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Sanyo DC-T44, Service Manual

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Summary of Contents for DC-T44

Page 1: ...G DIAGRAM 32 6 13 IC BLOCK DIAGRAM 34 7 7 1 7 2 7 3 7 4 7 5 7 6 7 7 7 8 7 9 TAPE DECK UNIT ADJUSTMENT DECK TORQUE CABINET CHASSIS EXPLODED VIEW PARTS LIST EXPLODED VIEW TAPE MECHANISM 1 PARTS LIST TAPE MECHANISM 1 EXPLODED VIEW TAPE MECHANISM 2 PARTS LIST TAPE MECHANISM 2 IC BLOCK DIAGRAM WIRING DIAGRAM 38 38 40 41 44 45 46 47 48 50 7 IO SCHMATIC DIAGRAM SEPARATED 8 8 1 8 2 8 3 4 8 5 9 10 AMPLIFIE...

Page 2: ...cm cone type Max 70W peak 6 ohms 185 W x 370 H x 260 D mm 4 9 kg Per sperker 4 track 2 channel stereo Metal tapes 40 15 000 Hz Chrome tapes 40 14 000 Hz Normal tapes 40 13 000 Hz 60 dB with DOLBY NR ON 0 12 WRMS Signal to noise ratio Wow and flutter Fast forward I rewind time Dimensions approx Weight approx DC 3V R61AA SUM 3 Battery x 2 58 W x 18 D x 186 H mm Approx 110 sec C 60 220 W x 120 H x 25...

Page 3: ...c diagram hCKTNG 8 ACCFSSiiRTFS EF NO PART NO DESCRIPTION 614 240 343 INNER CARTON 6142288825 PAO TOP 6142288832 PAD BOTTOM ___ 614 2233917 POLY COVER REMOCON 614230 1135 POLY COUER TUNER 6142294000 INNER POLYE LAHINA COVER CD 614 1768793 INNER POLYE LAMINA COVER DECK 614 1768793 INNER POLYE LAHINA COVER AttP 614 1763231 INNER POLYE COUER INST ACCESORY 614 176 1039 INNER POLYE COVER SCREW 614241 4...

Page 4: ...Minimum 66d8 TERMINAL Oscilloscope TP234 R SVR24 TP235 E DEV MAIN 40k Hz SD 98 OMHZ ANT TP223 H i Auto Stop 26d8 FM SG TERMINAL Digital Voltmeter TP232 E SVR21 1 3V x TP222 is no earth point x Adjust in the modulation off after the stereo indicator light on MW BAND Antenna IRE LOOD Modulation 400Hz 30 EP ITEMS TUNING INPUT CONDITION OUTPUT CONDITION PARTS FREQUENCY STANDARDS MEASURE INPUT MEASURE ...

Page 5: ...142290859 DESCRIPTION ASSY PANEL FRONT ASSY CABINET PANEL REAR ASSY CABINET BOTTOtl ASSY FOOT FRONT L ASSY FOOT FRONT R EJUTTON OPERATION SHIELD TRANS FIXINGPARTS DC T44TUI REF NO PART NO DESCRIPTION Y1 411 021 3107 SCR S TPG BIN 2 6X8 r 2 411 021 6405 SCR S TPG BIN 3X8 Y3 411 021 6603 SCR S TPG BIN 3X8 Y 411 0209902 SCR S TPG BRZ FLG3X8 H 411 021 3503 SCR S TPG BIN 3X1O I I 4 ...

Page 6: ...I TR 2SDI012 G SPA TR 2SII1012 G SPA TR 2SDIO12 G SPA TR 2SD1012 G SP TR 2SD1OI2 G SPA TR 2SK222 B TR 2SC3330 T TR 2SC3X30 11 TR 2SC2839 TR 2SC333tt T TR 2SC3Z3T TR 2SA1 517 TR 2SA133 T Li TR 2SC33XJ T TR 2SC3330 U REF NO PART NO DESCRIPTION Q2302 405017 9600 TR 2SC3330 T OR 4050179709 TR 2SC3330 U Q2351 4050035302 TR 2SA1317 T OR 4050035401 TR 2S413t7 U Q2352 405017 9600 TR 2SC3330 T OR 405 017 9...

Page 7: ...x output signal 5 KEY IN1 Key Matrix input signal 1 13 FUNCT3 FUNCTION SW signal output L AUX Hi PULSE 14 FUNCT2 FUNCTION SW signal output L VCR Hi PULSE IC221 LA1265 Tuner System IC231 LA3361 PLL FM MPX Stereo Demodulator Pnuf WU1 LfV6L CMPEN A1O co LW FILIERI I 1 C RG c EfEE3 6 20dB MUTE 20dB Muting output KEY IN2 Key Matrix input signal 1 I I KEY IN3 Key Matrix input signal 1 I 17 II MUTE m Mut...

Page 8: ...I m I L 1 A I Ill I I I I ESw k I I I I I Ill I 0 111111111 44A Ill Ill II II 1111 L i HI II 1 I n I 1 I l I E i I ...

Page 9: ...ii 1 r7 7 ...

Page 10: ...w od 6u asnIpe aql JO aae ms aq K apeu s 6u e0 Ie ads aw aq 3AOW PUR Ipno JaAaN ved euo se wawd qs loqo ej dmdos IP M pauaas o qe uOnO 6u sn ajo aq pavn pe llamu w uaaq seq q lqm dn q td aql q q ueap Alp4aJe Av p s sual aq JO Jawa3 aq 51 pa7 eJ aq ku S d aq lo uo punjlew Lew dn l d 6u Jds e fq anld u pIaqs suaI aql aq3 wwaq o wUeq m0A wv JO a w wun suaI emue e JO pasn se qms qsnjq y aA 6 oa IOU ln...

Page 11: ...irection of the arrow it is not able to remove If remove to fasten the pick up block by the screw 51 pick up 2 3 4 Continuously remove the pick rack gear If pick up was not 5 block is removable Set the timing gear to 0 condition HOW TO REPLACEMENT OF THE SPINDLE MOTOR First prepare the new turntable and new special washer for replacement The removed turntable will be formed by the heat of the sold...

Page 12: ...the pick up is reconditioned or replaced be sure to wipe the rails and also apply a coating of FLOIL G 474B to their entire circumference and entire length REPLACEMENT OF THE SLED MOTOR Remove the two pan head screws that hold the motor and then replace the motor 3 B 5 1 SHAF7 fl FIX BY THE CEMEDINE 575 ATTACHMENT OF MOTOR g 7 Q 3 m 2 1 T RED MARK n HOW TO ATTACH OF TURNTABLE 17 15 t0 lmm 2 ANGLE ...

Page 13: ...ide 15 in the direction of the arrow 2 Match the inner gear center of Tray gear 6 3 Install the Tray move gear 3 with match the outer gear make o of Tray gear 6 as figure below GEAR 1 When near the Base up down slide 14 in the direction o the arrow o set up the four gear 23 as follow figure position 2 Insert the timing gear and stop by the screw 2 1 3 Turn the timing gear 23 to left direction A 7 ...

Page 14: ...outer gear PICK UP SLED GEAR I G 474B 1 I d 3 5 BASE LEVER 6 1 2 3 LEAD RETAINER AND APPLY ACEMEDINE Set upa pick upto inner side and pass through on the pin a still more lead retainer not to touch at motors outside b and fixed the lug Finally confirm the pick up moves smoothly from inner to outer circumference Apply a cemedine 575 for fix the lead retainer and fixed it Confirm the FLOlL G 474B to...

Page 15: ...counter to TP37 H TP104 E Turn on the power of the unit Adjust T102 so that the frequency counter reads 4 30 f 0 01 MHz If this adjustment is no good get the long seek time not read TOC not sound in the worst case become high speed tuning reverse and it may wound the disc 3 TRACKING BALANCE 0 Connect the oscilloscope to TP103 TE TPI04 E Turn on the power of the un Insert Test Disc and press the Pl...

Page 16: ...CD 4 i ADJUSTMENT PARTS LOCATION TPlo4iGND TP101 RF TP 103 TE Fig 3 TP3 7 PLL O IC102 1C107 IV 1C103 Fig 4 o PLL ADJ 19 ...

Page 17: ... ELAPSED j CALENDAR LIGHT OFF I TRAY CLOSE 57 m N LIMIT SW LOW TRAY CLOSE o 2 A CLOSE HIGH I II J4 I I HGH IY LIMIT SW HIGH N CD CONT LOW N FUNC l HIGH I 3 The Other Function from the Stop mode Y FUNC I LOW I r LR7 GH A Y LIMIT SW HIGH END I CALENDAR ALL DISPLAY I I TIME 20 ...

Page 18: ...ON SIGNAL OUTPUT AF Q UT HIGH l 50mSEC TRACK NO O DISPLAY MIN SEC 0 00 DISPLAY D LIGHT OFF I OPEN DISPLAY CALEWDAR ALL LIGHT OFF I ISPINDLE MOTOR BRAKE I I 5 To the Other mode from the P ay Back WITHOUT CD Y C STOP HIGH SPINDLE MOTOR BRAKE N IS DISC ROTATE _ STOPPED t SPWDLE MOTOR BRAKE I Y LIMIT SW HIGH 21 ...

Page 19: ...CORDING I DURING 5 SECOND I I r s I I TRACK NO DISPLAY I I MIN SEC 0 00 DISPLAY I I LASHING DispLAY IN EDIT MODE IT IS DONE DURING TAPE RECORDING DISPLAY tin Y DUB IN HIGH AUTO FUNCTION SIGNAL OUTPUT AF OUT HlGH 650mSEC TRACK NO DISPLAY MN SEC 0 00 DISPLAY 5LASHING DispLAy DECK RECORD START 1 wLOw 22 ...

Page 20: ...FLOW CHART CD 8 To the Play Back from the STO 1 wt w I PLAY START A MUTE LOW I Q 2 A 9 TO the Play Back from the Tray open 7 I TRAY CLOSE I i Y LIMIT SW HIGH N IiRCH COMPLETED TOC READ START I 23 ...

Page 21: ... BLOCK DIAGRAM bD m J L1 L ________________________ II 1 I II r 1 I 0 t 3SC7 j 0 3 II s 5 r II C 0s 1 1 I 1 11 Ill LA 24 ...

Page 22: ...EXPLODED VIEW CD 1 Y3 3 72 23 PM DAD EX 2 25 ...

Page 23: ...OE EOIT S1OO3 6142205631 SWITCH TACT EOIT S1OO4 614 2190876 SWITCH TACT C REC S1OO5 6142205631 SWITCH TACT OPEN CLOSE 26 REF NO PART NO DESCRIPTION I ERWFSI REi NO 72 ctmol CNH 02 cfwo3 clmo4 Cwl05 0101 0102 Iclol lE102 IC103 IE104 ICI05 OR IK106 Ifuo7 Q301 Q302 QI03 Qm6 QI07 R1901 R1902 R1903 R1904 R1905 R1906 R1951 R3952 R1953 R1954 R1955 R1956 R1957 R1958 R1959 R1960 R1961 R1962 R1963 swill TI0...

Page 24: ...704 W 3SHERV 2X6X0 4 GEAR FIX 6 614 224 2049 GEAR TORY 7 412 031 2104 SPECIAL SCREW GE 3R8 FIX 8 614 2296066 ASSY GEAR CLUTCH INNER FOR SERVICE 9 614 224 1974 GEAR CLUTCH OUTER 10 412031 2104 SPECIAL SCREW SLIOE 14 FIX 11 412 031 2104 SPECIAL SCREW GEAR 12 FIX 12 614 224 1998 GEAR tPICK SLED 13 412014 2800 SPECIGL WASHER PICK GEAR FIX 14 614 233 6311 SLIOE BASE UP OOWN 15 6142242094 SLIOE TRfJY 16...

Page 25: ... 0 0 0 0 0 0 0 0 1 0 2 5 4 9 2 0 1 0 2 0 2 4 2 4 0 2 4 2 4 Pm No q 42 43 44 45 46 47 48 50 5 2 53 5 7 55 56 57 58 59 60 PLAY 3 6 4 5 2 4 2 4 2 4 2 4 2 4 2 4 1 6 1 6 2 6 2 6 2 6 0 g 1 6 ___ 2 4 2 4 2 4 2 4 5TOP 3 6 4 5 2 4 2 4 2 4 2 4 2 4 2 4 1 6 1 6 1 6 1 6 1 4 1 4 1 4 0 3 6 3 6 3 6 1 6 Pin No 6 62 63 64 65 66 67 68 69 70 7 72 73 74 75 76 7T 78 79 80 PIAY 2 4 flue 0 3 flue 2 4 0 2 flue ffuc 4 9 ff...

Page 26: ...i e I 1 I IN E L 7 e m 1 I 11 ERtl II s J L I Illi r I I 1111 I I i J L __L L ...

Page 27: ...i I I I I J I I I I CI z E 3 ...

Page 28: ...u ploq PUS u etOdJa u aw HWH LNOM a Jo L aql u Jalum JO NAS pue leufi s wj3 WOJJ pavaiap NAS qloq H91H s Ow3a IeU UJJa JO UOU X d ZHl J81zE UaqM sqm 40 aqwnu paq JosaJd aql JO dwnl v PueLuwo dumf Den 01 fiu pmme I i XJd 03s5 81 S31 L1 13H 91 023 s L 1S3 b 1 S304 C1 03A Z1 A13 11 jol s 1s31 v 1s31 oaa 18a z8a ma ma 55A t9 z 29 19 09 6S 8S LS 9s paiejauafi aie j dr pue dr saslnd VU t u sn o Joj pa e...

Page 29: ...I k 1 M31 YVIS I aJ 1 A ml 1 W N 1 0 1 m Q t to u J I Y CN ...

Page 30: ... snlpv At d aM UIS UPq aw aq 2 d adel aql UO Keld aMJ uo yod fiu pua aql w spew aq plnoq VRJJW PV 2 vaa L z a ws ueq aW woq 01 Wale ba JO L1 L UW adea m aq w amjp ws ueq aw aq do s paads IetuJoN w d 1s paads q6 q aq ado d l aqj Kq voqs aq aAowau zHS 7 zH086Z Z 3a0 ZHOOOE 1 Iaa aldwex3 z 1 11 01 6 8 L 9 s v E z 1 a20N uauz snrpv paads adel f E E l 73A31 X3 VEAVld 1N3WT SV18 q 1 z j3a rx F D D D I l...

Page 31: ... 0396 0397 0398 0399 03501 05551 HSOOI HSOI12 HSO04 lc351 IC361 1 362 IC3b3 IC371 IC372 1C 364 ICP365 IC 36b L351 L352 L353 L354 L564 L371 L3i2 L381 L382 L391 Q701 Q702 a303 Q 04 PART NO 614 017 2546 614 017 2560 614017 2S39 614 2272978 614 017 2614 6140172621 614 0172553 6140172607 6 4 0172119 614 017 2638 614 017 2119 6140163858 614 0164084 614 016 4084 6140164084 407 053 5905 407 005 4505 407 0...

Page 32: ... SLZ 919 ssdc 9ZZ 719 SS8S 9ZZ 19 s8s 9ZZ 19 ZSbf 9ZZ 19 ZS6C 9ZZ 19 168S 9ZZ 9 9 L68S 9ZZ 919 168s 9ZZ 19 1681 VZz L9 NIV3 AWW 8 Ol U313WIlN310d L6S f 9ZZ 919 I NOIldIki3S30 I ON lLWd I ISnns 8180S LWIS 9rnns sms zv H3 7 1X130 COU NIW AUl E Ml M313WIlN310d rOV 31V 8 l U313WIlN310d 733NWI 1U38 W3 H311tlS 1X XO1 a3JSIS3U O x 01 WJ1SIS38 HI vr 001 iH 301xo m Ur Z z lu 3aIxo fw L r IIIS3J 3781sn4 n7 ...

Page 33: ...ER HLCUT 1 4X3 2X0 4 LEVER RF TRIGGERARM CUSHION tt4T CUSHION RUBBER MJTOR SPEC19L SCREWJIOTORCOLLAR BELT FLAT MAIN BRACKET H tiOTOR ASSY HOTOR EG530Y0 2BH SPACIAL SCREU C TAPP t 2x3 SPECIAL SCREU CAHERAt12x3 5 CUSHION RUBBER JIOTOR SPRING W RE Ii TRIGGER ARii GEAR H GEAR RF C9fi LEUER ti TRIGGER 2RH SNAFI PLUNGER HOLOER PLUNGER ASSY SLIOE CH SLIOE LEVER SPRING TENS CH SLIOE LEVER tlSSY LEVER P KI...

Page 34: ...3SlV133dS SXZH ddVl 3 t13 3S lV133dS H8Z OAO S93 N010WASSV IIOIOU U 13XYJW NIW1V14 1138 Wd710J NOIOWM38JS lV133dS Molou u3sanu NoIHsn3 lW4 NOIHSI13 uatiu3991tu iw m31 7 OXZ SX 1in3 lH U3NSVH 7U133dS OXSX1 Z lt13d 83HSWM lU123dS S2 OXSXZ I ln3 d U3HSVR lVI13dS XZH 9NIddVl 3 M3WIS lV133dS Wl 8 dM33 9NIUdS 30U19 dlJ13 9N18dS 3J 8V39 3SV9 133U H 13X7W8 ASSU N I 733M ASSV 3 l 133b Assv 0131HS 31V7d 3om...

Page 35: ...janan us ueq aw 3381NV d aSJaAaH V AVldU 1 T ZA3 Lb lNV 3M g Jo q lym plomn ulw s 8 kid pJWV JOj V AV7dj 1 Aa 1A3X 9b 338 p erwoj uts ueq aw 3HlNv I lNV 33M E JOJ q ms p o ay ww v v a31 NO a31 a nw p o an tustueq aw E 31nw Sb a37 o NO a31 asJaAaN ws ueq aw E A3W3 NO a31 pJO w w ueq w 8 a31 338 b a37 NO NO MO1 NO NO NO AVld ii 6u aq Mol agl pJewOj ws ueq aw 8 a31 pmhvoj tusweq aw v 6u qmww paads JO...

Page 36: ...I I MFTAL SW I II T ANT REC B SW Es ANT REC A CR SW PACK SW FFWD REW PLAY SW FFWD REW PLAYPL Ic PL I iQ3 2 CR Sw m PACKSW PLAVSW T _ _ __ ...

Page 37: ...RESISTOR 10GK X9 RESISTOR 100K X9 RESISTOR 100K X13 RESISTOR 100X X13 SUITCH TACT 6 EQ V SUITCH TACT FREQ NEt O SUITCHrTACT 6 EQOWN SUITCH TAcT SOUNO OH OFF SUITCH TACT SURROUNO SWITCH TACT 0W4W1C BASS SUITCH TACT PRWMEO SUITCH TACT PRESET SUITCH TACT PWER 1 s DC T44AHP P4RT NO 411 024 3807 411 021 3107 411 021 1806 411 021 6405 411 021 3503 411 021 3701 411 021 3404 411 0209407 411 001 4Z09 411 1...

Page 38: ...Ssovo s0 0 2s0 0 iso o Zs l Z91 31 9731 6S731 Z07SH I09SH Z9690 196 0 096 I0 6s6 0 2S690 S670 680 0 080 0 Leo o 0N 43 IOW9 30010 f17ZSl 30010 10UW 30010 LOW9 30010 fl zsl 30010 fL9ZSl 30010 IOW3 3ooIa fL ZSl 3ooIa fl zsl 30010 fL ZSl 30010 fL7ZSL 3aoIo 3014s0 30010 ff ssl 3ooIa KISSI 30010 IOVM930010 10w9 30010 lVNINb 31 dS dS 13130S fild 33S l d 01 dOL 13130S lINfl 03 Ol dSL 13MOS lINll ti3Nlll O...

Page 39: ...04402 I 0 0 lo y 2SC I 740 480 9 RA404 0 f 1 Zc i u 0 0 g y m 0 33K x 0 r9 R440 I m 560 JW Ocu 1 m 5 Q MUTE I 27 0 0 6 SURROUNO 04401 GMAOI 04902 C4403 T 1ss133 IOOOP 18 1 I 7 o IL 1 4 04903 ISs I33 04900 RBV 402 A IF CN406 l b A al v I SPEAKER OC VOLTAGE CKECK POWER ON FUNCTION CO O BASS oFF SURRCIJNO OFF L 1 w 1 CN405 v i I 1 0 32 x u A filJb L4900 1A04L26A0 i473 m j O1 25A _____________________...

Page 40: ...ING DIAGRAM MpLiFIER POWER MICON P C B CNL8L 4 EXT SPEAKER I C B AC 230V 50Hz R L 2 0 HIG LLW PTAOO rnmnn i 1 P T SECONDARY P C B 3 MICON PC B CN 79 MAIN AMI P C B I 6 5 PRE AMP PC B vIDEO PC B CNL66 CN453 58 ...

Page 41: ...044 53 2SC1740S f l 4d54 470 AV IN MONITOR OUT CN483 t 4 R4978 n C4458 150 lW rO ol 2SA933S 7J77b II I1 9 x3 Xo x xl x2 H D4451 MTZ4 7 4452 00 6 3 I 7 1 d AAA u R4463 D4454 i lK GMAO 1 R4461 r 10 1 4w T II1 I I I T r 1 I 111 I II CN451 mko 1 F 00 CN453 ALJooo 00 11 I1 i I TO CONTROL TO POWER ...

Page 42: ... 01 1 1 1 1 I II ki I s Uf s I 1111 I I I WJ I I I I I I I I 1 1111 Ill I I 1 L z I I I I CLVZ m 3 7 t 7 000000000000 0 100000000000 00000 1 113 EX9 119 295 t 99099921 6W31 1 I 9 m I am 3L 3a L 38 l w w 41 3 w m ...

Page 43: ... 3 r 6 G r W J l 1 1 1 I I 4I I I I l I I I I I a lMklW g AA R4620 I J I II I I I 1 1 t 4 I I I I r r r r r t I II 1 J i g L ...

Page 44: ...I t U0133NN02 WIISAS 2 W133NNW N31SAS 6 L40133W03 W31SAS al v Ci 1 6 E L I I 1 1 ...

Page 45: ... 1 1 1 1 I I I 7 910 D4911 912 Dd913 91 O A913 z 382 YG t3 12 61 lo 9 M 47 6 45 M 3 42 41 0 1 G2 G3 u G5 w G7 Ga G9 F S2 S1 02 01 A I t t t AV2 Tu I 1A 06 cm 2 5V ac i 13 5V r 13 5V 29V Ac AC fs 0 0 r z M I 1 o w 0 220 o o o i I 1 ...

Page 46: ...1 m 23A 33A SSA m m k x w n l n 0 g ...

Page 47: ... G 2 0 1 ...

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