Sony-TCTX5-tape-sm维修电路原理图.pdf

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1、MICROFILM TC-TX5 STEREO CASSETTE DECK AEP Model UK Model E Model Tourist Model SERVICE MANUAL Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. “DOLBY” and the double-D symbol a are trademarks of Dolby Laboratories Licensing Corporation. Model Name Using

2、 Similar MechanismTC-S1 Tape Transport Mechanism TypeTCM-9700HLD SPECIFICATIONS Recording system4-track 2-channel stereo Frequency response(DOLBY NR OFF) 30 14,000 Hz (3 dB), using Sony TYPE I cassette 30 15,000 Hz (3 dB), using Sony TYPE II cassette Wow and flutter0.15% W. Peak (IEC) 0.1% W. RMS (N

3、AB) 0.2% W. Peak (DIN) InputTAPE IN (phono jacks): impedance 47 kilohms OutputTAPE OUT (phono jacks): voltage 550 mV impedance 47 kilohms General Power requirementsAEP, UK, Germany: 220 230V AC, 50/60 Hz Other countries: 110 120V or 220 240 V AC, 50/60Hz Adjustable with the voltage selector Power co

4、nsumption10 W DimensionsApprox. 280 85 360 mm (111/8 33/8 141/4 in) (w/h/d) incl. projecting parts and controls MassApprox. 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 without notice. RadioFans.CN 收音机爱

5、好者资料库 RadioFans.CN 收音机爱 好者资料库 3 SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. CASEFRONT PANEL SECTION LOADING PANELMECHANISM DECK 2Remove the loading panel to direction of the arrow B. B 1Rotate the gear to direction of the arrow A. 1two screws (BVTT2.6 8

6、) 3two screws (BV3 8) 2bracket 7mechanism deck 5connector (CN804) 4four screws (BV3 8) 6two claws 5two connectors (CN351, 803) 1two screws (CASE 3 TP2) 2case 1two screws (CASE 3 TP2) 1screw (BV3 8) 2flat wire (CN802) 3front panel section 1screw (BV3 8) 1three screws (BV3 8) A 4 PRECAUTION 1.Clean th

7、e following parts with a denatured-alcohol-moistened swab: record/playback/earth headpinch roller rubber beltscapstan idlers 2.Demagnetize the record/playback head with a head demagne- tizer. (Do not bring the head demagnetizer close to the erase head.) 3.Do not use a magnetized screwdriver for the

8、adjustments. 4.After the adjustments, apply suitable locking compound to the parts adjusted. 5.The adjustments should be performed with the rated power sup- ply voltage unless otherwise noted. Torque Measurement SECTION 3 MECHANICAL ADJUSTMENTS ModeTorque MeterMeter Reading CQ-102C 30-65 gcm FWD (0.

9、42-0.90 ozinch) FWD1.5-6 gcm Back tension(0.021-0.083 ozinch) CQ-102RC 30-65 gcm REV (0.42-0.90 ozinch) REV1.5-6 gcm Back tension(0.021-0.083 ozinch) 70-130 gcm FF, REWCQ-201B (0.98-1.80 ozinch) SECTION 4 ELECTRICAL ADJUSTMENTS Note: The adjustment should be performed in the order given in the servi

10、ce manual. As a rule, adjustments about playback should be performed before those about recording. The adjustments should be performed before for both L-CH and R-CH. Switches and controls should be set as follows unless otherwise specified. DOLBY NR switch: OFF DIRECTION switch : A 0 dB=0.775 V Test

11、 Tape TypeSignalUsed for P-4-A10010 kHz, 10 dBAzimuth Adjustment P-4-L300315 Hz, 0 dBPlayback Level Adjustment WS-48B3 kHz, 0 dBTape Speed Check Test Mode This 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 Adj

12、ustment Procedure: 1.Mode : REV playback 2.Turn the adjustment screw for the maximum output levels. If these levels do not match, turn the adjustment screw until both of output levels match together within 1 dB. Screw position L-CH peak within 1dB output level L-CH peakR-CH peak within 1dB angle R-C

13、H peak 3.Phase Check Mode : playback + VH + Screen pattern GoodWrong in phase 4590135180 LINE OUT set R-CH L-CH47 k 47 k oscilloscope test tape P-4-A100 (10 kHz, 10 dB) + set 47 k LINE OUT level meter Test tape P-4-A100 (10 kHz, 10 dB) 4.Set in the FWD mode and repeat the step 1 to 3. 5.After the ad

14、justment, lock the screw with locking compound. Adjustment Location: Record/Playback head FWD sideREV side Adjustment screw Tape Speed Adjustment Procedure: Mode: FWD playback + set LINE OUT frequency counter test tape WS-48B (3 kHz, 0 dB) 47 k 1. Set to FWD playback mode. 2. Adjust RV801 so that th

15、e frequency counter reading becomes 2,980 30 Hz. 3. Confirm that the deviation between tape top and tape end is within 3%. Playback Level Adjustment Procedure: Mode: FWD playback Adjust RV151 (L-CH) and RV251 (R-CH) so that the reading on level meter meets the adjustment limits below. Adjustment Lim

16、its: LINE OUT level: 4.70.5 dB (0.43 to 0.48 V) Level difference between channels: within 2 dB Check that the LINE OUT level does not change even if Playback and Stop operation is repeated several times. Adjustment Location: DECK board Adjustment Location: DECK BOARD (Component side) + set LINE OUT

17、47 k test tape P-4-L300 (315 Hz, 0 dB) level meter IC305 CN352 T351 RV252 Record BIAS(R-CH) RV152 Record BIAS(L-CH) RV251 Playback Level(R-CH) RV151 Playback Level(L-CH) 6 set AF OSC Attenuator 600 10 k blank tape CS-123 LINE IN 1) 315 Hz 2) 10 kHz 67 mV (21.3 dB) Record BIAS Adjustment Procedure: 1

18、.Mode : record 2.Mode: playback Record Level Adjustment Procedure: 1.Mode : record 2.Mode: playback + set LINE OUT 47 k recorded portion level meter 3.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-

19、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 board MAIN BOARD (Component side) CN803 IC304 CN802 RV801 Tape Speed CN801 TEST mode RV253 Record Level(R-CH) RV153 Record Level(L-CH) 3.Confirm p

20、layback 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 + set LINE OUT 47 k recorded portion level me

21、ter set AF OSC Attenuator 600 10 k blank tape CS-123 LINE IN 315 Hz, 67 mV ( 21.3 dB) SECTION 5 DIAGRAMS 7 5-1.IC PIN FUNCTION DESCRIPTION MAIN BOARD IC101 M38172M4-180FP (SYSTEM CONTROL) Pin No.Pin NameI/OFunction 1 Not used (Fixed at “L”) 2 3KEY-XI Key input (A/D convert input) *1 4KEY-YI 5FWD TAB

22、IREC proof detection input from S902 (FWD side)“H”: Not nail 6CHROM SWITape type detection input from S903“L”: Type I 7RVS TABIREC proof detection input from S904 (REV side)“H”: Not nail 8Not used (Fixed at “L”) 9PLAY SWIPlayback and stop detection input from S907“L”: Playback 10TEST MODEITest mode

23、terminalNormal: “H”Test mode: “L” 11POWER OUTOAudio and mechanism power on/off output“L”: Off (Not used) 12POWER INIPrimary power on/off input“H”: On 13CLOSEO Loading motor (M901) drive output *2 14OPENO 15 16 17 Not used (Fixed at “L”) 18 19 20 21(CLOCK)ONot used (Open) 22(DATA)ONot used (Fixed at

24、“H”) 23RELAYORelay drive output“L”: ON 24BIASOControl output to recording bias switch (Q352)“L”: ON 25AU BUS OUTOAudio bus output 26AU BUS INIAudio bus input 27RESETIReset input 28X CININot used (Fixed at “L”) 29X COUTONot used (Open) 30X INIMain system clock input (4 MHz) 31XOUTOMain system clock o

25、utput (4 MHz) 32VssGround 33REC MUTEORecording mute on/off control output“L”: Mute on 34LINE MUTEOLine mute on/off control output“L”: Mute on 35Not used (Fixed at “L”) 36PB MUTEOPlayback mute on/off control output“L”: Mute on 37REC/PBOMode control output to DOLBY NR amplifier (IC301)When recording:

26、“H” 38 Not used (Open) 39 40Not 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

27、 () LED (D852) 8 Pin No.Pin NameI/OFunction 47FWDOControl output to FWD () LED (D851) 48 49 50 51 52 53 54 55 56Not used (Open) 57 58 59 60 61 62 63 64 65TYPE IOTape type output“H”: Normal position 66TYPE IIOTape type output“H”: High position 67(TYPE IV)O 68 Not used (Fixed at “L”) 69 70 71SOLENOIDE

28、OPlunger (PM901) drive output“H”: On 72CAP.MOTOROCapstan/reel motor (M902) drive output“H”: On 73VCCPower supply (+5V) 74VEEGround 75AVSSGround for A/D converter 76VREFReference voltage (+5V) for A/D converter 77HALFICassette half detection input from S905 78AMS INIAMS input 79LIMIT SWILoading detec

29、tion input from S901Open: “L”, Close: “M”, COM: “H” 80PULSEIRotary detection input from PH901 Voltage Input port 0 V0.45 V1.19 V2.19 V3.2 V3.98 V4.48 V5.0 V Pin 4, KEY-X Open/CloseSTOPPAUSEFWDREVCD Not key input SYNC Pin 3, KEY-Y POWERREWFFRECDIRECTION DIRECTION ON/OFF0)rAa *1 Key Input *2 Loading M

30、otor INOUT CLOSE !HL OPEN !LH 17 NOTE: -XX and -X mean standardized parts, so they may have some difference from the original one. Color Indication of Appearance Parts Example: KNOB, BALANCE (WHITE) . . . (RED) Parts ColorCabinets Color Abbreviation G: GermanEA: Saudi Arabia MY: MalaysiaSP: Singapor

31、e HK: Hong KongJE: Tourist The 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 they are seldom required for routine service. Some delay should be anticipated when ordering these it

32、ems. The mechanical parts with no reference num- ber in the exploded views are not supplied. Hardware (# mark) list and accessories and packing materials are given in the last of the electrical parts list. SECTION 6 EXPLODED VIEWS (1) CASE, FRONT PANEL SECTION 8 7 7 #1 #1 6 6 not supplied 9 10 #1 1

33、2 3 Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 1X-3372-569-2 PANEL ASSY, FRONT 34-962-708-01 EMBLEM (4-A), SONY 43-938-526-01 PANEL, LOADING 51-769-974-11 WIRE (FLAT TYPE) (13 CORE) 64-951-620-01 SCREW (2.6X8), +BVTP 73-363-099-01 SCREW (CASE 3 TP2) 83-938-535-11 CASE 9A-2007

34、-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) 4 5 18 JE AEP, G, EA, MY, SP, HK EA, MY, SP UK HK 62 56 63 56 56 64 53 #1 not supplied TCM-9700HLD #1 #1 57 58 59 61 T901 60#2 not supplied not supplied not supplied 52 51 #

35、1 not 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), +BVTP 554-956-370-02 BA

36、ND, 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

37、 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 BOARD 604-965-822-01 FOOT 611-769-905-11 WIRE (FLAT TYPE) (9 CORE) !621-569-007-11 ADAPTOR, CONV

38、ERSION 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 fo

39、r safety. Replace only with part number speci- fied. #1 55 19 (3) MECHANISM DECK SECTION-1 (TCM-9700HLD) not supplied 103 104 105 106 107 108109 106 110 111 101 102 #4 #3 S901 Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 101A-2004-430-A TRAY (A) ASSY 102A-2004-429-A CLAMP (B) A

40、SSY 1033-917-502-01 SCREW (2X8), +BTT 1043-917-501-01 SPRING, TOGGLE 1053-917-498-01 SCREW (2.6X6), +BTT 1063-917-497-01 SCREW (2.6X5), +BTT 1073-917-499-01 BELT 108X-3369-090-1 GEAR ASSY 1093-918-629-01 SPRING (A), COMPRESSION 1103-918-630-01 WASHER, FLAT 1113-917-496-01 CHASSIS (MAIN) S9011-571-30

41、0-21 SWITCH, ROTARY M901X-3369-091-1 MOTOR ASSY (LOADING) M901 20 (4) MECHANISM DECK SECTION-2 (TCM-9700HLD) 170 169168167 166 165 164 163 162 174 162 176 177 not supplied not supplied 178 155 180 181 not supplied not supplied 185 #5 186 PM901 #5 #6 151 152 153 #6 #6 not supplied 154 not supplied no

42、t supplied 158 159 155 157 156 155 160 161 HRPE901 Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 151A-2004-436-A GEAR ASSY, PLAY 1523-917-549-01 ARM, PLAY 1533-917-553-01 SPRING (PLAY ARM), TOGGLE 1543-917-566-01 SCREW (2X6), +PTT 1553-917-565-01 SCREW (2X4), +PTT 1563-917-558-0

43、1 WASHER, POLY-SLIDER 1573-917-561-01 WASHER, NYLON 1583-917-556-01 SPRING (P ROLLER ARM R),TOGGLE 159A-2004-434-A ARM (R) ASSY, P ROLLER 1603-917-533-01 SCREW (HEAD RVS) 1613-917-532-01 CLAMP, HEAD WIRE 1623-917-537-01 SPRING (TAPE GUIDE), COMPRESSION 1633-917-539-01 GUIDE (R), TAPE 1643-917-524-01

44、 SPRING (AZIMUTH) 1653-917-541-01 SCREW (2X5) 1663-917-531-01 SCREW (AZIMUTH) 1673-917-528-01 GEAR (RETURN) 1683-917-526-01 COLLAR 1693-917-536-01 SCREW (POWER LOCK) 1703-917-530-01 SPRING (RETURN), TOGGLE 1713-917-534-01 WASHER, POLY-SLIDER 1723-917-527-01 GEAR (ROTATION) 1733-917-540-01 WASHER, PO

45、LY-SLIDER 1743-917-538-01 GUIDE (L), TAPE 1763-917-529-01 GUIDE (CASSETTE) 177X-3369-095-1 PLATE ASSY, HEAD 178A-2004-435-A ARM (L) ASSY, P ROLLER 1793-917-557-01 SPRING (P ROLLER ARM L), TOGGLE 1803-917-562-01 WASHER, NYLON 1813-917-559-01 WASHER, POLY-SLIDER 1823-917-555-01 SPRING (HEAD CHASSIS H)

46、, TOGGLE 1833-917-554-01 SPRING (SHIFT H), TOGGLE 1843-917-550-01 ARM, SELECT 1853-917-547-01 LEVER, SHIFT 1863-917-568-01 WASHER, POLY-SLIDER HRPE9011-500-156-11 HEAD (RECORD/ PLAY/ EARTH) PM9013-917-560-01 SOLENOID, PLUNGER 155 165 173 172 171 179 183 184 182 21 (5) MECHANISM DECK SECTION-3 (TCM-9

47、700HLD) 217218210 211 212 213 214 213 215 216 not supplied M902 219 not supplied #5 #5 #7223 222 221 220 225 228 230 229 227 226 231 221 232 233 220 234 236 235 237 #6 not supplied 202 203 not supplied 204 205 206 203 207 208 209 215 208 Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRe

48、mark 2013-917-608-01 BELT (HK-3), DRIVE 202X-3369-099-1 CLUTCH (HK) ASSY 2033-917-599-01 WASHER, POLY-SLIDER 204X-3369-098-1 BASE (HK) ASSY, MECHANICAL 2053-917-580-01 SPRING (PACK KH) 2063-917-582-01 GEAR, REW 2073-917-581-01 GEAR, CLUTCH 2083-917-584-01 GEAR, FR 2093-917-583-01 ARM, FR 2103-917-58

49、7-01 BUSHING (B), REEL 2113-917-586-01 CAP (A), REEL 2123-917-594-01 SPRING (REEL C), COMPRESSION 2133-917-585-01 GEAR, REEL 2143-917-600-01 SEAL, REFLECT 2153-917-602-01 FELT, REEL 2163-917-589-01 GEAR, PLAY CAM 2173-917-590-01 ARM, TRIGGER 2183-917-597-01 SPRING (TRIGGER ARM), TENSION 2193-917-565-01 SCREW (2X4), +PTT 2203-917-604-01 WASHER, POLY-SLIDER 2213-701-437-11 WASHER 2223-917-623-01 CUSHION, MOTOR RUBBER 2233-917-622-01 WASHER (B), FLAT 2243-917-620-01 SCREW (MOTOR), STEP 22