Teac MC-D90 Service Manual

Manual is about: CD/TUNER/AMPLIFIER

Summary of MC-D90

  • Page 1

    Cd/tuner/amplifier mc-d90 notes pc boards shown are viewed from parts side. The parts with no reference number or parts number in the exploded views are not supplied. As regards the resistors and capacitors, refer to the circuit diagrams contained in this manual. Parts marked with this sigh are crit...

  • Page 2: Specifications

    Service manual 2 specifications amp section output power : 20 w/ch (0.5%, 6 ohms, 1 khz) input sensitivity : 200 mv frequency response : 20 hz to 40,000 hz general power consumption : 60 w power requirements : 120 v, 60 hz [us] 230 v, 50 hz [eur] dimensions (w x h x d) : 175 x 140 x 360 mm weight (n...

  • Page 3

    Service manual 3 pin no. Name i/o description vdd hreq slqclk slqin slqout data clock stereo in tuned hpin protector key matrix vss varef back up x-tal x in x out reset remote in bus in bus out speaker ce data out clock data in clock data power mute vfl grid segment cd power on/stby led tape ‘h’ md ...

  • Page 4

    Service manual 4 pin no. Name i/o description vdd bus 0 bus 1 bus 2 bus 3 buck cce cdre mute sio clock sio out sio in hreq vss x in x out reset a b c d dsp power un clamp sw t.U height sw holder mode sw t.U height sw holder height sw load/clamp open sw close/hp sw disc on sw disc center sw ic 66 pin...

  • Page 5

    Service manual 5 pin assignments (top view) pin block diagram.

  • Page 6

    Service manual 6 ic11 (tuner) la1836m block diagram tda7318d ic23(input) lc4966.

  • Page 7

    Service manual 7 alignment instructions equipment needed: am signal generator fm signal generator oscilloscope vtvm(ac, dc) test loop antenna (aw adjustment) dummy antenna (fm adjustment) stereo signal modulator frequency counter distortion analyser important 1. Check power-source voltage. 2. Set th...

  • Page 8: Measurements and Adjustments

    Service manual 8 measurements and adjustments 1. Fm, am tracking voltage adjustments (fm, am) dc voltmeter ........................... Connect to test point tp1 and gnd no. Band frequency adjust for adjustment 1 fm 87.50mhz 1.5v l7 2 am 530khz 1v t404 2. Am rf adjustment signal generator ..............

  • Page 9

    Service manual 9 4. Fm mono distortion adjustment dc volt meter ........................Connect to tp1(-), tp2(+) through the choke coll (100 h) signal generator........................Connect to fm ant jack (fm in) through the dummy. Distortion meter .........................Connect to the output. ...

  • Page 10: Ta2092N (Power Driver)

    Service manual 10 pin no. Name description pw gnd out (-) 1 pv cc1 out (+) 1 v in1 v ri v ci v in2 out (+) 2 pv cc2 out (-) 2 pw gnd pw gnd out (-) 3 pv cc3 out (+) 3 v in3 s gnd s v cc v in4 out (+) 4 p vcc4 out (-) 4 pw gnd ta2092n (power driver) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ...

  • Page 11: Ta2109F (Rf/digital Servor)

    Service manual 11 ta2109f (rf/digital servor) pin no. Name i/o description remark vcc fni fpi tpi tni mdi ldo sel teb 2vro ten teo sbad feo fen vro rfrp rfis rfgo rfgc agci rfo gnd rfn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 power supply input terminal main beam i-v amp input ...

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    Service manual 12.

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    Service manual 13.

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    Service manual 14.

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    Service manual 15.

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    Service manual 16.

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    Service manual 17 18.

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    19 20

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    21 22.

  • Page 20

    23 24 schematic diagram.

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    25 26.

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    27 28 printed circuit boards.

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    29 30

  • Page 24

    Service manual 31 32.

  • Page 25

    Service manual service manual 33 34 included accessories ref. No. Parts no. Description remarks 9a08561000 speaker ass'y ls-h90a 9a01397000 antenna terminal t-60 ksa267 9a07871200 remocon transmitter ass'y cartcr-h100tccc 9a08523100 owner's mnl,t/c mc-d90 cqx1a614z 9a08046100 adaptor,75-300 (ntsc) k...

  • Page 26

    35 36 7 1 2 3 5 4 9 8 6 19 15 18 17 16 14 11 10 13 12 23 24 35 22 20 26 25 21 31 9 25-1 8 27 28 29 34 30 32 33 s4 x3 s1 s1 x2 x2 x4 s3 x8 x2 s10 s12 s2 x4 s7 x2 s12 x4 s3 s12 x6 x3 s11 s9 x2 x2 s6 s7 x4 x3 s5 s8 s13 x4 s1 x2 x2 s11 x8 s7 exploded view mc-d90tc.

  • Page 27

    Service manual 37 exploded view-2 ref. No. Parts no. Description remarks 2- 1 9a08563000 volume knob ass’y kgk2a056ya 2- 2 9a08563100 ornamet, volume kgr1a202mbc22 2- 3 9a08563200 spring, door kus1a118 2- 4 9a08562500 ornament, door cgr1a203m7zk101 2- 5 9a08562600 window cgu1a240 2- 6 9a08562300 orn...

  • Page 28

    Service manual 38.

  • Page 29

    Service manual 39 main pcb ass’y ref. No. Parts no. Description remarks 9a08215500 main pcb ass’y tca cop11318b 9a08217300 main pcb cup11318y c 124 9a07886400 cap, styrole hcqs1h471jz c 127 9a01405900 c, variable 20pf a020s12 kcra020s12 c 129 9a07882400 cap, elect 100uf/16v hcea1ch101t c 139 9a07882...

  • Page 30

    Service manual 40 main pcb ass’y ref. No. Parts no. Description remarks jk21 9a07872700 terminal, in/out cjj4r012z jk22 9a07889600 jack , pin board kjj4r018z jw21 9a06867500 wire , ass’y kwzah300jw74 jw51 9a07295100 wire asss’y kwzaav1100w801 l 130 9a07886600 coil , axail 10uh hlq02c100kt q 101 9a07...

  • Page 31

    Service manual 41 main pcb ass’y ref. No. Parts no. Description remarks t 901 9a07873400 trans, power(main) clt5p037zu tf01 9a08215300 pack , front end cnvkstf401va3 tw91 9a06674400 wafer, 7.92mm (yunho) kjp02ka060zy vr11 9a05940500 r, semi fixed evndjaa03b53 bvn1pa502b01t vr12 9a08040700 res, semi ...

  • Page 32

    Service manual 42 cd pcb ass’y ref. No. Parts no. Description remarks 9a08563300 cd pcb ass’y cop11381b 9a08564000 cd pcb cup11381z bn66 9a08222000 wire ass’y kwdb015150ew bn67 9a08222200 wire ass’y kwzcr130bn67 cn61 9a08220300 wafer , card cable (strai) kjp16ga117zg cn62 9a08220400 wafer, card cabl...