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RAM 2000 Service Manual

Other manuals for 2000: Operation Manual
Manual is about: S Series Professional Power Amplifiers

Summary of 2000

  • Page 1

    Service manual p-5343-006 qxpsdoc 1/07 © 2007 by c.E. Studio-2 s.L. - spain (eec) http://www.Ramaudio.Com e-mail: support@ramaudio.Com professional power amplifiers s series 1500-2000-3000-4000-6000 3004-4004-4044-6004-6044.

  • Page 2: Caution

    Warning: the exclamation point inside an equilateral triangle indicates the existence of internal components whose substitution may affect safety. The lightning and arrowhead symbol warns about the presen- ce of uninsulated dangerous voltage. To avoid fire or electrocution risk do not expose the uni...

  • Page 3

    The s series is a hi power amplifier composed by 2 or 4 channel class h technology fed by a switching power supply. It has twin male-female xlr back pannel input connectors per channel with the posibility to work in ste- reo, parallel or bridge modes. Has too a gain selection switch which permits wo...

  • Page 4

    General description power supply description the amplifier has a switching power supply fully independent and self commanded and protected, to feed the dc voltage to the audio power section. The mains voltage passes through an interference filter to filter out both the switching noise to go out and ...

  • Page 5

    Technical specifications technical specifications s-1500 s-2000 s-3000 s-4000 s-6000 s-3004 s-4004 s-4044 s-6004 s-6044 output power 1khz, 1.0% thd+n @ 2 Ω 2x 880 w 2x 1190 w 2x 1570 w 2x 1950 w 2x 2950 w 4x 700 w 4x 980 w - 4x 1440 w - @ 4 Ω 2x 575 w 2x 790 w 2x 1100 w 2x 1380 w 2x 2025 w 4x 500 w ...

  • Page 6

    Quick repair procedure mains current limiter: to test the power amplifier it is advisable to implement a mains current limiter to avoid any shortcircuit, in case the unit has damaged parts that have not been fixed. The most effective and easy solution is to use a pair of 100w light bulbs arranged in...

  • Page 7

    Quick repair procedure power audio section: when the audio section breaks, the usual consequences are that some final transistor or/and driver transistor gets shortcircuited. It is possible to get also some class h conmutation mosfet transistor or diode shortcircuited. To check it you have to use a ...

  • Page 9

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a fb k b out b m+ m- rms l im nt c se ns e bridge a vout _b iout _b te m p a _b cl ip _b te m p _b signal _b inb+ inb- channel b c hannel b.Sch fb k a fb k b fb k c fb k d out a out b out c out d m+ m- rms l im nt c se ns e te m p a _a cl ip _a signal _a ...

  • Page 10

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a r9 5 10k r8 3 10k r9 6 10k r7 3 10k c6 1 100p/50v c4 0 100p/50v gs a c2 4 10u/50v c1 9 10u/50v r1 10k gs a r4 7 47k gs a +1 5 q 143 pz t2222a q 132 pz t2907a r 437 75r r 450 75r r 439 4r 7/1w r 442 22r /1w c 196 470p/50v c 201 470p/50v g1 a c 202 33n/10...

  • Page 11

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a r 201 10k r 189 10k r 202 10k r 184 10k c 108 100p/50v c8 7 100p/50v gs b c7 0 10u/50v c6 7 10u/50v r2 10k gs b r 190 47k gs b +1 5 g1 b r 568 150k r 603 330r r 604 1k 8 r 605 100k r 608 15k r2 0 0r 33/4w r2 1 0r33/4w c 264 10u/35v d 221 ba s8 5 d219 mu...

  • Page 12

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a r 267 10k r 268 10k r 281 10k r 256 10k c 142 100p/50v c 127 100p/50v gs c c 116 10u/50v c 115 10u/50v r3 10k gs c r 234 47k gs c +1 5 g1 c r 479 150k r 459 330r r 456 1k 8 r 455 100k r 454 15k r1 2 0r 33/4w r1 1 0r33/4w c 219 10u/35v d 118 ba s8 5 d120...

  • Page 13

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a r 338 10k r 339 10k r 348 10k r 327 10k c 173 100p/50v c 157 100p/50v gs d c 146 10u/50v c 147 10u/50v r4 10k gs d r 333 47k gs d g1 d r 607 150k r 641 330r r 643 1k 8 r 642 100k r 644 15k r2 5 0r 33/4w r2 3 0r33/4w c 280 10u/35v d 247 ba s8 5 d242 murs...

  • Page 14

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 j2 3 et he r a m i n gs a gs b gs c gs d g15 +15 -15 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 j2 9 e theram signals lst b y 1 2 3 4 5 6 7 8 9 j3 4 cinta fb k a fb k b fb k c ...

  • Page 15

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a tri g 2 q 3 r 4 cvo lt 5 th r 6 dis 7 vcc 8 gnd 1 u9c 555 + c56c 10u/16v r140c 150k c58c 100n/100v gp +15p u1c t l p 3062 r132c 1k5 c47c 100n/100v gp gp gp 3 2 1 8 4 u8ca l m 393 5 6 7 u8cb l m 393 gp +15p c40c 100n/100v gp r131c 1k5 r40c 1m r35c 470k r...

  • Page 18

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a fb k b out b m+ m- rms l im nt c se ns e bridge a vout _b iout _b te m p a _b cl ip _b te m p _b vinsw _b inb+ inb- vinp os_b channel b c hannel b.Sch fb k a fb k b out a out b m+ m- rms l im nt c se ns e te m p a _a cl ip _a vinsw _a vout _b iout _b te...

  • Page 19

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a r 130 10k r 131 10k r 141 10k r 117 10k c7 3 100p/50v c5 8 100p/50v gs b c4 9 10u/50v c4 7 10u/50v r2 10k gs b r 125 47k gs b +1 5 g1 b r18 0r33/4w r19 0r33/4w d96 murs160t3 q2 5 m je 15033 q2 6 mjw21195 q2 7 mjw21195 r22 0r33/4w r21 0r33/4w d126 murs16...

  • Page 20

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a 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 j9 e theram signals lst b y 1 2 3 4 5 6 7 8 9 j2 2 cinta fb k a fb k b +15 -15 +5 g5 1 2 3 4 j2 5 cinta dcs r247 10k q101 5551 q103 5401 g r245 47k q100 5551 r249 1k +rm q102 5401 r248...

  • Page 21

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a r6 0 10k r6 1 10k r7 3 10k r5 0 10k c4 4 100p/50v c2 8 100p/50v gs a c1 7 10u/50v c1 6 10u/50v r1 10k gs a r3 4 47k gs a +1 5 g1 a r6 0r33/4w r7 0r33/4w d53 murs160t3 q1 0 m je 15033 q6 mjw21195 q7 mjw21195 r9 0r 33/4w r11 0r33/4w d66 murs160t3 q1 5 m j...

  • Page 24

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a ram audio - s series s1500 - s2000 - s3000 - s4000 pow er supply contr ol sc hematic s heet 5 of 5 dw g no: control s .Sch draw n design replace repl. By tri g 2 q 3 r 4 cvo lt 5 th r 6 dis 7 vcc 8 gnd 1 u9c 555 + c56c 10u/16v r140c 150k c58c 100n/100v ...

  • Page 27

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a fb k b out b m+ m- rms l im nt c se ns e bridge a vout _b iout _b te m p a _b cl ip _b te m p _b signal _b inb+ inb- channel b c hannel b.Sch fb k a fb k b fb k c fb k d out a out b out c out d m+ m- rms l im nt c se ns e te m p a _a cl ip _a signal _a ...

  • Page 28

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a r95 10k r83 10k r96 10k r73 10k c61 100p/50v c40 100p/50v gsa c24 10u/50v c19 10u/50v r1 10k gsa r47 47k gsa +1 5 q143 pzt 2222a q132 pzt 2907a r437 75r r450 75r r439 4r7/1w r442 22r/1w c196 470p/50v c201 470p/50v g1a c202 33n/100v r452 100k r432 330r r...

  • Page 29

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a r201 10k r189 10k r202 10k r184 10k c108 100p/50v c87 100p/50v gsb c70 10u/50v c67 10u/50v r2 10k gsb r190 47k gsb +1 5 g1b r568 100k r603 330r r604 2k49 r605 100k r608 33k r20 0r33/4w r21 0r33/4w c264 10u/35v d221 ba s85 d219 murs160t3 q217 mmb ta1 3 q...

  • Page 30

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a r267 10k r268 10k r281 10k r256 10k c142 100p/50v c127 100p/50v gsc c116 10u/50v c115 10u/50v r3 10k gsc r234 47k gsc +1 5 g1c r479 100k r459 330r r456 2k49 r455 100k r454 33k r12 0r33/4w r11 0r33/4w c219 10u/35v d118 ba s85 d120 murs160t3 q156 mmb ta1 ...

  • Page 31

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a r338 10k r339 10k r348 10k r327 10k c173 100p/50v c157 100p/50v gsd c146 10u/50v c147 10u/50v r4 10k gsd r333 47k gsd g1d r607 100k r641 330r r643 2k49 r642 100k r644 33k r25 0r33/4w r23 0r33/4w c280 10u/35v d247 ba s85 d242 murs160t3 q232 mmb ta1 3 q23...

  • Page 32

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 j2 3 et he r a m i n gs a gs b gs c gs d g15 +15 -15 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 j2 9 e theram signals lst b y 1 2 3 4 5 6 7 8 9 j3 4 cinta fb k a fb k b fb k c ...

  • Page 35

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a fb k b out b m+ m- rms l im nt c se ns e bridge a vout _b iout _b te m p a _b cl ip _b te m p _b vinsw _b inb+ inb- vinp os_b channel b c hannel b.Sch fb k a fb k b out a out b m+ m- rms l im nt c se ns e te m p a _a cl ip _a vinsw _a vout _b iout _b te...

  • Page 36

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a r60 10k r61 10k r73 10k r50 10k c44 100p/50v c28 100p/50v gsa c17 10u/50v c16 10u/50v r1 10k gsa r34 47k gsa +1 5 g1a r6 0r33/4w r7 0r33/4w d53 murs160t3 q10 m je15033 q6 mjw21195 q7 mjw21195 r9 0r33/4w r11 0r33/4w d66 murs160t3 q15 m je15032 q11 mjw211...

  • Page 37

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a r130 10k r131 10k r141 10k r117 10k c73 100p/50v c58 100p/50v gsb c49 10u/50v c47 10u/50v r2 10k gsb r125 47k gsb +1 5 g1b r18 0r33/4w r19 0r33/4w d96 murs160t3 q25 m je15033 q26 mjw21195 q27 mjw21195 r22 0r33/4w r21 0r33/4w d126 murs160t3 q34 m je15032...

  • Page 38

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a 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 j9 e theram signals lst b y 1 2 3 4 5 6 7 8 9 j2 2 cinta fb k a fb k b +15 -15 +5 g5 1 2 3 4 j2 5 cinta dcs r247 10k q101 5551 q103 5401 g r245 47k q100 5551 r249 1k +rm q102 5401 r248...

  • Page 41

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a tri g 2 q 3 r 4 cvo lt 5 th r 6 dis 7 vcc 8 gnd 1 u11 555 + c80 10u/16v r148 150k c79 100n/100v gp +15p u1 t l p 3062 r140 1k5 c68 100n/100v gp gp gp 3 2 1 8 4 u9a l m 393 5 6 7 u9b l m 393 gp +15p c58 100n/100v gp r139 1k5 r45 1m r30 470k r76 20k r134 ...

  • Page 42

    R epl . By r epl ac e d e s ign dr a w n sheet 6 of 6 p o w e r s u p p ly co nt ro l sc hematic s 6 0 0 0 - s 6 0 0 4 - s 6044 ram audio - s series dw g n o : su ppl y_ s6k.Sch.

  • Page 44

    1 2 3 4 5 6 78 a b c d 8 7 6 5 4 3 2 1 d c b a 1 2 3 4 j4 r xl r f 1 2 3 g 1 2 3 4 j3 l x l r f 1 2 3 g hpl hpr lp l 10 9 8 u4 c m c 33079 c3 0 10u 12 13 14 u4 d m c 33079 c2 3 10u r6 4 47r 5 gs c r6 1 100k 3 2 1 4 11 u4 a m c 33079 d7 1n 4148 d8 1n 4148 r6 3 100k r4 9 100k r5 9 200k 5 6 7 u4 b m c ...

  • Page 46

    Manufactured in the eec by c.E. Studio-2 s.L. Pol. Ind. La figuera - c/rosa de luxemburgo nº34 46960 aldaya - valencia - spain phone: +34 96 127 30 54 fax: +34 96 127 30 56 http://www.Ramaudio.Com e-mail: support@ramaudio.Com.