YORKVILLE ef500p Service Manual page 9

M1159 B PRODUCTION NOTES
**************IMPORTANT******************
1. ADD AMPLE RTV UNDER ENTIRE BASE OF OUTPUT COIL L1
2. LEADS FOR 5 WATT RESISTORS MUST BE BENT ON THE MACHINE
LEAD LOOP MUST NOT BE ABOVE TOP OF RESISTOR
3. #5858 Apply a ring of RTV
on cap's sleeve as shown
4. Q11 ONLY: Mount #8871 4-40
screw with head on bottom.
#8793 nut and 3501 washer on top
5. FIT #8921 FLAT WASHER BETWEEN #3501 BELL WASHER AND #8667 SHOULDER
WASHER FOR Q2, Q10 U30 AND U31
*NOTE: IF THE NX520P MODEL IS BEING USED AS A
REFERENCE, NOTE THAT THE HORN OF THE EF500P
IS WIRED OPPOSITE TO THAT OF THE NX520P.
6. NOTE: COMPONENTS R183, C114, C117, R212, R213, R215, C30, C19
AND C23 ARE ALL DNS (DO NOT STUFF). THEY ARE FIXED
SO THAT THEY WILL NOT GET FORCE UPDATED.
SEE LAYOUT DIAGRAM
5 WATT
7. PC7398, ADD CROWBAR CIRCUIT AND CHANGE
THE FUSE VALUE AT THE SAME TIME.
WITHOUT CROWBAR
N.A. CE
XFRM CH1255 CH1255E
#2415 #2482
FUSE F1
F 5A F3.15A
8. M1159, PARTS REFERENCE TABLE
M1159B
C77 #5282, 10U 16V 20% NP
C81 #5212, 100N 63V 5%
C89 #5631, 22U 50V 20% NP
R127 #6104, 2K2 1/4W 5% MINI
R128 #6122, 33K 1/4W 5% MINI
R145 #4982, 4K7 1/4W 5% MINI
R152 #4839, 150K 1/4W 5%
R157 #4940, 10K 1/4W 5%
R216 #4599, 22AWG SOLID JUMPER
R224 #4980, 470R 1/4W 5%MINI
D34 #6825, 1N4148 75V 0A45
D43 #6825, 1N4148 75V 0A45
U23 #6858 OPTO-COUPLER
U15 #6858 OPTO-COUPLER
_X64 #4599, 22AWG SOLID JUMPER
W28 X - NO PART
W5 X - NO PART
WITH CROWBAR
N.A. CE
CH1255 CH1255E
#2465 #2479
F 7A F 5A