JVC-TDW254BK-tape-sm 维修电路原理图.pdf
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1、SERVICE MANUALDOUBLE CASSETTE DECKNo.4363BJul. 2001COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD.TD-W254BKTD-W254BKSupplement Area suffixJCENUU.S.ACanadaNorthern EuropeOther AreasThe transformer and the circuit board have already been changedin issued model TD-W254BK (No.4363).STANDBY / ONPOWERREC/REC
2、 MUTE PAUSECOUNTER RESETCOUNTER RESETPHONESA B SYNCHRO DUBBINGNORM SPEED HIGH SPEEDPLAYPLAYMINMAX125346INPUT LEVELMINMAX125346789INPUT LEVELTD-W254ONOFFDOUBLE CASSETTE DECKDOLBY B-C NR HX PROAUTO TAPE SELECTOR / CONTINUOUS PLAYREVERSE MODEDOLBY B NROFFCBBREC/PLAYBACKAUTO REVERSEAPLAYBACKAUTO REVERSE
3、STANDBYPlease confirm 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.RadioFans.CN 收音机爱 好者资料库200107VICTOR COMPANY OF JAPAN, LIMITEDPERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1chome,Ohwatari-machi,M
4、aebashi-city,371-8543,Japan(No.4363B)TD-W254BKRadioFans.CN 收音机爱 好者资料库ABC12345TD-W254BK2-1Block diagramFL MUTEDI701Q705Q706Q7071173537159152210112128641375152442874413793971111210172872389163031284748234567924METER(R)METER(L)G0 G6Q8251REC MUTEVR126REC LEVEL ADJ(L)VR226REC LEVEL ADJ(R)Q2251Q1251B70Q11
5、52DECK B PB HEAD AMPRECQ8163IC81563VR217B DECK LEVEL ADJ(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 SELECTA705.6Q8172B PBA P
6、BIC81173PB HEAD AMPDECK AIC851VOL.CONTROL & DD RPIC812PB 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 PROL2401L1401BIAS DSCQ8491Q8492Q8481Q8482+B-BL8401FREQUENCY ADJ-7V-7VVR246BIAS ADL(R)VR146BIAS
7、 ADJ(L)REC/PB SELECT IC816Q2101Q1101DB101VR212VR112HS(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
8、 amp circuitStandard schematic diagramsABCDEFG123452-3TD-W254BKNote:/s/t/T235812AV.001VDH2358-102AV_1/1 IC811CN801CN802Q8163Q8101J701VR117Q1101R1104R1109IC811VR217IC815IC816Q2101R2104R2109Q8471R8151VR116VR216Q8171C8901VR112C1154C2154R2155R1154R1159Q8172IC815R8152IC861J8601IC891VR212R1155R1158R2158R2
9、154R2159C1156C2156Q1152Q2152R1108R1106R1105R2108R2106R2105C1104C2104R1110R2110C2106C1106R1601R2601R1602R2602R1604R2604IC861L8401R2452C2456C2452R2451R1452R1451C1452C1456Q8481R8482R8484R8483Q8482Q8491Q8492R8492R8493C8496C8495CN815CN811C8493IC818VR146C1152R8101C2152R1152VR246VR111R2152R8173CN861R8171C1
10、101C1108C1102R1102C1103C1105D8481C8101R8172R8102C8102R8471C2107C2101C2108C2102R2102C2103C2105R1111C1601C1107R8451C1151C1153C1155R8104C2169C8151C1169C1602C8152C2602C2151C2153C2155C8453R1165R2165IC812R1107R2107R8103VR211R1101R2101C2601R1603R1605R2605R2603C8602C8601R2111R1160R2160R1161R2161R8452R8453D8
11、451D8452CN845R8472CN862R8474R8473R8475D8101C8483C2454IC845C2453C2455R1453C1457C2451R2453C1451C1453C1454C1455C2457C8451C8454C8455L1401L2401C8452R8481C8481C8482C8492R8485R8486R8491C8494C8491AN6557FQGF1205C1-06QGF1205C1-20QMS3533-V01QVP0004-101Z270K15AN6557FQVPA601-101AZAN6557FUPC1330HA270K1522kQVP0004
12、-104ZQVP0004-104Z0.010.0120.0126.8K270K15AN6557F22KBA15218NQNS0092-001M50253P6.8K4.7K4.7K270K154.7/504.7/503.6K4.7K3.3K3.6K4.7K3.3K0.010.0133K33K4.7/504.7/50150150120K120K5.6K5.6KBA15218NQQR0845-00133K0.039100P270K33K270K100P0.039151K1K82K82K0.00150.0015QGF1220F1-06QGF1220F1-060.022BU4066BCQVP0004-2
13、03Z330P22k330P4.7kQVPA601-203AZQVP0004-104Z4.7k100KQGB2003L1-051K470P150P150P4.7K150P220/100.01100K100K0.011.8K470P470P150P150P4.7K150P220/1012K0.022470P4.7K0.001QVP0004-101Z150P220/1047K270P10/25270P0.00220.010.00220.001QVPA601-101AZ150P220/101/501M1MBU4066BC2K2K1KQVP0004-104Z1M1M0.02210K1.8K1.8K10
14、K0.010.0112K33K33K12K12K3.6K3KQGA2512C1-05Z22KQGB2003M2-051.8K22K47K330/250.01UPC1297CA560P0.0221010/25560P/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-R5VRECMUTENRREC
15、DUBNRSWDDRPDDRPSEL-24VF1F25.6V11VSTBYVOLRETURNVOLSENDMETER-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)HABCDEFG12345TD-W254BKTD-W254B
16、K2-4Note:/s/t/T235812BV.001VDH2358-102BV_1/1L1351L2351Q8352R1356R2356R1354R1355R2251R1251IC825Q8251Q2251Q901C2251R2252R941R2258C2360R2253R2255C2253C2254L2252R2257R2261R2262R2263R2264C2261C2263Q909Q912C900IC901IC901Q903C2264S901C2262Q2262Q1261R2265R2267C2267Q2252Q905R901R921C914R902Q1251R1252IC825C12
17、51R1258C941R1253R1255C1253C1254P1T901P3C930L1252R923W1R2266R2270R1257Q1252R1261R1262R1263R1264C1261C1263C1264C1262Q1262Q2261R1265R1267C1267R1254R2254D910C2252C1252R1270R937R933C931R908C2355C1355Q1511Q2511Q8511R1266IC852R1513R2513J8501J8501J8501J8501R2515R1515IC851C8502Q8501Q8503Q8504Q8502L1251D908R8
18、504C1256L2251C2256R927R928Q908Q907C8501Q8351Q8353R8354Q8252C2266C2265D8351R8505C1266C1265P1Q913F903T901P3T901R940Q915C930F901F902W1F901F902w1R8353C8351C8352R8352R8351R1351R2351R1353C1360C1358C1357C1359C2358C2357C1354R2353C2359C2354R2354R2355VR226C8251R2259R2256C2257C2258D926C927C2255C903D923D924IC82
19、6D905C904VR126D904D901D902D903R912R913R914R915C910C911C908C901C902R918R917C8252IC835R1357C907R2357R1259R1256D907D918D922D913C923C921C920C924C917C915D906CN901C1257D921C1258C1255D909C918R8251R938R910R929R930C2356C1356C1351C2351D8252D917R8253C909D914R2517R1517R8513R8514C8513R8515R8516D8513R1511R2511D15
20、11D2511R1502R2502R2514R1514R1512R1501R2501R1503R2503R2512C2511C1511R2516R1516C8512C8511C8503R8503C2501R8502C1501C906C930R8355R8252R8501R2273R1273R8255D8253R1504R2504D8514FW901FW901D925C928CN901CN901QQR0879-001QQR0879-00122K22K100K1.5K4.7K4.7KQVP0004-203ZBA15218N33P3.3K4701804.7/2533K8.2K0.33/501/504
21、.7mH15K5.6K6.8K2.2K2.2K0.00820.00330.0047/250VM5218ALM5218AL0.047QSW0632-0010.0335.6K1.8K0.0124.710330/50QVP0004-203Z11ES2-T411ES2-T411ES2-T411ES2-T44.73.3KBA15218N33P1800.22/5033K8.2K0.33/501/500.014.7mH8206.8K1M15K5.6K6.8K2.2K2.2K0.00820.00330.0470.0335.6K1.8K0.01212K12K11ES2-T411ES2-T40.00470.004
22、71M4.7270150P1800.00220.00226.8KBA15218N68K68KQNN0135-0012222AN7384N100/1018mH10k150P/50018mH150P/5004.7k4.7k100/1015K0.0270.006810k0.0270.0068T315mAL6.80.01T800mALT800mALT800mALT800mAL47470/10470/104718K2.2K2.2K4.7K4.7/250.1/500.00220.1/500.1/500.00224.7/254.7K0.1/504.7/25100K1.5K0.011M1.5K0.0120.0
23、068MTZJ6.8B-T2100/10470P2200/25BU4066BCMA7002200/2510K10K10K10K330/10330/10470/100.010.0110K10K0.01HA12142NT560100/255601M1.5KMTZJ3.6A-T2MTZJ12C-T2MTZJ6.2B-T2MTZJ24D-T2330/10470/16100/16100/10100/25220/50QGD2501C1-05Z0.0120.0068470P10/251K33010K3903900.00220.00224.7/254.7/2522K4.7/502.2K2.2K22K10K1/
24、5010010K2.7K2.7K22K22K27K27K10K39K39K1k1k10K10/2510/251K1K0.010.011/5010k4.7/2568K4.7/250.010.0118K100K10k4.7K4.7K22K18K18K47/25QGD2501C1-05ZQGD2501C1-05ZSTBYVOLRETURNNSPBIN-L5.6V5V-24VRESETRECMUTE-7VPOFFF1METER-LMETER-RPBIN-RNRSWDUBNRREC11VLINEOUT-RBMETALVOLSENDRECSIG-RDDRPSEL7VF2RECSIG-LMUTELINEOU
25、T-LGNDB70DDRPBCrO2Parts are safety assurance parts.When replacing those parts makesure to use the specified one.Indicator signalDisplay & Mecha control circuitABCDEFG123452-5TD-W254BK Note:/s/t/T235812CV VDH2358-102CV_1/1CN721CN711CN601S601S607CN701D716Q704CN712Q707CN722Q706DI701Q705S608Q751S624S605
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