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1、SERVICE MANUALDOUBLE CASSETTE DECKNo.4363BJul. 2001COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD.TD-W254BKTD-W254BKSupplementArea suffixJCENUU.S.ACanadaNorthern EuropeOther AreasThe transformer and the circuit board have already been changedin issued model TD-W254BK (No.4363).STANDBY / ONPOWER REC/REC
2、 MUTE PAUSECOUNTER RESET COUNTER RESETPHONESA B SYNCHRO DUBBINGNORM SPEED HIGH SPEEDPLAYPLAYMIN MAX12534 6INPUT LEVEL789TD-W254ON OFFDOUBLE CASSETTE DECK DOLBY B-C NR HX PROAUTO TAPE SELECTOR / CONTINUOUS PLAYREVERSE MODEDOLBY B NROFF CBBREC/PLAYBACKAUTO REVERSEAPLAYBACKAUTO REVERSESTANDBYPlease con
3、firm this SCHEMATIC DIAGRAMS (No.4363BSCH) to the schematic diagramand the circuit board.Please refer to TD-W254BK (No.4363) for the content of the text.200107VICTOR COMPANY OF JAPAN, LIMITEDPERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan(No.4363B)TD-
4、W254BKABC12 3 45TD-W254BK2-1Block diagramFL MUTEDI701Q705Q706Q7071173537159152210112128641375152 4428744137 939711112101728723 8 9163031284748234567924METER(R)METER(L)G0 G6Q8251REC MUTEVR126REC LEVEL ADJ(L)VR226REC LEVEL ADJ(R)Q2251Q1251B70Q1152DECK B PB HEAD AMPRECQ8163IC81563VR217B DECK LEVEL ADJ(
5、R)Q2152REC AMPIC825VR117B PB LEVEL ADJ(L)S1-S16IC701IC861HEADPHONESIC852LEVEL METER AMPJ8601H.P.JACKLINE OUTLRIC835DOLBY NRRECOUT(R)RECOUT(L)PB IN(R)PB IN(L)12.13Q8171PB OUT(L)RECIN (L)REC IN (R)PB OUT(R)IC818PB SIGNAL SELECTA70 5.6Q8172B PB A PBIC81173PB HEAD AMPDECK AIC851VOL.CONTROL & DD RPIC812P
6、B EQ SWITCHVCAVCALINE INDECK APB HEADVR111A PB EQ ADJ(L)VR211A PB EQ ADJ(R)DECK B REC/PB HEADVR116B PB EQ ADJ(L)VR216B PB EQ ADJ(R)ERASE HEADIC845B HX PROL2401 L1401BIAS DSCQ8491Q8492Q8481Q8482+B-BL8401FREQUENCY ADJ-7V -7VVR246BIAS ADL(R)VR146BIAS ADJ(L)REC/PB SELECT IC816Q2101Q1101DB101VR212 VR112H
7、S(R) (L)A PB LEVEL ADJHSLRLRLRVR601Input LevelTD-W254BK2-2Parts are safety assurance parts.When replacing those parts makesure to use the specified one.Recording signalIndicator signalP.B signal (Deck A)P.B & H.P signal (Deck B)Equalizer & headphone amp circuitStandard schematic diagramsABCD E F G12
8、3452-3TD-W254BKNote:/s/t/T235812AV.001VDH2358-102AV_1/1 IC811CN801CN802Q8163Q8101J701VR117Q1101R1104R1109IC811VR217IC815IC816Q2101R2104R2109Q8471R8151VR116VR216Q8171C8901VR112C1154C2154R2155R1154R1159Q8172IC815R8152IC861J8601IC891VR212R1155R1158R2158R2154R2159C1156C2156Q1152Q2152R1108R1106R1105R2108
9、R2106R2105C1104C2104R1110R2110C2106C1106R1601R2601R1602R2602R1604R2604IC861L8401R2452 C2456C2452R2451R1452R1451C1452C1456Q8481 R8482R8484R8483Q8482Q8491Q8492R8492R8493C8496C8495CN815CN811C8493IC818VR146C1152R8101C2152R1152VR246VR111R2152R8173CN861R8171C1101C1108C1102R1102C1103C1105D8481C8101R8172R81
10、02C8102R8471C2107C2101C2108C2102R2102C2103C2105R1111C1601C1107R8451C1151C1153C1155R8104C2169C8151C1169C1602C8152C2602C2151C2153C2155C8453R1165R2165IC812R1107R2107R8103VR211R1101R2101C2601R1603R1605R2605 R2603C8602C8601R2111R1160R2160R1161R2161R8452 R8453D8451 D8452CN845R8472CN862R8474R8473 R8475D810
11、1C8483C2454IC845C2453C2455R1453C1457C2451R2453C1451C1453C1454C1455C2457C8451C8454C8455L1401L2401C8452R8481C8481C8482C8492R8485R8486R8491C8494C8491AN6557FQGF1205C1-06QGF1205C1-20QMS3533-V01QVP0004-101Z270K15AN6557FQVPA601-101AZAN6557FUPC1330HA270K1522kQVP0004-104ZQVP0004-104Z0.010.0120.012 6.8K270K15
12、AN6557F22KBA15218NQNS0092-001M50253P6.8K 4.7K4.7K270K154.7/504.7/503.6K4.7K3.3K3.6K4.7K3.3K0.010.0133K33K4.7/504.7/50150150120K120K5.6K5.6KBA15218NQQR0845-00133K0.039100P270K33K270K100P0.039151K1K82K82K0.00150.0015QGF1220F1-06QGF1220F1-060.022BU4066BCQVP0004-203Z330P22k330P4.7kQVPA601-203AZQVP0004-1
13、04Z4.7k100KQGB2003L1-051K470P150P150P4.7K150P220/100.01100K100K0.011.8K470P470P150P150P4.7K150P220/1012K0.022470P4.7K0.001QVP0004-101Z150P220/1047K270P10/25270P0.00220.010.00220.001QVPA601-101AZ150P220/101/501M1MBU4066BC2K2K1KQVP0004-104Z1M1M0.02210K1.8K1.8K10K0.010.0112K33K33K12K12K3.6K 3KQGA2512C1
14、-05Z22KQGB2003M2-051.8K22K 47K330/250.01UPC1297CA560P0.0221010/25560P/10010560P/100560P0.010.02210/2510/25100/10100/10QQR0847-001QQR0847-00110P10K4.7/50100/1047/254703.3K6.80.0010.01/100HSRECSIG-RMUTELINEOUT-LLINEOUT-RNS7VRECSIG-LGNDPBIN-L-7VPBIN-R5VRECMUTENRRECDUBNRSWDDRPDDRPSEL-24VF1F25.6V11VSTBYV
15、OLRETURNVOLSENDMETER-LMETER-RRESETPOFFBCrO2B70BMETALParts are safety assurance parts.When replacing those parts makesure to use the specified one.Dolby circuit & power circuitRecording signalIndicator signalP.B & H.P signal (Deck B)HABC DE FG12345TD-W254BKTD-W254BK2-4Note:/s/t/T235812BV.001VDH2358-1
16、02BV_1/1L1351L2351Q8352R1356R2356R1354R1355R2251R1251IC825Q8251Q2251Q901C2251R2252R941R2258C2360R2253R2255C2253C2254L2252R2257R2261R2262R2263R2264C2261C2263Q909Q912C900IC901IC901Q903C2264S901C2262Q2262Q1261R2265R2267C2267Q2252Q905R901R921C914R902Q1251R1252IC825C1251R1258C941R1253R1255C1253C1254P1T90
17、1P3C930L1252R923W1R2266R2270R1257Q1252R1261R1262R1263R1264C1261C1263C1264C1262Q1262Q2261R1265R1267C1267R1254R2254D910C2252C1252R1270R937R933C931R908C2355C1355Q1511Q2511Q8511R1266IC852R1513 R2513J8501R2515R1515IC851C8502Q8501Q8503Q8504 Q8502L1251D908R8504C1256L2251C2256R927R928Q908Q907C8501Q8351Q8353
18、R8354 Q8252C2266C2265D8351R8505C1266C1265P1Q913F903T901P3T901R940Q915C930F901F902W1F901F902w1R8353C8351C8352R8352R8351R1351R2351R1353C1360C1358C1357 C1359C2358C2357C1354R2353C2359C2354R2354 R2355VR226C8251R2259R2256C2257C2258D926C927C2255C903D923D924IC826D905C904VR126D904D901D902 D903R912R913R914R91
19、5C910C911C908C901C902R918 R917C8252IC835R1357C907R2357R1259R1256D907D918D922D913C923C921C920C924C917C915D906CN901C1257D921C1258C1255D909C918R8251R938R910R929R930C2356C1356C1351 C2351D8252D917R8253C909D914R2517R1517R8513R8514C8513R8515R8516D8513R1511 R2511D1511D2511R1502 R2502R2514R1514 R1512R1501 R2
20、501 R1503 R2503R2512C2511C1511R2516R1516C8512C8511C8503R8503C2501R8502C1501C906C930R8355R8252R8501R2273R1273R8255 D8253R1504 R2504D8514FW901FW901D925 C928CN901CN901QQR0879-001QQR0879-00122K22K100K 1.5K4.7K4.7KQVP0004-203ZBA15218N33P3.3K4701804.7/2533K8.2K0.33/501/504.7mH15K5.6K6.8K2.2K2.2K0.00820.00
21、330.0047/250VM5218AL0.047QSW0632-0010.0335.6K1.8K0.0124.710330/50QVP0004-203Z11ES2-T44.73.3K33P1800.22/5033K8.2K0.33/501/500.014.7mH8206.8K1M15K5.6K6.8K2.2K2.2K0.00820.00330.0470.0335.6K1.8K0.01212K12K 0.00470.00471M4.7270150P1800.00220.00226.8KBA15218N68K 68KQNN0135-0012222AN7384N100/1018mH10k150P/
22、50018mH150P/5004.7k4.7k100/1015K0.0270.006810k0.0270.0068T315mAL6.80.01T800mALT800mALT800mALT800mAL47470/10470/104718K2.2K2.2K4.7K4.7/250.1/500.0022 0.1/500.1/500.00224.7/254.7K0.1/504.7/25100K 1.5K0.011M1.5K0.0120.0068MTZJ6.8B-T2100/10470P2200/25BU4066BCMA7002200/2510K10K10K10K330/10330/10470/100.0
23、10.0110K 10K0.01HA12142NT560100/255601M1.5KMTZJ3.6A-T2MTZJ12C-T2MTZJ6.2B-T2MTZJ24D-T2330/10470/16100/16100/10100/25220/50QGD2501C1-05Z0.0120.0068470P10/251K33010K3903900.00220.00224.7/25 4.7/2522K4.7/502.2K2.2K22K10K1/5010010K2.7K 2.7K22K 22K27K27K 10K39K 39K 1k 1k10K10/2510/251K1K0.010.011/5010k4.7
24、/2568K4.7/250.010.0118K100K10k4.7K4.7K22K18K 18K47/25QGD2501C1-05ZQGD2501C1-05ZSTBYVOLRETURNNSPBIN-L5.6V5V-24VRESETRECMUTE-7VPOFFF1METER-LMETER-RPBIN-RNRSWDUBNRREC11VLINEOUT-RBMETALVOLSENDRECSIG-RDDRPSEL7VF2RECSIG-LMUTELINEOUT-LGNDB70DDRPBCrO2Parts are safety assurance parts.When replacing those par
25、ts makesure to use the specified one.Indicator signalDisplay & Mecha control circuitABCD E F G123452-5TD-W254BKNote:/s/t/T235812CV VDH2358-102CV_1/1CN721 CN711CN601S601S607CN701D716Q704CN712Q707CN722Q706DI701Q705S608Q751S624S605 S604S625S626S627Q752IC701S628 S629 S630S621 S622S623R601R622R607R608R62
26、1R624R625R627 R628Q740CN613CN603Q703D717Q745S610S603S602D718R603Q709R623D741R765R767R768Q708S606R606 R605R626VR601R716VR704R718VR703W703VR702Q710Q711D715R785R786R783R784D712VR701Q712R756CN614FW701R769R752CN604D709D710R766R702Q744R733 R731 R736IC733IC731R734IC734IC732B7101R711D701Q701Q702R708X701R701
27、C701R742R751Q743R743D711CN602R780R651R673R781R762R761R652R746R782R653R712R654R655R656CN702R657R658R604D719R609D705R610D702R659R660R661R662R663R664R665R666R667R668R669R670R671R672C733R717R715D703D707D704D708 D706C703R719D720D713C706R748R747R749R770R771R772R773R774R775R764D721 D722D724 D723R753R754R74
28、0R741R735R732R755R710R703R707R706R705R704R709C702Q741Q742R750R745C731QGB1219K1-08S QGB1219K1-08SDN6851AQGF10205F1-06DN6851AQGB1219J1-15S QGB1219J1-15SQGB1219J1-08SQGF1205F1-20QGB1219K1-15SQGB1219K1-15SQGB1219J1-08SMB88514B-1730T1K1.8K1.8K2.7K2.2K1K1.2K2.7K 4.7KQGB2012J1-06QGG2002M2-06QSS7A23-V03QSS7
29、A23-V0318K2.7KSLR-56VC-T121506.8K6.8K1.2K 1K1.8KQVGA12B-V061K QVP0077-203Z220QVP0077-103Z22K22K22K22K10KQGB2012J1-046.8K10KQGG2002M2-046.8K2201.8K3.3K1.8KTA8409SBA62183.3KTA8409SBA621847K2.7KQAX0246-001Z15K100/1015K15K10KMSI-5B2LWMSI-5B2LWQGF1205F1-06MSN-5D257A MMN-6F4RA3822k47K47K22k22K22K47K220K22
30、k47K22K47K47K47KQGF1205F1-0647K47K27K10K 10K47K47K47K47K47K47K47K47K47K47K47K47K47K47K10/251K22K470P2200.0047220K220K220K100MSN-5D257A MMN-6F4RA3810010010010010010K220K220K220K220K10K10K4.72204704701K1K 1K10K470P68k68k10/25KEY05.6VD-GNDSTBYRESET5VDCSB70G6G0G4G5G1F1G3G2S1-7V11VS2F2S3S4S5S6S7S8A70S9S1
31、0A70-24VCLKS11S12S13S14S15S16POFFKEY1KEY2BMETALKEY3METER-LMETER-RDATAB70BMETALPOFFKEY0KEY1KEY2KEY3M-GNDF2B.AB.RC B.RR B.FCG0G1A.AB.FRA.RCA.RR-24VG2G3G4G5G6A.RRF1A.FCA.F.CAMA.FRS1S2S3S4B.BS5S6S7S8S9S10S11S12S13S14S15S16A.R.CAM B.R.CAM B.F.CAMA.R.REELA.F.REELB.F.REELB.R.REELA.BA.FRB.RCB.FR B.RRB.FCA.R
32、C A.FCHABC DE FG12345TD-W254BKTD-W254BK2-6Main boardPrinted circuit boardsPower supply boardJ/C ver. onlyU ver. onlyEN ver. onlyMain boardNote:/d4/n/lvb20034/001a/20034Power supply board for EN ver. T901FW901C930W1P1P3W2W3S901C900W2W3Note:/d3/t/vmw1372/004/1372C901C902C903C904C906C907C908C909C910C91
33、1C914 C915C917C918C920C921C923C924C925C927C928C931C941C1101C1102C1103C1104C1105C1106C1107C1108C1151C1152C1153C1154C1155C1156C1251C1252C1253C1254C1255C1256C1257C1258C1261C1262C1263C1264C1267C1351C1354C1355C1356C1357C1358 C1359C1360C1451C1452C1453C1454C1455C1456C1457C1501C1511C2101C2102C2103C2104C2105
34、C2106C2107C2108C2151C2152C2153C2154C2155C2156C2251C2252C2253C2254C2255C2256C2257C2258C2261C2262C2263C2264C2267C2351C2354C2355C2356C2357C2358C2359C2360 C2451C2452C2453C2454C2455 C2456C2457C2501C2511C8101C8102C8151C8152C8251C8252C8351 C8352C8451C8452C8453C8454C8455C8481C8482C8483C8491C8492C8493C8494C8
35、495C8496C8501C8502C8503C8511C8512C8513C8601 C8602C8901C1259CN802CN845CN861CN901D901D902D903D904D905D906D907D908D909D910D913D914D917D918D921D922D923D924D925D926D8514D1511D2511D8101D8251D8252D8451D8452D8481D8511D8512D8513IC811IC812IC815IC816IC818IC825IC826IC835IC845IC851IC852IC861IC891IC901J701J8501L1
36、251L1252L1351L1401L2251L2252L2351L2401L8401Q901 Q903Q905Q907Q908Q909Q912Q913Q915Q1101Q1152Q1251Q1252Q1253Q1261Q1262Q1511Q2101Q2152Q2251Q2252Q2253Q2261Q2262Q2511Q8101Q8163Q8171Q8172Q8251Q8252Q8253Q8351Q8352Q8353Q8471Q8481Q8482Q8491 Q8492Q8501Q8502Q8503Q8504Q8511R901R902R908R910R912R913R914R915R917R91
37、8R921 R923R927R928R929 R930R931R933R937R938R940R941R1101R1102R1104R1105R1106R1107R1108R1109R1110R1111R1152R1154R1155R1158R1159R1160R1161R1165R1251R1252R1253R1254R1255R1256R1257R1258R1259C2259R1261 R1262 R1263R1264R1265 R1267R1270R1271R1272R1273R1351R1353R1354R1355R1356R1357R1451R1452R1453R1501R1502R
38、1503R1511 R1512R1513R1514R1515R1516R1517R1601R1602R1603R1604R1605R2101R2102R2104R2105R2106R2107R2108R2109R2110 R2111R2152R2154R2155R2158R2159R2160R2161R2165R2251R2252R2253R2254R2255R2256R2257R2258R2259R8255R2261R2262R2263R2264R2265R2267R2270R2271R2272R2273R2351R2353R2354R2355R2356R2357R2451R2452R245
39、3R2501R2502R2503R2511R2512R2513R2514R2515R2516R2517R2601R2602R2603R2604R2605R8101R8102R8103R8151R8171R8172R8173R8251R8252R8253R8351R8352 R8353R8354R8355R8451R8452R8453R8471R8472R8473R8474R8475R8481R8482R8483R8484R8485 R8486R8491R8492R8493R8501R8502R8503R8504R8511R8513R8514R8515R8516VR111VR112VR116VR
40、117VR126VR146VR211VR212VR216VR217VR226VR246Z901Z902Z903Z904T901P2P3P1FW901W1C930R8901R8104R2505R8505C8902R1268R1266C1265C1266C1268C2265C2266C2268R2268R2266R1504C1602C2602R2504D8352D8351R8152CN801D8253C1169C2169C1109C2109L8402R1505R1352R23525BE161EEDSSD19PBLEVELADJ.998BEEB15910181BE81E148ADJ.RECLEVEL
41、81B BEEBBEEBEBEBEBEBEBBE17EBEBEEBB16BE1EBEBE8BEBE1418711BEEBBBE18EB98711420151051169BBEE51F902F901PBEQADJ.ADJ. BIAS1ADJ.COM.A/C/JB/E/EN/GBEBEEB1516B20253010BEEEBBELEVELEBPB1PBEQADJ.ADJ.LEVELPBPBEQADJ.B E18EBT03Note:/d4/n/lvb20035/001a/20035Power supply for U ver.P1P3T901W5 W4 W3W2FW901C930W1Z906 Z90
42、5W2W3W4W5ABCD E F G123452-7TD-W254BKSub boardMechanism control boardKey switch for deck BStandby indicator boardHead phone jack boardKey switch board for deck ANote:/d3/t/vmw1437/002/1437C701C702C731C732CN701CN702CN711CN712CN721CN722D701D702D703D704D705D706D707D708D709D710D711D712D713D715D716D717D71
43、8D719D720D721D722D723D724D741IC701IC731IC732IC733IC734Q701Q702Q703Q704Q705Q706Q707Q708Q709Q710Q711Q712Q740Q741Q742Q743Q744Q745Q751Q752R701R702R703 R704R705R706R707R708R709R710R711 R712R731R732 R733R734R735R736R740R741R742R743R745R746R747R748R749R750R751R752R753R754R755R756R761 R762R764R765R766 R767
44、R768 R769R770R771R772R773R774R775R780R781R782R783R784R785R786R673R672VR701VR702VR703VR704X701B7101C706C705W701C703C734W703DI701R671R670R668R667R658R669R659R666R660R661R662R663R664R665R651R655R652 R654R656R657R653C733R715R717 R718R716C704W702R71981151BEBBEE120B3335404550601 5 10 15 20 25 30 32BEEBBEB
45、B.HSB.NSSPEEDADJ.EB1199811 15EBBE10 1520 25 31 35BEEB411EBE BEEEBBEA.HSA.NS1 1STANDBYLEDPWB61EEBE B5564T01HIGHSPEEDTESTPOINTMICOMPWB9 9C1601 C2601CN601CN602CN603CN604CN862J8601R605R606R607R608R609R610R623R624R625R626S604S605S606 S607S608S623S624S625S626S627VR601VR&KEYSWPWBH.P.JACKPWB6141B.STOPB.PLAY
46、B.REWB.FFB.COUNTERRESETA.FFA.PLAYA.REWA.STOPRESETA.COUNTERINPUTVR161651CN613CN614R601R603R604R621R622R627R628S601S602S603S610S621 S622 S628S629S6304116A.DIRPOWERHS.DUB NS.DUB B.DIRB.PAUSEB.RECA.KEYSWPWBB.KEYSWPWBREV.MODESWOUINRSWCB OFFTD-W254BK3-1PARTS LIST* All printed circuit boards and its assemblies are not available as service parts.- Contents -Electrical parts list (Block No.0102) TD-W254BK 3-2 3-7Area suffixJCENUU.S.ACanadaNorthern EuropeOther Areas
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