Sony-TCTX5-tape-sm 维修电路原理图.pdf

MICROFILMTC-TX5STEREO CASSETTE DECKAEP ModelUK ModelE ModelTourist ModelSERVICE MANUALDolby noise reduction manufactured underlicense from Dolby Laboratories LicensingCorporation.“DOLBY” and the double-D symbol a aretrademarks of Dolby Laboratories LicensingCorporation.Model Name Using Similar MechanismTC-S1Tape Transport Mechanism TypeTCM-9700HLDSPECIFICATIONSRecording system4-track 2-channel stereoFrequency response(DOLBY NR OFF)30 14,000 Hz (3 dB), usingSony TYPE I cassette30 15,000 Hz (3 dB), usingSony TYPE II cassetteWow and flutter0.15% W. Peak (IEC)0.1% W. RMS (NAB)0.2% W. Peak (DIN)InputTAPE IN (phono jacks):impedance 47 kilohmsOutputTAPE OUT (phono jacks):voltage 550 mVimpedance 47 kilohmsGeneralPower requirementsAEP, UK, Germany:220 230V AC, 50/60 HzOther countries:110 120V or 220 240 V AC,50/60Hz Adjustable with thevoltage selectorPower consumption10 WDimensionsApprox. 280 85 360 mm(111/8 33/8 141/4 in) (w/h/d)incl. projecting parts and controlsMassApprox. 3.7 kg (8 lb 3 oz)Supplied accessories: Audio connecting cord (2)AU BUS connecting cord (1)Design and specifications are subject to change withoutnotice.RadioFans.CN 收音机爱 好者资料库RadioFans.CN 收音机爱 好者资料库 3 SECTION 2DISASSEMBLYNote: Follow the disassembly procedure in the numerical order given.CASEFRONT PANEL SECTIONLOADING PANELMECHANISM DECK2Remove the loading panelto direction of the arrow B.B1Rotate the gearto direction ofthe arrow A.1two screws(BVTT2.6 8)3two screws(BV3 8)2bracket7mechanism deck5connector(CN804)4fourscrews(BV3 8)6twoclaws5twoconnectors(CN351, 803)1two screws(CASE 3 TP2)2case1two screws(CASE 3 TP2)1screw(BV3 8)2flat wire(CN802)3front panel section1screw(BV3 8)1three screws(BV3 8)A 4 PRECAUTION1.Clean the following parts with a denatured-alcohol-moistenedswab:record/playback/earth headpinch rollerrubber beltscapstanidlers2.Demagnetize the record/playback head with a head demagne-tizer. (Do not bring the head demagnetizer close to the erasehead.)3.Do not use a magnetized screwdriver for the adjustments.4.After the adjustments, apply suitable locking compound to theparts adjusted.5.The adjustments should be performed with the rated power sup-ply voltage unless otherwise noted.Torque MeasurementSECTION 3MECHANICAL ADJUSTMENTSModeTorque MeterMeter ReadingCQ-102C30-65 gcmFWD(0.42-0.90 ozinch)FWD1.5-6 gcmBack tension(0.021-0.083 ozinch)CQ-102RC30-65 gcmREV(0.42-0.90 ozinch)REV1.5-6 gcmBack tension(0.021-0.083 ozinch)70-130 gcmFF, REWCQ-201B(0.98-1.80 ozinch)SECTION 4ELECTRICAL ADJUSTMENTSNote: The adjustment should be performed in the order given inthe service manual. As a rule, adjustments about playbackshould be performed before those about recording.The adjustments should be performed before for both L-CHand R-CH. Switches and controls should be set as follows unless otherwisespecified.DOLBY NR switch: OFFDIRECTION switch : A0 dB=0.775 VTest TapeTypeSignalUsed forP-4-A10010 kHz, 10 dBAzimuth AdjustmentP-4-L300315 Hz, 0 dBPlayback Level AdjustmentWS-48B3 kHz, 0 dBTape Speed CheckTest ModeThis set will get into test mode by shorting the pins of CN801 (2P)on MAIN board before turning the power on. 5 Record/Playback Head Azimuth AdjustmentProcedure:1.Mode : REV playback2.Turn the adjustment screw for the maximum output levels. Ifthese levels do not match, turn the adjustment screw until bothof output levels match together within 1 dB.ScrewpositionL-CHpeakwithin1dBoutputlevelL-CH peakR-CH peakwithin1dBangleR-CHpeak3.Phase CheckMode : playback+VH+Screen patternGoodWrongin phase 4590135180LINE OUTsetR-CHL-CH47 k 47 k oscilloscopetest tapeP-4-A100(10 kHz, 10 dB)+set47 k LINE OUTlevel meterTest tapeP-4-A100(10 kHz, 10 dB)4.Set in the FWD mode and repeat the step 1 to 3.5.After the adjustment, lock the screw with locking compound.Adjustment Location: Record/Playback headFWD sideREV sideAdjustment screwTape Speed AdjustmentProcedure:Mode: FWD playback+setLINE OUTfrequency countertest tapeWS-48B(3 kHz, 0 dB)47 k 1. Set to FWD playback mode.2. Adjust RV801 so that the frequency counter reading becomes2,980 30 Hz.3. Confirm that the deviation between tape top and tape end is within3%.Playback Level AdjustmentProcedure:Mode: FWD playbackAdjust RV151 (L-CH) and RV251 (R-CH) so that the reading onlevel meter meets the adjustment limits below.Adjustment Limits:LINE OUT level: 4.70.5 dB (0.43 to 0.48 V)Level difference between channels: within 2 dBCheck that the LINE OUT level does not change even if Playbackand Stop operation is repeated several times.Adjustment Location: DECK boardAdjustment Location:DECK BOARD (Component side)+setLINE OUT47 k test tapeP-4-L300(315 Hz, 0 dB)level meterIC305CN352T351RV252Record BIAS(R-CH)RV152Record BIAS(L-CH)RV251Playback Level(R-CH)RV151Playback Level(L-CH) 6 setAF OSCAttenuator600 10 k blank tapeCS-123LINE IN1) 315 Hz2) 10 kHz67 mV (21.3 dB)Record BIAS AdjustmentProcedure:1.Mode : record2.Mode: playbackRecord Level AdjustmentProcedure:1.Mode : record2.Mode: playback+setLINE OUT47 k recorded portionlevel meter3.Confirm playback the signal recorded in step 1 become adjust-ment level as follows.4.If these levels do not adjustment level, adjust the RV152 (L-CH) and RV252 (R-CH) to repeat step 1 and 2.Adjustment Level:Playback output of 10 kHz to playback out-put of 315 Hz: 0.5 dB.Adjustment Location: DECK boardMAIN BOARD (Component side)CN803IC304CN802RV801Tape SpeedCN801TEST modeRV253Record Level(R-CH)RV153Record Level(L-CH)3.Confirm playback the signal recorded in step 1 become adjust-ment level as follows.4.If these levels do not adjustment level, adjust RV153 (L-CH)and RV253 (R-CH) to repeart step 1 and 2.Adjustment Level:21.30.5 dB (63 to 71 mV)Adjustment Location: MAIN board+setLINE OUT47 k recorded portionlevel metersetAF OSCAttenuator600 10 k blank tapeCS-123LINE IN315 Hz, 67 mV ( 21.3 dB)SECTION 5DIAGRAMS 7 5-1.IC PIN FUNCTION DESCRIPTIONMAIN BOARD IC101 M38172M4-180FP (SYSTEM CONTROL)Pin No.Pin NameI/OFunction1Not used (Fixed at “L”)23KEY-XIKey input (A/D convert input) *14KEY-YI5FWD TABIREC proof detection input from S902 (FWD side)“H”: Not nail6CHROM SWITape type detection input from S903“L”: Type I7RVS TABIREC proof detection input from S904 (REV side)“H”: Not nail8Not used (Fixed at “L”)9PLAY SWIPlayback and stop detection input from S907“L”: Playback10TEST MODEITest mode terminalNormal: “H”Test mode: “L”11POWER OUTOAudio and mechanism power on/off output“L”: Off (Not used)12POWER INIPrimary power on/off input“H”: On13CLOSEOLoading motor (M901) drive output *214OPENO151617Not used (Fixed at “L”)18192021(CLOCK)ONot used (Open)22(DATA)ONot used (Fixed at “H”)23RELAYORelay drive output“L”: ON24BIASOControl output to recording bias switch (Q352)“L”: ON25AU BUS OUTOAudio bus output26AU BUS INIAudio bus input27RESETIReset input28X CININot used (Fixed at “L”)29X COUTONot used (Open)30X INIMain system clock input (4 MHz)31XOUTOMain system clock output (4 MHz)32VssGround33REC MUTEORecording mute on/off control output“L”: Mute on34LINE MUTEOLine mute on/off control output“L”: Mute on35Not used (Fixed at “L”)36PB MUTEOPlayback mute on/off control output“L”: Mute on37REC/PBOMode control output to DOLBY NR amplifier (IC301)When recording: “H”38Not used (Open)3940Not used (Fixed at “L”)41POWEROControl output to ON/STANDBY LED (D857)42TAPEOControl output to TAPE LED (D856)43CD SYNCOControl output to CD SYNC LED (D855)44RECOControl output to REC LED (D854)45PAUSEOControl output to PAUSE () LED (D853)46REVOControl output to REV () LED (D852) 8 Pin No.Pin NameI/OFunction47FWDOControl output to FWD () LED (D851)484950515253545556Not used (Open)575859606162636465TYPE IOTape type output“H”: Normal position66TYPE IIOTape type output“H”: High position67(TYPE IV)O68Not used (Fixed at “L”)697071SOLENOIDEOPlunger (PM901) drive output“H”: On72CAP.MOTOROCapstan/reel motor (M902) drive output“H”: On73VCCPower supply (+5V)74VEEGround75AVSSGround for A/D converter76VREFReference voltage (+5V) for A/D converter77HALFICassette half detection input from S90578AMS INIAMS input79LIMIT SWILoading detection input from S901Open: “L”, Close: “M”, COM: “H”80PULSEIRotary detection input from PH901VoltageInput port0 V0.45 V1.19 V2.19 V3.2 V3.98 V4.48 V5.0 VPin 4, KEY-XOpen/CloseSTOPPAUSEFWDREVCDNot key inputSYNCPin 3, KEY-YPOWERREWFFRECDIRECTIONDIRECTIONON/OFF0)rAa*1 Key Input*2 Loading MotorINOUTCLOSE !HLOPEN !LH 17 NOTE: -XX and -X mean standardized parts, so theymay have some difference from the original one. Color Indication of Appearance Parts Example:KNOB, BALANCE (WHITE) . . . (RED)Parts ColorCabinets Color AbbreviationG: GermanEA: Saudi ArabiaMY: MalaysiaSP: SingaporeHK: Hong KongJE: TouristThe components identified by mark! or dotted line with mark ! are criti-cal for safety.Replace only with part number speci-fied. Items marked “*” are not stocked since theyare seldom required for routine service. Somedelay should be anticipated when ordering theseitems. The mechanical parts with no reference num-ber in the exploded views are not supplied. Hardware (# mark) list and accessories andpacking materials are given in the last of theelectrical parts list.SECTION 6EXPLODED VIEWS(1) CASE, FRONT PANEL SECTION877#1#166notsupplied910#1123Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark1X-3372-569-2 PANEL ASSY, FRONT34-962-708-01 EMBLEM (4-A), SONY43-938-526-01 PANEL, LOADING51-769-974-11 WIRE (FLAT TYPE) (13 CORE)64-951-620-01 SCREW (2.6X8), +BVTP73-363-099-01 SCREW (CASE 3 TP2) 83-938-535-11 CASE 9A-2007-619-A PANEL BOARD, COMPLETE (EA, MY, SP, HK, JE) 9A-2007-630-A PANEL BOARD, COMPLETE (AEP, UK, G)103-917-216-02 KNOB (TIMER)45 18 JEAEP, G, EA,MY, SP, HKEA, MY, SPUKHK62566356566453#1not suppliedTCM-9700HLD#1#157585961T90160#2not suppliednot suppliednotsupplied5251#1not supplied(2) CHASSIS SECTION 51A-2007-620-A MAIN BOARD, COMPLETE (EA, MY, SP, HK, JE) 51A-2007-631-A MAIN BOARD, COMPLETE (AEP, UK, G) 52A-2007-622-A DECK BOARD, COMPLETE (EA, MY, SP, HK, JE) 52A-2007-629-A DECK BOARD, COMPLETE (AEP, UK, G)534-951-620-01 SCREW (2.6X8), +BVTP554-956-370-02 BAND, PLUG FIXED!561-574-805-11 CORD, POWER (AEP, G, EA, MY, SP, HK)!561-575-653-11 CORD, POWER (JE)!561-696-570-21 CORD, POWER (UK) 573-703-244-00 BUSHING (2104), CORD(AEP, UK, G, EA, MY, SP, HK) 573-703-571-11 BUSHING (S) (4516), CORD (JE) 583-938-537-11 PANEL, BACK (EA, MY, SP, JE)Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 583-938-537-21 PANEL, BACK (UK) 583-938-537-31 PANEL, BACK (AEP) 583-938-537-41 PANEL, BACK (G) 583-938-537-51 PANEL, BACK (HK) 591-662-565-11 TRANS BOARD604-965-822-01 FOOT611-769-905-11 WIRE (FLAT TYPE) (9 CORE)!621-569-007-11 ADAPTOR, CONVERSION 2P (JE)!631-569-008-11 ADAPTOR, CONVERSION 2P (EA, MY, SP)!641-770-019-11 ADAPTOR, CONVERSION PLUG 3P (HK)!T9011-429-908-11 TRANSFORMER, POWER (EA, MY, SP, JE)!T9011-429-909-11 TRANSFORMER, POWER (AEP, UK, G)The components identified by mark! or dotted line with mark ! are criti-cal for safety.Replace only with part number speci-fied.#155 19 (3) MECHANISM DECK SECTION-1(TCM-9700HLD)notsupplied103104105106107108109106110111101102#4#3S901Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark101A-2004-430-A TRAY (A) ASSY102A-2004-429-A CLAMP (B) ASSY1033-917-502-01 SCREW (2X8), +BTT1043-917-501-01 SPRING, TOGGLE1053-917-498-01 SCREW (2.6X6), +BTT1063-917-497-01 SCREW (2.6X5), +BTT1073-917-499-01 BELT108X-3369-090-1 GEAR ASSY1093-918-629-01 SPRING (A), COMPRESSION1103-918-630-01 WASHER, FLAT1113-917-496-01 CHASSIS (MAIN)S9011-571-300-21 SWITCH, ROTARYM901X-3369-091-1 MOTOR ASSY (LOADING)M901 20 (4) MECHANISM DECK SECTION-2(TCM-9700HLD)170169168167166165164163162174162176177not suppliednot supplied178155180181not suppliednot supplied185#5186PM901#5#6151152153#6#6notsupplied154not suppliednot supplied158159155157156155160161HRPE901Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark151A-2004-436-A GEAR ASSY, PLAY1523-917-549-01 ARM, PLAY1533-917-553-01 SPRING (PLAY ARM), TOGGLE1543-917-566-01 SCREW (2X6), +PTT1553-917-565-01 SCREW (2X4), +PTT1563-917-558-01 WASHER, POLY-SLIDER1573-917-561-01 WASHER, NYLON1583-917-556-01 SPRING (P ROLLER ARM R),TOGGLE159A-2004-434-A ARM (R) ASSY, P ROLLER1603-917-533-01 SCREW (HEAD RVS)1613-917-532-01 CLAMP, HEAD WIRE1623-917-537-01 SPRING (TAPE GUIDE), COMPRESSION1633-917-539-01 GUIDE (R), TAPE1643-917-524-01 SPRING (AZIMUTH)1653-917-541-01 SCREW (2X5)1663-917-531-01 SCREW (AZIMUTH)1673-917-528-01 GEAR (RETURN)1683-917-526-01 COLLAR1693-917-536-01 SCREW (POWER LOCK)1703-917-530-01 SPRING (RETURN), TOGGLE1713-917-534-01 WASHER, POLY-SLIDER1723-917-527-01 GEAR (ROTATION)1733-917-540-01 WASHER, POLY-SLIDER1743-917-538-01 GUIDE (L), TAPE1763-917-529-01 GUIDE (CASSETTE)177X-3369-095-1 PLATE ASSY, HEAD178A-2004-435-A ARM (L) ASSY, P ROLLER1793-917-557-01 SPRING (P ROLLER ARM L), TOGGLE1803-917-562-01 WASHER, NYLON1813-917-559-01 WASHER, POLY-SLIDER1823-917-555-01 SPRING (HEAD CHASSIS H), TOGGLE1833-917-554-01 SPRING (SHIFT H), TOGGLE1843-917-550-01 ARM, SELECT1853-917-547-01 LEVER, SHIFT1863-917-568-01 WASHER, POLY-SLIDERHRPE9011-500-156-11 HEAD (RECORD/ PLAY/ EARTH)PM9013-917-560-01 SOLENOID, PLUNGER155165173172171179183184182 21 (5) MECHANISM DECK SECTION-3(TCM-9700HLD)217218210211212213214213215216notsuppliedM902219notsupplied#5#5#7223222221220225228230229227226231221232233220234236235237#6not supplied202203notsupplied204205206203207208209215208Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark2013-917-608-01 BELT (HK-3), DRIVE202X-3369-099-1 CLUTCH (HK) ASSY2033-917-599-01 WASHER, POLY-SLIDER 204X-3369-098-1 BASE (HK) ASSY, MECHANICAL2053-917-580-01 SPRING (PACK KH)2063-917-582-01 GEAR, REW2073-917-581-01 GEAR, CLUTCH2083-917-584-01 GEAR, FR2093-917-583-01 ARM, FR2103-917-587-01 BUSHING (B), REEL2113-917-586-01 CAP (A), REEL2123-917-594-01 SPRING (REEL C), COMPRESSION2133-917-585-01 GEAR, REEL2143-917-600-01 SEAL, REFLECT2153-917-602-01 FELT, REEL2163-917-589-01 GEAR, PLAY CAM2173-917-590-01 ARM, TRIGGER2183-917-597-01 SPRING (TRIGGER ARM), TENSION2193-917-565-01 SCREW (2X4), +PTT2203-917-604-01 WASHER, POLY-SLIDER2213-701-437-11 WASHER2223-917-623-01 CUSHION, MOTOR RUBBER2233-917-622-01 WASHER (B), FLAT2243-917-620-01 SCREW (MOTOR), STEP2253-917-588-01 SELECT, SHIFT LEVER2263-917-601-01 WASHER, POLY-SLIDER2273-917-592-01 FLYWHEEL (RD) (HK) ASSY2283-917-593-01 FLYWHEEL (LD) (HK) ASSY2293-917-606-01 BELT (HK-1), DRIVE2303-917-607-01 BELT (HK-2), DRIVE2313-917-596-01 SPRING, TOGGLE2323-917-603-01 PULLEY (FLYWHEEL C) ASSY2333-917-605-01 WASHER, NYLON2343-917-595-01 SPRING (CLUTCH ARM), TOGGLE 2351-653-898-11 MECH BOARD2363-917-598-01 SPRING (BRAKE ARM), TOGGLE2373-917-591-01 ARM, BRAKEM902X-3369-100-1 MOTOR (HK) ASSY (CAPSTAN/ REEL)211212notsupplied219224221201 22 SECTION 7ELECTRICAL PARTS LISTNOTE: Due to standardization, replacements in theparts list may be different from the parts speci-fied in the diagrams or the components used onthe set. -XX and -X mean standardized parts, so theymay have some difference from the original one