Teac A-1030, Service Manual

Page 1: ...HI SHINJUKU TOKYO TEAC HONGKONG LIMITED ROOM NO 1105 MAIN OFFICE MELBOURNE PLAZA 33 QUEE S ROAD C HONG KONG U S DISTRIBUTOR EAC CORPORATION OF AMERICA 7733 TELEGRAPH ROAD MONTEBELLO CALIFORNIA 0640 Us...

Page 2: ...to provide high performance convenience of operation and optimum tape handling capability the TEAC A 1030 is highly recommended for use with high quality audio systems This manual is designed to assis...

Page 3: ...speed hysteresis synchronous 0 20 at 7 1 2ips 0 25 at 3 3 4ips Wow and flutter measured according to weighted NAB standard using TEAC flutter free tape Approx 210 seconds or less for 1 200 feet Horizo...

Page 4: ...embly be sure to visually check the head alignment Pinch Roller Remove pinch roller retaining screw lift off pinch roller and pinch roller cover Pinch Roller Control Lever Remove two set screws from c...

Page 5: ...e the six screws holding head base Gently lift the head base away from main chassis NOTE Extreme care must be taken not to damage the mechanism or wiring when moving the head base CAPSTAN BELT Slide b...

Page 6: ...the idler assembly require that it be replaced as a unit To remove the idler assembly unsnap the E clips from each of the three retaining shafts Do not allow compressed spring on center retaining sha...

Page 7: ...in the play position with power applied Pull the spring scale away from the capstan shaft Note the reading on the spring scale at the instant the pinch i roller stops rotating the reading should be 1...

Page 8: ...ent Torque Adjustment BACK TENSION FAST WINDING Place the empty reel RE 702 and spring scale on left reel turntable as illustrated Place the control lever to fast forward mode Pull the spring scale in...

Page 9: ...the screw holding the brake spring retainer and move it backward or forward After brake torque adjustment the loosened screws must be re secured with LOCTITE i i 5 i TEAC RE 701 Torque Measurement Tor...

Page 10: ...thus main taining optimum overall tension If servo loop tension is ad justed the constant back ten sion must also be readjusted as a constant level of back tension is always applied to the supply ree...

Page 11: ...ode Loosen the two solenoid retaining screws Slide solenoid housing back or forth until plunger just bottoms in solenoid Make certain that roller fully engages the cam detent when sole noid plunger is...

Page 12: ...idth of heavy pencil line Record Section The record head pole should be above the edge of a threaded tape by the width of a thin pencil line PLAYBACK HEAD The pole of the playback head should be even...

Page 13: ...tape path components should be periodically cleaned using TEAC TZ 261 A B cleaning fluids Using a stiff cotton swab moistened with TZ 261 A head cleaning fluid thoroughly clean the head surfaces capst...

Page 14: ...E 1 demagnetizer bring the demagnetizer tip close to the head playback surfaces slowly move it up and down several times Gradually withdraw the demagnetizer tip from the head area turn off power to t...

Page 15: ...h screw unt obtained on the level meter Slowly rotate the azimu 4 Adjustment Fine CAUTION do not make large correct turn ions tment jus imuth screw 1 4 turn or After coarse ad Az less tment jus h the...

Page 16: ...ompleted VU METER CALIBRATION PLAYBACK 13 While playing the 400 Hz tone 1 THD in section 1 of the test tape adjust VR 102 202 for reading of 0 VU on the VU meter FREQUENCY RESPONSE 14 Play the test to...

Page 17: ...0Hz 1 0dB at 10kHz 3 3 4ips 1 0dB at 5SkHz SIGNAL TO NOISE RATIO IMPORTANT OUTPUT control should be at specified output level The values given are obtained using an unweighted level meter while the su...

Page 18: ...MIC controls fully counterclockwise to eliminate noise from MIC jacks or mic pream plifiers SPECIFIED INPUT LEVEL SET 6 Apply a 400 Hz signal at 8 dB to the LINE IN jacks 7 Turn the LINE controls for...

Page 19: ...type 203 tape Service data is based upon the use of Scotch 203 or equivalent tape BIAS TRAP ADJUSTMENT NOTE The bias trap tank circuit keeps the bias signal from reaching the record and monitor amplif...

Page 20: ...position then set the AF oscillator to 10 kHz Thread a record test tape on the unit and place it in the record mode Place the MONITOR switch in the TAPE position Adjust azimuth while recording the 10...

Page 21: ...k on the level meter Turn the capacitors clockwise until a decrease of 0 5 dB is ob tained WwW NORMAL position 5 Thread record test tape Scotch 150 on the unit 6 Place the bias switch to NORMAL and pl...

Page 22: ...ve 20 kHz the extra bias trap is not required 1 Adjust the AF oscillator to obtain an output level of 23 dB ap proximately 15 dB below specified output level at LINE OUT jacks 2 Place BIAS switch in H...

Page 23: ...l as indicated on the level meter should be 56 dB or less 3 3 4ips 53 dB or less NOTE Bias erase and playback amplifier noise are all included in this measurement All frequencies between 40 Hz and 15...

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Page 25: ...vailable through your nearest TEAC dealer or directly from the TEAC office Changes are constantly being made to make TEAC products better and more reliable Therefore when ordering parts always include...

Page 26: ...EXPLODED VIEW A 1300 TRIM PARTS 7 A Yilg o h AF an 4 VDI Ade ih Ws o gs if u y i i rs ae Y 5 Y G b AS M _ Bent Bh a A Y y a V fw y vA e...

Page 27: ...00 Screw Head Housing Plate 1 2 50135691 Head Housing Plate 1 3 E Ring 1 4 50130630 Head Assy 1 5 50140200 Pinch Roller Assy 1 6 50841540 Control Lever Assy 1 7 50113461 Panel Trim 1 8 50820091 Plate...

Page 28: ...EXPLODED VIEW A 1300 MAIN CHASSIS...

Page 29: ...Lever Brake Lever Spring Retainer Brake Actuator Lever C Servo Lever B Assy Collar Servo Brake Adjust Servo Lever A Assy Shoulder Washer A Brake Spring Spring B Servo Brake Shoulder Washer B Brake Spr...

Page 30: ...2 71 50823570 Felt Washer Capstan 2 72 50823580 Star Spring Metal 2 73 50820140 Capstan Metal 2 74 50840300 Metal Retainer 2 75 50823170 Screw Capstan 2 76 50820430 Rubber Cushion Motor 2 77 50840330...

Page 31: ...i 2 114 50841240 Control Cam B 2 115 50822711 Spring Take up Lever Pressure 2 116 50841200 Control Cam A 2 117 50840280 Flywheel Assy 2 118 50840310 Belt Capstan 2 119 50823610 Washer Capstan Thrust 2...

Page 32: ...0824300 50824310 50840400 50840430 50840440 PARTS NO TAKE UP PLILLEY 26x5 DESCRIPTION 2ND Spring Reel Cap Reel Cap Reel Sheet Take up Pulley Assy L Bearing Cover Reel Shaft Bearing Felt Washer Take up...

Page 33: ...1 50663430 50133900 50134130 PARTS NO HEAD ASSY DESCRIPTION Screw Head Housing plate Screw Cushion Head Housing Plate Head Housing Tape Guide A Spring D Head Mount Spring C Head Mount Head Mount Plate...

Page 34: ...EXPLODED VIEW A 1300 PREAMPLIFIER Oo vt 1m i to...

Page 35: ...Washer A Insulate Washer Fiber Meter Cushion Sheet SW Protector Push Button Square Power SW Shield Plate Mic Jack Mic 2 cond Insulate Washer B Chassis Assy Amp Potentiometer Dual 50KAx2 Lamp 8V VU Me...

Page 36: ......

Page 37: ...PC BOARD A 1300 PLAYBACK AMPLIFIER...

Page 38: ......

Page 39: ...ALL RESISTORS IN OHMS 10 TOLERANCE 1 4 WATTS AND FIXED CARBON FILM TYPE UNLESS OTHERWISE NOTED R101 201 50515610 56k R102 202 50515710 330k R103 203 50515650 120k R104 204 50515570 33k R105 205 50515...

Page 40: ...04 C105 205 C106 206 C107 207 C108 208 C109 209 C110 210 C111 211 C112 212 C113 213 C114 214 C115 215 C116 216 C117 217 C118 218 C119 219 C120 220 C121 221 C122 222 C501 C502 503 50554050 50554820 505...

Page 41: ...S 50423880 2SC971 YBL RESISTORS 50515150 Carbon 33 ohm 1 4W 50515220 Carbon 100 ohm 1 4W 50515380 Carbon 2 2k ohm 1 4W 50527070 Metal Oxide Film 33 ohm 1W CAPACITORS 50554180 Elec 10uF 25V 50548040 My...

Page 42: ...PC BOARD A 1300 RECORD AMPLIFIER...

Page 43: ...308 408 50543420 C309 409 50554820 C310 410 50549650 C311 411 50548770 C312 412 50543550 C313 413 50554940 C314 414 50548920 C315 415 50554050 C316 416 50554940 C317 417 50554050 C318 418 50549000 C31...

Page 44: ...Assy Rec Amp 50489540 Pc Board Rec Amp SILICON TRANSISTORS 50423770 2SC644 T 50423770 28C644 T 50424230 28C 828 T 50423620 2SC828 R 50424220 28C828 s 50424230 2SC828 T COIL 50566540 1 6mH Rec Compensa...

Page 45: ...Adjust 50489501 PC Board Bias Adjust L501 502 50566300 Coil 3mH Bias Trap L503 50566300 Coil 3mH Dummy Load 501 50444350 SW Slide Speed Selector 502 503 50444360 SW Slide Rec Selector PC101 103 505470...

Page 46: ...S L9a7aS 3aaS Toss NOLLISOd NOTLdT 9S3d ON HOLIMS NOLLISOd NoilaTHosad ON HOLINS 1 978982 son soed 478 828982 soz sotd 90 7a toca 40r 70d 1 8za9sz 702 020 To 9z08Ts Tolas 1 878982 0r E0Ed 1 799982 0z...