Yamaha KX-E100 Service Manual

Other manuals for KX-E100: Owner's Manual
Manual is about: STEREO CASSETTE DECK

Summary of KX-E100

  • Page 1

    Counter reset mode rec/ pause rec level direction min max dolby nr natural sound stereo cassette deck kx-e100 standby/on p.O.Box 1, hamamatsu, japan service manual stereo cassette deck kx-e100 1 0 0 6 8 7 ■ contents to service personnel .......................................... 1 specifications ......

  • Page 2

    Kx-e100 wall outlet equipment under test ac leakage tester or equivalent insulating table 1 ■ to service personnel critical components information. Components having special characteristics are marked and must be replaced with parts having specifications equal to those originally installed. Warning:...

  • Page 3

    Kx-e100 1 2 3 4 5 217(8-9/16") 80(3-1/8") 8(5/16") 88(3-7/16") 275(10-13/16") 7 (1/4") 11(7/16") unit : mm (inch) 293(11-9/16") 2 ■ internal view 1 main p.C.B. (4) 2 cassette mechanism unit 3 main p.C.B. (1) 4 main p.C.B. (2) 5 main p.C.B. (3) ■ dimensions.

  • Page 4

    Kx-e100 3 ■ rear panels ▼ u, c models ▼ r model ▼ a model ▼ b, g models.

  • Page 5

    Kx-e100 1 3 4 3 5 5 1 2 cassette mechanism unit hook front panel hook top cover cb201 cb209 4 ■ disassembly procedures remove parts in disassembly order as numbered. 1. Removal of top cover a. Remove 4 screws ( 1 ) and 4 screws ( 2 ) in fig. 1. B. Lift the top cover at the rear and move it rear-ward...

  • Page 6

    Kx-e100 8 9 9 hook relay p.C.B. Hook pinch roller (r) pinch roller (l) head ass'y 6 6 6 6 7 7 cb3 cb2 cb1 f/r belt main belt main motor hook 5 6. Removal of pinch roller detach the hook and then remove the pinch roller in fig. 4. 7. Removal of head ass’y a. Remove 1 screw ( 8 ) and then remove the r...

  • Page 7

    Kx-e100 6 1. Before adjustment ● since head magnetization, dust accumulations, etc. Are likely to introduce error in the various characteristics, it is very important that the heads are properly demagnetized and cleaned. ● make adjustments of mechanical system, playback system and recording system i...

  • Page 8

    Kx-e100 vr101 vr103 l l l r r r vr104 vr203 vr204 vr201 vr202 main (1) main (2) tape speed adj. Playback level adj. Recording level & bias adj. Recording level & bias adj. Azimuth adjustment screw. (reverse) azimuth adjustment screw. (forward) ok rec out l : ch 1 rec out r : ch 2 dc input, x-y (resu...

  • Page 9

    Kx-e100 8 item to be adjusted check each torque check ff, rew take up time azimth tape speed wow/ flutter tape ct-160l (ff, rew) tw-2111a (fwd) tw-2121a (rvs) ac-514 (c-60) mtt-114n 10khz, –10db mtt-111n 3khz, –10db mtt-111n 3khz, –10db step 1 2 3 4 5 mode ff rew play ff rew play play play rating ff...

  • Page 10

    Kx-e100 ± 4db ± 4db 1k ± 3db ± 3db 3k 10khz 315 250 50 12.5khz fig. D 9 ● total frequency response ( – 20 dbv) dolby nr off / b on / c on type i (normal) / type ii (high) / type iv (metal) rating adjust for equal record and playback levels. (– 25 dbv ± 0.3 dbv) adjust for equal record and playback l...

  • Page 11

    Kx-e100 pattern area 1 10 18 31 ● vo301 : bj707gnk (v358690) ● pin connection ● grid assignment ● anode connection pin no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 f1 f1 np p1 p2 p3 p4 p5 p6 p7 nx nx nx nx nx nx nx 1g 2g 3g 4g 5g 6g 7g 8g 9g 10g 11g np f2 f...

  • Page 12

    Kx-e100 a-d convert (10 bit x 12 ch) serial i/o serial i/o 2 (clock synchronization/uart) serial i/o 1 (clock synchronization) (256 byte automatic transmission) buzzer output watch dog timer port p0 (8) 8 rom ram interrupt controller lcd display 40 control terminals (36 register port) pwm1 (8 bit) p...

  • Page 13

    Kx-e100 e-12/j-10 pin no. Port i/o in out resistor 1 p75/an5 i mecha sw1 ad(play, half) pu 2 p74/an4 i loading sw ad(in,out) pu 3 p73/an3 i meter l ad(-30 – +6) 4 p72/an2 i meter r ad(-30 – +6) 5 p71/an1 i operation 2 ad(ff,rew,rec,cou,ej) pu 6 p70/an0 i operation 1 ad(st,pl,dir,dol,mod) pu 7 p61/cn...

  • Page 14

    Kx-e100 t401 po wer on (q115, 116) filament po wer on t ape select or (q108,109) po wer on po wer suppl y ic103 ic104 q117 q120 -22v vu5 +12v va fl displa y m m main mo t o r solenoid lo ading mo t o r cassette mecha lo ading unit dolby b/c nr (ic203) opera tion switch (sw301~311) µ com ic205 lo adi...

  • Page 15

    A b c d e f g h i j 1 2 3 4 5 6 7 kx-e100 in out system connect or point 1 (both end of c105) rec mode v : 20v/div h : 5 sec/div dc range 10 : 1 prove point 2 (ch1 : pin 10 of ic205, ch2 : out of ic103) v : ch1=2v/div, ch2=5v/div h : 0.5 sec/div dc range 1 : 1 prove 0v 0v ch1 ch2 ac power on ac powe...

  • Page 16

    A b c d e f g h i j 1 2 3 4 5 7 kx-e100 6 ● semiconductor location ref. No. Location d101 c2 d102 b3 d103 f4 d104 e3 d105 f3 d106 f3 d107 f4 d109 f2 d110 g3 d111 f4 d112 f3 d113 g4 d114 g4 d119 g2 br be br be re re f2 f1 ac 6 ac 5 ac 4 ac 3 to : main (1) e-16/j-14 ■ printed circuit board p.C.B. Main...

  • Page 17

    A b c d e f g h i j 1 2 3 4 5 6 7 kx-e100 2 3 point 2 (ch1 : pin 10 of ic205, ch2 : out of ic103) v : ch1=2v/div, ch2=5v/div h : 0.5 sec/div dc range 1 : 1 prove point 3 (pin 15 of ic205) v : 2v/div h : 0.1 sec/div dc range 1 : 1 prove ch1 ch2 0v 0v ● semiconductor location ref. No. Location d201 d5...

  • Page 18

    A b c d e f g h i j 1 2 3 4 5 7 kx-e100 6 rec/ pause dolby nr rec level direction standby/on counter reset mode from : main (2) gu ope2 ope1 psw d1 1 d10 d9 d8 d7 d6 d5 d4 gu d3 d2 d1 s7 s6 s5 s4 s3 s2 s1 f1 f2 to/from : main (2) lir dir ga dil lil 1 31 e-20/j-18 ■ printed circuit board p.C.B. Main ...

  • Page 19

    A 1 2 3 4 5 6 7 8 9 10 11 b c d e f g h i j k l m n kx-e100 bce b c e pin connection diagram of transistors, diodes and ics. 2sd2394 2sb1237 2sd1858 dtc114es dtc144es 2sc1740s 2sd1915f 2sa933s dtc143xs 2sb1237 µpc1330ha all diodes anode cathode 1 9 ba6138 1 9 lb1641 cxa1560s njm7812fa an78n05 m38b57...

  • Page 20: Parts List

    Kx-e100 23 ■ warning components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally in- stalled. ● carbon resistors (1/6w or 1/4w) are not included in the electrical parts list. For the parts no. Of the carbon resistors, refer t...

  • Page 21

    Kx-e100 24 % v4228600 p.C.B. Si:main(uc) % v4228700 p.C.B. Si:main(r) % v4228800 p.C.B. Si:main(a) % v4228900 p.C.B. Si:main(bg) * cb101 vq963100 cn.Bs.Pin 10p * cb102 vq963100 cn.Bs.Pin 10p * cb104 vq963100 cn.Bs.Pin 10p cb105 vb390200 cn.Bs.Pin 6p cb107 vk024900 cn.Bs.Pin 5p cb201 vb390100 cn.Bs.P...

  • Page 22

    Kx-e100 25 d206 vt332900 diode 1ss355 d207 vt332900 diode 1ss355 d208 vt332900 diode 1ss355 d209 vt332900 diode 1ss355 * fi201 v3733300 fltr.Lc.Mp fxd221a105 23khz * fi202 v3733300 fltr.Lc.Mp fxd221a105 23khz fi203 ge900780 coil.Bias 105khz fi204 ge900780 coil.Bias 105khz hs101 vr506800 heat.Sink pu...

  • Page 23

    Kx-e100 26 schm ref. Part no. Description ✻ new parts schm ref. Part no. Description ✻ new parts rd257200 r.Car.Chp 20k 1/10w rd257220 r.Car.Chp 22k 1/10w rd257240 r.Car.Chp 24k 1/10w rd257270 r.Car.Chp 27k 1/10w rd257330 r.Car.Chp 33k 1/10w rd257390 r.Car.Chp 39k 1/10w rd257430 r.Car.Chp 43k 1/10w ...

  • Page 24

    A b c d e f g h i j 1 2 3 4 5 6 7 kx-e100 120 110 110 121 103 140 146 103 143 12 11 3 (5) (4) 150 142 150 101 122 3 148 148 142 145 102 151 104 145 145 121 (2) (1) 3 3 142 142 106 6 149 149 3 1-31 1-22 1-23 1-23 1-30 1-31 1-11 1-30 1-24 (3) 113 142 1-21 r version 7 5 7 28 ■ exploded view ■ mechanica...

  • Page 25

    A b c d e f g h i j 1 2 3 4 5 7 kx-e100 6 29 ■ exploded view (loading mechanism) ■ exploded view (cassette deck mechanism) * aax07660 loading unit f511630 * 3 aax07480 holder cst block f527078 * 4 aax07460 mtr reel block f564313 * 5-1 aax07510 switch ue15s14 * 6-1 aax07520 switch ue18p21 * 15 aax075...

  • Page 26

    Kx-e100 10mm hj35 1/4w type 5mm hf85 1/6w type hf45 1/4w type value 1/4w type part no. 1/6w type part no. 10 k Ω hf45 7100 hf45 7100 11 k Ω hf45 7110 hf45 7110 12 k Ω hj35 7120 hf85 7120 13 k Ω hf45 7130 hf45 7130 15 k Ω hf45 7150 hf45 7150 18 k Ω hf45 7180 hf45 7180 22 k Ω hf45 7220 hf45 7220 24 k ...

  • Page 27: Kx-E100

    Kx-e100