Sony-TCS9-tape-sm 维修电路原理图.pdf

SERVICE MANUALSTEREO CASSETTE DECKAEP ModelUK ModelE ModelAustralian ModelSPECIFICATIONSTC-S9Ver 1.0 2001.099-873-281-01Sony Corporation2001I0500-1Home Audio CompanyC 2001.9Shinagawa Tec Service Manual Production GroupTC-S9 is the Tape deck sectionin MHC-S9D.Tape deckModel Name Using Similar MechanismTC-S3SectionTape Transport Mechanism TypeTCM-230AWR41,TCM-230MWR41Dolby noise reduction manufactured under licensefrom Dolby Laboratories Licensing Corporation.“DOLBY” and the double-D symbol ; are trade-marks of Do by Laboratories Licensing Corporation.Recording system4-track 2-channel stereoFrequency response60 13,000 Hz (3 dB),(DOLBY NR OFF)using Sony TYPE Icassette,60 14,000 Hz (3 dB),using Sony TYPE IIcassetteDimensions (w/h/d)Approx 280 x 128 x 330 mmMassApprox 2 4 kgDesign and specifications are subject to changewithout noticeRadioFans.CN 收音机爱 好者资料库2TC-S9TABLE OF CONTENTS1.SERVICING NOTES.32.GENERALLocation of Controls .43.DISASSEMBLY3-1.Disassembly Flow .53-2.Case .53-3.MAIN Board .63-4.Front Panel Section .63-5.Tape Mechanism Deck(TCM-230AWR41, TCM-230MWR41).73-6.LEAF SW Board, HEAD (A) Board andHEAD (B) Board .74.TEST MODE.85.MECHANICAL ADJUSTMENTS.96.ELECTRICAL ADJUSTMENTS.97.DIAGRAMS7-1.Note for Printed Wiring Boards andSchematic Diagrams . 137-2.Schematic Diagram MAIN Section (1/2) . 147-3.Schematic Diagram MAIN Section (2/2) . 157-4.Printed Wirings Boards MAIN Section . 167-5.Schematic Diagram LEAF SW Section . 177-6.Printed Wiring Board LEAF SW Section . 177-7.Schematic Diagram PANEL Section . 187-8.Printed Wiring Boards PANEL Section . 187-9.IC Pin Function Description . 198.EXPLODED VIEWS8-1.General Section . 218-2.Front Panel Section . 228-3.Tape Mechanism Deck Section(TCM-230AWR41). 238-4.Tape Mechanism Deck Section(TCM-230MWR41) . 248-5.Sub Chassis Assy Section(TCM-230MWR41) . 259.ELECTRICAL PARTS LIST. 26Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be dam-aged by heat.SAFETY-RELATED COMPONENT WARNING!COMPONENTS IDENTIFIED BY MARK 0 OR DOTTEDLINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMSAND IN THE PARTS LIST ARE CRITICAL TO SAFEOPERATION. REPLACE THESE COMPONENTS WITHSONY PARTS WHOSE PART NUMBERS APPEAR ASSHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-LISHED BY SONY.RadioFans.CN 收音机爱 好者资料库3TC-S9SECTION 1SERVICING NOTESModelPART No.AEP and UK models4-236-839-0Australian, Saudi Arabiaand Korean models4-236-839-1E and Singapore models4-236-839-2Mexican model4-236-839-3Thai model4-236-839-4 MODEL IDENTIFICATION Rear Panel This set is a component of the MHC-S9D.The MHC-S9D system configuration is as shown below, and there-fore it does not operate normally unless all four components areconnected.In performing the repair, connect all components with the systemcables.Note: The precaution to the users is described on the label stuckon the back panel (DVD/video CD/CD player) and in the trouble-shooting section in the Operation Manual.System Configuration:POWER SUPPLYAC INTAMASTER & GRAPHIC conSTTC conTCDISPLAYHTC & MB conDVPPOWER BLOCKPART No. TAPE MECHANISM DECK DISCRIMINATIONTCM-230AWR41 and TCM-230MWR41 are used for the tapemechanism deck of this set, and they can be discriminated as shownbelow.main chassisstraightL-shapeTCM-230AWR41TCM-230MWR41main chassis4TC-S9SECTION 2GENERALThis section is extracted frominstruction manual.LOCATION OF CONTROLSCassette deckCD SYNC ta (45, 46)DIRECTION tf (44, 45, 46, 55)DOLBY NR td (4446)HI-DUB ts (45)REC PAUSE/START t; (45, 46, 55) Deck A N (forward play) tk (44, 55, 63)n (reverse play) tj (44, 63)x (stop) th (44)/M (go forward/fastforward) y; (44)./m (go back/rewind) tl(44)Z (eject) tg (44, 63) Deck B N (forward play) rh (44, 45, 63)n (reverse play) rj (44, 45, 63)x (stop) rk (44, 45, 55)M/ (fast forward/goforward) rf (44)m/. (rewind/go back) rg(44)Z (eject) rl (44, 63)hHAUTO REVERSEhHAUTO REVERSE.hH.hxAAy;tltktjthtgrfrgrhrjrkrlt;tatstdtfMain unitParts IdentificationThe items are arranged in alphabetical order.Refer to the pages indicated in parentheses ( ) for details.Remote controlANGLE es (37)AUDIO ws (34)CLEAR qs (22, 29, 30, 36)CLOCK/TIMER SELECT 3(47, 56)CLOCK/TIMER SET 2 (17, 47,56)DBFB ra (48)D.SKIP 9 (26)DIGITAL rf (57)DISPLAY rj (17, 31, 32, 43, 54)DVD DISPLAY wd (18, 19, 30,3234, 3640)DVD MENU wa (27)DVD SET UP ql (18, 19, 24, 39)ENTER wjEQ ea (52)EQ ON/OFF wl (53)FILE SELECT +/ wh (48, 49,53)FUNCTION rd (18, 25, 27, 28,36, 45, 46, 55, 57)GROOVE rs (48)KARAOKE PON (Except forEuropean model) el (54)MD rh (57)Numeric buttons 8 (28, 30)PLAY MODE qa (25, 28, 29, 46)REPEAT q; (30)RETURN O qd (27, 39, 40)SELECT DVD N eh (20, 25,27, 29, 30)SET UP wf (14, 16, 51, 53, 54)SLEEP 1 (55)SLOW t/T qk (26)SPECTRUM ANALYZER rk(54)STEP c/C ef (26)SUBTITLE ed (37)SUR e; (51)TAPE A nN ek (44)TAPE B nN qf (44, 45)TITLE w; (27)TUNER/BAND ej (42)TV /1 4 (13)TV CH +/ 7 (13)TV/VIDEO rl (13)TV VOL +/ 6 (13)VIDEO rg (57)VOL +/ wgMm.nNOTtCcVvBb1 234 5e;esefejeg6798q;qaqdqsqfqgqjqhqkqlwawdwswfw;wgwjwhwkedwleaehelrsrardekr;rgrjrlrfrhrk BUTTON DESCRIPTIONS/1 (power) 5X (pause) qjx (stop) qgm/M (rewind/fast forward),TUNING /+ qh./ (go back/go forward),PRESET /+, PREV/NEXT egO/o/P/p wk10 r;TC-S95 This set can be disassembled in the order shown below.3-1.DISASSEMBLY FLOWSECTION 3DISASSEMBLYNote: Follow the disassembly procedure in the numerical order given.3-2.CASE3-2.CASE(Page 5)3-3.MAIN BOARD(Page 6)3-4.FRONT PANEL SECTION(Page 6)3-6.LEAF SW BOARD, HEAD (A) BOARD AND HEAD (B) BOARD(Page 7)3-5.TAPE MECHANISM DECK(TCM-230AWR41, TCM-230MWR41)(Page 7)SET2two screws(case 3 TP2)332two screws(case 3 TP2)1three screws(BVTT3 6)4Remove the case in thedirection of arrow A.ATC-S963-3.MAIN BOARD3-4.FRONT PANEL SECTION2connector(CN1)5MAIN board1wire (flat type) (17 core)(CN311)2three connectors(CN309, 310, 314)3three screws(BVTP3 8)3screw(BVTP3 8)4PC board holder2connector(CN2)7front panel section2connector(CN1)3screw(BVTP3 8)2connector(CN314)1wire (flat type) (17 core)(CN311)4lug6two claws2connector(CN2)6three claws5three screws(BVTP3 8)TC-S973-5.TAPE MECHANISM DECK (TCM-230AWR41, TCM-230MWR41)2five screws(BVTP2.6 8)4tape mechanism deck(TCM-230AWR41, TCM-230MWR41)1Open the cassette holder (L)/(R).3lug3-6.LEAF SW BOARD, HEAD (A) BOARD AND HEAD (B) BOARD6screw (+PTT 2 4)4screw (+PTT 2 4)3LEAF SW board2five claws5head (A) board7head (B) board1Remove the four solderings.8TC-S9SECTION 4TEST MODENote: Use following buttons in the test mode.no mark: Button of Tape unit (TC-S9)*1: Button of amplifier unit (TA-S9D)*2: Button of DVD/video CD/CD unit (DVP-S9)MC Test ModeEnter the MC Test ModeProcedure:1.Press the I/1 *1 button to turn the power on.2.While pressing the both PLAY MODE*2 and *2 buttons,press the DISC 3*2 button.3.“GROOVE” indication blinks on the fluorescent indicator tubein the midst of MC test mode.Releasing the MC Test ModeTo release from this mode, press the I/1 *1 button or disconnectthe power cord.DECK Test ModeIn the DECK test mode, it operates as follows.Cancellation of the linear mute of DOLBY IC (IC301) It become cancellation automatically when it is possible to en-ter a MC test mode.AMS CheckingProcedure:1.Enter the MC test mode.2.Insert a test tape AMS-110A or AMS-120 to Deck A.3.Set TAPE A function.4.Press the DVD SYNC button to enter the AMS test mode.5.After a tape is rewound first, the FF AMS is checked, and themechanism is shut off after detecting the ASM signal twice.6.Then the REW AMS is checked and the mechanism is shut offafter detecting the AMS signal twice.7.When the check is complete, a message of either OK or NGappears.(To check an AMS of the B deck, select TAPE B function.After that, press DVD SYNC.)xALC CheckingProcedure:1.Enter the MC test mode.2.Insert a tape into Deck B.3.During Recording, Keep holding down the below keys. *2 + REC PAUSE/STARTALC could keep ON while these keys keep being pressed, ALCcould keep OFF while keys are released.Double Speed REC ModeProcedure:1.Enter the MC test mode2.Insert a tape into Deck B.3.During Recording, keep holding down the below key.HI-DUBDouble speed recording is going on while the key keeps beingpressed.REC/PLAY Checking The mode to PLAY by rewinding recording contents automati-cally.Procedure:1.If recording A surface, it returns automatically at the point ofthe recording beginning and it replays when pressingTAPE B .2.If recording B surface, it returns automatically at the point ofthe recording beginning and it replays when pressingTAPE B .xMm9TC-S9SECTION 5MECHANICAL ADJUSTMENTSSECTION 6ELECTRICAL ADJUSTMENTS0 dB=0.775 VDECK SECTION1.Demagnetize the record/playback head with a headdemagnetizer.2.Do not use a magnetized screwdriver for the adjustments.3.After the adjustments, apply suitable locking compound to theparts adjust.4.The adjustments should be performed with the rated powersupply voltage unless otherwise noted.5.The adjustments should be performed in the order given inthis service manual. (As a general rule, playback circuit ad-justment should be completed before performing recordingcircuit adjustment.)6.The adjustments should be performed for both L-CH and R-CH.7.Switches and controls should be set as follows unless other-wise specified.8.Please refer to “SERVICING NOTES” (page 3) before adjust-ments. Test TapeTapeSignalUsed forP-4-A10010 kHz, 10 dBAzimuth AdjustmentWS-48B3 kHz, 0 dBTape Speed AdjustmentP-4-L300J315 Hz, 0 dBLevel AdjustmentDECK A DECK BRecord/Playback Head Azimuth AdjustmentNote: Perform this adjustments for both decksProcedure:1.Mode: PlaybackPrecaution1.Clean the following parts with a denatured alcohol-moistenedswab:record/playback headspinch rollerserase headrubber beltscapstanidlers2.Demagnetize the record/playback head with a head demagne-tizer.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 powersupply voltage unless otherwise noted.Torque MeasurementsetST-S9test tapeP-4-A100(10 kHz, 10 dB)+level meterMD OUT jack(J601)3.06 N m to 6.96 N m31 to 71 g cm(0.43 0.98 oz inch)0.19 N m to 0.58 N m2 to 6 g cm(0.02 0.08 oz inch)3.06 N m to 6.96 N m31 to 71 g cm(0.43 0.98 oz inch)0.19 N m to 0.58 N m2 to 6 g cm(0.02 0.08 oz inch)6.96 N m to 14.02 N m71 to 143 g cm(0.98 1.99 oz inch)9.80 N m100 g or more(3.53 oz or more)9.80 N m100 g or more(3.53 oz or more)ModeTorque meterCQ-102CCQ-102CCQ-102RCCQ-102RCCQ-201BCQ-403ACQ-403RMeter readingFWDFWDback tensionREVREVback tensionFF/REWFWD tensionREV tension10TC-S92.Turn the adjustment screw and check output peaks. If the peaksdo not match for L-CH and R-CH, turn the adjustment screwso that outputs match within 1dB of peak.3.Mode: Playback4.After the adjustments, apply suitable locking compound tothe pats adjusted.Adjustment Location:Playback Head (Deck A).Record/Playback/Erase Head (Deck B).Note: Use following buttons in the test mode.no mark: Button of Tape unit (TC-S9)*1: Button of amplifier unit (TA-S9D)*2: Button of DVD/video CD/CD unit (DVP-S9)Tape Speed AdjustmentDECK BNote: Start the Tape Speed adjustment as below after setting to the testmode.In the test mode, the tape speed is high during pressing theHI-DUB button.Procedure:1.Turn the power switch on.2.While pressing the both PLAY MODE*2 and *2 buttons,press the DISC 3*2 button.(The “GROOVE” on the fluorescent indicator tube displaywhile in the test mode.)To exit from the test mode, press the?/1 *1 button.Mode: Playback1.Insert the WS-48B into the deck B.2.Press the N button on the deck B.3.Press the HI-DUB button in playback mode.Then at HIGH speed mode.4.Adjust RV1001 on the LEAF SW board so that frequencycounter reads 6,000 180 Hz.5.Press the HI-DUB button.Then back to NORMAL speed mode.6.Adjust RV1002 on the LEAF SW board so that frequencycounter reads 3,000 90 Hz.Adjustment Location: LEAF SW boardSample Volue of Wow and Flutter: 0.3% or less W. RMS(WS-48B)Playback Level AdjustmentDECK A DECK BProcedure:Mode: Playback1.Confirm that level difference between the channels is with 0.5 dB.2.After check, adjust the following RVs.Deck A is RV302 (L-CH), Deck B is RV303 (L-CH) so thatadjustment within adjustment level as follows.Adjustment Level:MD OUT jack (J601) PB level: 334.4 to 748.7 mV(6.8 0.5 dB)Adjustment Location: MAIN boardScrewpositionL-CHpeakwithin1dBOutputlevelL-CHpeakR-CHpeakwithin1dBScrewpositionR-CHpeaksettest tapeP-4-A100(10 kHz, 10 dB)oscilloscopeL-CHR-CHwaveform of oscilloscopein phase 4590135 180goodwrongST-S9MD OUT jack(J601)+settest tapeWS-48B (3 kHz, 0 dB)frequency counterST-S9MD OUT jack(J601)settest tapeP-4-L300J(315 Hz, 0 dB)ST-S9+level meterMD OUT jack(J601)reverseforwardx11TC-S9Adjustable level:MD OUT jack PB level: 47.2 to 53.0 mV (27.3 to 26.3 dB)Adjustment Location: MAIN boardMAIN BOARD (Component Side)LEAF SW BOARD (Component Side)REC Bias Adjustment DECK BProcedure:1.Insert a tape into Deck B.2.After press REC PAUSE/START button,press REC PAUSE/START button, then recording start.3.Mode: Record4.Mode: Playback5.Confirm the playback signal recorded in step 3 becomes ad-justable level as follows.If these levels are not adjustable level, adjust the RV304 (L-CH) and RV354 (R-CH) on the MAIN board to repeat steps 4and 5.Adjustable level: Playback output of 315 Hz to playback outputof 10 kHz: 1.0 dBAdjustment Location: MAIN boardREC Level Adjustment DECK BProcedure:1.Insert a tape into Deck B.2.After press REC PAUSE/START button, pressREC PAUSE/START button, then recording start.3.Mode: Record4.Mode: Playback5.Confirm the play back signal recorded in step 3 becomes ad-justable level as follows.If these levels are not adjustable level, adjust the RV301 (L-CH) and RV351 (R-CH) on the MAIN board to repeat steps 4and 5.attenuatorsetMD/VIDEO (AUDIO) IN (J601): ST-S91) 315 Hz2) 10 kHz50 mV (23.8 dB)600 blank tapeCS-123AF OSCST-S9+setrecordedportionlevel meterMD OUT jack(J601)ST-S9MD/VIDEO (AUDIO) IN (J601) : ST-S9315 Hz, 50 mV (23.8 dB)blank tapeCS-123attenuatorset600 AF OSCST-S9+setrecordedportionlevel meterMD OUT jack(J601)ST-S9TAPE SPEEDRV1002RV1001(NORMAL) (HIGH)CN1001DECK APB LEVEL(L-CH)REC LEVEL(R-CH)DECK BPB LEVEL(L-CH)REC LEVEL(L-CH)REC BIAS(R-CH)REC BIAS(L-CH)RV302RV303RV354RV304RV301RV351CN311IC303IC30212TC-S9MEMOTC-S91313SECTION 7DIAGRAMS7-1.NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMSNote on Printed Wiring Boards: X : parts extracted from the component side.: Pattern from the side which enables seeing. Indication of transistor.BThese are omitted.CEQBThese are omitted.CEQNote on Schematic Diagram: All capacitors are in F unless otherwise noted. pF: F50 WV or less are not indicated except for electrolyticsand tantalums. All resistors are in and 1/4 W or less unless otherwisespecified. 5 : fusible resistor. C : panel designation. A : B+ Line. B : B Line. Voltages and waveforms are dc with respect to groundunder no-signal conditions.no mark : STOP() : PB : REC Voltages are taken with a VOM (Input impedance 10 M).Voltage variations may be noted due to n