Vestax-PCV002-mix-sm 维修电路原理图.pdf

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1、VESTAXSERVICE NOTEMODEL: PCV-0021. SPECIFICATIONS P. 2-P. 52.SCHEMATIC DIAGRAM P. 6-P. 103.PARTS LIST P. 11- P. 144.SPARE PARTS LIST P. 15- P. 16Vestax Corporation Service Department(2003-07-22)RadioFans.CN 收音机爱 好者资料库Vestax NumbeModelCategorieDescriptionPCBSYMBOLSHEET SpecificationB050100200 PCV-002

2、CASEBOTTOMFRAMEV012011200 PCV-002VRC.F. MONITOR VOLUMEControlVR13 1 50KB*2 L=15mm RS20112V014511D00 PCV-002 VR CROSSFADER Fader VR17 1 100KB*2 RS4511DB6J030470015PCV-002CONNECTOR DC JACKIn-OutJ61HEC0470-01-630 DC 15VB010100204 PCV-002CASEFACE PANELBLUEH01MT90302 PCV-002CONNECTOR GND TERMINALMT-903J0

3、10544010PCV-002CONNECTOR HEADPHONE JACKPhonesJ41HLJ-0544-01-010I04M781200PCV-002ICIC NJM7812In-OutU20112V REGULATORI05AN6884S PCV-002ICIC AN6822SControlIC1 IC21LED DRIVERI010082L02PCV-002ICIC NJM082LControlU10 U11 U12 U13 U14 U15 U16 U17 U2 U3 U4 U51I012068L02PCV-002ICIC NJM2068LControl1I014556AL2PC

4、V-002ICIC NJM4556ALControl In-Out1DUAL OP AMPI014580L02PCV-002ICIC NJM4580LControl In-Out1OPERATIONALV014511201 PCV-002VRINPUT FADERControlVR2 VR4120KA*2 L=20mm T=45mmRS45112A6S0222B1702 PCV-002SWITCHINPUT SELECT SWITCHControlSW1 SW21LBC22B17K SILVERV0209L1200 PCV-002VRISOLATOR VOLUMEControlVR6 VR7

5、VR8 VR9 VR10 VR11120KC*2 L=15mmRK09L12D0C0GV0209L1201 PCV-002VRMASTER BALANCE VOLUMEControlVR141 10KAC*2 L=15mmRK09L1240V0209L1202 PCV-002VRMASTER LEVEL VOLUMEControlVR151 20KA*2 L=15mmRK09L12D0A1FJ011523110PCV-002CONNECTORMIC JACKIn-OutJ51HLJ-1520-01-3110(CLOSE)V0209L1100 PCV-002VRMIC LEVEL VOLUMEC

6、ontrolVR161 10KA L=15mmRK09L1140A5KV0209L1203 PCV-002VRMONITOR VOLUMEControlVR51 10KA*2 L=15mmRK09L12D0X020100204 PCV-002MANUALOWNERS MANUALS018802000 PCV-002SWITCHPOWER SWITCHIn-OutS11SDDLB880200-9K030000100 PCV-002KnobPOWER SWITCH KNOBPOWER SWJ025857A02 PCV-002CONNECTORRCA(4P)JACKIn-OutJ1 J2 J31T5

7、857AAAF, NICKEL(SILVER)?RadioFans.CN 收音机爱 好者资料库5313241423910111256785CONTROLS AND FUNCTIONSTOP PANELiPHONES JACKUse this jack to connect the head phones. Headphones from 8 ohm to 600 ohm can be used.150 ohm is recommended.oMASTER LEVELAdjusts the signal level output from the LINEOUT jack on the rear

8、 panel.!0MASTER BALANCEAdjusts the signal balance of the left and rightside of the outputs from the LINE OUT jack on therear panel.!1MONITOR LEVELAdjusts the head phone output level.!2MONITOR SELECT FADERWhen the monitor levels of PGM1 and PGM2are properly set, PGM1 will be monitored in theheadphone

9、 with the fader set to the left side andPGM2 will be monitored in the head phone with thefader set to the rigth side. When the fader is set inthe center, both programs will be monitored inthe head phone.!3MIC LEVELAdjusts the input level from all microphoneinputs.qPOWER LEDThe LED is lit when power

10、is on.wINPUT SELECT SWITCHUsed to select the input (LINE or PHONO ) to besent to each PGM channel.eTRIM CONTROLAdjusts the input level of each channel.rISOLATOR (HI,MID,LOW)Cuts and boosts each frequency range. Thelevel is flat when this knob is set at 12 oclock.tINPUT FADERUsed to adjust the input

11、level of each program.Usually set at the 7-8 position.yINPUT LEVEL METERThe LED level meters indicate the input signallevel of each PGM channel.uCROSS FADERWhen the input level of PGM1 and PGM2 areproperly set, PGM1 will be heard with the crossfader set to the left side. PGM2 will be heardwith the c

12、ross fader set to the right side. When thecross fader is set in the center, both programswill be heard. This is a detachable fader for theease of replacement with CF-RUS CF-R orCF-PCV when it is worn out.角4点外。抜6HOW TO REMOVE THE TOP PANEL1Remove all fader knobs and the 4screws whichfix the top panel

13、.(see fig.A)2Remove the top panel.HOW TO CHANGE THE FADER UNIT1Remove the screws on the fader panel.(see fig.B)2Remove the fader unit from position in mixer.3Carefully remove the multi-cable connector fromfader unit.(see fig.C)4Attach multi-cable connector to new fader unit.5Position the fader unit

14、carefully and secure withscrews.You can replace the CFunit with CF-RUS,CF-R or CF-PCV.HOW TO REPLACE THE CF UNIT WITH CF-PCVWhen the fader unit is replaced, please see fig.C.Place the fader unit in the proper position and fix itwith two screws.(fig.D-b)How to change the fader unit.driverdriverfig.DC

15、F-RUS or CF-RCF-PCVfig.Afig.Cfig.BRemove the multi-cableconnector from fader unit.Remove four scews.CAUTIONThere is a swith for CF-PCV unit. When CF-PCV unit is installed, set the switch to PCVmode.CAUTIONWhen the fader unit is replaced, do not loosenthe screws with marking.7REAR PANELRLRLRLLINE1PGM

16、 2OUTPUTGNDPHONO1LINE2PHONO2RECLINEPGM 1MICPOWERDC INDC15VMADE IN CHINA UNDER LICENCE OF VESTAX TOKYO, JAPANSERIAL NO.WARNING;SHOCK HAZARD-DO NOT OPEN.AVIS;RISQUE DE CHOC ELELCTRIQUE -NE PAS OUVRIR.RISK OF ELECTRICSHOCK. DO NOT OPEN19181714151620!8INPUT JACK 2Used for PGM2 input. Connect as for !7.!

17、9OUTPUT JACKConnect to the input of a power amplifier. Youcan also use another LINE OUT when you needto have an output besides the main output.0MIC INPUT JACKInput jacks of connection of a microphone.!4POWER SWITCHThe POWER LED that is located on the toppanel is lit when on.!5DC INConnect to the DC-

18、15 AC adapter.!6GND TERMINALConnect this terminal to the ground lead of theturntable. This helps to reduce noise and hum.!7INPUT JACK 1Used for PGM1 input. Connect turntableequipped with a MM pickup cartridge to PHONOinput. CD players, tape decks, DATs, MDs etc.,should be connected to LINE input. Li

19、ne levelmusical instruments with stereo outputs such asRhythm Machines or Samplers should also beconnected to line inputs.Vestax CorporationMAY.2002 PCV002E qSPECIFICATIONSINPUT SECTIONOUTPUT SECTIONPHONO 1, 2（RCA PIN JACK）LINE 1, 2 （RCA PIN JACK）MIC （1/4 PHONE JACK）LINE OUT（RCA JACK）HEADPHONE（1/4 P

20、HONE JACK）FREQUENCY RESPONSECROSS TALKS/N RATIOPOWER SUPPLYDIMENSIONS （WHD）WEIGHTNOMINAL INPUTIMPEDANCE-42dBv-10dBv-54dBv0dBv470K470K3.3K22020Hz 20KHz100dB-82dBDC15V 500mA248105261 （mm）3.5kgMAXIMUM OUTPUTIMPEDANCENOMINAL OUTPUTIMPEDANCE70mW（47load）832184U1ANJM4580LR49820KR368KR1147K12C1410u/16C30392

21、C34122567U1BNJM4580LR50820KR468KR1247K12C1510u/16C31392C35122213SW1ALBC22B-17銀654SW1BLBC22B-17銀R53470R54470R571KR581K3217VR1A10KA*26548VR1B10KA*212C1610u/1612C1710u/16R5922KR6022K32184U14ANJM082L567U14BNJM082LR6156KR6256K1/2VP11/2VP1C38473C54272C55272C39473C70123C71123C40473C72123C56272C41473C73123C

22、57272R11012KR12215KR14322KR149100KR1031.5KR11112KR11212KR12315KR155120KR156120K32184U2ANJM082L567U2BNJM082L567U3BNJM082L32184U3ANJM082L1/2VP11/2VP11/2VP11/2VP11/2VP11/2VP13217VR6A20KC*23217VR7A20KC*23217VR8A20KC*21/2VP11/2VP11/2VP1R12415KR12515KR12615K32184U15ANJM082L1/2VP1R6322KC42473C58272C59272C4

23、3473C74123C75123C44473C76123C60272C45473C77123C61272R1041.5KR11312KR1447KR12715KR14422KR150100KR1051.5KR11412KR11512KR12815KR157120KR158120K32184U4ANJM082L567U4BNJM082L567U5BNJM082L32184U5ANJM082L1/2VP11/2VP11/2VP11/2VP11/2VP11/2VP11/2VP11/2VP16548VR6B20KC*26548VR7B20KC*26548VR8B20KC*21/2VP11/2VP11/

24、2VP1R12915KR13015KR13115K567U15BNJM082L1/2VP1R6422K12C1810u/1612C1910u/163217VR2A20KA*26548VR2B20KA*2R1547KR1647K32184U6ANJM4580LR51820KR768KR1947K12C2010u/16C32392C36122567U6BNJM4580LR52820KR868KR2047K12C2110u/16C33392C37122213SW2ALBC22B-17銀654SW2BLBC22B-17銀R55470R56470R651KR661K3217VR3A10KA*26548V

25、R3B10KA*212C2210u/1612C2310u/16R6722KR6822K32184U16ANJM082L567U16BNJM082LR6956KR7056K1/2VP21/2VP232184U17ANJM082LR7122K567U17BNJM082LR7222K12C2410u/1612C2510u/163217VR4A20KA*26548VR4B20KA*2R2147KR2247KR2327KR2427KR2527KR2627K12C8610u/16R73220K32184U18ANJM2068L12C8710u/1612C8810u/16R74220K567U18BNJM2

26、068L12C8910u/163217VR14A10KAC*26548VR14B10KAC*23217VR15A20KA*26548VR15B20KA*212C9010u/1612C9110u/161132184U19ANJM2068L567U19BNJM2068LR7510KR7610KR77100KR78100K3217VR5A10KA*26548VR5B10KA*212C961u/5012C971u/5012C9822u/1012C108220u/1012C109220u/1032184U7ANJM4556L567U7BNJM4556LR791KR801KR81330KR82R15110

27、0KR152100KR2747KR2847KR2947KR3047K3217VR13A50KB*26548VR13B50KB*2R3122KR3222KR3322KR3422KR16747R16847PHONE PGM1 LchPHONE PGM1 RchPHONE PGM2 LchPHONE PGM2 RchPHONE PGM1 LchPHONE PGM1 RchPHONE PGM2 LchPHONE PGM2 RchR171470KR1724.7KR170100K12C2632184U8ANJM2068L567U8BNJM2068L12C10010u/1612C10110u/1632145

28、VR1610KA12C10210u/16R83470KR8418KR8556KR8627KR8727K12C10310u/16R8815KR8910KR9047R9110KR924.7K21LED1SLR21LED2SLR21LED3SLR21LED4SLR21LED5SLR12C10410u/16R9315K21LED6SLR21LED7SLR21LED8SLR21LED9SLR21LED10SLRR94100KR95100KR96100KR97100K123456789IC1BA6137123456789IC2BA613712C105100u/1621LED11SLR12C2710u/16

29、12C2810u/16R17310K3214NJM4556L567U9BNJM4556L12C2910u/1612C10610u/1612C10710u/16+Vcc+Vcc+Vcc+Vcc+Vcc+Vcc+Vcc+Vcc+Vcc+Vcc+Vcc+VccMASTERMASTERBALANCELEVELEQ HIEQ HIEQ MIDEQ MIDEQ LOWEQ LOWC46473C62272C63272C47473C78123C79123C48473C80123C64272C49473C81123C65272R1061.5KR11612KR3547KR13315KR14722KR153100K

30、R1071.5KR11712KR11812KR13415KR159120KR160120K32184U10ANJM082L567U10BNJM082L567U11BNJM082L32184U11ANJM082L3217VR9A20KC*23217VR10A20KC*23217VR11A20KC*2R13515KR13615KR13715KC50473C66272C67272C51473C82123C83123C52473C84123C68272C53473C85123C69272R1081.5KR11912KR3647KR13815KR14822KR154100KR1091.5KR12012K

31、R12112KR13915KR161120KR162120K32184U12ANJM082L567U12BNJM082L567U13BNJM082L32184U13ANJM082L6548VR9B20KC*26548VR10B20KC*26548VR11B20KC*2R14015KR14115KR14215K+Vcc+Vcc+Vcc+VccEQ HIEQ HIEQ MIDEQ MIDEQ LOWEQ LOWTRIMTRIMINPUT SWINPUT SWMICLEVELMONITORLEVELMONITORCFPOWER LEDINPUTINPUTC11122PC11222PC11322PC1

32、1422PC11568PC11668PC11768PC11868PC11910PC12022PC12110PC1235PC1245PC12510PC12610PINPUTLEVELINPUTLEVEL+Vcc12345H5C5P CON H12345678CN1J8P CON S12345678H1C8P CON H123CN2J3P CON S123H2C3P CON H12C127100u/10R17510kPHONOPHONOLINELINE(A curve)(C curve)R1764.7KR1774.7KR1784.7KR1794.7KR1804.7KR1814.7KR1824.7K

33、R1834.7KR1844.7KR1854.7K12CN6J2P CON S12H6C2P CON H12C12947u/1612C135100u/1010kR100100KR101100K12H7C2P CON H12C132100u/2512C13010u/16R19110K12C13110u/1612C136470u/6.3R19510012C137470u/6.3R196100123CN4J3P CON S123H4C3P CON H+Vcc1/2VP11/2VP21/2VP21/2VP21/2VP21/2VP21/2VP21/2VP21/2VP21/2VP21/2VP21/2VP21

34、/2VP21/2VP21/2VP21/2VP21/2VP21/2VP21/2VP21/2VP21/2VP21/2VP21/2VP21/2VP21/2VP21/2VP2R188470KR189470K+Vcc+Vcc12C134100u/16R186 100K+VccR187 100KGND21H01CGND POINTJUMPER JUMPER WIRE AWIRE A(2P)(2P)123456789101112ABCD121110987654321DCBATitleNumberRevisionSizeA1Date:7-Jan-2002 Sheet of File:D:Vestax.PCV0

35、02Y.ascDrawn By:12J 1 AT 5 8 5 7 A A A F31J 1 BT 5 8 5 7 A A A F45J 1 CT 5 8 5 7 A A A F64J 1 DT 5 8 5 7 A A A FR 13 9 0 KR 23 9 0 KR 94 7 KR 1 04 7 K12C 11 u / 5 012C 21 u / 5 012C 63 3 u / 2 5R 3 71 KR 3 81 K32184U 1 AN J M 4 5 8 0 LR 4 15 6 KC 1 02 2 PR 4 51 . 5 KR 4 98 2 0 KR 36 8 KR 1 14 7 K12C

36、 1 41 0 u / 1 6C 3 03 9 2C 3 41 2 212C 73 3 u / 2 5567U 1 BN J M 4 5 8 0 LR 4 25 6 KC 1 12 2 PR 4 61 . 5 KR 5 08 2 0 KR 46 8 KR 1 24 7 K12C 1 51 0 u / 1 6C 3 13 9 2C 3 51 2 2213S W 1 AL B C 2 2 B - 1 7 銀654S W 1 BL B C 2 2 B - 1 7 銀R 5 34 7 0R 5 44 7 0R 5 71 KR 5 81 K3217V R 1 A1 0 K A * 26548V R 1

37、B1 0 K A * 212C 1 61 0 u / 1 612C 1 71 0 u / 1 6R 5 92 2 KR 6 02 2 K32184U 1 4 AN J M 0 8 2 L567U 1 4 BN J M 0 8 2 LR 6 15 6 KR 6 25 6 K1/2VP11/2VP1C 3 84 7 3C 5 42 7 2C 5 52 7 2C 3 94 7 3C 7 01 2 3C 7 11 2 3C 4 04 7 3C 7 21 2 3C 5 62 7 2C 4 14 7 3C 7 31 2 3C 5 72 7 2R 1 0 21 . 5 KR 1 1 01 2 KR 1 34

38、 7 KR 1 2 21 5 KR 1 4 32 2 KR 1 4 91 0 0 KR 1 0 31 . 5 KR 1 1 11 2 KR 1 1 21 2 KR 1 2 31 5 KR 1 5 51 2 0 KR 1 5 61 2 0 K32184U 2 AN J M 0 8 2 L567U 2 BN J M 0 8 2 L567U 3 BN J M 0 8 2 L32184U 3 AN J M 0 8 2 L1/2VP11/2VP11/2VP11/2VP11/2VP11/2VP11/2VP11/2VP13217V R 6 A2 0 K C * 23217V R 7 A2 0 K C * 2

39、3217V R 8 A2 0 K C * 21/2VP11/2VP11/2VP1R 1 2 41 5 KR 1 2 51 5 KR 1 2 61 5 K32184U 1 5 AN J M 0 8 2 L1/2VP1R 6 32 2 KC 4 24 7 3C 5 82 7 2C 5 92 7 2C 4 34 7 3C 7 41 2 3C 7 51 2 3C 4 44 7 3C 7 61 2 3C 6 02 7 2C 4 54 7 3C 7 71 2 3C 6 12 7 2R 1 0 41 . 5 KR 1 1 31 2 KR 1 44 7 KR 1 2 71 5 KR 1 4 42 2 KR 1

40、 5 01 0 0 KR 1 0 51 . 5 KR 1 1 41 2 KR 1 1 51 2 KR 1 2 81 5 KR 1 5 71 2 0 KR 1 5 81 2 0 K32184U 4 AN J M 0 8 2 L567U 4 BN J M 0 8 2 L567U 5 BN J M 0 8 2 L32184U 5 AN J M 0 8 2 L1/2VP11/2VP11/2VP11/2VP11/2VP11/2VP11/2VP11/2VP16548V R 6 B2 0 K C * 26548V R 7 B2 0 K C * 26548V R 8 B2 0 K C * 21/2VP11/2

41、VP11/2VP1R 1 2 91 5 KR 1 3 01 5 KR 1 3 11 5 K567U 1 5 BN J M 0 8 2 L1/2VP1R 6 42 2 K12C 1 81 0 u / 1 612C 1 91 0 u / 1 63217V R 2 A2 0 K A * 26548V R 2 B2 0 K A * 2R 1 54 7 KR 1 64 7 K12J 2 AT 5 8 5 7 A A A F31J 2 BT 5 8 5 7 A A A F45J 2 CT 5 8 5 7 A A A F64J 2 DT 5 8 5 7 A A A FR 53 9 0 KR 63 9 0 K

42、R 1 74 7 KR 1 84 7 K12C 31 u / 5 012C 41 u / 5 012C 83 3 u / 2 5R 3 91 KR 4 01 K32184U 6 AN J M 4 5 8 0 LR 4 35 6 KC 1 22 2 PR 4 71 . 5 KR 5 18 2 0 KR 76 8 KR 1 94 7 K12C 2 01 0 u / 1 6C 3 23 9 2C 3 61 2 212C 93 3 u / 2 5567U 6 BN J M 4 5 8 0 LR 4 45 6 KC 1 32 2 PR 4 81 . 5 KR 5 28 2 0 KR 86 8 KR 2

43、04 7 K12C 2 11 0 u / 1 6C 3 33 9 2C 3 71 2 2213S W 2 AL B C 2 2 B - 1 7 銀654S W 2 BL B C 2 2 B - 1 7 銀R 5 54 7 0R 5 64 7 0R 6 51 KR 6 61 K3217V R 3 A1 0 K A * 26548V R 3 B1 0 K A * 212C 2 21 0 u / 1 612C 2 31 0 u / 1 6R 6 72 2 KR 6 82 2 K32184U 1 6 AN J M 0 8 2 L567U 1 6 BN J M 0 8 2 LR 6 95 6 KR 7

44、05 6 K1/2VP21/2VP232184U 1 7 AN J M 0 8 2 LR 7 12 2 K567U 1 7 BN J M 0 8 2 LR 7 22 2 K12C 2 41 0 u / 1 612C 2 51 0 u / 1 63217V R 4 A2 0 K A * 26548V R 4 B2 0 K A * 2R 2 14 7 KR 2 24 7 KR 2 32 7 KR 2 42 7 KR 2 52 7 KR 2 62 7 K12C 8 61 0 u / 1 6R 7 32 2 0 K32184U 1 8 AN J M 2 0 6 8 L12C 8 71 0 u / 1

45、612C 8 81 0 u / 1 6R 7 42 2 0 K567U 1 8 BN J M 2 0 6 8 L12C 8 91 0 u / 1 63217V R 1 4 A1 0 K A C * 26548V R 1 4 B1 0 K A C * 23217V R 1 5 A2 0 K A * 26548V R 1 5 B2 0 K A * 212C 9 01 0 u / 1 612C 9 11 0 u / 1 612C 9 21 0 u / 1 612C 9 31 0 u / 1 632184U 1 9 AN J M 2 0 6 8 L567U 1 9 BN J M 2 0 6 8 LR

46、7 51 0 KR 7 61 0 KR 7 71 0 0 KR 7 81 0 0 KR 1 6 32 2 0R 1 6 42 2 0R 1 6 52 2 0R 1 6 62 2 012J 3 AT 5 8 5 7 A A A F31J 3 BT 5 8 5 7 A A A F45J 3 CT 5 8 5 7 A A A F64J 3 DT 5 8 5 7 A A A F3217V R 5 A1 0 K A * 26548V R 5 B1 0 K A * 212C 9 61 u / 5 012C 9 71 u / 5 012C 9 82 2 u / 1 012C 9 92 2 u / 1 012

47、C 1 0 82 2 0 u / 1 012C 1 0 92 2 0 u / 1 032184U 7 AN J M 4 5 5 6 L567U 7 BN J M 4 5 5 6 LR 7 91 KR 8 01 KR 8 13 3 0 KR 8 23 3 0 KR 1 5 11 0 0 KR 1 5 21 0 0 KR 2 74 7 KR 2 84 7 KR 2 94 7 KR 3 04 7 K3217V R 1 3 A5 0 K B * 26548V R 1 3 B5 0 K B * 2R 3 12 2 KR 3 22 2 KR 3 32 2 KR 3 42 2 KR 1 6 74 7R 1

48、6 84 7R 1 4 52 2 KR 1 4 62 2 K123J 4 AH L J 0 5 4 6 - 0 1 - 0 1 0PHONE PGM1 LchPHONE PGM1 RchPHONE PGM2 LchPHONE PGM2 RchPHONE PGM1 LchPHONE PGM1 RchPHONE PGM2 LchPHONE PGM2 Rch124J 5H L J 0 5 4 6 - 0 1 - 1 1 0R 1 3 23 . 3 kR 1 6 91 0 0R 1 7 14 7 0 KR 1 7 24 . 7 KR 1 7 01 0 0 K12C 2 61 0 u / 1 63218

49、4U 8 AN J M 2 0 6 8 L567U 8 BN J M 2 0 6 8 L12C 1 0 01 0 u / 1 612C 1 0 11 0 u / 1 632145V R 1 61 0 K A12C 1 0 21 0 u / 1 6R 8 34 7 0 KR 8 41 8 KR 8 55 6 KR 8 62 7 KR 8 72 7 K12C 1 0 31 0 u / 1 6R 8 81 5 KR 8 91 0 KR 9 04 7R 9 11 0 KR 9 24 . 7 K21L E D 1S L R21L E D 2S L R21L E D 3S L R21L E D 4S L

50、R21L E D 5S L R12C 1 0 41 0 u / 1 6R 9 31 5 K21L E D 6S L R21L E D 7S L R21L E D 8S L R21L E D 9S L R21L E D 1 0S L RR 9 41 0 0 KR 9 51 0 0 KR 9 61 0 0 KR 9 71 0 0 K123456789I C 1B A 6 1 3 7123456789I C 2B A 6 1 3 712C 1 0 51 0 0 u / 1 621L E D 1 1S L R12C 54 . 7 u / 2 512C 1 1 02 2 0 u / 1 612C 2 7