Kenwood KAC-PS521 Service Manual Download Page 9 | Manualshive

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KAC-PS521/X521

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PC BOARD (FOIL SIDE VIEW)

TP183

TP42

TP35

TP5

TP4

TP15

TP8

TP19

TP1

TP2

TP3

TP6

TP7

TP9

TP10

TP11

TP12

TP13

TP14

TP16

TP17

TP18

TP20

TP21

TP22

TP23

TP25

TP27

TP28

TP29

TP30

TP31

TP32

TP36

TP37

TP38

TP39

TP40

TP41

TP43

TP44

TP45

TP46

TP47

TP48

TP49

TP50

TP51

TP52

TP53

TP54

TP55

TP56

TP59

TP60

TP61

TP62

TP63

TP64

TP65

TP66

TP67

TP68

TP69

TP70

TP71

TP72

TP73

TP74

TP75

TP76

TP78

TP88

TP89

TP90

TP91

TP92

TP93

TP94

TP98

TP99

TP100

TP101

TP102

TP103

TP104

TP105

TP106

TP107

TP108

TP109

TP110

TP111

TP112

TP113

TP114

TP115

TP116

TP117

TP118

TP119

TP120

TP121

TP122

TP123

TP124

TP125

TP126

TP127

TP128

TP129

TP130

TP132

TP180

TP181

TP182

TP189

TP186

TP188

TP185

TP184

TP187

TP192

TP193

PEAMPLIFIER UNIT X08-4150-10 (J76-0010-12)

Refer to the schematic diagram for the values of resistors and capacitors.

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Summary of Contents for KAC-PS521

Page 1: ... 0 1 2 3 4 5 6 7 8 9 RESET REMOTE TO H U ID NUMBER POWER IN 30 30 FUSE 30A 2 VOLT FAN CURR TEMP MENU Screw set N99 1752 05 Screw set N99 1577 15 Heat sink F01 1751 01 Accessory W01 1606 05 Cover F07 1138 12 KAC X521 F07 1139 12 KAC PS521 Screw N07 0003 08 Screw N09 4214 08 Fuse 30A F52 0015 05 ...

Page 2: ...T DC PROT PREAMPLIFIER UNIT X08 4150 10 Ref No Application Function Operation Condition Compatibility IC1 Infrasonic filter Controlled by microprocessor IC3 Tone and volume variable IC4 6dB voltage amplification IC5 HPF LPF IC6 Lch 6dB voltage amplification Rch Signal 180 reverse and 6dB voltage amplification IC7 LCD driver Controlled by microprocessor AUDIO UNIT X09 5760 10 Ref No Application Fun...

Page 3: ...ty power supply Q101 102 Mute Q103 112 A class first stage amplifier Q113 118 A class 2nd stage amplifier Q119 120 Final temperature compensation Q121 124 Amplifier current detection Q125 132 Final driver Q133 140 Final Q141 Mute control Q142 145 Amplifier limiter Q146 147 Amplifier current detection Q148 149 DC detection Q301 307 H U communication output driver Q313 H U communication output drive...

Page 4: ...control E2PROM I2C communication MICROPROCESSOR 784224YGC117 X09 IC6 Block Digram Terminal Function Pin No Pin Name I O Function Processing Operation Description 1 3 TEMP4 TEMP6 I Temperature detection 4 6 4 AVSS GND 5 L_CE O CE output to LCD driver H LCD driver CE 6 LX_REQ_S O Data transmit request to H U H OFF L ON 7 AVREF1 DA reference voltage 8 L_DATA_L I Data input from LCD driver 9 L_DATA_A ...

Page 5: ...ot used 46 COMM SW O Communication IC power switch H ON L OFF 47 50 NC O Not used 51 D PWER O D class amplifier power supply control H ON L OFF 2ch 4ch L fixed 52 DC DET I Speaker output DC voltage detection H Normal L Abnormal 53 NC O Not used 54 POWER ON O Amplifier power supply control H ON D AB class L OFF 55 5VSW O 5VSW H OFF L ON 56 MUTE1 O Amplifier section input stage mute control H OFF L ...

Page 6: ...ection for display 77 AD V I BU voltage detection for display 78 80 TEMP1 TEMP3 I Temperature detection 1 3 MICROCOMPUTER STERMINAL DESCRIPTION 2 AMP ID AMP ID is checked only ohce at the time reset is released or when the microcomputer is released from the low consump tion mode When set to AMP ID 8 9 no remote control is possible AMP ID DIP SW1 DIP SW2 DIP SW3 DIP SW4 25pin 26pin 27pin 28pin 0 Hi...

Page 7: ...int Method Align For Note Fig 1 IDEL CURRENT VR1 Lch Connect a DC voltmeter between 2 5mV After Power on PC board VR2 Rch check land A B 2 minutes X09 576 ADJUSTMENT Current detection circuit Amplify and rectify potential differences at two points in the primary side current circuit and send it to the AD port of the MPU and obtain data for displaying current value Constant current output circuit R...

Page 8: ...3 C4 C65 R8 R7 C12 R63 R64 C66 R65 C63 R39 R40 C5 R5 C64 R66 C6 R6 R3 R4 C11 C107 1 22 7 8 1 14 1 7 14 8 1 4 8 5 1 4 8 5 64 16 1 49 33 48 17 32 1 10 20 11 1 1 1 1 200Hz 50Hz 1 3 5V 200mV 1 24 50Hz 1 2 200Hz R13 R116 C105 C61 C9 C10 C15 C16 C17 C18 C19 C20 C25 C26 C31 C32 C39 C67 C68 R117 LOW PASS ST MONO OFF ON ON OFF LPF OFF INPUT SENS HPF HI PASS ANP CONT I S F 503C 503C 103A VR1 VR3 VR2 CN1 D1 ...

Page 9: ...TP56 TP59 TP60 TP61 TP62 TP63 TP64 TP65 TP66 TP67 TP68 TP69 TP70 TP71 TP72 TP73 TP74 TP75 TP76 TP78 TP88 TP89 TP90 TP91 TP92 TP93 TP94 TP98 TP99 TP100 TP101 TP102 TP103 TP104 TP105 TP106 TP107 TP108 TP109 TP110 TP111 TP112 TP113 TP114 TP115 TP116 TP117 TP118 TP119 TP120 TP121 TP122 TP123 TP124 TP125 TP126 TP127 TP128 TP129 TP130 TP132 TP180 TP181 TP182 TP189 TP186 TP188 TP185 TP184 TP187 TP192 TP1...

Page 10: ...117 C118 C119 C120 C121 C122 C123 C124 C129 C130 C131 C132 C133 C135 C141 R1 R2 R119 R120 R121 R122 R123 R124 R125 R126 R127 R128 R129 R130 R131 R132 R133 R134 R135 R136 R137 R138 R145 R146 R151 R152 R153 Lch R154 R155 R157 R158 R159 R160 R161 R163 R165 R166 R167 R168 R169 R171 R173 R201 R202 R301 R302 R318 R319 R320 R321 R322 R334 R335 R345 W404 W58 W62 W61 W60 W59 W165 W257 W254 21 1 22 2 W213 W...

Page 11: ... S G D S G D S G D S G D S E B D306 D307 D308 D310 D313 D314 Q53 Q54 Q65 Q148 Q149 Q341 Q342 Q343 Q344 D13 D81 33 D309 Q51 Q52 Q63 Q91 Q92 Q301 Q302 Q303 Q304 Q305 Q306 Q307 Q313 Q314 Q62 Q64 Q61 D51 D52 D60 J2 Q55 Q56 Q57 Q58 Q59 Q60 D251 D68 D69 D114 D116 D118 Q81 Q120 Q122 Q124 Q130 Q132 34 Q138 Q140 P1 CN1 CN2 CN9 IC9 IC2 X09 B 2 X09 5760 10 Ref No Address IC1 6L IC2 5R IC3 6L IC5 5M IC6 5M IC...

Page 12: ...319 IC2 D54 D310 351 354 D353 D55 D312 D352 D70 2SC3478A L K Q113 116 D105 106 108 149 301 304 341 344 357 D319 H U COMMUNICATION DATA COMMUNICATION VOLTAGE LIMITER MUTE MAIN AMP ISO R312 1 5K R310 12K 22P C311 11 5 10 10u35 0 01 10K R306 C301 10u25 R302 270 3 6 RX SX 2 1 SY VCC 7 8 GND TX 4 TY RY 5 10u35 C349 2 2u50 R174 33K C138 R301 270 R348 1 8K R349 1 8K R311 R313 1 5K 20K R347 100K R334 47 R...

Page 13: ... C459 0 01 R476 5 6K R475 5 6K 100 R151 C129 470P C131 470P R157 R360 56K C352 10u35 R354 10 R356 TH1 TH2 TH3 TH4 14 15 16 11 12 13 8 9 10 5 6 7 1 2 3 4 R92 10K C67 10u35 0 01 C62 C66 0 01 C64 47u25 R93 11K C65 0 01 C63 47u25 C308 10u35 7 R440 10K 8 R353 560 10 C71 0 1 C69 C70 47u25 47K R80 R77 510 1u50 R69 10K R66 R70 100 10 R65 10 C61 10u35 R67 820 R89 10 C89 1 2W 1500P R88 10 C72 1500P 1 2W R33...

Page 14: ...E2PSCL DIPSW1 NC24 E2PSDA 23 22 25 24 DIPSW4 DIPSW3 MODEL1 DIPSW2 10K R428 10K R429 28 27 29 LCLK LXDATAS LXDATAM LDATAA R452 1K R453 1K 9 10 11 12 11 13 12 10 9 NC47 180 R425 38 R426 180 39 36 NC32 NC31 NC35 NC34 VSS1 MODEL2 33 32 31 10K R423 35 34 LCDILL NC37 NC40 LED NC36 39 38 37 100 R421 R422 100 40 42 43 44 45 46 41 ATT2 ATT1 COMMSW ATT3 NC44 NC45 52 53 47 48 49 50 51 DPWER NC48 NC49 DCUR DC...

Page 15: ...3 S34 S35 TP22 TP8 TP9 R33 47K TP21 TP92 TP128 TP74 R6 22K 5 6 7 R66 39K 10 9 TP28 C68 10u16 8 TP32 TP65 TP66 TP37 TP25 TP20 R1 47K 4 5 6 ST MONO 3 2 1 7 8 R2 C4 0 22 47K 0 22 C3 R5 TP31 0 22 0 22 C6 0 22 R4 130K TP23 TP183 C64 0 22 0 22 TP29 22K C5 2 3 0 22 1 4 C63 56K C66 R64 TP75 R8 47K 7 1 2 TP180 C65 12 13 11 5 4 C67 10u16 14 TP76 TP30 TP181 HI P TP64 I F S ON OFF 8 3 C20 10u16 47K R24 6 R23 ...

Page 16: ...GND CREF 11 12 SWL SWR C18 10u16 TP53 C17 10u16 2 10u16 TP41 C15 1 TP42 3 5 4 7 TP60 6 8 R21 10K R9 47K TP192 TP43 TP39 TP38 R14 100 R16 100 R15 100 TP40 TP59 OFF ON B M S TP115 S13 TP114 S14 TP113 S15 TP112 S16 TP111 S17 TP110 S18 TP109 S19 TP108 S20 TP107 S21 S12 0 1 C73 0 15 C74 TP182 TP189 0 01 C28 0 01 C27 C75 0 033 47K R52 0 01 C49 0 01 C48 0 01 C38 0 01 C37 1K R17 0 1 C22 0 22 C24 47K R31 1...

Page 17: ...K φ3x8 φ3x16 φ3x14 φ2x8 φ3x12 N09 6216 05 N09 6218 05 N09 6220 05 N15 1040 48 N80 2008 43 N80 3010 43 N82 2006 48 N84 2606 48 N89 3006 43 N89 3008 43 N89 3008 48 N89 3016 48 N09 6217 05 N80 2008 48 N83 3012 48 26 27 28 Mx2 Hx2 Cx2 Qx2 Gx3 4 5 1 13 14 6 8 719 H L L L L H 746 743 723 722 715 751 F F Ax3 Kx3 715 730 752 G G P P P L L L 731 Insulated sheet is contained in a transistor 24 40 42 ED1 Ax3...

Page 18: ...1 1606 05 ACCESSORY 40 2B B11 1446 04 REFLECTION SHEET 41 2A B11 1447 04 OPTICAL DIFFUSER 42 2B B19 2258 12 LIGHTING BOARD D2 B30 1694 05 LED ED1 B38 1150 05 LCD DISPLAY ASSY C3 6 CK73FB1C224K CHIP C 0 22UF K C9 10 CD04AS1H010M ELECTRO 1UF 50WV C11 13 CK73GB1H103K CHIP C 0 010UF K C15 20 CD04AS1C100M ELECTRO 10UF 16WV C21 22 CK73GB1C104K CHIP C 0 10UF K C23 24 CK73FB1C224K CHIP C 0 22UF K C25 26 C...

Page 19: ...5588 05 ELECTRO 47UF 25WV C55 56 CD04BC1C392M ELECTRO 3900UF 16WV C61 C90 5592 05 ELECTRO 10UF 35WV C62 CK73GB1H103K CHIP C 0 010UF K C63 64 C90 5588 05 ELECTRO 47UF 25WV C65 66 CK73GB1H103K CHIP C 0 010UF K C67 68 C90 5592 05 ELECTRO 10UF 35WV C69 C90 5601 05 ELECTRO 1UF 50WV C70 C90 5588 05 ELECTRO 47UF 25WV C71 CK73GB1C104K CHIP C 0 10UF K C72 CF92FV1H152J MF C 1500PF J C73 CF92FV1H182J MF C 18...

Page 20: ...L RD 10 J 1 2W R90 91 RD14BB2C563J RD 56K J 1 6W R92 RK73GB2A103J CHIP R 10K J 1 10W R93 RK73GB2A113J CHIP R 11K J 1 10W R95 96 RK73GB2A152J CHIP R 1 5K J 1 10W R97 98 RK73GB2A102J CHIP R 1 0K J 1 10W R99 104 RK73GB2A472J CHIP R 4 7K J 1 10W R105 106 RD14BB2C333J RD 33K J 1 6W R107 110 RK73GB2A102J CHIP R 1 0K J 1 10W R111 112 RK73GB2A101J CHIP R 100 J 1 10W R113 114 RK73GB2A473J CHIP R 47K J 1 10...

Page 21: ...2A473J CHIP R 47K J 1 10W R432 433 RK73GB2A272J CHIP R 2 7K J 1 10W R434 RK73GB2A103J CHIP R 10K J 1 10W R438 RK73GB2A153J CHIP R 15K J 1 10W R439 RK73GB2A301J CHIP R 300 J 1 10W R440 RK73GB2A103J CHIP R 10K J 1 10W R441 RK73GB2A102J CHIP R 1 0K J 1 10W R442 RK73GB2A182J CHIP R 1 8K J 1 10W R443 444 RK73GB2A272J CHIP R 2 7K J 1 10W R450 453 RK73GB2A102J CHIP R 1 0K J 1 10W R454 455 RK73GB2A101J CH...

Page 22: ... 118 2SA1376A L K TRANSISTOR Q119 120 2SC3419 Y TRANSISTOR Q121 122 2SC1845 F E TRANSISTOR Q123 124 2SA992 F E TRANSISTOR Q125 128 2SC2235 F TRANSISTOR Q129 132 2SA965 F TRANSISTOR Q133 136 2SC3856NF TRANSISTOR Q137 140 2SA1492NF TRANSISTOR Q141 DTA124EUA DIGITAL TRANSISTOR Q142 2SA1576A TRANSISTOR Q143 144 2SC4081 TRANSISTOR Q145 2SA1576A TRANSISTOR Q146 2SC1845 F E TRANSISTOR Q147 2SA992 F E TRA...

Page 23: ...20 330 470 750 Tolerance More than 10pF Code C D G J K M X Z P No code 0 25 0 5 2 5 10 20 40 80 100 More than 10µF 10 50 20 20 0 Less than 4 7µF 10 75 Voltage rating 2nd word A B C D E F G H J K V 1st word 0 1 0 1 25 1 6 2 0 2 5 3 15 4 0 5 0 6 3 8 0 1 10 12 5 16 20 25 31 5 40 50 63 80 35 2 100 125 160 200 250 315 400 500 630 800 3 1000 1250 1600 2000 2500 2150 4000 5000 6300 8000 CHIP CAPACITORS E...

Page 24: ... 5 THD Rated Power Output 4Ω 20Hz 20kHz 14 4V 125W x 2 0 05 THD 4Ω DIN45324 14 4V 125W x 2 2Ω 1kHz 14 4V 250W x 2 0 5 THD Bridged Power 4Ω 1kHz 14 4V 500W x 1 0 5 THD MAX Power Output 1000W Low Pass Filter 50Hz 200Hz 24dB oct High Pass Filter 50Hz 200Hz 12dB oct Infrasonic Filter 15Hz 24dB oct Frequency Response 5Hz 70kHz 0 3dB S N Ratio 105dB Sensitivity Max 0 2V Rated Output Sensitivity Min 5V R...

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