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Summary of Contents for CX-270

Page 1: ...Mechanical adjustments and checks 0c cee eee eee eee eee nae 5 5 Electrical adjustments and checks 2 2 cee cee ee ee ee eee ee eee 6 Block diagram ws co wee ER Taw TAEDA ee ede eee basi Rccoekl10 2 Me...

Page 2: ...d Deviation 3 000Hz 45Hz Tape Speed Drift 45Hz Wow and Flutter Playback 0 10 WRMS Record Playback 0 25 RMS Pinch Roller Pressure 350g to 450g 12 302 to 15 902 Reel Torque Take up 45 to 60 g cm 0 6 to...

Page 3: ...s y REC PLAY AMPL PCB Ass y for General Export Models TA 016 DC Motor Ass y METER PCB Ass y Fig 2 1 Cassette Holder Ass y Supply Take up Reel Table Ass y Reel Table Ass y FL Peak Level Meter Erase Hea...

Page 4: ...CX 270 CX 210 3 CASE AND FRONT PANEL REMOVAL Disassemble in number order Fig 3 1...

Page 5: ...ch For fast forward and rewind torque checks 0 to 160 g cm 0 to 2 2 oz inch 7 Compact Cassette MTT 901 C 60 30m Tape Path Checker MTT 902 C 90 45m Thrust play I 0 05mm to 0 10mm TA I0 19 4 3 TAPE SPEE...

Page 6: ...equency response check for EQ Co CrO MTT 216 For playback response check for EQ NORMAL MTT 506 or similar For record test with BIAS EQ Co Cr0 Fidt 2 EAC tom tapes MTT 501 or similar For record test wi...

Page 7: ...tape R13 R23 or O dB on peak fevel rae ey Pieter weeue eate tay i Reference 315Hz 40Hz 2 4dB 4 Frequency MTT 316 tape 63Hz 2 2dB If 10kHz output is low response 40Hz to 10kHz 2kHz 2 2dB adjust by cut...

Page 8: ...ITEM CONNECTION 1 Bias trap 2 Record bias 3 Record level Test tone 400Hz 9 dB IMPORTANT After this do not move RECORD cont for all later process 3 VU 1VU on VU O dB 1 dB on peak level meter e Set PEAK...

Page 9: ...ly Set deck in record mode Find differences between 1kHz recorded portion L ch and no signal portion R ch Adjacent track cross talk Fig 5 3 connect OSC ATT to LINE IN R only and AC voltmeter to OUTPUT...

Page 10: ...GN NA ALE Noe eee jauueyd 12 ay 0 Ajuo ayejas wesbeip ay ul UMOYs SON 44H SLON 220I wd ir x WWHON ols 7 WHUON aqsoo3u QvaH asvua eol2I 9 errs 2s0 03 zy 2049 09 C i ols 6 3NI7 sols oIW inani 238 AV Id...

Page 11: ...1 w AGLL O P 0 3LON me 09 os Ob of QV3H AV1d 9 34 IVWHON QPS 2l Ps ol 2029 0 9 YOLINOW OL NOILO3S DNIGHUODSY au0 Aqjog ade 38a OGL LLW unm yaeqgAeld Bulunp sanjea smoys wesbeip ayy ut uanifi jana yoez...

Page 12: ...to the well of the fly wheel bearing Flywheel Ass y OIL GREASE Fig 8 1 8 2 VOLTAGE SELECTOR SETTING PROCEDURE FOR GENERAL EXPORT MODELS Always disconnect the power line cord before making these setti...

Page 13: ...r W BLK 910x4 2xt0 5 a eee 6 wh ps l 2 Fiber W BLK PIOxP4 2x105 2 M4x6 Round Washer Head Cup BLK Parts marked with require longer delivery time than regular parts DESCRIPTION REMARKS Cover Top Cushion...

Page 14: ...CX 270 CX 210 EXPLODED VIEW 2...

Page 15: ...e Assy Head Base 2 20 5524120000 Spring Head 2 21 5569615000 Head REC PLAY 2 22 5569601000 Head Erase 2 23 5581062000 Clamper Cord E 2 24 5520349000 Spring Safety Lever 2 25 5555081100 Lever Safety C...

Page 16: ...CX 270 CX 210 EXPLODED VIEW 3 PTT M2 6x5 2 E W 3x95 5x10 25 i_ 1 3x910 ae a a 4 W 04x08 x10 25...

Page 17: ...524246000 5135005000 DESCRIPTION PCB Assy SW PCB SW Switch Slide 6PDT Bracket Switch Lever Slide Switch Plate Assy Thrust Spring Thrust Screw Thrust Flywheel Assy Capstan Belt Flywheel Washer Thrust H...

Page 18: ...CX 270 CX 210 EXPLODED VIEW 4 CX 270...

Page 19: ...Switch Power Switch Power Switch Power Spark Killer 0 033 mfd 120 ohm 125V AC Spark Killer 0 033 mfd 120 ohm 250V AC Spark Killer 0 047 mfd Spark Killer 0 01 mfd 300 ohm 400V AC Bracket Power Switch...

Page 20: ...CX 270 CX 210 20 EXPLODED VIEW 5 CX 210 f 210...

Page 21: ...Fuse 250 mAT 2 used Fuse 800 mAT Bracket PCB Chassis Bottom Clamper Cord A Foot Chassis Front Switch Power Switch Power Switch Power Switch Power Spark Killer 0 1 mfd 120 ohm 400V AC Spark Killer 0 03...

Page 22: ...ET ETT RATE Pass j P 1005 NS Wort RIGS I20 5W RI64 120 5W N98 70001 x ee Set csomns y PC Boards shown viewed from foil side REC PLAY AMPL PCB ASSY 10 PC BOARDS AND PARTS LIST Reta Ser yon enaanen OO t...

Page 23: ...CX 270 0X 210 METER PCB ASSY CX 270 1006 Pp 23...

Page 24: ...m R167 5184209000 2 2 0hm Non Flammable R102 R202 5181470000 330 ohm R168 5184429000 1200hm 5W Cement CX 270 R103 5181484000 1 2k ohm i R104 R204 5181454000 68 ohm CAPACITORS R105 R205 5181532000 120k...

Page 25: ...Y Sy Cof r02z CotCro2 12 508 NORMAL Osc UNIT s74B 100kHz 2mH RI50 220 reIne iW L 908 1 RI38 H 47k 0 os Q 1 ie MIC7LINE ormat noma sos Bias 4 ra a DIOI D104 Rech ae a 1SR34 200HM T i egnld a 29 5V 06 E...

Page 26: ...pee So eS SS SS pet Se NS SoS pee Oh PLAY e REC 5aB of 580mV 2 5 08 stoi roasca I al OUTPUT is este oe ms a Bpeiies a o DOLBY NR Q atot Gio2 103 1 2SCIB44F SSCOdSAK 2SC945AK 9 12 548 NORMAL RI39 RIS 1...

Page 27: ...Screw B Type Round Head Tapping Screw A Type Round Head Tapping Screw B Type Hex Socket Setscrew Flat Point Flat Countersunk Head Screw SETSCREW Hex Socket Setscrew Cup Point Oval Countersunk Head Sc...

Page 28: ...1111 Bile ies re Pare ee ey SS a ee eee eS eee TEAC CORPORATION OF AMERICA 7733 TELEGRAPH ROAD MONTEBELLO CALIFORNIA 90640 PHONE 213 726 0303 TEAC AUSTRALIA PTY LTD 165 167 GLADSTONE STREET SOUTH MEL...

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