1. DL manuals
  2. Yamaha
  3. Stereo System
  4. CRX-E150
  5. Service Manual

Yamaha CRX-E150 Service Manual

Other manuals for CRX-E150: Owner's Manual, Owner's Manual

Summary of CRX-E150

  • Page 1

    Service manual mini component system 1 0 0 7 4 4 important notice this manual has been provided for the use of authorized yamaha retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically yamaha products, are already known...

  • Page 2

    Crx-e150 crx-e150 1 wall outlet equipment under test ac leakage tester or equivalent insulating table ■ to service personnel 1. Critical components information components having special characteristics are marked s a n d m u s t b e r e p l a c e d w i t h p a r t s h a v i n g specifications equal ...

  • Page 3

    Crx-e150 crx-e150 2 varo!: avattaessa ja suojalukitus ohitettaessa olet alttiina nÄkymÄttÖmÄlle laser- sÄteilylle. ÄlÄ katso sÄteeseen. Varning!: osynlig laserstrÅlning nÄr denna del Är Öppnad och spÄrren Är urkopplad. Betrakta ej strÅlen. B, g, r, t models b, g, r, t models the label is under the m...

  • Page 4

    Crx-e150 crx-e150 ■ front panels u, c, a, r, t models natural sound cd receiver crx-e150 standby display bass – + – + l r min min max hour timer time adj treble balance input memory auto/man'l preset/band preset/turing phones standby/on timer volume 3 b, g models natural sound cd receiver crx-e150 s...

  • Page 5

    Crx-e150 crx-e150 4 b model g model ■ rear panels u, c models a model r, t models www. Xiaoyu163. Com qq 376315150 9 9 2 8 9 4 2 9 8 tel 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296513 qq 376315150 892498299 http://www.Xiaoyu163.Com http://w...

  • Page 6

    Crx-e150 crx-e150 5 ■ specifications ■ audio section minimum rms output power per channel (power amp. Section) (1 khz, 0.1% thd, 6 ohms) sp out l/r ................................................................ 25w + 25w maximum power per channel (eiaj) [r model] (1 khz, 10% thd, 6 ohms) sp out l/...

  • Page 7

    Crx-e150 crx-e150 217 (8-9/16") 160 (6-5/16") 8 (5/16") 168 ( 6-5/8" ) 15 (9/16") 22 (7/8") 275 (10-13/16") 312 ( 12-5/16" ) unit : mm (inch) 6 7 8 9 0 1 2 3 4 5 6 ■ speaker section (nx-e150) type ................................. 2 way bass-reflex magnetic shielding type driver woofer ................

  • Page 8

    Crx-e150 crx-e150 9 8 5 7 6 0 a a a tuner main (1) p.C.B. Cb601 frame/p.C.B. Cd mechanism unit b d c d 2 2 1 1 3 3 4 top cover front panel 7 ■ disassembly procedures (remove parts in the order as numbered.) disconnect the power plug from the ac outlet. 1. Removal of top cover a. Remove 4 screws (1) ...

  • Page 9

    Crx-e150 crx-e150 f sub chassis (s) g g drive unit pick-up cable pick-up head gear a sled shaft stopper stopper e stopper pin chucking unit stopper hook drive gear 7. Removal of pick-up head a. Remove 2 screws (f) in fig. 6. B. Remove the pick-up cable in fig. 6. C. Remove 4 screws (g) and then remo...

  • Page 10

    Crx-e150 crx-e150 9 ■ cd mechanism unit operation check refer to the disassembly procedures and the exploded view. 1. Disconnect the power plug from the ac outlet. 2. Remove the top cover. 3. Remove the front panel unit. 4. Remove the tuner. 5. Remove the main (1) p.C.B. 6. Remove the frame/p.C.B. 7...

  • Page 11

    Crx-e150 crx-e150 standby/on key is pressed while pressing display key and auto/man'l key. Test mode indication. Preset/tuning key test mode number up. Preset/tuning key test mode number down. Preset/band key executive test mode. Standby/on key power off the completion of test mode. Power off condit...

  • Page 12

    Crx-e150 crx-e150 11 destination r (am9k/fm:50k) r (am10k/fm100k) a b,g u,c j display r9k r10k a b, g u, c j (*1) (*2) contents of indication change by the microcomputer software. Preset group a b c d e p1 p2 p3 p4 p5 p6 p7 p8 caution : when executing test mode no. 2 ram clear, be sure to write down...

  • Page 13

    Crx-e150 crx-e150 ● test mode function list of panel keys press the ”standby/on” key while pressing the ”stop” key and the ”play/pause” key simultaneously, and test mode will be activated. On the fl display, an opening message appears for a few seconds. Command name open/close auto adj-1 auto adj-2 ...

  • Page 14

    Crx-e150 crx-e150 13 ■ cd standard operation chart a press open/close key. Forced feed return operation clamp down operation tray open tracking offset auto adj focus offset auto adj load a disc. Press play key or push the tray. Tray closed disc mechanism unit clamped up. Feed inward switch detect. L...

  • Page 15

    Crx-e150 crx-e150 a tracking gain rough adj ~ * data fetch cycle ~ after searching the beginning, mute is cancelled. ~ play ~ mute on track search mute on spindle motor stop : mute (ic103, 56 pin) = “l” → “h” “0:00” appears in the time indicator. “0:00” appears in the time indicator. Tracking balanc...

  • Page 16

    Crx-e150 crx-e150 15 ■ cd error message (1) if a cd error occurs, an error message can be displayed by holding down the “memory” key and pressing the “preset/band” key. (2) shown below is an example of display. (“e-73” as an example) (3) listed in the table below are error messages. Error no. E-10 e...

  • Page 17

    Crx-e150 crx-e150 2) troubleshooting from system malfunctions a) tray fails to come out/go in. Microcomputer or loading ic (ic1) defective no flsw = “l” limit switch defective feed servo system defective microcomputer defective no yes motor defective poor mechanism operation wire caught. Loose gear,...

  • Page 18

    Crx-e150 crx-e150 17 ■ amp adjustments ● confirmation of idling current 1) no signal applied. 2) non-loaded condition. 3) aging is not neccessary. Note if the measured voltage exceeds 5mv, cut the lead wire of r446 (l ch) or r447 (r ch) and then check again if each measured value satisfies the ratin...

  • Page 19

    Crx-e150 crx-e150 ■ ic data ic102 : mn35511al signal processor & controller 58 59 56 17 s tat x1 x2 xsel timing generator pitch control vco micro computer interface servo cpu output port d/a converter efm demodulation sync interpolation subcode demodulation circ error correction deinterleave clv ser...

  • Page 20

    Crx-e150 crx-e150 19 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 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 function bit clock output for sr data (nc) l/r identification signal output (nc) serial data output (nc) power supply for digital circuit (+5)...

  • Page 21

    Crx-e150 crx-e150 pin no. 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 function loop filter terminal for dsl loop filter terminal for pll loop filter terminal for vco (+5) power supply for analog circuit (for ad of dsl, pll, da output blocks) ...

  • Page 22

    Crx-e150 crx-e150 21 ic103 : m38b59mfh 8 bit µ-com 64 p20 63 p21 62 p22 61 p23 60 p24 59 p25 58 p26 57 p27 56 p00 55 p01 54 p02 53 p03 52 p04 51 p05 50 p06 49 p07 48 p10 47 p11 46 p12 45 p13 44 p14 43 p15 42 p16 41 p17 1 p75 2 p74 3 p73 4 p72 5 p71 6 p70 7 p61 8 p60 9 p47 10 res 11 p91 12 p90 13 vss...

  • Page 23

    Crx-e150 crx-e150 ic103 : m38b59mfh pin description no. Port name i/o function 1 p75 /opsw i opened state of tray sensing switch input. Opened state at "l" 2 p74 /clsw i closed state of tray sensing switch input. Opened state at "l" 3 p73 trop o tray open/close signal output 4 p72 trcl tray close co...

  • Page 24

    Crx-e150 crx-e150 no. Name function 1 vss 2 data 3 clock 4 q0 cd µ-com reset out [0: reset] 5 q1 timer led out [0: on, 1: off] 6 q2 stand-by led out [0: on, 1: off] 7 q3 motor vr down out [1: down] 8 q4 motor vr up out [1: up] 9 q5 power relay (power on) out [0: on, 1: off] 10 q6 speaker relay out [...

  • Page 25

    Crx-e150 crx-e150 no. Port name in/out function 1 p97 mut. A out amp mute out [0: mute on] 2 p96 do_bu out expansion port (bu2090) data out 3 p95 clk_cd s-clk cd indication system control clk out [serial i/o-2] 4 p94 do_cd s-out cd indication system control data out [serial i/o-2] 5 p93 di_cd s-in c...

  • Page 26

    Crx-e150 crx-e150 25 no. Port name in/out function 23 p77 ce out c2b(lc72131/lc72720/lc78211)ce out [1:data transmission] 24 p76 clk s-clk lc72131/lc72720/lc78211 clk out (serial i/o-1) 25 p75 dat i s-in lc72131/lc72720 data in (serial i/o-1) 26 p74 dat o s-out lc72131/lc72720/lc78211 data out (seri...

  • Page 27

    Crx-e150 26 27 ● key input (a-d) pull up resistor 10k Ω Ω v key 0 (98pin) key 1 (96pin) key 2 (95pin) 0 0 — 0.556 power preset/band display +2k — 1.111 preset/tuning auto/man'l timer memory time adj +10k — 3.889 no key no key no key +2.4k — 2.222 open/close no key no key +3.9k — 2.778 no key no key ...

  • Page 28

    2 a b c d e f g h i j 1 3 4 5 7 crx-e150 6 e-29/j-25 e-28/j-24 ■ block diagram (1/2) see page e-43/j-39 operation see page e-45/j-41 main see page e-44/j-40 cd see page e-42/j-38 input backup capacitor for timer only c210 w w w . X i a o y u 1 6 3 . C o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e ...

  • Page 29

    A b c d e f g h i j 1 2 3 4 5 6 7 crx-e150 e-31/j-27 e-30/j-26 see page e-44/j-40 cd ■ block diagram (2/2) w w w . X i a o y u 1 6 3 . C o m q q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 t e l 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 q q tel 13942296513 qq 376315150 892498299 tel 13942296...

  • Page 30: Input (1) P. C. B.

    2 a b c d e f g h i j 1 3 4 5 7 crx-e150 6 e-33/j-29 e-32/j-28 ■ printed circuit board (foil side) ref. No. Location d301 c5 d751 f5 ic301 d4 ic302 d3 ic303 c2 ic304 c3 ic305 c4 ic306 b5 ic751 g6 ic752 f5 q301 d3 q302 d2 q303 c5 q304 c4 • semiconductor location input (1) p. C. B. Input (3) p. C. B. ...

  • Page 31: Operation P. C. B.

    A b c d e f g h i j 1 2 3 4 5 6 7 crx-e150 e-35/j-31 e-34/j-30 ■ printed circuit board (foil side) ref. No. Location d201 d6 d202 f3 d203 f3 d204 d6 d205 d6 d206 d6 d207 f5 d208 f5 d209 d6 d210 d6 d211 f5 d212 c7 ic201 g7 ic202 e6 ic203 f6 q201 g6 q202 d7 q203 g6 q204 d6 q205 f2 q206 d6 • semiconduc...

  • Page 32: Cd P. C. B.

    2 a b c d e f g h i j 1 3 4 5 7 crx-e150 6 from main (2) mgnd +5 mgnd +5 dgnd agnd +5 from cd mechanism unit ld f b d vcc ta+ mon fa– gnd c a e vc fa+ vr ta– to cd mechanism unit gnd flsw feed feed spdl spdl close gnd open lo ad lo ad cd p. C. B. (lead type device) (surface mount device) to main (1)...

  • Page 33: Main (1) P. C. B.

    A b c d e f g h i j 1 2 3 4 5 6 7 crx-e150 out ac outlet subwoofer out digital optical speakers main (1) p. C. B. L r from main (4) gnd acamp4 acamp3 to main (4) from ac power cord gy br to main (2) f1 f2 +10v mgnd +5a dgnd to main (3) – b +b e e +15 -15 to input (1) e out2d mute out1d out1c out2c e...

  • Page 34: Main (4) P. C. B.

    2 a b c d e f g h i j 1 3 4 5 7 crx-e150 6 (r, t models only) voltage selector main (4) p. C. B. Main (2) p. C. B. Main (3) p. C. B. Main (5) p. C. B. Power transformer 240v 1-2/5-6 220v 2-3/6-7 110v 3-4/7-8 120v 4-5/8-1 voltage selector to c d mgnd mgnd dgnd agnd +5n +5d +5a from main (1) e +15 –b ...

  • Page 35: Schematic Diagram (Input)

    A 1 2 3 4 5 6 7 8 9 b c d e f g h i j k l crx-e150 schematic diagram (input) e-42/j-38 hzs5c1 hzs12a2td 8 7 6 5 4 3 2 1 out1 – vcc +in2 – in2 out2 +vcc – in1 +in1 ic301~303, 751: njm2068d-d dual op-amp. Ic752: lb1641 motor driver 2 3 p1 5 in 1 1 gnd 4 vz 6 in 2 out 1 8 vcc 2 10 out 2 9 p2 input logi...

  • Page 36

    Pin connection diagram of transistors, diodes and ics. A 1 2 3 4 5 6 7 8 9 b c d e f g h i j k l schematic diagram (operation) e-43/j-39 crx-e150 ★ all voltage are measured with a 10mΩ /v dc electric volt meter. ★ components having special characteristics are marked s and must be replaced with parts...

  • Page 37: Schematic Diagram (Cd)

    2sb544 e c b a 1 2 3 4 5 6 7 8 9 b c d e f g h i j k l crx-e150 schematic diagram (cd) e-44/j-40 an8785sb m38b59mfh-a126fp an8399sa-e1 mn35511al tc74hc125af 2sd1938f pin connection diagram of transistors, diodes and ics. ★ all voltage are measured with a 10mΩ /v dc electric volt meter. ★ components ...

  • Page 38: Schematic Diagram (Main)

    1ss133 1ss270a 1sr139 hzs5b2td hzs6a3 hzs12a2td hzs152td hzs302td anode cathode 2sa1317 2sc1740s 2sc3330 e c b 2sa893a 2sa970 2sc1815 2sc1890a 2sc2229 2sc2240 2sc2878 e c b pin connection diagram of transistors, diodes and ics. A 1 2 3 4 5 6 7 8 9 b c d e f g h i j k l schematic diagram (main) e-45/...

  • Page 39

    A b c d e 1 2 3 4 5 6 7 crx-e150 crx-e150 ic1 : jt7060–18 ki/o6 ki/o7 s0 s1 rem vdd x out x in gnd reset ki/o5 ki/o4 ki/o3 ki/o2 ki/o1 ki/o0 ki3 ki2 ki1 ki0 ir-led ir 1 q1 2sd1781kr r2 220 Ω dc3v b1 c1 47 µf/16 x1 455khz c2 100p c3 100p c4 0.1 µf 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 29...

  • Page 40: Parts List

    Crx-e150 crx-e150 47 ■ 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 resistor...

  • Page 41

    Crx-e150 crx-e150 * v7353800 p.C.B. Input uc * v7353900 p.C.B. Input rt * v7354000 p.C.B. Input a * v7354100 p.C.B. Input bg * cb301 vu280900 cn 9p se 9604s * cb302 vu280900 cn 9p se 9604s * cb303 vu281500 cn 15p se 9604s cb304 vu282000 cn 20p cb305 vk026400 cn.Bs.Pin 5p * cb701 vu280700 cn 7p se 96...

  • Page 42

    Crx-e150 crx-e150 49 st701 v4040500 scr.Term m3 sw301 v3624300 sw.Slide ss029‑p022mjb‑pa6 rt sw701 vt140300 sw.Rt.Enc ec16b12204 sw702 v2014900 sw.Tact evq21304m sw703 v2014900 sw.Tact evq21304m sw704 v2014900 sw.Tact evq21304m vr701 v3555600 vr b20kΩ vr702 v3555700 vr w25kΩ vr703 v3555800 vr mn100k...

  • Page 43

    Crx-e150 crx-e150 schm ref. Part no. Description markets ✻ new parts p.C.B. Cd & p.C.B. Main schm ref. Part no. Description markets ✻ new parts c131 us061470 c.Ce.M.Chp 47pf 50v * c132 v6923400 c.El 100uf 6.3v c136 v6295600 c.El 330uf 6.3v c138 um388100 c.El 100uf 10v c139 us135100 c.Ce.Chp 0.1uf 16...

  • Page 44

    Crx-e150 crx-e150 51 schm ref. Part no. Description markets ✻ new parts p.C.B. Main schm ref. Part no. Description markets ✻ new parts c605 ur828100 c.El 100uf 10v c606 ur837470 c.El 47uf 16v d401 vm974100 diode.Zenr hzs5b2td 5.0v d403 vd631600 diode 1ss133,176 d405 vd631600 diode 1ss133,176 d408 vn...

  • Page 45

    Crx-e150 crx-e150 schm ref. Part no. Description markets ✻ new parts p.C.B. Main & chip resistors schm ref. Part no. Description markets ✻ new parts te401 v5867400 outlet.Ac 2p ac‑182‑gb‑11v rt te401 vt915000 outlet.Ac 2p a te401 vu543300 outlet.Ac 1p b te401 vv537400 outlet.Ac 1p g te402 vy696300 t...

  • Page 46

    A b c d e 1 2 3 4 5 6 7 crx-e150 53 30 22 28 27 103 103 11 147 146 143 140 141 151 150 150 108 142 142 101 140 120 147 147 147 143 143 110 148 110 203 148 200 202 143 143 21 29 26 12 31 107 147 146 151 146 147 143 112 113 111 149 149 145 2-111 200-1 2-112 2-5 2-105 2-101 1-102 1-101 1-103 1-110 1-11...

  • Page 47

    Crx-e150 crx-e150 ■ mechanical parts ✻ new parts ref. No. Part no. Description remarks markets * 1‑1 v7337500 p.C.B. Ass'y gd:operation gd * 1‑10 mf128100 flexible flat cable 28p 100mm p=1.25 * 1‑11 mf109300 flexible flat cable 9p 300mm p=1.25 * 1‑12 mf107120 flexible flat cable 7p 120mm p=1.25 * 1‑...

  • Page 48

    Crx-e150 crx-e150 55 ✻ new parts ref. No. Part no. Description remarks markets 107 v3687200 lid, cdx si 108 vp857700 damper 4x6x5 110 v3688500 leg m0080‑m0 111 v6746300 knob d30 gd 111 v6746200 knob d30 si * 112 v6762500 knob/d14.5 gd * 112 v6762400 knob/d14.5 si 113 v3811300 knob d10 gd 113 v368780...

  • Page 49

    A b c d e 1 2 3 4 5 6 7 crx-e150 crx-e150 * the stopper is not supplied with the tray as a spare part. When replacing the tray, keep the removed stopper and reuse it. Should it be lost and a new one be necessary, order service part h main chassis (s) and remove the stopper only from it and use it as...

  • Page 50

    Crx-e150 crx-e150 57 ■ mechanical parts (cd mechanism unit) ✻ new parts ref. No. Part no. Description remarks markets vz573200 cd mechanism unit ksl‑2130ccm 1 cx680620 tray (c) 2130 264629001 3 cx675250 gear cover (s) 262554401 4 cx675210 tray gear (s) 262553501 5 ax619150 chucking plate (s) 2625546...

  • Page 51

    A b c d e 1 2 3 4 5 6 7 crx-e150 crx-e150 ■ exploded view (drive unit) note: the parts marked with an asterisk ( ) are not available separately. Cover ref. No. Part no. Description remarks markets s 1 nx635420 motor chassis ass'y (mb) x26258771 2 cx679710 motor gear ass'y x26257691 3 ax623980 sled s...

  • Page 52

    Crx-e150 crx-e150 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 ...

  • Page 53

    Crx-e150 crx-e150 60 system control features • one bus line controls all the units. • units are connected in series, using monaural mini jacks. • units can be connected in any order description of operation crx cpu cd x cpu m dx cpu k x cpu bus line serial data format crx cdx md x kx header da ta (8...

  • Page 54

    Crx-e150 crx-e150 61 microprocessor peripheral circuit transmission reception cpu system cable description of data transmission and reception 1 although there is only 1 bus line, prepare special ports for data transmission and reception at each cpu. 2 the bus data consists of a header and data (8 bi...

  • Page 55

    Crx-e150 crx-e150 62 2) function [(5) to (6)] • no source other than that selected by the input selector will be reproduced. • the functions are selected automatically to be suitable for the source to be reproduced. • selecting the functions is prohibited during recording. 3) timer operation [(7) to...

  • Page 56

    Crx-e150 crx-e150 63 remarks remarks remarks dimmer level signal transmitted about 1 second later power sw off [poff_req] [poff_ok] [poff_ok] secondary connection state [state_on] power sw on crx mdx kx secondary connection state mdx kx power sw on ac outlet on crx [dimm_*] crx mdx kx [state_on] or ...

  • Page 57

    Crx-e150 crx-e150 64 remarks remarks stop when func ≠ md stop when func ≠ tape remarks stop when func ≠ md stop when func ≠ tape [play] mdx power off kx crx secondary connection state after power off processing crx mdx or [func_md] [func_cd] or [func_tape] or [func_tu] or [func_aux] or [func_md] whe...

  • Page 58

    Crx-e150 crx-e150 65 remarks execution of function selection remarks execution of function selection recording unit kx or [func_md] or [func_tape] or [func_tu] crx mdx [func_cd] timer time reached [cd_tplay] or [func_aux] timer play command transmitted when play unit is cd, md or tape kx or [md_tpla...

  • Page 59

    Crx-e150 crx-e150 66 remarks key key [state_on] auto power on applicable key input secondary connection state operation according to the input secondary connection state crx mdx operation according to the input auto power on applicable key input kx [state_on] when in the power off state when in the ...

  • Page 60

    Crx-e150 crx-e150 67 crx code mdx code kx code remote control cd cd_stop 80 cd_play/pause 81 cd_eject 82 cd_skip+ 83 cd_skip- 84 search+ 85 search- 86 seach_end 87 cd_random 88 cd_time 89 cd_prg 8a cd_rpt 8b tape 8c peak search 8d cd_0 90 cd_1 91 cd_2 92 cd_3 93 cd_4 94 cd_5 95 cd_6 96 cd_7 97 cd_8 ...

  • Page 61

    Crx-e150 crx-e150 68 reception status of operation switches during recording (*=aux or tuner) c →t crx power o function x cd power o eject x play x stop o skip x search x md power o eject o play x stop x skip x search x rec x tape power o eject x play x stop o ff/rew x rec x c →m o x o x x o x x o x...

  • Page 62

    A b c d e 1 2 3 4 5 6 7 crx-e150 2 5 1 8 6 5 3 7 7 7 4-1 8-2 8-3 8-1 4 4-2 tweeter (xw275a00) woofer (xz668a00) r1 2.7 Ω/5w l1 1.0mh l2 0.27mh c2 3.3 µf/63v c1 8.2 µ f/63v input 69 nx-e150 ref. No. Part no. Description remarks markets * 1 aax24090 cabinet ass'y bl 001 00000010 * 1 aax27870 cabinet a...