Kenwood-KACX-811-D-Service-Manual 电路图 维修手册.pdf

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1、 2004-2 PRINTED IN JAPAN B53-0138-00 (N) 2704 POWER AMPLIFIER KAC-PS811D KAC-X811D SERVICE MANUAL VOLTFAN CURRTEMP MENU Subwoofer Power Amplifier 0 1 2 3 4 5 6 7 8 9 25 25 25 RESETREMOTETO H/UID NUMBER POWER IN Screw set (N99-1752-05) Screw set (N99-1577-15) Heat sink (F01-1751-01) Accessory (W01-16

2、06-05) Cover (F07-1136-12): KAC-X811D (F07-1137-12): KAC-PS811D Screw (N07-0003-08) Screw (N09-4214-08) Fuse (25A) (F52-0014-05) RadioFans.CN 收音机爱 好者资料库 KAC-PS811D/X811D 2 BLOCK DIAGRAM PREAMPLIFIER UNIT (X08-4170-10) Ref. NoApplication / FunctionOperation / Condition / Compatibility IC1ISFCutting s

3、uper-low range of audio signal IC2 (1/43/4)BRFCutting bandwidth of audio signal IC2 (4/4)INVPhase reversal of audio signal IC3OP amplifierVoltage amplification, Buffer IC4E-VOLElectronic volume IC5LPFCutting high-range of audio signal IC6LCD driverLCD driver AUDIO UNIT (X09-5790-10) Ref. NoApplicati

4、on / FunctionOperation / Condition / Compatibility IC1Isolation amplifierPrevent noise from GND potential difference IC2 (1/2)Triangular wave generationReference signal for digitizing analog signal IC2 (2/2)Error amplifierError is compensated by the feedback from output IC3Comparator, Triangular wav

5、e generationDigitizing by comparison of analog signal and triangular wave COMPONENTS DESCRIPTION LINE LINE IN AMP CONT. DRIVER LCD COMPARATOR DEAD TIME TRIANGLE WAVE LOAD OVER DRIVER MUTE DC OFFSET DET. CURRENT INPUT VOLTAGE CONTROL FAN OVER VOLTAGE MEASUREDET. SWITCH POWER 15V AVR AVR +5V +5V SWITC

6、H SWITCH ACCRESSROM CORRECTIC RESET THERMAL PROTECT BUFFER I2C VOLTAGE DET. DOWN P CON DET. AMPMUTE COMPARATOR ISOLATOR CONT DET.DET. ISOI.F.SB.R.FINV L.P.F LCD IC4 IC3 IC3 IC5 IC2IC2IC1 ED1 IC6 IC1 Q10IC2,3IC4,5 IC2Q9 Q52-55 78 28,37-40,42-45,48-51 Q15,18,19,21,22,27, IC6 Q73, IC16 Q1-4 IC15 IC11 Q

7、2084,110 Q106-108 IC13 Q80IC14Q63Q66 Q62 D.D CONu-COM Q83 IC10 29,30, Q25,26, SP OUT P CON BATT GND OUT to H/U REMOTE IND FAN 15/25HzFREQ ON/OFFOFF/6/12NOR/REV ON/OFFLEVEL LED FAN AVR 5VSW5V15V FREQ BACK LIGHT D PWR (X08-4170-10) (X09-5790-10) RadioFans.CN 收音机爱 好者资料库 KAC-PS811D/X811D 3 Ref. NoApplic

8、ation / FunctionOperation / Condition / Compatibility IC4,5NANDD class section reverse wave, deadtime, generation and rectification IC6ComparatorShort circuit detection of SP output IC7Signal amplificationFor SP output short-circuit detection, send the output to comparator IC10Element operation cont

9、rolCommunication, display, protection, etc. control IC11ResetReset signal is output when voltage goes below standard voltage IC13DC/DC converter Voltage on secondary side, which produces the drive signal for switching element, will be limited to below standard voltage IC14Signal amplificationTo have

10、 com display current value, amplify potential differences of GND IC15Bi-directional bufferSend/Receive data and clock between AMP IC16ComparatorReceive from H/U data and clock Q1,2,5,7Digital signal transmissionSend LX-REQ-M signal to H/U Q3,4,6,8Digital signal transmissionSend LX-DATA-S signal to H

11、/U Q9MuteMute drive signal generation Q10MuteTurn audio signal OFF Q15,18,19,21,22,27, Signal amplification, switchingD class section voltage or current amplification Q28,3740,4245 Q16,17Voltage controlMatch the beginning of the fall to +15V when -15V power supply is OFF Q20Voltage control5V power s

12、upply ON/OFF Q23,24,35,36,41,83Voltage controlFan voltage ON/OFF and limiting over voltage Q25,29,84AVR+15V Q26,30,110AVR-15V Q31,33,46,109Voltage controlD class section predrive stage power supply ON/OFF Q47AVRD class section first stage supplementary power supply Q52-55Voltage current converterOve

13、r current detection when SP is shorted Q57,58,60,61, SwitchingDC/DC converter switching Q64,65,6770 Q59,63Voltage controlIn order to have com display voltage value, send voltage to it only when 5V SW ON Q62Voltage detectionPcon detection Q66Voltage detectionPcon over voltage detection Q71,72Waveform

14、 shapingFor SP output short-circuit detection, send the output to comparator Q73,78Voltage detectionDC detection of output Q74-77Current amplificationSwitching FET drive current amplification Q79,80Voltage controlDC/DC converter power supply ON/OFF Q81,82Voltage controlDC/DC converter drive waveform

15、 ON/OFF Q88,89,98,99Voltage control5L digital signal reception Q95,96Voltage controlWhen Comm-SW of com is ON, turn communication system power supply ON Q97Voltage controlNormally 15V power supply and over voltage control Q102,111Voltage controlWhen Comm-SW of com is ON, turn communication system 5V

16、 power supply ON Q103,104Voltage controlLCD backlight and illumination LED control Q106-108AVRcom system 5V power supply. COMPONENTS DESCRIPTION RadioFans.CN 收音机爱 好者资料库 KAC-PS811D/X811D 4 AMP_SCLLX_REQ_M LX_REQ_S LX_DATA_M LX_DATA_S LX_CLK LX_RST HU_BU AD-I AD-V TEMP1 TEMP2 TEMP3 TEMP4 TEMP5 TEMP6 C

17、OMM-SW D-PWER POWER-ON 5VSW V_DOWN PCON LX_CON L_DATA_L L_DATA_A L_CLK L_CE FAN1 FAN2 AMP_SDA AUDIO_SCL AUDIO_SDA AUDIO_MUTE E2P_SCL E2P_SDA LCD-ILL WHITE-LED MUTE1 MUTE2 DIP-SW1 DIP-SW2 DIP-SW3 DIP-SW4 MODEL1 MODEL2 DC-DET D-CUR AB-CUR ATT1 ATT2 ATT3 AMP -com 784224YGC117 Audio control AMP communic

18、ation I/FLX BUS I/F Display data monitor Power supply control LCD driver I/F Fan control Destination, AMP ID Protection control Illumination control Mute control E2PROM I2C communication MICROPROCESSOR : 784224YGC117 (X09 : IC10) Block Digram Terminal Function Pin No.Pin NameI/OFunctionProcessing Op

19、eration Description 13TEMP4TEMP6ITemperature detection 46 4AVSS-GND 5L_CEOCE output to LCD driverH : LCD driver CE 6LX_REQ_SOData transmit request to H/UH : OFF, L : ON 7AVREF1-DA reference voltage 8L_DATA_LIData input from LCD driver 9L_DATA_AOData output to LCD driver 10L_CLKOCLK output to LCD dri

20、ver 11LX_DATA_MIData input from H/U 12LX_DATA_SOData output to H/U 13LX_CLKICLK input from H/U 14LX_BUILX BUS communication, H/U connect detectionH : Not connect (Except master amplifier), L : Connect 15NCONot used 16SDA_AMPI/OData input/output AMP communication 17NCONot used MICROCOMPUTERS TERMINAL

21、 DESCRIPTION KAC-PS811D/X811D 5 Pin No.Pin NameI/OFunctionProcessing Operation Description 18SCL_AMPI/OCLK input/output AMP communication 19AUDIO_SCLI/OCLK input/output with audio chip 20AUDIO_SDAI/OData input/output with audio chip 21AUDIO_MUTEOMute output to audio chipH : Mute OFF, L : Mute ON 22E

22、2P_SCLI/OCLK input/output with E2PROM 23E2P_SDAI/OData input/output with E2PROM 24NCONot used 2528DIP-SW1DIP-SW4IAMP address setting 29MODEL1IModel setting 1 30MODEL2IModel setting 2 31,32NCONot used 33VSS1-GND 3437NCONot used 38LCD-ILLOLCD backlight switchH : ON, L : OFF 39WHITE-LEDOTriangle illumi

23、nation switchH : ON, L : OFF 40NCONot used 4143ATT1ATT3OOutput attenuate due to rise in temperature 13H : Attenuate, L : Not attenuate 44,45NCONot used 46COMM-SWOCommunication IC power switchH : ON, L : OFF 4750NCONot used 51D-PWEROD class amplifier power supply controlH : ON, L : OFF (2ch/4ch L fix

24、ed) 52DC-DETISpeaker output DC voltage detectionH : Normal, L : Abnormal 53NCONot used 54POWER-ONOAmplifier power supply controlH : ON (D/AB class), L : OFF 555VSWO5VSWH : OFF, L : ON 56MUTE1OAmplifier section input stage mute controlH : OFF, L : ON 57MUTE2ODriver stage pop-noise mute controlH : OFF

25、, L : ON 58FAN1OFan rotation controlH : Operate, L : Stop 59FAN2OFan speed controlH : Low speed, L : High speed 60RESET-Hard resetH : Normal, L : Reset 61PCONIAmplifier power controlH : OFF, L : ON 62LX_CONILX-BUS communication controlH : OFF, L : ON 63LX_REQ_MIData receive request from H/UH : ON, L

26、 : OFF 64NCONot used 65V_DOWNIMomentary power down detectionH : ON (Power down detection), L : OFF (L fixed) 66NCONot used 67VSS0-GND 68VD1-VDD 69X2-Main clock input 1 70X1-Main clock input 2 MICROCOMPUTERS TERMINAL DESCRIPTION KAC-PS811D/X811D 6 Logic Table 1) Destination The destination in AMP doe

27、s not mean the sales regions but specific models. The following are the models. When reset is released, it is checked only once. Model nameMODEL1 (29pin)MODEL2 (30pin) KAC-PS811D/X811DLowLow KAC-PS521/X521LowHigh KAC-PS621/X621HighLow KAC-PS541/X541HighHigh Pin No.Pin NameI/OFunctionProcessing Opera

28、tion Description 71TEST-Flash ROM writing 72XT2-Not used 73XT1-Not used 74VDD0-VDD 75AVDD-VDD 76AD-IIFirst current detection (for display) 77AD-VIBU voltage detection (for display) 7880TEMP1TEMP3ITemperature detection 13 MICROCOMPUTERS TERMINAL DESCRIPTION 2) AMP ID AMP ID is checked only ohce at th

29、e 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-SW1DIP-SW2DIP-SW3DIP-SW4 (25pin)(26pin) (27pin) (28pin) 0HighHighHighHigh 1LowHighHighHigh 2HighLowHighHigh 3LowLowHighHigh 4HighHighLowHig

30、h 5LowHighLowHigh 6HighLowLowHigh 7LowLowLowHigh 8HighHighHighLow 9LowHighHighLow 3) Fan speed OperationFAN1 (58pin)FAN2 (59pin) StopLowHigh/Low Low speedHighHigh High speedHighLow KAC-PS811D/X811D 7 CIRCUIT DESCRIPTION AD-I D59 (2/2) IC14 (1/2) IC14 AMP RECT MPU AD-PORT OUTPUT VOLTAGE DETECTION LEV

31、EL 10u35 270 1K 10K 7 5 6 15K 0.010.01 10K 1 8 13K 470 3 2 47 L5 4 + 10K 10K J1 Q1 Q2 Q5 Q7 to H/U H/U GND CONSTANT CURRENT AMP GND from MPU 3421 11 78 12 6 10 5 9 13 4747 REQC H/U-GND 100K 12K 1.5K 1.5K 20K IC15 J2D77 D76 to OTHER AMP RECEIVE TRANSMISSON to MPU TRANSMISSON RECEIVE BOTH DIRECTION BU

32、FFER 42 3 1 4.3K 4.3K 270 270 9 5 7 10 11 8 6 10u25 10K 1.8K 1.8K VCCSX GND RX TX TY SY RY 6 7 8 5 3 2 1 4 CLK DATA 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 displayi

33、ng current value. Constant current output circuit Remove troubles caused by the potential differences between the constant current output and the GND, so that the GND po- tential differences between the H/U and the AMP is not overlapped in the AMP to H/U communication. I2C buffer Using an IC for I2C

34、 communication, be- tween-AMP communication is conducted so that there will be no trouble from GND po- tential differences. KAC-PS811D/X811D 8 ABCDE 1 2 3 4 5 6 7 PC BOARD (COMPONENT SIDE VIEW) R60C7 C5 R5 R6 R7 R8 R1 R10 C6 R59 R58 R65 R11 R12 R66 R19 C4 R17 R3 R14 R32 R33 R36 C30 C8 R2 C10 C9 C27

35、C24 R37 R39 C1C2 R45 R43 C29 R27 R28 R29 R34 C13R16 R53 R42 R20 R52 R54 R4 R46 R26 C34 R25 R48 R50 C35 R21 R13 C11 R61 R56 R67 C12 R62R63 C28 C18 C31 R47 C36 R49 R51 C38 C33 R55 C21 R22 R23 R24 C19 C47 C41 C42 C43 C44 C45 C46 R40 R41R44 C26 R38 R64 C16 64 116 3348 4932 17 14 58 1 7 14 8 122 1 4 8 5

36、1 1 4 8 5 10 2011 1 1 1 1 1 200Hz40Hz200Hz50Hz5V200mV 241 3 1 R18 R57 C3 C20 C14 C15 C17 C22 C23 C25 C32C37 C39 C40 C48 C49 B.R.FLOW PASSINPUT SENS I.F.SI.F.S B.R.F I.N.V 15Hz25Hz ONOFF 6dB -12dBOFF ONOFF ONOFF AMP CONT 503C 503C103A VR1VR2VR3 CN1 D1 S1S5S6 S7 S8 D2 ED1 S2 S3 S4 WH1 IC6 IC1 IC2 IC3

37、IC5 IC4 PREAMPLIFIER UNIT X08-4170-10 (J76-0012-12) X08-4170-10 Ref. No.Address IC12B IC23B IC33D IC42D IC52C IC66C Refer to the schematic diagram for the values of resistors and capacitors. KAC-PS811D/X811D 9 JIHGF 1 2 3 4 5 6 7 PC BOARD (FOIL SIDE VIEW) TP3 TP4 TP84 TP83 TP38 TP78 TP2 TP1 TP5 TP6

38、TP7 TP8 TP9 TP10 TP11 TP12 TP13TP14 TP15 TP16 TP17 TP18 TP19 TP20 TP21 TP22 TP23 TP24 TP25 TP26 TP27 TP28 TP30 TP31 TP32 TP33 TP34 TP35 TP36 TP37 TP40 TP41 TP42 TP43 TP44 TP45 TP46 TP47 TP48 TP49 TP50 TP51 TP52 TP53 TP54 TP55 TP56 TP57 TP58 TP59 TP61 TP62 TP63 TP65 TP66 TP67TP68 TP69 TP70TP71 TP72 T

39、P73 TP74 TP75 TP76 TP77 TP79 TP80 TP81 TP82 TP85 TP86 TP87 TP88 TP89 TP90 TP91 TP92 TP93 TP94 TP95 TP96 TP97 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 TP124 TP125 TP126 TP127 TP128 PREAMPLIFIER

40、UNIT X08-4170-10 (J76-0012-12) Refer to the schematic diagram for the values of resistors and capacitors. KAC-PS811D/X811D 10 KLMNO 1 2 3 4 5 6 7 PC BOARD (FOIL SIDE VIEW) W332 C17 W429 R119 R193 R287 C11 R78 R114 R84 C47 C42 L1 R42 R102 R241 C46 C130 R70 R321 C134 C116 W383 R7 R14 R21 R23 R31 R33 C

41、19 C52 C108 R19 R40 R41 R43 R128 R130 R135 R147 R209 R243 R260 R261 R311 R301 C2 C4 W421 C14 C23 C25 C26 C30 C34 C36 C48 C49 C50 C53 C61 W458 W459 W461 C83 C107 C111 R305 C133 R3 R13 R18 R32 R34 R36 R68 R72 R77 R80 R92 R100 R105 R106 R107 R120 R127 R133 R144 W416 W400 R185 R191 R19 R194 R217 R2 R224

42、 R322 W363 R267R268 R269R270R271R272 R312 R313 R304 R306 R282 R283 R284 R285 R286 R295 W353 C7 C10 C21 C22 C38 C39 C78C79 W357 W364 W327 W365 C123 W399 W388 R5 R15 R20 R22 R24 R25 R27 R28R29 R30 R35 R37 R38 R39 R46 R47 R48 R50 R52 R65 R66 R71 R73 R79 R82 R83 R86R87 R88 R89 R90 R91 R93 R94 R95 R96 R9

43、7 R99 R103 R104 R108 R109 R110 R111 R112 R113 R122 R123 R125 R126 R129 R131 R303 R154 R155 R157 R158 R159 R160 R176R177 R181 R183 EEB EB B EB R184 R187 R189 R190 R201 R206 R211 R220 R221 R223 R225 R226 R227 R232 R234 R235 R236 R237 R238 R240 R254 R255 R256 R262 R263 R288 R289 R291 R292 R293 R294 W46

44、8 W450 W404 W392 W443 W438 W418 W437 W439 W432 W430 W431 W419 W389 W417 W415 W368 W374 W379 W398 W354 W345 W343 W350 W413 W334 W323 W322 W462 W324 W393 W344 W433 W339 W338 W328 W325 W451 W351 W452 W326 W453 R319 C127 C128 W361 W412 W410 W436 W446 W425 W427 W390 W460 W463 W386 W377 W366 W373 W407 W40

45、8 W382 W387 W402 W356 W403 W340 W330 W331 W346 W341 W342 W347 W380 W444 W442 W333 W428 W426 W424 W422 W434 W464 W440 W441 W435 W420 W391 C118 C117 W397 W371 W362 W375 W395 W394 W401 W448 R1 W370 W405 W411 W414 W367 W381 W378 W385 W348 W358 W396 W376 W369 R2 R152 R153 W372 W384 W359 W352 W423 C125 C1

46、26 W409 W469 W329 W445 C131 R320 W457 17 814 17 148 14 85 801 61 60 4140 21 20 12 43 85 41 85 1 3 1 1 58 129 13 4 4 2 4 85 41 14 5 8 TEST Vdd CLK G SP-GNDSP-OUT RESET TP10 TP1 TP47 TP46 TP15 TP13 TP48 TP19 TP49 TP25 TP24 TP21 TP22 TP20 TP27 TP36 TP32 TP34 TP33 TP12 TP9 DATA-M DATA CLK (ROM) (ROM) DA

47、TA-S TP11 TP37 TP38 TP39 TP62 TP61 +B GND -B TP26 TP2 1 21 22 2 TP3 TP4 TP5 TP6 TP7 TP8 TP35 TP31 TP30 TP17 TP18 TP16 TP100 TP101 TP104 TP105 TP103 TP102 +15V -15V TP23 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BEBE BE BE BE BE BE B B B E E E BE EB EB BE BE BEBE BE BE BE BE BE BE BE BE BEBE BE L3 W1

48、28 W104 C62 SDE E EB B B B BE BE BE BE BE EB BE BE BE BE BE BE BE BE BE BE E GSDGSDGSDG C65 C6 W54 C55 R59 R76 C31 C56 R51 C35 C24 C44 C27 C1 C37 C40 C41 17 148 C43 C45 C54 C57 C59 C60 C81 C82 C85 C86 C87 C94 C96 C9 C106 C109 W45 C113 W26 R26 R116 R118 R136 C12 C13 C15 C16 C28 C32 C73C74 C80 C102 C1

49、20 W53 R6 R10 R11 R16 R17 R98 R115 R117 R121 R124 R132 R134 R137 R138 R139 R142 R143 R148 R149 R150 R151 R161 R162 R164 R165 R166 R167 R168R169 R172R173 R178 R180 C122 R242 R244 R257 R258 R275 S G E D B BE R276 W504 W511 W43 W40 W38 W510 W W42 W44 W46 W47 W48 W114 W96 W97 W99 W98 W121 W91 W74 W86 W52 W84 W76 X1 W77 W75 W78 W71 W33 W30 W29 W34 W41 W39 W127 W109 W73 W115 R4 W49 W50 W56 W111 W125 W117 W113 W108 W124 W122 W119 W81 W110 W112 W116 W118 W100 W94 W120 W61 W64 W65 W107 W101 W95 W105 W106 W102 W103 W93 W92 W90 W89 W88 W87 W85 W82 W72 W126 W83 W80 W79 W67 W68 W62 W