Kenwood M A300 Service Manual
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STEREO POWER AMPLIFIERM-A100/A300SERVICE MANUAL © 1997-6/B51-5321-00 (K/K) 3668 POWER AMPLIFIER POWER -ON ÐOFF SPEAKERS(6-16W) SPEAKERS (6-16W) +- CONNECT WITH AV CONTROL CENTER FRONT CENTER R R +- C LLUNSWITCHED SW FRONT SURROUNDWOOFERSUB SURROUND Knob (K27-2211-04) Escutcheon * (B07-) Indicator (B12-0308-04) Panel * (A60-) Foot x2 * (J02-) Dressing panel * (A21-) Lock terminal board (E70-0046-05) Look terminal board (E70-0046-05) AC power cord * (E30-) Rectangular receptacle (E58-0018-05) Metallic...
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M-A100/A3002 CONTENTS / ACCESSORIES ContentsCONTENTS / ACCESSORIES....................................2 DISASSEMBLY FOR REPAIR.....................................3 ADJUSTMENT.............................................................4 PC BOARD..................................................................5SCHEMATIC DIAGRAM..............................................9 EXPLODED VIEW.....................................................15 PARTS...
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M-A100/A300 3 DISASSEMBLY FOR REPAIR ..... 2 1 11 1 1 1 1 1 1 1 1 1 1 1 2 2 x3 x2 x2 x2 x2 x2 1 11 1 1 1 2 2 1. Remove the 17 screws ( 1), then remove main PCB. 2. Stand the set with right side downward, then connect the GND of the PCB (X07) (A/4) and the rear panel and the chassis with 2 alligator clips2. 1p~3p/19p~22p 97.6.2 4:11 PM y[W 3
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M-A100/A3004 ADJUSTMENT No.ITEMINPUT SETTINGSOUTPUT SETTINGTUNER SETTINGSALIGNMENT POINTSALIGN FORFIG.q1r¦IDLE CURRENT |Connect a DC voltmeter across CN11(L) CN12(R) CN15(CENTER) CN16(SURROUND) (X07-)Volume : 0VR1(L) VR2(R) VR5(CENTER) VR6 (SURROUND) (X07-)(L, R) 17.6mV (CENTER, SUR- ROUND) 13.2mV q1r |Connect a DC voltmeter across CN11(L) CN12(R) CN13(CENTER) CN14(SW) CN15(SL) CN16(SR) (X07-)Volume : 0VR1(L) VR2(R) VR3(CENTER) VR4(SW) VR5(SL) VR6(SR) (X07-)(L, R) 17.6mV (CENTER, SW, SL, SR) 13.2mV ¦IDLE...
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ACEG IBDFHJ 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view) 56 1p~3p/19p~22p 97.6.2 4:20 PM y[W 5
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KLNPRT MOQS 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD(Component side view)78 1p~3p/19p~22p 97.6.2 4:23 PM y[W 7
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X XXX X XXX ( )) () () () ( ) (( )( )( )( ) X X X X XX X DC BA 1 2 3 4 5 6 7 8 9 10 12 17 16 15 141311R104 100 C106 220PC105 100 R103 220PC104 100 R102 220P 100 R101 C108 220P 100 R106 C107 100 R105 220P 14 GND(B) GND(+15V) 13MUTE 12SW POW. RET 11SW POWER 10DG 9SRch 8GND 7SWch 6SW OUT 5GND 4Rch 3AG 2AG 1FRONT RELAY 11 POWER RETURN 125 8 PROTECTION 9 CS RELAY 10Cch 6 GND 7SLchAG 3Lch 4 GND1AG 2 K2 C103 220P P1 0.01C77 0.01C45 0.01C78 RETURNPOWER PROTECTIONMUTE CS RELAY FRONT RELAYSWchDG SRchAG SLchGNDCch...
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X XX X X X XX XX X X XXX X X FAN X XX XX XX X X X X X XXXXX XXXX IC1 BA D C 5 3 41 2 5 2 13 4 47 1/4WR107 47 1/4WR101 L1 100 R113 VR1 220 1/4W R119 2.7K 620 R125 C101 0.01 W201C211 470 R131 1 2 10K R143 10K R13710 1/4W 3.9 R149 C107 0.047C113 R155 2W R133 470 100 0.047C115 47 1/4WR109 220VR3 R115 47 1/4WR103 1/4WR157 1 R127 3 4 5 1/4W 2 R139 1 2 620 C103 0.01 2W 10 3.9 R151 2.7K R121 4 2 5 13 L3 C213 C109W203 R145 10K 10K R135 470 100 47 1/4WR111 0.047C117 220VR5 R117 1/4WR105 R153 1/4WR159 R129 3 4...
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Parts with the exploded numbers larger than 700 are not supplied.
613
615
601
Fx2
Fx2Gx2
Gx2Hx2
x6F
Fx2
Fx2
Fx2
Fx2 F
F
F
F F
Hx2
Hx2
Gx2
Cx2 Gx2
X07
(D/4)
X07
(C/4) X07
(B/4) X11
(D/4)
X11
(C/4)
X07-2920-22
(A/4)
X11
(B/4) X11-3770-22
Fx3 Gx2
Fx2
Fx2
Fx3J
Ex16Fx2 Gx2
Gx2 Gx2J
J K J
Gx2Gx2GG
G
745 G
D
J D
D
C
G GG
G
G
G
AG
704 F
F
F
F
617
632614
643
627x2
627x2
630629
624636
628x2
630
702
755x2
746
706
752752
635
746
630x4
620
609 640
603608
605
721
733734
733
746
746 756...
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M-A100/A300 PARTS LIST New Parts Parts without Parts No.are not supplied. Les articles non mentionnes dans le Parts No.ne sont pas fournis. Teile ohneParts No.werden nicht geliefert. Ref. NoAdd- ressNew PartsDescriptionDesti- nationRe- marksParts No. L :ScandinaviaK : USAP : CanadaR :Mexico Y : PX(Far East, Hawaii)T : EuropeE : EuropeG :Germany Y : AAFES(Europe)X : AustraliaM : Other AreasQ :Russia indicates safety critical components. New Parts Parts without Parts No.are not supplied. Les articles non...