Vox_ad120vt_service_manual_complete 电路图 维修原理图.pdf

S S Se e er r rv v vi i ic c ce e e MMMa a an n nu u ua a al l l AD120VT CONTENTS Circuit Diagram: Page 2-15 Structural Diagram: Page 16-17 Test Mode: Page 18-19 Parts List: Page:20-35 3rd Edition Issued date: June 20th, 2003 Issued by: KORG INC. 收音机爱好者资料库 Ra d i o Fa n s .CN digAMPBLK_A.sch-1 - Fri Oct 12 12:07:16 2001 收音机爱好者资料库 Ra d i o Fa n s .CN digAMPBLK_A.sch-2 - Fri Oct 12 12:07:45 2001 收音机爱好者资料库 Ra d i o Fa n s .CN digAMPBLK_A.sch-3 - Fri Oct 12 12:08:06 2001 digAMPBLK_A.sch-4 - Fri Oct 12 12:08:33 2001 dAMPmain_ver14.sch-1 - Wed Jun 26 17:13:17 2002 dAMPmain_ver14.sch-2 - Wed Jun 26 17:30:06 2002 dAMPmain_ver14.sch-3 - Wed Jun 26 17:33:48 2002 dAMPmain_ver14.sch-4 - Wed Jun 26 17:37:16 2002 AD60VT/AD120VT How to start and operate the test mode 1) AD60VT: REV CH1: FULL TEST REV CHI1 DWN: FULL TEST (LEVEL, TUNER, FC I/F SKIP) REV CH1 UP: EXTERNAL TEST ONLY 2) AD120VT: REV CH2: FULL TEST REV CH1 DWN: FULL TEST (LEVEL, TUNER, FC I/F SKIP) REV CH2 UP: EXTERNAL TEST ONLY BYP CH4: AUDIO TEST (A/D, D/A, THRU) Operations during the test mode: *Internal test CH1+CH3: RE-CHECKING OF THE STEPS IN ERROR CH1+CH4: ERROR SKIP CH1+DWN: RE-CHECKING THE N.G. ITEMS CH1+UP: SKIP THE N.G. ITEMS AND PROCEED TO THE NEXT ITEM. *External test: CH4: STEP UP CH3: RE-CHECKING THE STEPS IN ERROR UP: ITEM UP *Conditions when starting the test mode: -Loop the following jacks with cables respectively. AD60VT: SEND L INPUT HI, SEND R INPUT LO AD120VT: SEND L INPUT HI/LO -Connect a VC-4 (foot controller) to the product respectively. PART LIST MODEL: AD120V(POWER PART)PAGE :1-7 N0QTY SPECIFICATIONDESCRIPTIONREMARK NO SUPPLY11PWB010602APCB 350 x190 x1.6t FR-1 PWB010602A *V90320001522NJM072OP AMP NJM072 *V90320001333NJM4556OPAMP NJM4556 or M5216M5216 *V90453000542DG211ANALOGUE SWITCH DG211 *V90453000651MAX333ANALOGUE SWITCH MAX333 *V90302000364VN2410L *V903010002712SA1359-YTRANSISTOR PNP 2SA1359-YKTB631-Y *V903010003842SA1837TRANSISTOR PNP 2SA1837 *V903010004922SC2458-YTRANSISTOR NPN 2SC2458 or KTC3198-YKTC3198-Y *V9030100051012SC3422-YTRANSISTOR NPN 2SC3422 or KTD600-YKTD600-Y *V9030100061142SC4793TRANSISTOR NPN 2SC4793 *V903010007124KTA1024-YTRANSISTOR PNP KTA1024-Y *V9030100081322SA1943-OTRANSISTOR PNP 2SA1943-OKTA1943-O *V903010009144KTC3206-YTRANSISTOR NPN KTC3206-Y *V9030100101522SC5200-OTRANSISTOR NPN 2SC5200-OKTC5200-O *V903010011161KRA102MPNP-DIGITAL TRANSISTOR TYPE KRA 102M *V90321000217178L05VOLTAGE REGULATOR 78L05 *V9031110011861N4007SILICON RECTIFIRE DIODE 1N4007T *V9031110021981N4148SILICON SWITCHING DIODE 1N4148T *V903111008201KBU604BRIDGE RECTIFIER DIODE KBU604 *V903111009211SHSW04MBRIDGE RECTIFIER DIODE SHSW04M *V9031110032221N5245ZENER DIODE 15V 0.5W 1N5245T *V90500000223212AX7TUBE, VACUUME TUBE 12AX7 PART LIST MODEL: AD120V(POWER PART)PAGE :2-7 N0QTY SPECIFICATIONDESCRIPTIONREMARK *V905000001242VT9-PT-2TUBE SOCKET VT9-PT-2 *V903300010251250V T125mAFUSE TIME LAG 250V T125mA *V903300011261250V T1.6AFUSE TIME LAG 250V T1.6A *V903300012271250V T1AFUSE TIME LAG 250V T1A *V9033000092860751-0110FUSE CLIP 0751-0110(OG TYPE)T *V904020001292BEEDAXIAL BEED CORET *V904540002304EPJ-BBB-P(8)PHONE JACK EPJ-BBB-P(8) MONO *V904540003311EPJ-BBB-P(8)PHONE JACK EPJ-BBB-P(8) STEREO *V903620008321RS1620-20-15S-A10K-C0POTENTIOMETER RS1620-20-15S-A10K-C0 STEREO *V903630004334B10KSEMI POTENTIOMETER 10m/m B10K *V904530004341RS4401-15S-20ROTARY SWITCH 4C4P RS-4401-15S-20 *V904050013352OPT48OUTPUT TRANS SEE BELOW3619862-DJ,DU,DEPOWER TRANS(100V/120V/230V/240V) *V904050010 *V904050011 *V904050012 *V904530003371R13-28F-01-BINN-NAPOWER SWITCH R13-28F-01-BINN-NA *V9041001053828 ohm *V904700000391SC-8F-21AC CONNECTOR SC-8F-21 *V906000108401KKP253-16AAC POWER CORD 100V = KKP253-16A *V906000109KKP30(SVT)-16AAC POWER CORD 120V = KKP30(SVT)-16A *V906000110KKP4819R-16AAC POWER CORD 230V = KKP4819R-16A *V903300013411FUSEFUSE 100V = 250/T6.3A *V903300013FUSE 120V = 250V/T6.3A *V903300014FUSE 230V = 250V/T2.5A NO SUPPLY421220PCERAMIC CAPACITOR 50V J 22 _T PART LIST MODEL: AD120V(POWER PART)PAGE :3-7 N0QTY SPECIFICATIONDESCRIPTIONREMARK NO SUPPLY431220PCERAMIC CAPACITOR 50V J 22 _ T NO SUPPLY442470PCERAMIC CAPACITOR 50V J 47 _ T NO SUPPLY452221PCERAMIC CAPACITOR 50V J 220 _ T NO SUPPLY462221PCERAMIC CAPACITOR 50V J 470 _ T NO SUPPLY472471PCERAMIC CAPACITOR 500V J 470 _ T NO SUPPLY486471P/500VCERAMIC CAPACITOR 500V J 0.01 _ T NO SUPPLY491103P/500VCERAMIC CAPACITOR AC 400V J 0.01 _ T NO SUPPLY503KC103PPLASTIC FILM CAPACITOR 100V PP 0.001 _ T NO SUPPLY511M102PLASTIC FILM CAPACITOR 100V PP 0.001 _ T NO SUPPLY522M102PLASTIC FILM CAPACITOR 100V PP 0.0022 _ T NO SUPPLY536M472PLASTIC FILM CAPACITOR 100V PP 0.0047 _ T NO SUPPLY5412M103PLASTIC FILM CAPACITOR 100V PP 0.01 _ T NO SUPPLY552M333PLASTIC FILM CAPACITOR 100V PP 0.033 _ T NO SUPPLY562M393PLASTIC FILM CAPACITOR 100V PP 0.039 _ T NO SUPPLY572M473PLASTIC FILM CAPACITOR 100V PP 0.047 _ T NO SUPPLY5813M104PLASTIC FILM CAPACITOR 100V PP 0.1 _ T NO SUPPLY592M224PLASTIC FILM CAPACITOR 100V PD 0.22 _ T NO SUPPLY604M223/250VMETALLIZED POLYPROPYLENE FILM 250V MP 0.022 _ T NO SUPPLY6152.2/63VCHEMICAL CONDENSOR 63V SG 2.2 _ T NO SUPPLY62210/350VCHEMICAL CONDENSOR 350V SG 10 _ T NO SUPPLY63122/25VCHEMICAL CONDENSOR 25V SG 22 _ T PART LIST MODEL: AD120V(POWER PART) N0QTY SPECIFICATIONDESCRIPTIONREMARK NO SUPPLY64122/25VCHEMICAL CONDENSOR 25V SG 22 _ NO SUPPLY65247/50VCHEMICAL CONDENSOR 50V SG 47 _ T NO SUPPLY664100/25VCHEMICAL CONDENSOR 25V SG 100 _ T NO SUPPLY672100/100VCHEMICAL CONDENSOR 100V SG 100 _ NO SUPPLY681100/250VCHEMICAL CONDENSOR 250V SG 100 _ NO SUPPLY6912200/16VCHEMICAL CONDENSOR 16V SG 2200 _ NO SUPPLY7022200/16VCHEMICAL CONDENSOR 63V SG 6800 _ NO SUPPLY7126800/63VCARBON RESISTOR 1/6 WATT J 22 ohmT NO SUPPLY72847 ohmCARBON RESISTOR 1/6 WATT J 47 ohmT NO SUPPLY732120 ohmCARBON RESISTOR 1/6 WATT J 120 ohmT NO SUPPLY742330 ohmCARBON RESISTOR 1/6 WATT J 330 ohmT NO SUPPLY752560 ohmCARBON RESISTOR 1/6 WATT J 560 ohmT NO SUPPLY76141K ohmCARBON RESISTOR 1/6 WATT J 1K ohmT NO SUPPLY7721.2K ohmCARBON RESISTOR 1/6 WATT J 1.2K ohmT NO SUPPLY7821.8K ohmCARBON RESISTOR 1/6 WATT J 1.8K ohmT NO SUPPLY7942.2K ohmCARBON RESISTOR 1/6 WATT J 2.2K ohmT NO SUPPLY8044.7K ohmCARBON RESISTOR 1/6 WATT J 4.7K ohmT NO SUPPLY81710K ohmCARBON RESISTOR 1/6 WATT J 10K ohmT NO SUPPLY821822K ohmCARBON RESISTOR 1/6 WATT J 22K ohmT PART LIST MODEL: AD120V(POWER PART) N0QTY SPECIFICATIONDESCRIPTIONREMARK NO SUPPLY83424K ohmCARBON RESISTOR 1/6 WATT J 24K ohmT NO SUPPLY84227K ohmCARBON RESISTOR 1/6 WATT J 27K ohmT NO SUPPLY85447K ohmCARBON RESISTOR 1/6 WATT J 47K ohmT NO SUPPLY86268K ohmCARBON RESISTOR 1/6 WATT J 68K ohmT NO SUPPLY872100K ohmCARBON RESISTOR 1/6 WATT J 100K ohmT NO SUPPLY882120K ohmCARBON RESISTOR 1/6 WATT J 120K ohmT NO SUPPLY894150K ohmCARBON RESISTOR 1/6 WATT J 150K ohmT NO SUPPLY904180K ohmCARBON RESISTOR 1/6 WATT J 180K ohmT NO SUPPLY918470K ohmCARBON RESISTOR 1/6 WATT J 470K ohmT NO SUPPLY9242.2M ohmCARBON RESISTOR 1/6 WATT J 2.2M ohmT NO SUPPLY93210M ohmCARBON RESISTOR 1/6 WATT J 10M ohmT NO SUPPLY94210 ohm1% METAL FILM RESISTOR 1/6 WATT F 10 ohmT NO SUPPLY95224 ohm1% METAL FILM RESISTOR 1/6 WATT F 24 ohmT NO SUPPLY96230 ohm1% METAL FILM RESISTOR 1/6 WATT F 30 ohmT NO SUPPLY97243 ohm1% METAL FILM RESISTOR 1/6 WATT F 43 ohmT NO SUPPLY98262 ohm1% METAL FILM RESISTOR 1/6 WATT F 62 ohmT NO SUPPLY994330 ohm1% METAL FILM RESISTOR 1/6 WATT F 330 ohmT NO SUPPLY1002910 ohm1% METAL FILM RESISTOR 1/6 WATT F 910 ohmT NO SUPPLY10121.2K ohm1% METAL FILM RESISTOR 1/6 WATT F 1.2K ohmT NO SUPPLY10242.2K ohm1% METAL FILM RESISTOR 1/6 WATT F 2.2K ohmT NO SUPPLY10328.2K ohm1% METAL FILM RESISTOR 1/6 WATT F 8.2K ohmT NO SUPPLY104212K ohm1% METAL FILM RESISTOR 1/6 WATT F 12K ohmT NO SUPPLY105218K ohm1% METAL FILM RESISTOR 1/6 WATT F 18K ohmT PART LIST MODEL: AD120V(POWER PART) N0QTY SPECIFICATIONDESCRIPTIONREMARK NO SUPPLY10645.1K ohmCARBON RESISTOR 1/4 WATT J 5.1K ohmT NO SUPPLY107410K ohmCARBON RESISTOR 1/4 WATT J 10K ohmT NO SUPPLY108256K ohmCARBON RESISTOR 1/4 WATT J 56K ohmT NO SUPPLY109282K ohmCARBON RESISTOR 1/4 WATT J 82K ohmT NO SUPPLY1102100K ohmCARBON RESISTOR 1/4 WATT J 100K ohmT NO SUPPLY111210/1WCARBON RESISTOR 1 WATT J 10 ohm NO SUPPLY1123100/1WCARBON RESISTOR 1 WATT J 100 ohm NO SUPPLY11311K/1WCARBON RESISTOR 1 WATT J 1K ohm NO SUPPLY11421.5K/1WCARBON RESISTOR 1 WATT J 1.5K ohm NO SUPPLY11540.33/3WWIRE WOUND RESITOR 3WATT J 0.33 ohm NO SUPPLY11640.68/5WWIRE WOUND RESITOR 5WATT J 0.68 ohm NO SUPPLY1172100/10WWIRE WOUND RESITOR 10WATT J 100 ohm NO SUPPLY1189GP881191-2POWER TERMINAL GP881191-2 *V90470000111942P WAFER2P WAFER 2mm PICH *V90475200112013P CONNECTORFLAT WIRE UL1007 AWG26 BLK,WHT,WHT 150m/m *V9047520101212170 m/m3P FLAT WIRE UL2877 BLACK 170 m/m *V9047530011221360 m/mRING/TER WIRE UL1015 AWG18 GRN 360m/m *V9047510031231380 m/m205/TER WIRE UL1015 AWG18 RED 380m/m *V9047510021241380 m/m205/TER WIRE UL1015 AWG18 BRN 380m/m *V9047510041251480 m/m205/TER WIRE UL1015 AWG18 WHT 480m/m *V9047510011261480 m/m205/TER WIRE UL1015 AWG18 BLK 480m/m NO ENTRY1271150 m/m PART LIST MODEL: AD120V(POWER PART) N0QTY SPECIFICATIONDESCRIPTIONREMARK *V9047510051281150 m/m250/TER WIRE UL1617 AWG22 BLK 150m/m NO ENTRY129217 m/mJUMPER WIRE 0.6 pi 17 m/mT NO ENTRY130115 m/mJUMPER WIRE 0.6 pi 15 m/mT NO ENTRY131712 m/mJUMPER WIRE 0.6 pi 12 m/mT NO ENTRY1323910 m/mJUMPER WIRE 0.6 pi 10 m/mT NO ENTRY133608 m/mJUMPER WIRE 0.6 pi 8 m/mT NO ENTRY134BOND *V9064300331352MICAINSULATE SPACER MICA *V9064300341364P-520-02RESISTOR SUPPORT P-520-02 NO ENTRY1378CABLE TIE PART LIST N0QTY SPECIFICATIONDESCRIPTIONREMARK *V90900000811PWB010601CPCB 140 x32x1.6t FR-1 PWB010601C *V90454000224EPJ-BBB-P(8)PHONE JACK EPJ-BBB-P(8) MONO *V90454001231R13-28F-SGMODULAR JACK R13-28F-SG *V90454001131BEEDAXIAL BEED CORE *V904020001413BEEDAXIAL BEED CORET NO ENTRY54220PCERAMIC CAPACITOR 50V J 22 _T NO ENTRY68104PCERAMIC CAPACITOR 50V J 0.1 _T NO ENTRY7147/1WCARBON RESISTOR 1 WATT 47 OHM NO ENTRY81JUMPER WIRE 0.6 pi 10 m/mT *V904700002913P WAFER3P WAFER 2mm PICH *V9047000031018P WAFER8P WAFER 2mm PICH *V9047530021113P ANGLE CONNECTORSHIELD WIRE UL2547 AWG26 GRY 240m/m PART LIST DATE : 2002, 2, 28. N0QTY SPECIFICATIONDESCRIPTIONREMARK *V90900000411PWB010601DPCB 420 x99x1.6t FR-4 PWB010601D *V90900000721PWB010601EPCB 56x30 x1.6t FR-4 PWB010601E *V90320000532BU4051BCF8-CHANNEL ANALOG MULTIPLEXER BU4051BCFT 32001122341M38258MCMM-COM M38258MCMT *V90320000751BA10358DUAL GROUND SENSE AP-AMP BA10358T *V90320000861KIA7805AFVOLTAGE REGULATOR KIA7805AFT *V90320000971AK93C75AV8KBIT SERIAL C-MOS EEFROM AK93C75AVT *V90320001081KIA7125FVSYSTEM RESETTING KIA7125FVT *V9032000119174HC05HEX INVERTER 74HC05T *V903200012101TC7S14FUSCHMITT INVERTER TC7S14FUT *V903010012114KRA102SDIGITAL TRANSISTOR PNP KRA102ST *V903010013129KRC102SDIGITAL TRANSISTOR NPN KRC102ST *V903010014131KDS226SHIGH SPEED SWITCHING DIODE KDS226ST *V903010015148KDS184SHIGH SPEED SWITCHING DIODE KDS184ST *V903120007151A551HLED DISPLAY A551H *V9033500011618 MHZCRYSTAL 8 MHz *V904020002172BEEDCHIP BEED CORET *V904020001184BEEDAXIAL BEED CORE 334000600191PC410KPHOTO COUPLERS PC410KT *V904530007201BTQS20VENCORD SWITCH BTQS20V *V9036200092113RV1620-40-15S-B10K-C0POTENTIOMETER RV1620-40-15S-B10K-C0 MONO *V903620010221RV1620-40-15S-A10K-C0POTENTIOMETER RV1620-40-15S-A10K-C0 STEREO PART LIST N0QTY SPECIFICATIONDESCRIPTIONREMARK *V903620011231RV1600-40-15S-B10K-C1111 CLICK VOLUME RV1600-20-15S-B10K-C11 *V904540002242EPJ-BBB-P(8)PHONE JACK EPJ-BBB-P(8) MONO *V9045300082514ST-1101BTACT SWITCH ST-1101B 9.5 m/m *V9031200012619KLR124LED RED 3 pi KLR124 *V903120003271KLR114LED RED 5 pi KLR114 NO ENTRY2811/50VCHEMICAL CONDENSOR 50V SS 1 _ NO ENTRY29110/16VCHEMICAL CONDENSOR 16V SS 10 _ NO ENTRY301100/10VCHEMICAL CONDENSOR 10V SS 100 _ NO ENTRY312100/16VCHEMICAL CONDENSOR 16V SS 100 _ NO ENTRY326220PCHIP CERAMIC CAPACITOR 1608 J 22 _T NO ENTRY331221PCHIP CERAMIC CAPACITOR 1608 J 220 _T NO ENTRY341223PCHIP CERAMIC CAPACITOR 1608 J 0.022 _T NO ENTRY3539104PCHIP CERAMIC CAPACITOR 1608 J 0.1 _T NO ENTRY362220PCERAMIC CAPACITOR 50V 22 _ NO ENTRY373104PCERAMIC CAPACITOR 50V 0.1 _ NO ENTRY385000 ohmCHIP RESISTOR 1608 1/16 WATT J 0 ohmT PART LIST N0QTY SPECIFICATIONDESCRIPTIONREMARK NO ENTRY391710 ohmCHIP RESISTOR 1608 1/16 WATT J 10 ohmT NO ENTRY401100 ohmCHIP RESISTOR 1608 1/16 WATT J 100 ohmT NO ENTRY414220 ohmCHIP RESISTOR 1608 1/16 WATT J 220 ohmT NO ENTRY4228470 ohmCHIP RESISTOR 1608 1/16 WATT J 470 ohmT NO ENTRY431560 ohmCHIP RESISTOR 1608 1/16 WATT J 560 ohmT NO ENTRY44191K ohmCHIP RESISTOR 1608 1/16 WATT J 1K ohmT NO ENTRY453010K ohmCHIP RESISTOR 1608 1/16 WATT J 10K ohmT NO ENTRY46122K ohmCHIP RESISTOR 1608 1/16 WATT J 22K ohmT NO ENTRY47147K ohmCHIP RESISTOR 1608 1/16 WATT J 47K ohmT NO ENTRY481100K ohmCHIP RESISTOR 1608 1/16 WATT J 100K ohmT NO ENTRY4921M ohmCHIP RESISTOR 1608 1/16 WATT J 1M ohmT *V9047000045022P ANGLE WAFER2P ANGLE WAFER 2mm PICH *V9047520035112P ANGLE CONNECTORFLAT WIRE UL1007 AWG26 BLK,RED 250mm *V9047520045212P ANGLE CONNECTORFLAT WIRE UL1007 AWG26 BLK,RED 380mm PART LIST N0QTY SPECIFICATIONDESCRIPTIONREMARK *V9047520025312P ANGLE CONNECTORFLAT WIRE UL1007 AWG26 BLK,RED 120mm *V9047530055413P ANGLE CONNECTORSHIELD WIRE UL2547 AWG26 GLY 190mm *V9047530065513P ANGLE CONNECTORSHIELD WIRE UL2547 AWG26 GLY 90mm *V9047520065613P ANGLE CONNECTORFLAT WIRE UL1007 AWG26 BLK,WHT,WHT 160mm *V9047530035714P ANGLE CONNECTORSHIELD WIRE UL1533 AWG26 GRY 240mm : CON1 *V904753004SHIELD WIRE UL1533 AWG26 GRY 400mm : CON2 *V9047520095818P ANGLE CONNECTORFLAT WIRE UL1007 AWG26 BLK,WHT,WHT 180mm *V9047520055919P ANGLE CONNECTORFLAT WIRE UL1007 AWG26 BLK,WHT,WHT 110mm PART LIST MODEL: AD-120VTPAGE :1-3 N0QTY SPECIFICATIONDESCRIPTIONREMARK *V90641000111MDF 18tWOODEN CABINET *V9064300171-13(2510 x 323,664 x 157,664 x 287,664 x 90)LEATHER *V906440005(690 x 354)NET *V906440001654m/mGOLD FRONT PANEL *V906440003Phi 2.5 x 2431, Phi2.5 x 2051GOLD BEADING *V906440002Phi5 x 2290m/mWHITE STRIPER *V90640000123PVCHANDLE BAR *V90640000236DIE CASTINGHANDLE EDGE *V90640001842ABSVENT GRILL *V90640000958NYLON6CORNER *V90640000861ABS(GOLD) VOX (Large)BRAND MARK *V90640000771ABS(GOLD STAMPING) VALVETRONIEMBLEM *V90642000184SBR (Large)RUBBER FOOT *V9064200039140 x 10 x 1tSPEAKER RUBBER *V906430010101EGI 1.2tMAIN CHASSIS *V906430012112EGI 1.2tCHASSIS COVER *V906430005121P.V.C 0.5t HAIRLINEFRONT PANEL SEE BELOW131P.V.C 0.5t BKREAR PANEL *V906430008 *V906430027 *V906430028 *V906430029 *V906430030 *V9064000031411ABS (CHICKEN HEAD)KNOB *V906400017157ABSROUND KNOB *V906400016168ABSTACT KNOB *V906400010171ABSTACT KNOB(1) *V906400011181ABSTACT KNOB(2) *V906400012191ABSTACT KNOB(3) *V906400013201ABSTACT KNOB(4) *V906400014211ABSTACT KNOB(Upper) *V906400015221ABSTACT KNOB(Lower) *V906430035237BRASS 30m/mPCB SPACER PART LIST MODEL: AD-120VT N0QTY SPECIFICATIONDESCRIPTIONREMARK *V906430013242SPC1 1tMAIN