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POWER AMPLIFIER

KAC-859

SERVICE MANUAL

© 2000-5 PRINTED IN KOREA
B51-7626-00 (K) 3547

SUB

SUB

OUTPUT

POWER IN

GND

BATT

P.CON

FUSE (25Ax2)

BRIDGED

RIGHT

LEFT

SPEAKER

SPEAKER  LEVEL INPUT

RIGHT

LEFT

SPEAKER LEVEL INPUT

25

25

SELECTOR

INPUT

INPUT SELECTOR

LINE IN

GND

B.ch  HPF

A.ch  HPF

FREQUENCY(Hz)

SUB.CH LPF

SENSITIVITY(V)

SUB.CH INPUT

MONO(Lch)

STEREO

OPERATION

A

B

A

B

A

B

R

L

 5/4/3 CHANNEL

POWER AMPLIFIER

B

SUB

A

A

L

R

B

SUB

0.3

0.2(MAX)

0.5

1

2

3

4

(MIN)5

SENSITIVITY(V)

B.CH INPUT

0.3

0.2(MAX)

0.5

1

2

3

4

(MIN)5

SENSITIVITY(V)

A.CH INPUT

0.3

0.2(MAX)

0.5

1

2

3

4

(MIN)5

170

200

150

100

80

70

50

B

A

A

OFF

150Hz

80Hz

OFF

150Hz

80Hz

SCREW TERMINAL
BOARD
(E70-0828-05)

 (E type only)

(N99-1587-05)

SCREW SET

(W01-1515-05)

TERMINAL COVER SET

(W01-1530-05)

LEAD TERMINAL SET

DRESSING PANEL
(A21-4015-02)

HEAT SINK
(F01-1629-01)

SCREW TERMINAL
BOARD
(E70-0829-05)

SCREW TERMINAL
BOARD
(E70-0821-05)

FUSE

(E52-0014-05)

PIN JACK
(E63-0849-05)

(J type only)

DC CORD ASSY
(E30-4341-05)

40%

Summary of Contents for KAC-859

Page 1: ...5 4 3 CHANNEL POWER AMPLIFIER B SUB A A L R B SUB 0 3 0 2 MAX 0 5 1 2 3 4 MIN 5 SENSITIVITY V B CH INPUT 0 3 0 2 MAX 0 5 1 2 3 4 MIN 5 SENSITIVITY V A CH INPUT 0 3 0 2 MAX 0 5 1 2 3 4 MIN 5 170 200 150 100 80 70 50 B A A OFF 150Hz 80Hz OFF 150Hz 80Hz SCREW TERMINAL BOARD E70 0828 05 E type only N99 1587 05 SCREW SET W01 1515 05 TERMINAL COVER SET W01 1530 05 LEAD TERMINAL SET DRESSING PANEL A21 40...

Page 2: ...R dB INPUT LEVEL VOL IC1 L R SP SP HPF HPF IC4 1 4 IC4 2 4 S1 1 S1 2 R L 4 40W 80 150 OFF 1 4 IC5 MUTE Q101 102 SP R L SP IC5 2 4 S2 2 IC4 4 4 HPF IC2 IC4 3 4 HPF 80 150 OFF S2 1 R 40W MUTE Q201 202 4 L S4 S3 200mV R L 2 4 1 4 IC3 IC3 3 4 IC5 4 4 IC5 IC3 3 4 LPF IC3 4 4 INFRA MUTE 120W 4 SUB A B B A SUB FILTER CONVERTER DC DC BATT P CON T1 T2 Q1 6 Q307 S5 SUB AB 5 CH AMP BLOCK DIAGRAM LEVEL DIAGRA...

Page 3: ...orms switching by inhibiting the operation of the S P CON circuit when a voltage is applied to the P CON pin Circuit operation description When the head unit is connected to SP INN the DC component in the SP output turns Q2 ON through D8 and R16 When a voltage is applied to the P CON pin under this condition Q13 is turned ON via R44 positive feedback is applied by combination of Q13 and Q14 Q13 an...

Page 4: ...olume 0 A VR101 Lch VR102 Rch B VR201 Lch VR202 Rch After sufficient aging adjust to 2 0mV a 2 IDLE CURRENT Connect a DC voltmeter to CN7 in X08 4080 10 UNIT Volume 0 SUB VR401 After sufficient aging adjust to 2 0mV a BATT P CON GND X09 5330 10 X08 4080 10 SPEAKER OUTPUT SPEAKER LEVEL INPUT FUSE DC VOLTMETERS 2mV a 2mV a 2mV a 2mV a 2mV a 2mV L L R R VR102 A Rch VR202 B Rch VR101 A Lch VR401 IDLE ...

Page 5: ...403 R402 R415 R414 R412 R409 R408 R46 VR401 R31 R28 R33 R222 R124 R122 R121 R123 R225 R226 R103 W14 W46 W47 W60 W76 W94 W154 W117 W131 W143 W77 W57 W56 W73 W74 W59 W69 W64 W93 W78 W91 W81 W103 W104 W105 W106 W92 W79 W45 W98 W132 W133 W134 W135 W150 W151 W158 W159 W96 W97 W56 W113 W80 W90 W89 W95 W29 W70 W169 W122 W123 W138 W43 W136 W144 TH1 W128 W5 W18 W16 W35 W44 W19 W20 W15 W13 W11 W9 W3 W12 W10...

Page 6: ... R402 R415 R414 R412 R409 R408 R46 VR401 R31 R28 R33 R222 R124 R122 R121 R123 R225 R226 R103 W14 W46 W47 W60 W76 W94 W154 W117 W131 W143 W77 W57 W56 W73 W74 W59 W69 W64 W93 W78 W91 W81 W103 W104 W105 W106 W92 W79 W45 W98 W132 W133 W134 W135 W150 W151 W158 W159 W96 W97 W56 W113 W80 W90 W89 W95 W29 W70 W169 W122 W123 W138 W43 W136 W144 TH1 W128 W5 W18 W16 W35 W44 W19 W20 W15 W13 W11 W9 W3 W12 W10 W4...

Page 7: ...59 W53 W45 W37 W60 W54 W46 W38 W61 W71 W62 W55 W47 W39 W82 W95 W100 W40 W48 W63 W56 W72 W83 W96 W101 W137 W161 W163 W160 W213 W219 W301 W259 W242 W248 W240 W234 W194 W247 W166 W165 W253 W220 W32 W267 W262 W208 W227 W268 W304 TH1 W221 W222 W233 W239 W252 W245 W196 W20 W215 W24 W244 W231 W201 W250 W243 W232 W251 W249 W217 W216 W261 W49 W214 W226 W223 W263 W191 W138 W70 W99 W81 W94 W109 W108 W106 W10...

Page 8: ...37 W60 W54 W46 W38 W61 W71 W62 W55 W47 W39 W82 W95 W100 W40 W48 W63 W56 W72 W83 W96 W101 W137 W161 W163 W160 W213 W219 W301 W259 W242 W248 W240 W234 W194 W247 W166 W165 W253 W220 W32 W267 W262 W208 W227 W268 W304 TH1 W221 W222 W233 W239 W252 W245 W196 W20 W215 W24 W244 W231 W201 W250 W243 W232 W251 W249 W217 W216 W261 W49 W214 W226 W223 W263 W191 W138 W70 W99 W81 W94 W109 W108 W106 W105 W129 W130 ...

Page 9: ...C236 10P R259 100 R260 100 R106 10K C106 10P 10u35 C104 R104 1200P 10K 10u35 C102 1200P C103 R103 10K R108 10K R107 10K C101 C105 10P R105 10K 10P C112 C116 R118 6 8K C110 22P 3 2 6 8K R112 1 R122 82K 6 5 6 7 10u35 10P 8 2K R110 R114 6 8K R113 6 8K R1 1K C1 1000P 5 82K R123 R124 82K 8 6 8K 14 8 2K R109 13 C109 22P 12 R111 82K R117 6 8K C111 R121 7 100K R119 R116 6 8K C114 22P 100K R120 C113 22P C1...

Page 10: ...0u16 C2 3900u16 C3 T1 T2 R11 10 1 2W C11 1000P C12 1000P R12 10 1 2W 1000P 1000P 10 1 2W 10 1 2W R10 C6 C5 R9 Q9 11 2 2K R23 3300u35 C13 3300u35 C14 C8 2200u50 C7 2200u50 33K R28 33K R26 4 7K R6 75 R3 22 R2 4 7K R7 22 R5 0 015 C4 10 1 2W R8 470 R302 470 R303 470 R304 470 R305 470 R306 470 R307 470 R308 470 R309 470 R310 470 R311 470 R312 470 R313 470 R314 470 R315 470 R316 470 R317 470 R318 470 R3...

Page 11: ...2 05 N87 3012 46 N88 3012 46 N15 1040 46 N09 4216 08 N09 4214 08 N07 0003 08 N09 4378 05 A A A D J Bx2 A A A A A Bx6 Ex2 Fx3 Kx8 Lx8 Mx2 Fx3 Fx3 Fx3 Fx3 Fx4 Fx3 Fx3 Ex2 A C C C C C C C Nx2 Nx2 C C G G G G C C C C C C C C F C C C C C Lx2 L C C H C A F KAC 859 K X08 4080 10 A 2 X09 5330 10 X08 4080 10 B 2 23 21 DC1 J type only 22 702 F2 F1 4 715 726 727 726 731 12 3 11 10 5 1 E type only X08 741 X09...

Page 12: ...04 C205 206 CC45FSL1H100D CERAMIC 10PF D H54 1648 03 ITEM CARTON CASE C209 210 CC45FSL1H220J CERAMIC 22PF J H54 1648 03 C211 212 CC45FSL1H100D CERAMIC 10PF D 21 1A N99 1587 05 SCREW SET C213 214 CC45FSL1H220J CERAMIC 22PF J A 1B N89 3008 45 BINDING HEAD TAPTITE SCREW C215 216 CE04DW1V100M ELECTRO 10UF 35WV C 2B N89 3008 46 BINDING HEAD TAPTITE SCREW C217 220 CF92FV1H224J MF C 0 22UF J D 2A N09 402...

Page 13: ...03J RD 10K J 1 6W R16 RD14BB2C472J RD 4 7K J 1 6W R203 208 RD14BB2C103J RD 10K J 1 6W R17 RD14BB2C332J RD 3 3K J 1 6W R209 210 RD14BB2C822J RD 8 2K J 1 6W R18 19 RD14BB2C152J RD 1 5K J 1 6W R211 218 RD14BB2C682J RD 6 8K J 1 6W R219 220 RD14BB2C104J RD 100K J 1 6W R20 RD14BB2C333J RD 33K J 1 6W R221 224 RD14BB2C823J RD 82K J 1 6W R21 RD14BB2C332J RD 3 3K J 1 6W R22 RD14BB2C152J RD 1 5K J 1 6W R225 ...

Page 14: ...NSISTOR R403 RD14BB2C152J RD 1 5K J 1 6W TH1 PTH9M04BD222T POSITIVE RESISTOR R404 RD14BB2C471J RD 470 J 1 6W R405 406 RD14NB2E101J RD 100 J 1 4W R407 RD14NB2E271J RD 270 J 1 4W D19 B30 1460 05 LED RED R408 411 RD14NB2E100J RD 10 J 1 4W C1 CE04DW1V100M ELECTRO 10UF 35WV R412 413 RD14BB2C132J RD 1 3K J 1 6W C2 3 C90 2921 05 ELECTRO 3900UF 16WV R414 415 RD14BB2C471J RD 470 J 1 6W C4 CF92FV1H153J MF C...

Page 15: ...C472J RD 4 7K J 1 6W Q103 104 2SC945 A Q P TRANSISTOR R19 RD14BB2C433J RD 43K J 1 6W R20 RD14BB2C822J RD 8 2K J 1 6W Q105 106 2SA992 F E TRANSISTOR R21 RD14BB2C103J RD 10K J 1 6W Q107 108 2SC1627A TRANSISTOR R22 RD14BB2C473J RD 47K J 1 6W Q109 110 2SA817A TRANSISTOR Q111 112 2SC5100LB TRANSISTOR R23 RD14BB2C222J RD 2 2K J 1 6W Q113 114 2SA1908LB TRANSISTOR R24 RD14NB2E100J RD 10 J 1 4W R25 RD14BB2...

Page 16: ...z 200Hz less than 0 08 THD 4 channel Mode 40W X 2 120W X 1 120W X 1 1kHz 0 08 THD 1kHz 0 8 THD 100Hz 0 08 THD 3 channel Mode 120W X 2 120W X 1 1kHz 0 8 THD 100Hz 0 08 THD Rated Power Output B 14 4V 2Ω 5 channel Mode 60W X 4 150W X 1 1kHz 0 8 THD 100Hz 0 8 THD Frequency Response 0dB 3dB 5Hz 50kHz Signal to Noise Ratio 100dB Sensitivity Max 0 2V Rated Output Sensitivity Min 5 0V Rated Output Input I...

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