Mini Cassette Recorder TRC-3640 (XE)

Transcription

1 -. FILE NO. I Service Manual Mini Cassette Recorder TRC-3640 (XE) L Specifications PRODUCT CODE No Recording system Erasing system Tape speed (at tape start begin) Fast forward time Rewind time Wow&flutter Cue Tone Signal Warning Tone Signal DC bias, 1/2 track Frequency response.... Magnet S/N ratio cmlsec. f 5 Io Output power sec. (with MC-40N) Power source sec. (with MC-40N ) Terminals /o RMS 150 Hz Dimensions khz Weight ,000 Hz db 200 mw (Max. music power) DC :3 V, ( 2 size AA batteries ) Earphone jack :8 ohm Ext. DC jack 66 (W)x 135 (H)x 29 (D) mm Approx. 185 g (without batteries) Specifications subject to change without notice. REFERENCE No. SM580442

2 REMOVAL AND lnstallation GENERAL REMARKS -.. Allwiring should bereturned totheoriginal position after work is completed.. Before adjusting the mechanism of this unit, wipe the tape contacting surfaces clean as well as the contacting surfaces of the driving parts with a cotton swab or a soft cloth soaked in alcohol. Trouble may occur because of oil and grease stains.. Handle the belt carefully because grease easily attaches to it. Then check the used rubber parts. If the rubber has deteriorated or is scratched, replace the parts with new one. a. REAR CABINET ( WHITE- BLUEb. AMP. P. W. BOARD & MECHANISM 9 c. TOP LID d) d. WIRING LAYOUT Arrange the wiring as shown in the figure. RED -BLACKANGE MIC ) t.. Gf GF ijehead EAD GRAY HEAD LEAD 1 I.. H L -J -1-

3 ADJUSTMENTS Measuring instructions, tools (6) TEST TAPE, HEAD AZIMUTH (7) TEST TAPE, MOTOR SPEED (1) AF VTVM Using tape : Mini-cassette tape of Using tape : Mini-cassette tape of (2) (3) (4) (5) FREQUENCY COUNTER 18 pthick( A-BEX SSC-1584, etc.) 18,Uthick( A-BEX SSC-1 582, etc.) OSCILLOSCOPE Recording signal :4 khz Frequency of Recorded Linear Sweep DC POWER SUPPLY ; 3.0 V Recording Lebel :-10 db Singal :4,575-3,925 Hz DUMMY LOAD, 4 ohms Recording Tape speed :4.75 cm fsec. Recording Lebel :-10 db Recording Time :84.5 sec Recording Tape speed :4.75 cm/sec. a. HEAD REPLACEMENT AND AZIMUTH ADJUSTMENT (a) Head replacement After replacement, demagnetize the heads by using a head eraser. Be sure to clean the heads before attempting to make any adjustments. E. HEAD R/P HEAD (b) Head azimuth adjustment (1) Load the test tape (A-BEX SSC-1 584,, etc. ) for azimuth adjustment. (2) Playback the test tape.. (3) Use a cross-tip ( + ) screwdriver to turn the screw for azimuth adjustment so that the outputs maximized. (4) After completion of the adjustment, use thread lock (TB B) to secure the azimuth adjustment screw. HEAD AZIMUTH ADJ b. MOTOR SPEED ADJUSTMENT (1) Load the test tape (A-BEX SSC-I 582,, etc.). (2) Playback the test tape.. (3) Use a cross-tip ( - ) screwdriver to turn the P501 to adjust so that the frequency counter becomes 3,000 Hz. c. CHUCKING THE MECHANISM TORQUE (1) Playback mode.... more than 40 g-cm (2) Fast Forward mode. more than 45 g-cm (3) Rewind mode more than 40 g-cm PARTS LIST CAUTION: Regular type resistors and capacitors are not listed. To know those values, refer to the schematic diagram. PACKING ~ & ACCESSORIES Description CARTONCASE PAO,STYROFOAM PAD,PLAIN, UNIT POLY COVER. POLY COVER INSTRUCTION MANUAL -2-

4 EXPLODED VIEW ( CABINET & CHASSIS 62 6@J o 8 4<! y06 / LYO1 w -3-

5 PARTS LIST b CABINET & CHASSIS Ref. No FIXING Ref. Yol Y02 Y03 Y04 Y05 Y06 Y07 Y08 Y09 Ylo No. ELECTRICAL \RTS Part No Part No PARTS Description ASSY,LID,CASSETTE PIN SPRING 1,6X18MM STOPPER,LID CASSETTE SPRING LID CASSETTE CABINET,ASSY,WITH BRACKET-M,SPRING HOLDER,MICROPHONE SHEET CUSHION CUSHION KNOB VOLUME WASHER SPRING 2MM SPRING EARTH ASSY,CABINET,BOTTOM LID,BATTERY Description SCREW1.7X5MM SPECIAL SCREW SCREW,2X4MM SCREW 1.7X3MM SCREW TP SCREW M1.7X3.5MM TP SCREW M1.7X3.5MM SCREW 1.7X5MM SCREW 1.7X5MM SCR PAN PCS 1.4X1.6MM Ref. No. Part No. Description ] MICROPHONE AMP P.W.BOARD ASSY Ref. No. 61 Clol C102 IC101 J2 J3 P501 Q101 SI S3 S5 VR101 Part LED P.W.BOARD No Description SPEAKER ASSY,PWB,AMP MT-COMPO 0.033U J 50V MT-COMPO 0.033U J 50V IC LA4165M lp,jack,earphone EXT POWERSOCKET VR,SEMI 3K N TR DTA114YS SWITCH,SLIDE,2K-4P-2T, RECORD/PLAY CONTACTSWITCH,FF/REW SPRING,PLATE ROTARYVOLUMEC 20K Ref. No. Part No. Description PCB,LED D LED SLP-135B SHEET IECHANISM (TM-T3640-sH} _... Ref. No. Part No. Description RING E 1.2MM WASHER, 1.6X3.5X0.2MM REEL SUPPLY WASHER, 1.6X4X0.13MM REEL TAKE UP ASSY WASHER, 1.7X4X0.25MM SPRING BRAKE PLATE BRAKE SPRING,TENS SPRING RING E 1.5MM PLATE SLIDE ASSY,MOTOR,3V,0.3W CUSHION MOTOR L ASSY,CHASSIS SPACER L SCREW, 1,7X4MM [ ARM COMPL RING E 1.2MM ELT DRIVE [ RING E 1.5MM ~ PLATE LOCK RECORD SPRING RING E 1.5MM LEVER RECORD ASSY RING E 2MM RING E 1.5MM [ RING E 2.5MM PLATE LOCK ASSY SPRING SCREW,2X2MM ~ LUG L SCR PAN PCS 1.4X3MM L LEAF SWITCH,POWER,S1 L SPRING SLIDE ~ RING E 1.5MM [ SPRING [ ERASE HEAD,HD-2 L RING E 1.2MM L RING E 1.5MM L LEVER ERASE HEAD ~ WASHER, 1.6X4X0.13MM L GEAR IDLER WASHER, SPRING AZIMUTH WASHER F 2X4.3X0.4MM, R/P HEAD HEAD,R/P,2T,HD-l SCREW,2X3MM ORDERSCREW SHEET,MOTORMTG CUSHION,MECHANISMCHASSIS MTG SHEET,INSULATOR, CHASSIS MTG. 4-

6 EXPLODED VIEW ( MECHANISM ) c!!!) 1044 c!b Q$% & =( 1 y \ -109 ~ 153,,,~ N e,51i!:$ /~63 */ %:~ 2 --./ 9 -Q -113 w _ &-137 \ W 101 1o3- A

7 I I I I u m:1 %$s. PUY (v).qec (VJ I m I -4 % ~. HOI-1 RIP HEAD HO -! ERASE HEAO X-J R/PP I LA4165 /.5 /.5 _. <,.5 /.5 /.5 /.5, p TL!fqj3ti +$V&--- RI 5 7.!%( lck T T ~ O /5 /. /9 Z. 67 Q--L 00.?.0 /.8 o /.o 0. /, 7 z 3.0 /. 8-7 ALC ~Ed2JAcK END SNSCR - (w% r%1.4% I * D%Ol l 4YS z T 47K z i -, SWITCHES Slool I POWER 1s1 I REVPLAYSW I PLAY I

8 WIRING DIAGRAM...,-- EARPHONE JACK -1% J2 VOLUME HD2-1 E. HEAD c v U s* o Feb KMl Printed in Japan. -7- SANYO Electric Co., Ltd. d Osaka, Japan