Sony-TCS3-tape-sm 电路图 维修手册.pdf

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1、SERVICE MANUAL STEREO CASSETTE DECK AEP Model UK Model E Model Australian Model SPECIFICATIONS TC-S3 Ver 1.0 2001.04 9-873-837-11Sony Corporation 2001D0500-1Home Audio Company C 2001.4Shinagawa Tec Service Manual Production Group TC-S3 is the Tape deck section in MHC-S7AV/SV7AV/S3. Recording system4

2、-track 2-channel stereo Frequency response60 13,000 Hz (3 dB), (DOLBY NR OFF)using Sony TYPE I cassette, 60 14,000 Hz (3 dB), using Sony TYPE II cassette Wow and flutter0.15% W.Peak (IEC) 0.1% W.RMS (NAB) 0.2% W.Peak (DIN) Dimensions (w/h/d)Approx. 280 x 128 x 330 mm MassApprox. 2.4 kg Design and sp

3、ecifications are subject to change without notice. Tape deck Model Name Using Similar MechanismNEW SectionTape Transport Mechanism Type TCM-230AWR41/ 230MWR41 Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. “DOLBY” and the double-D symbol ; are trade-

4、marks of Dolby Laboratories Licensing Corporation. RadioFans.CN 收音机爱 好者资料库 2 TC-S3 TABLE OF CONTENTS 1.SERVICING NOTES.3 2.GENERAL Location of Controls .4 3.DISASSEMBLY 3-1.Disassembly Flow .6 3-2.Cover .6 3-3.MAIN Board .7 3-4.Front Panel Section .7 3-5.Tape Mechanism Deck (TCM-230AWR41/230MWR41).8

5、 3-6.LEAF SW Board, HEAD (A) Board, HEAD (B) Board .8 4.TEST MODE.9 5.MECHANICAL ADJUSTMENTS. 10 6. ELECTRICAL ADJUSTMENTS. 10 7.DIAGRAMS 7-1.Note for Printed Wiring Boards and Schematic Diagrams . 13 7-2.Schematic Diagram MAIN Section (1/2) . 14 7-3.Schematic Diagram MAIN Section (2/2) . 15 7-4.Pri

6、nted Wiring Board MAIN Section . 16 7-5.Schematic Diagram LEAF SW Section . 17 7-6.Printed Wiring Board LEAF SW Section . 17 7-7.Schematic Diagram PANEL Section . 18 7-8.Printed Wiring Boards PANEL Section . 18 7-9.IC Pin Function Description . 19 8.EXPLODED VIEWS 8-1.General Section . 21 8-2.Front

7、Panel Section . 22 8-3.Tape Mechanism Deck Section-1 (TCM-230AWR41/230MWR41) . 23 8-4.Tape Mechanism Deck Section-2 (TCM-230AWR41/230MWR41) . 24 9.ELECTRICAL PARTS LIST. 25 Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacit

8、or may be dam- aged by heat. SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN S

9、UPPLEMENTS PUB- LISHED BY SONY. RadioFans.CN 收音机爱 好者资料库 3 TC-S3 SECTION 1 SERVICING NOTES This set is a component of the MHC-S7AV, MHC-SV7AV and MHC-S3. The MHC-S7AV/SV7AV/S3 system configuration is as shown be- low, and therefore it does not operate normally unless all four com- ponents are connect

10、ed. In performing the repair, connect all components with the system cables. Note: The precaution to the users is described on the label stuck on the back panel (CD player) and in the troubleshooting section in the Operation Manual. System Configuration: POWER SUPPLY AC IN TA SYSTEM ra rs rd rf rgrh

11、rjrkrlt; CD SYNC rh (20, 21) DIRECTION t; (19, 20, 21) DOLBY NR rl (19, 20) EDIT rk (21) HI-DUB rj (20) REC PAUSE/START rg (20, 21) Deck A N (forward play) tf (19, 35) n (reverse play) td (19, 35) x (stop) ts (19) M/ (fast forward/go forward) th (19) m/. (rewind/go back) tg (19) Z (eject) ta (19) De

12、ck B N (forward play) ra (19, 20, 35) n (reverse play) rs (19, 20, 35) x (stop) rd (19, 20) M/ (fast forward/go forward) el (19) m/. (rewind/go back) r; (19) Z (eject) rf (19) 1 SYSTEM CONTROL 5 connector (FROM CDP-S3/MCE-VS77) 2 SYSTEM CONTROL 4 connector (FROM ST-S5/S3/VS77) 5 TC-S3 6 x hH H hH O

13、o Pp MmX . 1 2 3 wg qh qa wk wj wh wa 4 5 6 7 qs qf qd qg 8 9 q; qk ql w; qj wd ws wf es ea e; wl Remote Control CD H es (14, 15) CHECK 5 (15) CLEAR 6 (15) CLOCK/TIMER SELECT qj (30) CLOCK/TIMER SET qk (13, 21, 29) DBFB qg (23) DISPLAY ws (13, 16, 18, 29, 35) D.SKIP 4 (14) ENTER wg (10, 12, 13, 15,

14、17, 18, 21, 22, 2630) EQ qd (27) EQ ON/OFF qf (10, 28) FUNCTION wf (10, 14, 15, 20, 21, 31) GROOVE wa (23) SET UP qs (10, 12, 26, 28, 29) SLEEP 7 (29) SUR wd (25) TAPE A hH ea (19, 35) TAPE B hH e; (19, 20, 35) TUNER/BAND wl (17) TUNING + 9 (17) TUNING wh (17) TV CH +/ ql TV VOL +/ w; TV /1 2 TV/VID

15、EO 1 VOL +/ qh BUTTON DESCRIPTIONS /1 (power) 3 X (pause) q; x (stop) 8 . (go back) wk (go forward) wj m (rewind) wh M (fast forward) 9 O/o/P/p qa TC-S3 6 This set can be disassembled in the order shown below. 3-1.DISASSEMBLY FLOW SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the n

16、umerical order given. 3-2.COVER 3-2.COVER (Page 6) 3-3.MAIN BOARD (Page 7) 3-4.FRONT PANEL SECTION (Page 7) 3-6.LEAF SW BOARD, HEAD (A) BOARD, HEAD (B) BOARD (Page 8) 3-5.TAPE MECHANISM DECK (TCM-230AWR41/230MWR41) (Page 8) SET 2two screws (case 3 TP2) 3 3 2two screws (case 3 TP2) 1three screws (BVT

17、P3 8) 4Remove the cover in the direction of arrow A. A TC-S3 7 3-3.MAIN BOARD 3-4.FRONT PANEL SECTION 2connector (CN1) 5MAIN board 1wire (flat type) (17 core) (CN311) 2three connectors (CN309, 310, 314) 3three screws (BVTP3 8) 3screw (BVTP3 8) 4PC board holder 2connector (CN2) 7front panel section 2

18、connector (CN1) 3screw (BVTP3 8) 2connector (CN314) 1wire (flat type) (17 core) (CN311) 4lug 6two claws 2connector (CN2) 6three claws 5three screws (BVTP3 8) TC-S3 8 3-5.TAPE MECHANISM DECK (TCM-230AWR41/230MWR41) 2five screws (BVTP2.6 8) 4tape mechanism deck (TCM-230AWR41/230MWR41) 1Open the casset

19、te holder (L)/(R). 3lug 3-6.LEAF SW BOARD, HEAD (A) BOARD, HEAD (B) BOARD 6screw (+PTT 2 4) 4screw (+PTT 2 4) 3LEAF SW board 2five claws 5head (A) board 7head (B) board 1Remove the four solderings. 9 TC-S3 SECTION 4 TEST MODE Note: Use following buttons in the test mode. no mark: Button of Tape unit

20、 (TC-S3) *1: Button of amplifier unit (TA-S7AV or TA-S3) *2: Button of CD unit (CDP-S3) MC Test Mode Enter the MC Test Mode Procedure: 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

21、fluorescent indicator tube in the midst of MC test mode. Releasing the MC Test Mode To release from this mode, press the I/1 *1 button or disconnect the power cord. DECK Test Mode In the DECK test mode, it operates as follows. Cancellation of the linear mute of DOLBY IC (IC301) It become cancellatio

22、n automatically when it is possible to en- ter a MC test mode. AMS checking Procedure: 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 CD SYNC button to enter the AMS test mode. 5.After a tape is rewound first, the FF AMS is checked, a

23、nd the mechanism is shut off after detecting the ASM signal twice. 6.Then the REW AMS is checked and the mechanism is shut off after detecting the AMS signal twice. 7.When the check is complete, a message of either OK or NG appears. (To check an AMS of the B deck, select TAPE B function. After that,

24、 press CD SYNC.) x ALC checking Procedure: 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/START ALC could keep ON while these keys keep being pressed, ALC could keep OFF while keys are released. Double speed REC mode Proced

25、ure: 1.Enter the MC test mode 2.Insert a tape into Deck B. 3.During Recording, keep holding down the below key. HI-DUB Double speed recording is going on while the key keeps being pressed. REC/PLAY checking The mode to PLAY by rewinding recording contents automati- cally. Procedure: 1.If recording A

26、 surface, it returns automatically at the point of the recording beginning and it replays when pressing TAPE B . 2.If recording B surface, it returns automatically at the point of the recording beginning and it replays when pressing TAPE B . x M m 10 TC-S3 SECTION 5 MECHANICAL ADJUSTMENTS SECTION 6

27、ELECTRICAL ADJUSTMENTS 0 dB=0.775 VDECK SECTION 1.Demagnetize the record/playback head with a head demagnetizer. 2.Do not use a magnetized screwdriver for the adjustments. 3.After the adjustments, apply suitable locking compound to the parts adjust. 4.The adjustments should be performed with the rat

28、ed power supply voltage unless otherwise noted. 5.The adjustments should be performed in the order given in this service manual. (As a general rule, playback circuit ad- justment should be completed before performing recording circuit adjustment.) 6.The adjustments should be performed for both L-CH

29、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 Tape TapeSignalUsed for P-4-A10010 kHz, 10 dBAzimuth Adjustment WS-48B3 kHz, 0 dBTape Speed Adjustment P-4-L300J315 Hz, 0 dBLevel Adjustme

30、nt DECK A DECK B Record/Playback Head Azimuth Adjustment Note: Perform this adjustments for both decks Procedure: 1.Mode: Playback Precaution 1.Clean the following parts with a denatured alcohol-moistened swab: record/playback headspinch rollers erase headrubber belts capstanidlers 2.Demagnetize the

31、 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 the parts adjusted. 5.The adjustments should be performed with the rated power supply voltage unless otherwise noted. Torque Measur

32、ement set ST- S3/S5/SV7 test tape P-4-A100 (10 kHz, 10 dB) + level meter MD OUT jack (J601) 3.06 N m to 6.96 N m 31 to 71 g cm (0.43 0.98 oz inch) 0.19 N m to 0.58 N m 2 to 6 g cm (0.02 0.08 oz inch) 3.06 N m to 6.96 N m 31 to 71 g cm (0.43 0.98 oz inch) 0.19 N m to 0.58 N m 2 to 6 g cm (0.02 0.08 o

33、z inch) 6.96 N m to 14.02 N m 71 to 143 g cm (0.98 1.99 oz inch) 9.80 N m 100 g or more (3.53 oz or more) 9.80 N m 100 g or more (3.53 oz or more) ModeTorque meter CQ-102C CQ-102C CQ-102RC CQ-102RC CQ-201B CQ-403A CQ-403R Meter reading FWD FWD back tension REV REV back tension FF/REW FWD tension REV

34、 tension 11 TC-S3 2.Turn the adjustment screw and check output peaks. If the peaks do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1dB of peak. 3.Mode: Playback 4.After the adjustments, apply suitable locking compound to the pats adjusted. Adjustment Location:P

35、layback Head (Deck A). Record/Playback/Erase Head (Deck B). Note: Use following buttons in the test mode. no mark: Button of Tape unit (TC-S3) *1: Button of amplifier unit (TA-S7AV or TA-S3) *2: Button of CD unit (CDP-S3) Tape Speed AdjustmentDECK B Note: Start the Tape Speed adjustment as below aft

36、er setting to the test mode. In the test mode, the tape speed is high during pressing the HI-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 display while in the test m

37、ode.) To exit from the test mode, press the?/1 *1 button. Mode: Playback 1.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 frequency counter reads 6,000 30 Hz. 5.P

38、ress the HI-DUB button. Then back to NORMAL speed mode. 6.Adjust RV1002 on the LEAF SW board so that frequency counter reads 3,000 15 Hz. Adjustment Location: LEAF SW board Playback level AdjustmentDECK A DECK B Procedure: Mode: Playback 1.Confirm that level difference between the channels is with 0

39、.5 dB. 2.After check, adjust the following RVs. Deck A is RV302 (L-CH), Deck B is RV303 (L-CH) so that adjustment 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 board Sample Volue of Wow and Flutter: 0.3% or

40、 less W. RMS (WS-48B) Screw position L-CH peak within 1dB Output level L-CH peak R-CH peak within 1dB Screw position R-CH peak set test tape P-4-A100 (10 kHz, 10 dB) oscilloscope L-CH R-CH waveform of oscilloscope in phase 4590135 180 goodwrong ST- S3/S5/SV7 MD OUT jack (J601) + + set test tape WS-4

41、8B (3 kHz, 0 dB) frequency counter ST- S3/S5/SV7 MD OUT jack (J601) set test tape P-4-L300J (315 Hz, 0 dB) ST- S3/S5/SV7 + level meter MD OUT jack (J601) reverse forward x 12 TC-S3 Adjustable level: MD OUT jack PB level: 47.2 to 53.0 mV (27.3 to 26.3 dB) Adjustment Location: MAIN board MAIN BOARD (C

42、omponent Side) LEAF SW BOARD (Component Side) REC Bias Adjustment DECK B Procedure: 1.Insert a tape into Deck B. 2.After press REC PAUSE/START button, press REC PAUSE/START button, then recording start. 3.Mode: Record 4.Mode: Playback 5.Confirm the playback signal recorded in step 3 becomes ad- just

43、able 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 4 and 5. Adjustable level: Playback output of 315 Hz to playback output of 10 kHz: 1.0 dB Adjustment Location: MAIN board REC Level Adjustment DECK B Procedure

44、: 1.Insert a tape into Deck B. 2.After press REC PAUSE/START button, press REC PAUSE/START button, then recording start. 3.Mode: Record 4.Mode: Playback 5.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

45、 (L- CH) and RV351 (R-CH) on the MAIN board to repeat steps 4 and 5. attenuator set MD/VIDEO (AUDIO) IN (J601): ST-S3/S5/SV7 1) 315 Hz 2) 10 kHz 50 mV (23.8 dB) 600 blank tape CN-123 AF OSC ST- S3/S5/SV7 + set recorded portion level meter MD OUT jack (J601) ST- S3/S5/SV7 MD/VIDEO (AUDIO) IN (J601) :

46、 ST-S3/S5/SV7 315 Hz, 50 mV (23.8 dB) blank tape CS-123 attenuator set 600 AF OSC ST- S3/S5/SV7 + set recorded portion level meter MD OUT jack (J601) ST- S3/S5/SV7 TAPE SPEED RV1002 RV1001 (NORMAL) (HIGH) CN1001 DECK A PB LEVEL (L-CH) REC LEVEL (R-CH) DECK B PB LEVEL (L-CH) REC LEVEL (L-CH) REC BIAS (R-CH) REC BIAS (L-CH) RV302 RV303 RV354 RV304 RV301 RV351 CN311 IC303 IC302 TC-S3 1313 SEC