Kenwood KAC-7204 Service Manual Download Page 4

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KAC-7204

R608

C129

R609

R35

R610

R612

R615

R49

R626

R640

C14

C52

C600

C617

R10

R15

R16

R18

R22

R24

R34

R58

R147

R606

R613

R614

TH605

C121

R11

R12

R13

R14

R17

R19

R20

R21

R23

R25 R26

R27

R53

R54

R55

R56

R57

R59

R60

R61

R289

R290

R603

R604

R605

R607

R611

R620

R621

R627

R650

R72

W305

W304

W306

W303

W307

W308

W302

W309

W311

W310

W312

W313

R691

W292

W291

W294

W293

W296

W300

W301

C621

W295

W297

W298

W288

R695

R694

R693

R692

R699

R62

B E

-15V

+15V

-B

SP-GND

SP-R

BATT

4.5V

SW14V

-15V

SP-R

SP-L

TH-GND

SP-L

-B

W331

W332

W428

W151

W154

W427

W136

W181

W152

W155

W157

W402

W426

W430

W141

W14

W404

W431

W403

W192

W164

W145

W191

W405

W401

W406

W407

W408

W409

W413

W410

W411

W412

W414

W415

W416

W417

W418

W419

W420

W421

W422

W423

W424

W15

W27

C699

W165

W425

W93

W429

W153

W174

W173

C10

C11

C16

C17

C19

C20

C50

C51

C601

C602

C603

C13

C15

C18

C24

R28

R29

R30

R155

R273

R245

R275

R616

W129

W147

W146

W119

W118

W182

W125

W123

W149

W194

W193

W186

W187

W188

W189

W190

W185

W184

W183

W180

W179

W178

W175

W148

W170

W167

W169

W168

W172

W171

W177

W176

W195

W139

W138

W135

W137

W140

W144

W150

W128

W124

W122

W117

W166

W131

W143

W156

W161

W160

W159

W158

W162

W163

W134

W133

W132

W120

W11
W12

W16

Q698

Q15

Q12

D600

D604

D609

Q10

Q11

Q51

Q602

Q605

Q606

D10

D606

D607

Q13

Q14

Q50

Q603

D699

Q223

Q227

Q604

Q609

D50

D601

D602

D603

D605

D611

Q211

CN2

IC5

AUDIO UNIT X09-8760-10 (J76-0476-11)

PC BOARD (FOIL SIDE VIEW)

X09-8760-10

Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address

IC1

IC8

Q12

Q17

Q203

Q208

Q215

IC2

IC10

Q13

Q50

Q204

Q209

Q216

IC5

IC11

Q14

Q51

Q205

Q210

Q217

IC6

IC12

Q10

Q15

Q201

Q206

Q211

Q218

IC7

Q11

Q16

Q202

Q207

Q213

Q220

Summary of Contents for KAC-7204

Page 1: ...OOST LEVEL dB LPF FREQUENCY Hz HPF FREQUENCY Hz INPUT SENSITIVITY V MIN MAX OFF LPF FILTER LINE IN LINE OUT HPF SP LEVEL INPUT SIGNAL SENSING TURN ON FUSE 40A P CON LEFT RIGHT BRIDGED POWER IN SPEAKER OUTPUT Accessories W01 1606 05 Screw wrench key set N99 1820 05 Connecting cord assy E30 6145 05 19cm Stereo Bridgeable Power Amplifier M type E K type Dressing Panel A21 6640 01 E K type A21 6641 01...

Page 2: ...Hz 18dB 50 200Hz 50 200Hz IC2 IC1 IC7 IC12 IC7 IC8 IC8 IC10 IC11 Q281 283 Q282 284 Q241 Q242 Q201 229 Q202 226 Q215 218 610 Q611 612 TH601 602 605 Q1 2 D5 6 Q50 D50 52 Q605 Q604 IC5 Q609 699 AUDIO UNIT X09 8760 10 Ref No Application Function Operation Condition Compatibility IC1 2 Isolation circuit IC5 DC DC converter IC6 Temperature ATT control ATT2 on by pin1 H ATT1 on by pin7 H IC7 HPF IC8 Buff...

Page 3: ...mute_Tr Q604 SW14V Power supply for DC DC_IC Q605 Pcon control ON by pcon H Q606 Over voltage detection Turn off Q605 when over voltage is detected Q609 Power supply for FAN Q610 Over current protection Q611 612 DC protection Q613 614 Latch circuit for DC protection Hold the protection operation while the DC protection is being operational Q615 616 Shock noise prevention circuit Q617 618 Shock noi...

Page 4: ...13 C15 C18 C24 R7 R8 R28 R29 R30 R155 R273 R245 R275 R616 W129 W147 W146 W119 W118 W4 W182 W W125 W123 W149 W194 W193 W186 W187 W188 W189 W190 W185 W184 W183 W180 W179 W178 W175 W148 W170 W167 W169 W168 W172 W171 W177 W176 W195 W139 W138 W135 W137 W140 W144 W150 W128 W124 W122 W117 W166 W1 W131 W143 W156 W161 W160 W159 W158 W162 W163 W134 W133 W132 W120 W11 W12 W16 W1 E B E 2 1 E B S D G S D G S D...

Page 5: ... AMP IN L AMP IN R R L PIN G LPF SENS BB H OFF L HPF L 10 9 2 1 L R R LED B BB G L NF B B B E L L W13 W136 W79 W97 W141 W142 W400 W55 W73 W59 W70 W431 C223 W63 W127 W196 R697 W69 W199 W95 W93 W330 C2 W21 C3 C611 C612 C615 C606 R202 C57 C58 C4 C5 C50 C51 C140 C203 C204 C207 C208 C225 C226 C263 C264 C604 C605 C608 C618 C619 R622 W23 R203 R204 W25 C103 C104 C109 C110 C111 C112 C115 C116 C119 C122 C12...

Page 6: ...20P C211 220P 1 5K R221 6 2K R219 6 2K R225 C213 22P C217 22P 1 3K C215 10u50 470 VR5 10P R213 22K C209 R289 100 C C2 R234 100 10 C222 C220 10 R236 100 100 R2 R235 C221 C 10 C219 100P R105 10K 0 01 GND B 1 2 B 2 GND 1 RR 2 1 RR 4 3 RL 6 5 8 7 RL 10 9 100K 10u50 2 2K R121 C620 0 01 FR 2 R217 R241 10K 150 R215 R239 150 4 7K 33 R251 4 7K 100K 10u50 2 2K R120 FL TP12 FR TP14 R128 C111 C112 10u50 R129 ...

Page 7: ...116 47K TP31 56K 9 1K C118 R118 R132 GND R115 47K 1 3 C126 0 01 TP35 R134 C122 47K VR1 50K C 7 4 5 8 9 6 R131 56K R133 47K C147 0 01 4 TP75 C128 15P R138 62K 5 R136 4 2 3 5 4 R135 430 R137 430 1 7 10K 8 5 6 C148 0 01 10K 9 7 8 R141 R143 10K 56K R600 22K C611 C615 10u50 R636 18K 10u50 C5 47u25 C612 10u50 R638 22K R72 2 2 C3 47u25 R2 R4 R74 100 C4 47u25 100 10K R602 R71 R639 C2 47u25 10K 2 2 R3 R73 ...

Page 8: ...9 240 0 1 R146 C136 R142 240 0 1 4 7u50 2 2K R144 4 3 2 8 1 150K 6 5 7 150K 6 5 7 10K R148 2 2K C138 100P R150 47K VR4 10K C C129 0 01 C127 0 01 C125 100P R423 1K R R167 47K C123 4 7u50 2 2K R159 10K R151 TP67 2 R165 2 2K 4 8 3 1 L 1K R422 R613 1 5K TP69 C603 10u50 TP72 C19 0 047 C20 0 047 1 2W 1 2W R616 3 9K TP84 TP85 TP48 21uH 21uH 2 1 W4 W5 C1 10u25 L1 L2 TP74 3 LCH 2 1 RCH RCH 4 5 LCH P CON FU...

Page 9: ... F G Y Z F2 6x13 M4x8 F3x10 F3x6 F3x8 F3x16 F3x10 M6 AU M4 AU N09 6365 05 N09 6726 05 N80 3010 43 N89 3006 43 N89 3008 48 N89 3016 48 N09 6447 05 N07 0003 08 N09 4214 08 Gx2 Yx2 Zx5 C C C E E 3 E E E E E E C 723 Ax8 Ax7 Ex4 Ex2 Ex2 F 715 718 719 16 E E 702 F F 715 719 16 E Ex2 Ex2 F EXPLODED VIEW Parts with the exploded numbers larger than 700 are not supplied ...

Page 10: ...103 104 CD04BJ1H100M ELECTRO 10UF 50WV C105 106 CC73GCH1H150J CHIP C 15PF J C107 108 CK73GB1H104K CHIP C 0 10UF K C109 112 CD04BJ1H100M ELECTRO 10UF 50WV AUDIO UNIT X09 8760 10 KAC 7204 C113 114 CC73GCH1H150J CHIP C 15PF J C115 116 CD04BJ1H100M ELECTRO 10UF 50WV C117 118 CK73FB1H224K CHIP C 0 22UF K C119 CD04BJ1H100M ELECTRO 10UF 50WV C120 CK73GB1H103K CHIP C 0 010UF K C121 CK73GB1H104K CHIP C 0 1...

Page 11: ...2E104J CHIP R 100K J 1 4W R123 126 RN73GE1J103D CHIP R 10K D 1 16W R127 129 RK73EB2E104J CHIP R 100K J 1 4W R130 RK73GB2A822J CHIP R 8 2K J 1 10W R131 RK73GB2A563J CHIP R 56K J 1 10W R132 RK73GB2A912J CHIP R 9 1K J 1 10W R133 134 RK73GB2A473J CHIP R 47K J 1 10W R135 RK73GB2A431J CHIP R 430 J 1 10W R136 RK73GB2A103J CHIP R 10K J 1 10W R137 RK73GB2A431J CHIP R 430 J 1 10W R138 RK73GB2A623J CHIP R 62...

Page 12: ...73GB2A302J CHIP R 3 0K J 1 10W R647 RK73GB2A224J CHIP R 220K J 1 10W R648 RK73GB2A472J CHIP R 4 7K J 1 10W R649 RK73GB2A272J CHIP R 2 7K J 1 10W R650 RK73GB2A104J CHIP R 100K J 1 10W R651 RK73GB2A472J CHIP R 4 7K J 1 10W R652 653 RK73GB2A432J CHIP R 4 3K J 1 10W R656 RK73GB2A392J CHIP R 3 9K J 1 10W R658 RK73GB2A473J CHIP R 47K J 1 10W R659 RK73GB2A562J CHIP R 5 6K J 1 10W R660 RK73GB2A473J CHIP R...

Page 13: ...SS133 DIODE D617 B30 1770 05 LED BLUE D624 1SS133 DIODE D699 1SS133 DIODE IC1 2 BA4560RF ANALOGUE IC IC5 TL494IDR ANALOGUE IC IC6 8 BA4560RF ANALOGUE IC IC10 12 BA4560RF ANALOGUE IC Q1 2SC4883ANF TRANSISTOR Q2 2SA1859ANF TRANSISTOR Q3 8 STP60NF06FP FET Q9 2SC4097 TRANSISTOR Q10 11 2SA1577 TRANSISTOR Q12 2SC4097 TRANSISTOR Q13 14 DTA114EUA DIGITAL TRANSISTOR Q15 2SC4081 TRANSISTOR Q16 2SC1845 A F E...

Page 14: ...D 350 59 238 mm 13 3 4 2 5 16 9 3 8 inch Weight 3 2 kg 7 0 lbs KENWOOD follows a policy of continuous advancements in development For this reason specifications may be changed without notice KAC 7204 M type Audio Section Max Power Output 1000 W 500 W 2 Rated Power Output B 14 4 V Normal 4 Ω 20 Hz 20 kHz 0 08 THD 170 W 2 Normal 2 Ω 1 kHz 0 8 THD 250 W 2 Bridged 4 Ω 1 kHz 0 8 THD 500 W 1 Frequency R...

Page 15: ... H OFF L HPF 4 5V SW14V 15V L 10 9 2 1 L R R SP R SP L TH GND LED B SP L BB G L NF B B B B B E L L W13 W331 W332 W428 W151 W154 W427 W136 W181 W79 W152 W155 W157 W402 W426 W430 W97 W141 W142 W5 W400 W55 L3 W73 W404 W59 W70 W431 C223 W63 W403 W127 W196 W192 R697 W164 W145 W191 W405 W401 W69 W406 W407 W408 W409 W413 W410 W411 W412 W414 W415 W416 W417 W418 W419 W420 W421 W422 W423 W424 W199 W15 W27 W...

Page 16: ... 2K TP50 R633 6 2K C617 0 01 R632 12K TP49 R635 10K R631 12K TP44 C610 0 01 100P R105 10K 0 01 GND B 1 2 B 2 GND 1 RR 2 1 RR 4 3 RL 6 5 8 7 RL 10 9 100K 10u50 2 2K R121 C620 0 01 FR 2 R217 R241 10K 150 R215 R239 150 4 7K 33 R251 4 7K 100K 10u50 2 2K R120 FL TP12 FR TP14 R128 C111 C112 10u50 R129 100K 4 8 TP11 FL TP13 10u50 C110 100K R127 10 C109 R122 TP18 1000P C124 TP6 0 01 TP8 R102 1K C102 1000P...

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Kenwood KAC-7204, Service Manual

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