Service manual 200mb.
Table of contents operating instructions 3 turn on / calibration procedure 6 schematics 9 engineering change orders (ecos) 18 bill of materials 19.
200mb/rcb t/o procedure rev.B- 3/7/88 1) inspect board. 2) connect mains. 3) observe the following: a) no load e) volume on 0 i) chorus depth on 0 b) variac at 0 f) master on 0 j) chorus rate on 0 c) trim pots halfway g) switches out k) speaker on d) tones on 5 h) sustain on 0 4) gradually adjust va...
Note: trigger is on the channel, the scope probe is on, and connect to d.0 (j5) @ 1v/div. This will make it possible to make measurements without having trigger problems. An external trigger could also be used. A) volume at 9 o’clock b) master at 10. C) tones on 5. D) engage chorus. E) rate 0/ depth...
Sw- rev. 8/27/99 200mb indented bill of materials note: level 1 refers to main assembly parts. Level 2 refers to board level components. Main assembly numbers are in bold face, while commonly needed parts are italicized. Lvl part# description qty ref. Desig. 1 010-0012-0 mpsa06 npn 80v 500ma to-92 1...
Lvl part# description qty ref. Desig. 1 111-6001-0 nut 4-40 kep small 4 1 111-6011-0 nut 4-40 hex small cad 6 1 111-7011-0 washer #4 split 6 1 112-0051-0 bolt 6-32 5/16 php cad 4 1 112-1050-0 bolt 6-32 5/16 fhp 82^ b.O. 11 1 112-1120-0 bolt 6-32 3/4 fhp 82^ b.O. 8 1 112-4080-0 screw 6ab 1/2 fhp 82^ ...
Lvl part# description qty ref. Desig. 1 132-0385-b 200mb rear panel series 2 1 2 112-6016-0 nut 6-32 captive 10 2 120-0005-0 alum .100 45 1 132-0386-d 200mb back series 2 1 2 120-0005-0 alum .100 406 1 160-0008-0 manual,mb-rcb series ii 1 1 202-0014-0 200mb wire kit 1 1 206-0056-g 200mb-rcb ii amp 1...
Lvl part# description qty ref. Desig. 2 030-2332-0 cap,ceramic axial,332,10%,50v 1 c28 2 030-2470-0 cap,ceramic axial,47,5%,50v 1 c79a 2 030-2473-0 cap,ceramic axial xr7,473,10%,50v 2 c61,64 2 030-2474-0 cap,ceramic axial z5u,474,20%,50v 3 c31,45,49 2 030-2561-0 cap,ceramic axial,561,10%,50v 1 c2 2 ...
Lvl part# description qty ref. Desig. 2 051-5602-0 res,carbon film,5.6k ohm,1/4w,5% 10 r47,56,66,68,70,137,138,170,173,185 2 051-5603-0 res,carbon film,56k ohm,1/4w,5% 7 r9,39,40,41,44,151,177 2 052-0000-0 res,metal wire, 0 ohm,1/4w,1% 5 2 052-1213-0 res,metal film,12.1k ohm,1/4w,1% 12 r159,160,225,...
