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Teac A-X75

SM

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2K views17 pages

Teac A-X75

SM

Uploaded by

boroda2410
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF or read online on Scribd
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TEAC. SERVICE MANUAL A-X75 DC Integrated Stereo Amplifier NoTES 1, tn this manual, 0 4B is referenced to 1V. ‘Parts marked with this sign are safety cities! components. They must aways be relaced with identical components ~ refer to the appropiate pans lst and ensure exact replacements 3. PC boards shown ate viewed ftom fo side | X75 1 SPECIFICATIONS ‘Type DC incorated Stereo Ampttiee ated Outsur Fower (Both Channels, 8 ohms) BOW + BOW (11, 0.03% THD.) 75W+75W (20H: ~ 20kH, 0.05% T.H.D.) “otal Harmonic Dstorion (0.05% (20H2~204Hz, at 75W'+75W Output Power) Ouran Bandwicth \ THF, ~3e8, 1OH2~ S02 Frequency Response ‘TUNER, CD/AUX, TAPE 1, 2, t0 SP out SH 404i: +0, -268 PHONO to REC OUT, 20H2~ 2042+ 0.548 (RIAA) Irpt Sensiiny PHONO MC 0.224V/100 obs “PHONO Mit 2.2mV/47K ohms ‘TUNER, COVAUX, TAPE 1, 2, 115mV47k ohms Rated Out Voltge/impederce ‘TAPE REC 1.2. 100mV/87 obs 2 ADJUSTMENT LOCATION 4-1 DC BALANCE CHECK 1. Connect the DC voleter to SPEAKERS A ternal. 2. Depress POWER switch 1 ON, 3. Coafir the DC votimeter indication within OV + 20m. 1-2 IDLING CURRENT CHECK 1. Connect the DC votmeter berween P9 to P10 and P11 t0 P12. 2. Confirm the DC volumeter indication within 1SmV when POWER is ON ater 10 seconds, 3. ff the DC votumeterinicates over 25mV adjust the TVR 601 fot LEFT Channel or adjust the TVR 701 for FIGHT channel onthe MAIN PCB. 4. After the above procedures, alow 10 mines for the amplifier to warm up completely Signal10-Noise Ratio AF A Network, shor cicuitd PHONO Mc 6548 PHONO MM 7589 TUNER, COAUX: TAPE 1, 2, 9448 Tone Corto! Bass 21268, 10082 Mid 2608, thie Treble + 1268, 104d Low Filter 100H2, ~ 548, igh Fter 10cHe, — 648, ‘Muring ~2088 Power Recurements 100/1201220'240 V AC 50/60 Hz, 180W (General Export Mode!) 220 AC S0He, 400W fEwope Mode 240V AC SOHz, STOW (U.K JAUs. Model Dimensions (WxHxD) 435x120 295mm (17H" x4" x 11%) Weight 11.5kg (25.30) net + Improvements may resutin specification or feature changes without notice 1-3 REALY OPERATION CHECK 1. Apply 1 kHe/150mV (16.548) to the CDIAUX terminal, 2, Adjust the VOLUME control so that output Vokage is 10V at the SPEAKER terminal. 3. Shoreicuit the SPEAKER terminals between + and ~ so that he relay RY 1 break inmmeditely. SPEAKER SWITCH PCB PRK/5 SSS 3 VOLTAGE CONVERSION (FOR GENERAL EXPORT MODELS ONLY) AC VOLTAGE SELECTION his unit operates on 110 volts or 220 volts AC. fore connecting the power cord to your AC outlet, make sure that the setting position of this switch ‘matches your line vottage. If not, it must be set to Your voltage in accordance with the following direction. tov Slide the switch to LEFT position as drawing 2s below 220v Slide the switch to RIGHT position as drawing as. below 7 wou sevecton ec 3 VOLTAGE CONVERSION (FOR GENERAL EXPORT MODELS ONLY) AC VOLTAGE SELECTION ‘This unit operates on 110 volts or 220 volts AC. tov 220v fore connecting the power cord to your AC outlet, Slide the switch to Slide the switch to ‘make sure that the setting position of this switch LEFT position as RIGHT position as Matches your line voltage. If not, it must be set to drawing as below drawing as below ‘Your voltage in accordance with the following direction. AAC SELECTOR ce © A-X75 4 BLOCK DIAGRAM AeX75 4 BLOCK DIAGRAM semsnos oot PIN FUNCTION ca 1. AOUTPUT 2. AcINPUT 3. ACINPUT 4.V- 5. 8 + INPUT - 7. BOUTPUT a Bove ae | ue fh 6 EXPLODED VIEW A-X75 6 EXPLODED VIEW A-X75 A-X75 7 SCHEMATIC DIAGRAM yb rotten A-X75 7 SCHEMATIC DIAGRAM 8 EXPLODED VIEW PARTS LIST Tr yo. PANTS NO. 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