Service manual 200mk / rk.
Table of contents operating instructions 3 turn on / calibration procedure 6 schematics 7 engineering change orders (ecos) 18 bill of materials 21.
200mk / 200rk turn-on procedure 2/1/88 rev. 9/28.99-sw 1) inspect board. 2) observe the following: variac at 0, no load, speaker load on, cabinet speaker off, tones on 10, master on 0, r5 clockwise, r291 counter- clockwise, all switches out. 3) gradually adjust variac to 20vrms. U23/8= 3.2v +or - .5...
200mk 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 1 011-0023-0 tip...
Lvl part# description qty ref. Desig. 1 111-0061-0 bolt 4-40 3/8 php cad 4 1 111-0081-0 bolt 4-40 1/2 php cad 9 1 111-3041-0 screw 4ab 1/4 php cad 4 1 111-4080-0 screw 4ab 1/2 fhp 82^ b.O. 8 1 111-6001-0 nut 4-40 kep small 3 1 111-6011-0 nut 4-40 hex small cad 5 1 111-7011-0 washer #4 split 4 1 112-...
Lvl part# description qty ref. Desig. 2 120-0003-0 steel,16ga,perf,3’x10’x.060 0 2 120-0011-0 steel,18 gauge jet coat,.048 272 1 132-0360-d 0000 200mk back 1 2 120-0005-0 alum .100 406 1 132-0361-b 200mk baffle 1 2 120-0005-0 alum .100 384 1 132-0362-b 200mk front panel 1 2 112-6016-0 nut 6-32 capti...
Lvl part# description qty ref. Desig. 2 020-1103-0 1n914 ,rect-fast,200ma,100v,4ns,do-35 11 d9,10,11,12,13,14,20,21,22,23,24 2 020-2105-0 1n4002,rect,1a,150v,do-41 5 d25,26,27,28,32 2 023-0109-0 kbpc-102 bridge rect 3a,200v,c219k 1 br1 2 030-0223-0 cap,ceramic axial,223,30%,16v 2 c23,121 2 030-1103-...
Lvl part# description qty ref. Desig. 2 051-1204-0 res,carbon film,120k ohm,1/4w,5% 5 r187,256,259,269,289 2 051-1504-0 res,carbon film,150k ohm,1/4w,5% 2 r252,255 2 051-2202-0 res,carbon film,2.2k ohm,1/4w,5% 8 r8,41,118,124,149,150,197,229,246 2 051-2203-0 res,carbon film,22k ohm,1/4w,5% 29 r4,31,...
