Yamaha NS-P440 Service manual

Other manuals for NS-P440: Owner's Manual, Owner's Manual
Manual is about: HOME CINEMA 5.1CH/6.1CH SPEAKER PACKAGE

Summary of NS-P440

  • Page 1

    ■ contents to service personnel .......................................... 2 specifications ...................................................... 3~4 internal view ........................................................... 4 rear panels .......................................................... 5~...

  • Page 2

    Ns-p440/ns-p446 2 ns-p440/ns-p446 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 and must be replaced with parts having specifications equal to those or...

  • Page 3

    Ns-p440/ns-p446 3 ns-p440/ns-p446 ■ specifications ■ nx-e440 type .................................................. 2-way acoustic suspension magnetic shielding type driver woofer ................. 8 cm (3-1/8") cone magnetic shielding type x 1 tweeter ... 2.5 cm (1") balanced dome magnetic shieldi...

  • Page 4

    Ns-p440/ns-p446 4 ns-p440/ns-p446 ■ internal view 325 (12-13/16") 198 (7-13/16") 280 (11-1/16") 280 (11-1/16") 295.3 (11-5/8") 12.5 (1/2") 2.8 (1/8") 118 (4-5/8") 110 (4-5/16") 136.8 (5-3/8") 5.4 (3/16") 21.4 (13/16") sw-p440 ns-e440 ns-c440 99 (3-7/8") 285 (11-3/16") 110 (4-5/16") 129.7 (5-1/8") 1....

  • Page 5

    Ns-p440/ns-p446 5 ns-p440/ns-p446 • sw-p440 a model ■ rear panels • sw-p440 r model • sw-p440 u, c models power indicator power indicator power indicator • sw-p440 k model power indicator.

  • Page 6

    Ns-p440/ns-p446 6 ns-p440/ns-p446 • sw-p440 b, g models • sw-p440 l model power indicator power indicator b, g models u, c, r, k, a, l models b, g models u, c, r, k, a, l models • nx-e440 • nx-c440

  • Page 7

    Ns-p440/ns-p446 7 ns-p440/ns-p446 connector driver base 1 1 2 2 rear panel ass'y 3 3 rubber sheet and cloth ■ disassembly procedures fig. 2 fig. 1 2. Removal of rear panel ass'y a. Remove 8 screws (3). (fig. 2) * screws (3) are identified with arrow marks ( ). B. Pull out the rear panel ass'y. (fig....

  • Page 8

    Ns-p440/ns-p446 8 ns-p440/ns-p446 ■ block diagram vr1 v o lume ic4a ic4b - + + + ic5a ic5b ic1 2 3 - - + - l.P .F . 6db/oct l.P .F . 12db/oct h.P .F . 12db/oct driver input pj1 po wer amp ry 1 pr o tection po wer suppl y d1 f1 t1 po wer sw5 4 8 2 26 1 9 8 10 +b +b -b -b ic6 q5, 6 d4, 5, 22, 23 q17- ...

  • Page 9

    Ns-p440/ns-p446 9 a 1 2 3 4 5 6 7 b c d e f g h i j volume input main (3) p.C.B. (side a) circuit no. U, c, r, a, l k, b, g c79 x o driver ac in main (1) p.C.B. Power on/off main (5) p.C.B. Be be be wh ye ye re re br br u, c, k, a, b, g models r, l models main (7) p.C.B. Main (10) p.C.B. (side a) ma...

  • Page 10

    2 a b c d e f g h i j 1 3 4 5 7 ns-p440/ns-p446 6 10 ■ schematic diagram ★ all voltages are measured with a 10mΩv dc electronic volt meter. ★ components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. ★ schematic ...

  • Page 11: Parts List

    Ns-p440/ns-p446 11 ns-p440/ns-p446 abbreviations in this list are as follows: parts list ■ electrical parts c.A.El.Chp : chip alumi.Electrolytic cap c.Ce : ceramic cap c.Ce.Array : ceramic cap array c.Ce.Chp : chip ceramic cap c.Ce.Ml : multilayer ceramic cap c.Ce.M.Chp : chip multilayer ceramic cap...

  • Page 12

    Ns-p440/ns-p446 12 ns-p440/ns-p446 ✻ new parts ✻ new parts * wg592800 p.C.B. Main uc * wg592900 p.C.B. Main rl * wg593000 p.C.B. Main kbg * wg593100 p.C.B. Main a cb3 vb390100 cn.Bs.Pin 5p s cb4 vg879900 cn.Bs.Pin 2p s cb5‑6 wc050700 clip.Fuse eyf‑52bcy rl s cb7‑8 wc050700 clip.Fuse eyf‑52bcy cb9‑10...

  • Page 13

    Ns-p440/ns-p446 13 ns-p440/ns-p446 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 ...

  • Page 14

    A b c d e 1 2 3 4 5 6 7 ns-p440/ns-p446 14 ■ sw-p440 exploded view r, l models 1 2 5 6 4-1 (9) 4-1 (7) 4-1 (10) 4-1 (1) 4-1 (2) 4-1 (5) 4-1 (3) 4-2 4-3 4-4 4-5 4-6 4-7 4-7 4-8 4-11 4-11 4-19 4-19 4-23 4-24 4-25 4-26 4-31 4-32 4-32 4-32 4-33 4-34 4-34 4-35 4-36 4-36 4-37 21 21 23 23 200 202 203 204 2...

  • Page 15

    Ns-p440/ns-p446 15 ns-p440/ns-p446 ■ sw-p440 mechanical parts * 1 wg636900 cabinet ass'y sw‑p440lc * 1 wg636800 cabinet ass'y sw‑p440bl * 1 wg636700 cabinet ass'y sw‑p440si 2 x2323b00 driver woofer 16cm 6Ω ja1689 * 4‑1 wg592800 p.C.B. Ass'y main uc * 4‑1 wg592900 p.C.B. Ass'y main rl * 4‑1 wg593000 ...

  • Page 16

    A b c d e 1 2 3 4 5 6 7 ns-p440/ns-p446 16 ■ nx-e440 exploded view 1 2-1 2-4 3 4 5 6 9 10 15 15 15 16 17.

  • Page 17

    Ns-p440/ns-p446 17 ns-p440/ns-p446 ■ nx-e440 mechanical parts * 1 wg574500 cabinet ass'y nx‑e440lc * 1 wg574400 cabinet ass'y nx‑e440bl * 1 wg574300 cabinet ass'y nx‑e440si 2‑1 wd362900 speaker terminal 2p push 2‑4 v8663800 bipolar electrolytic cap 1uf 63v 3 x7114a00 driver tweeter 2.5cm 6Ω ja05f8 n...

  • Page 18

    A b c d e 1 2 3 4 5 6 7 ns-p440/ns-p446 18 ■ nx-c440 exploded view 1 2-1 2-4 3 4 4 5 6 15 15 15 15 16.

  • Page 19

    Ns-p440/ns-p446 19 ns-p440/ns-p446 ■ nx-c440 mechanical parts * 1 wg574800 cabinet ass'y nx‑c440lc * 1 wg574700 cabinet ass'y nx‑c440bl * 1 wg574600 cabinet ass'y nx‑c440si 2‑1 wd362900 speaker terminal 2p push 2‑4 v8663800 bipolar electrolytic cap 1uf 63v 3 x7114a00 driver tweeter 2.5cm 6Ω ja05f8 n...

  • Page 20: Ns-P440/ns-P446

    Ns-p440/ns-p446.