Denon-PMAA100-int-sm维修电路原理图.pdf

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1、D&M Holdings Inc.SERVICE MANUALeeCopyright 2010 D&M Holdings Inc. All rights reserved.WARNING: Violators will be prosecuted to the maximum extent possible.MODELJPE3E2EKEAE1E1KE1CPMA-A100?INTEGRATED AMPLIFIERVer. 3 Some illustrations using in this service manual are slightly different from the actual

2、 set. Please use this service manual with referring to the operating instructions without fail. For purposes of improvement, specif cations and design are subject to change without notice.S0226-1V03DM/DG1012Please refer to the MODIFICATION NOTICE.RadioFans.CN 收音机爱 好者资料库2SAFETY PRECAUTIONSThe followi

3、ng check should be performed for the continued protection of the customer and service technician.LEAKAGE CURRENT CHECKBefore returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. if the leakage current exceeds 0.5 milliam

4、ps, or if the resistance from chassis to either side of the power cord is less than 460 kohms, the unit is defective.Be sure to test for leakage current with the AC plug in both polarities, in addition, in each power ON, OFF and STANDBY mode, if applicable.CAUTION Please heed the points listed below

5、 during servicing and inspection. Heed the cautions!Spots requiring particular attention when servicing, such as the cabinet, parts, chassis,etc., have cautions indicated on labels. be sure to heed these causions and the cautions indicated in the handling instructions. Caution concerning electric sh

6、ock!(1) An AC voltage is impressed on this set, so touching internal metal parts when the set is energized could cause electric shock. Take care to avoid electric shock, by for example using an isolating transformer and gloves when servicing while the set is energized, unplugging the power cord when

7、 replacing parts, etc.(2) Tere are high voltage parts inside. Handle with extra care when the set is energized. Caution concerning disassembly and assembly!Through great care is taken when manufacturing parts from sheet metal, there may in some rare cases be burrs on the edges of parts which could c

8、ause injury if fi ngers are moved across them. Use gloves to protect your hands. Only use designated parts!The sets parts have specific safety properties (fire resistance, voltage resistance, etc.). For replacement parts, be sure to use parts which have the same poroperties. In particular, for the i

9、mportant safety parts that are marked z on wiring diagrams and parts lists, be sure to use the designated parts. Be sure to mount parts and arrange the wires as they were originally!For safety seasons, some parts use tape, tubes or other insulating materials, and some parts are mounted away from the

10、 surface of printed circuit boards. Care is also taken with the positions of the wores omsode amd clamps are used to keep wires away from heating and high voltage parts, so be sure to set everything back as it was originally. Inspect for safety after servicing!Check that all screws, parts and wires

11、removed or disconnected for servicing have been put back in their original positions, inspect that no parts around the area that has been serviced have been negatively affected, conduct an inslation check on the external metal connectors and between the blades of the power plug, and otherwise check

12、that safety is ensured.(Insulation check procedure)Unplug the power cord from the power outlet, disconnect the antenna, plugs, etc., and turn the power switch on. Using a 500V insulation resistance tester, check that the inplug and the externally exposed metal parts (antenna terminal, headphones ter

13、minal, input terminal, etc.) is 1M or greater. If it is less, the set must be inspected and repaired.Many of the electric and structural parts used in the set have special safety properties. In most cases these properties are difficult to distinguish by sight, and using replacement parts with higher

14、 ratings (rated power and withstand voltage) does not necessarily guarantee that safety performance will be poreserved. Parts with safety properties are indicated as shown below on the wiring diagrams and parts lists is this service manual. Be sure to replace them with parts with the designated part

15、 number.(1) Schematic diagrams .Indicated by the z mark.(2) Parts lists .Indicated by the z mark.Using parts other than the designated parts could result in electric shock, fi res or other dangerous situations.CAUTION Concerning important safety partsRadioFans.CN 收音机爱 好者资料库3DIMENSION6043420161263943

16、5MAX33234470261634WIRE ARRANGEMENTIf wire bundles are untied or moved to perform adjustment or parts replacement etc.,be sure to rearrange them neatly as they were originally bundled or placed afterward.Otherwise, incorrect arrangement can be a cause of noise generation. The photograph is PMA-2010AE

17、.Wire arrangement viewed from the topFront Panel sideBack Panel side5Wire arrangement viewed from the bottomFront Panel sideBack Panel side6DISASSEMBLY Disassemble in order of the arrow of the figure of following flow. In the case of the re-assembling, assemble it in order of the reverse of the foll

18、owing flow. In the case of the re-assembling, observe attention of assembling it.TOP COVERSIDE COVER (L)SIDE COVER (R)P.AMP(R) UNITRefer to DISASSEMBLY 3.P.AMP(R) UNITand EXPLODED VIEWP.AMP(L) UNITINPUT UNIT and PH/CD TER.UNITP.AMP(R) UNITRefer to DISASSEMBLY 1.P.AMP(R) UNITRefer to DISASSEMBLY 2.IN

19、PUT UNIT (Ref. No. of EXPLODED VIEW : 3-2)and EXPLODED VIEWand PH/CD TER.UNIT and EXPLODED VIEWMULTIPLIER UNITP.AMP(L) UNITINPUT UNIT (Ref. No. of EXPLODED VIEW : 3-4) (Ref. No. of EXPLODED VIEW : 3-1) (Ref. No. of EXPLODED VIEW : 1-1)MULTIPLIER UNITPH/CD TER.UNIT (Ref. No. of EXPLODED VIEW : 3-3) (

20、Ref. No. of EXPLODED VIEW : 3-7)CONECT UNITRefer to EXPLODED VIEWCONECT UNITFRONT PANEL ASSYBOTTOM COVER (Ref. No. of EXPLODED VIEW : 1-8)Refer to DISASSEMBLY 4.FRONT PANEL ASSYRefer to DISASSEMBLY 5.BOTTOM COVERand EXPLODED VIEWand EXPLODED VIEWDIRECT SW UNITDIODE UNITAC UNIT (Ref. No. of EXPLODED

21、VIEW : 1-2) (Ref. No. of EXPLODED VIEW : 1-7)Refer to EXPLODED VIEWMAIN VR UNITCONTROL UNITAC UNIT (Ref. No. of EXPLODED VIEW : 1-3) (Ref. No. of EXPLODED VIEW : 2) (Ref. No. of EXPLODED VIEW : 1-9)F SW UNIT (Ref. No. of EXPLODED VIEW : 1-4)CE33W=123MREC OUT SEL. SW UNITRefer to DISASSEMBLY 8.CE33W=

22、123MREC OUT UNIT (Ref. No. of EXPLODED VIEW : 1-5)and EXPLODED VIEWRefer to EXPLODED VIEWP DIRECT SW UNITREC OUT UNIT (Ref. No. of EXPLODED VIEW : 1-6) (Ref. No. of EXPLODED VIEW : 3-8)P SWITCH UNIT (Ref. No. of EXPLODED VIEW : 1-10)P LED UNITSP TERMINAL UNIT (Ref. No. of EXPLODED VIEW : 1-11)Refer

23、to EXPLODED VIEWTONE UNITSP TERMINAL UNIT (L-ch) (Ref. No. of EXPLODED VIEW : 3-5) (Ref. No. of EXPLODED VIEW : 95-1)H/P UNITSP TERMINAL UNIT (R-ch) (Ref. No. of EXPLODED VIEW : 3-6) (Ref. No. of EXPLODED VIEW : 95-2)FLAT AMP UNIT and POWER SUPPLY UNITRefer to EXPLODED VIEWFLAT AMP UNIT (Ref. No. of

24、 EXPLODED VIEW : 4-1)POWER SUPPLY UNIT (Ref. No. of EXPLODED VIEW : 4-2)7About the photos used for descriptions in the “DISASSEMBLY” section. The direction from which the photographs used herein were photographed is indicated at Direction of photograph: * at the left of the respective photographs. R

25、efer to the table below for a description of the direction in which the photos were taken. Photographs for which no direction is indicated were taken from above the product. The photograph is PMA-2010AE.1. P.AMP(L) UNIT(1) Disconnect the connector wires, then remove the screws.The viewpoint of each

26、photograph(Photografy direction)View from aboveFront sideDirection of photograph: BDirection of photograph: DDirection of photograph: CDirection of photograph: AProceeding : TOP COVERSODE COVER (L)P.AMP(L) UNITCX055CX053Direction of photograph: D8(2) Loose the cord holder then remove the screws. (3)

27、 Remove the screws, then remove the solder.Cord holder : LooseSolder92. INPUT UNIT and PH/CD TER.UNIT(1) Disconnect the connector wires. (2) Remove the screwsProceeding : TOP COVERSODE COVER (R)INPUT UNIT and PH/CD TER.UNITCY031CX063CY032CX141PCB HOLDERCX061PCB HOLDERPCB HOLDERINPUT UNITPH/CD TER.UN

28、ITDirection of photograph: CDirection of photograph: CINPUT UNITINPUT UNITPH/CD TER.UNIT103. P.AMP(R) UNIT(1) Remove the screws. (2) Disconnect the connector wires, then remove the screws. Remove the solderProceeding : TOP COVERP.AMP(R) UNITSolderCY056CX062114. FRONT PANEL ASSY(1) Disconnect the con

29、nector wire.(2) Remove the screws.(3) Remove the screws.(4) Loose the Cord holders, then disconnect the connector wires.Proceeding : TOP COVERSODE COVER (L), (R)FRONT PANEL ASSYCX061Direction of photograph: CView from bottomDirection of photograph: BCX151CX035CX065CY022CX054Cord holder : LooseDirect

30、ion of photograph: B12(5) disconnect the connector wire.5. BOTTOM COVER(1) Remove the screws. CX057C466Direction of photograph: BTwist the connector wire 5 times and shape it so that it passes under the C466.Please refer to EXPLODED VIEW for the disassembly method of each P.W.B included in PANEL FRO

31、NT ASSY.Proceeding : TOP COVERSODE COVER (L), (R)BOTTOM COVERView from bottom136. CE33W=123M(1) Cut the wire clamp bands. (2) Remove the screws.(3) Remove the screws.Proceeding : TOP COVERSODE COVER (L), (R)BOTTOM COVERCE33W=123MDirection of photograph: DcutView from bottom14IDLING ADJUSTMENTIDLING

32、CURRENTSetup1.Lay the unit at an ordinary position away from a direct current from an air condition or fan. Do the adjustment at atemperature between 15C (59F) and 30C (86F).2.Set control as follows.POWER SWITCH OFF ().VOLUME CONTROL Fully counterclockwise in the minimum position ( ). (Main Volume a

33、nd Semifixed resistors VR501, VR502)SPEAKER Terminals Open: do not connect the speakers, dummy load etc.Adjustment1.Remove top cover. And then connect DC Voltmeter to test points of 1U-3708-1 (Lch) and 1U-3708-2 (Rch) Power AmpPrinting Wiring Board.2.Connect power cord to AC wall outlet, and turn PO

34、WER switch ON (). Within 10 seconds turn VR501 (Lch) andVR502 (Rch) clockwise so that the DC Voltmeter reads 12 5mV.3.Then after 2 minutes warmup adjust VR501 and VR502 so that the DC Voltmeter reads 125mV. 4.And after 10 minutes warmup adjust VR501 and VR502 so that the DC Voltmeter reads 125mV. DC

35、 VoltmeterMain Volume1U-3708-2Power Amp P.W.B. (R)VR5021U-3708 -1Power Amp P.W.B. (L)VR501PowerTransPowerTrans15BLOCK AND LEVEL DIAGRAM16TROUBLE SHOOTING1. The power can not be turned on. (Power indication LED does not light.)2. The power turned on, but a sound does not output normally. (Both channe

36、ls)2.1.2.2.2.3.Check the insertion of the 8U-110058-9 AC UNIT.Check the insertion of the 8U-110059 CONTROL UNIT.Check whether power is being supplied to the coil of the standby transformer (T101).Power not supplied.Broken wire in standby trans-former (T101).Power supplied.Malfunction of D101-106, C1

37、05or C106.Set remains in standby mode with power indicator LED lit red.Check each connector.The connectors are insertedcompletely.Malfunction of IC904, IC601 orRL101.Power indicator LED remains flashing red and muting mode is not canceled (protection mode is set).Check the power amplifier outputs of

38、fset voltage.Offset voltage output is 1V orgreater.Damaged power amplifier cir-cuit. No offset voltage is output.Damaged temperature detec-tion circuit or protection circuit.Set operates, but then power indicator LED flashes red (protection mode is set).Check the power amplifier outputs offset volta

39、ge.Offset voltage output is 1V orgreater.Damaged power amplifier cir-cuit. No offset voltage is output.Check the bias current.172.4.3. The power turned on, but a sound does not output normally. (Single channel)Power indicator LED is lit normally (green or orange).Check each connector.Check the volta

40、ge of eachdepartment.Check the operation of theswitching relay and speakerrelay.Check the Signal line.Power indicator LED is lit normally (green or orange).Check each connector.Check the voltage of eachdepartment.Check the operation of theswitching relay and speakerrelay.Check the Signal line.18SEMI

41、CONDUCTORSOnly major semiconductors are shown, general semiconductors etc. are omitted to list. The semiconductor which described a detailed drawing in a schematic diagram are omitted to list.1. ICsTMP86FS49BFG (IC601)TMP86FS49BFG Terminal FunctionPin No.Terminal nameSignal nameI/OFunction1VSSVSS-GN

42、D2XINXINI4.19MHz Ceramic resonators connection INPUT3XOUTXOUTO4.19MHz Ceramic resonators connection OUTPUT4TESTTESTINormal(MCU mode)L, Writing (serial PROM mode)H5VDDVDD-The voltage is switched. (STANDBY : +3.3V, power supply ON : +5V)6P21(XTIN)RESERVEDO7P22(XTOUT)RESERVEDO8#RESETRESETIRESET input9P

43、20(#STOP/#INT5)STOP_ACTI (STOP)STOP_MODE of the u-com is canceled by H” edge input. It controls so as not to enter STOP_MODE when becoming “H.10P00(#INT0)PROTECT_1I (INT)PROTECTION input 1 (ASO protect)11P01(BOOT/RXD1)RXDIControl/cereal data input for rewriting12P02(TXD1)TXDOCereal data output for r

44、ewriting13P03(INT1)P.DOWNI (INT)POWER DOWN (power failure) detection input14P04(SI1)RESERVEDO15P05(SO1)RESERVEDO16P06(#SCK1)#RESERVEDO VSS XOUT TEST VDD(XTIN) P21(XTOUT) P22RESET(STOP/INT5) P20(INT0) P00(TXD1) P02(SI1) P04(INT1) P03(SO1) P05(SCK1) P061234567891011121314151648474645444342414039383736

45、3534333231302928272625242322212019181749505152535455565758596061626364P65(AIN5/STOP1) P67(AIN7/STOP3) P70(AIN8) P72(AIN10) P71(AIN9) P74(AIN12)P73(AIN11)P66(AIN6/STOP2) P14 (TC4/PDO4/PWM4/PPG4)P13 (TC3/PDO3/PWM3)P12 (PPG)P11 (DVO)P10 (TC1)P47 P46 (SCK2)P45 (SO2)(BOOT/RXD1) P01 XINP07(INT2) AVDD P60(

46、AIN0) P61(AIN1) P64(AIN4/STOP0) P62(AIN2) VAREF P63(AIN3) P44 (SI2)P43 P42 (TXD2)P41 (RXD2)P40 P77 (AIN15)P76 (AIN14)P75 (AIN13) (INT3/TC2) P15 (PDO5/PWM5/TC5) P16 (PDO6/PWM6/PPG6/TC6) P17 (SCL) P50 (SDA) P51 P52 P53 P54 P30 P31 P32 P33 P34 P35 P36 P371917P07(INT2)REMOTE_INI (INT)Remote control inpu

47、t by codes18VAREFVAREF-It connects it with the same power supply as VDD of 5pin. 19AVDDAVDD-It connects it with the same power supply as VDD of 5pin. 20P60(AIN0)RESERVEDO21P61(AIN1)P.OFFOOutput port =L fixed22P62(AIN2)REC OUT_SELI (A/D)REC OUT SELECTOR Positional detection input 23P63(AIN3)FUNCTIONI

48、 (A/D)INPUT SELECTOR Positional detection input (FUNCTION)24P64(AIN4/STOP0)RESERVEDO25P65(AIN5/STOP1)RESERVEDO26P66(AIN6/STOP2)P.DIRECT_SWIP.DIRECT TACT SW key input27P67(AIN7/STOP3)RESERVEDO28P70(AIN8)PHONOOPHONO line RELAY/LED control signal29P71(AIN9)CDOCD line RELAY/LED control signal30P72(AIN10

49、)TUNEROTUNER line RELAY/LED control signal31P73(AIN11)LINE1OLINE1 line RELAY/LED control signal32P74(AIN12)LINE2OLINE2 line RELAY/LED control signal33P75(AIN13)RECORDER1ORECORDER1 line RELAY/LED control signal34P76(AIN14)RECORDER2ORECORDER2 line RELAY/LED control signal35P77(AIN15)RESERVEDO36P40P.DI

50、RECTOPOWER AMP DIRECT RELAY control signal output37P41(RXD2)LED_ROLED lighting output of R (power supply ON/OFF for LED)(STANBY : lighting / Standing up and PROTECT : Flashing)38P42(TXD2)LED_GOLED lighting output of G (Power supply ON/OFF for LED)(After standing up : Lighting. )39P43RESERVEDO40P44(S