parts with exploded view numbers larger than 700 are not supplied.

  • Page 9: Parts List

    KAC-929 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. Dest Dest Ref.No. Parts No. Description inati Ref.No.
  • Page 10 KAC-929 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. Dest Dest Ref.No. Parts No. Description inati Ref.No.
  • Page 11 KAC-929 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. Dest Dest Ref.No. Parts No. Description inati Ref.No.

  • Page 12: Parts Descriptions

    KAC-929 PARTS DESCRIPTIONS...

  • Page 13: Specifications

    Weight ................4.6kg Signal to Noise Ratio ..........100dB Sensitivity (MAX) (rated output) ........0.2V KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. KENWOOD CORPORATION 14-6, Dogenzaka 1-chome, Shibuya-ku, Tokyo, 150-8501 Japan KENWOOD SERVICE CORPORATION KENWOOD ELECTRONICS ITALIA S.p.A.

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