Production Notes - YORKVILLE NX55P Service Manual

SEE LAYOUT DIAGRAM
M1309 B

PRODUCTION NOTES

1. R90, R104, R116, R143, R144, C59, C61, C145, C146 HAVE UPDATED
VALUES FOR THE 7527 CERAMIC DRIVER AS PER PC8300.
SEE TABLE BELOW FOR DETAILS.
NEO DRIVER CERAMIC DRIVER
YS#7461 YS#7527
R90 301R - YS#6150 270R - YS#4986
R104 510R - YS#4691 681R - YS#4743
R116 1K - YS#4934 100R - YS#4921
R143 15K - YS#4979 6K19 - YS#4717
R144 180R - YS#4819 270R - YS#4986
C59 68N - YS#5226 47N - YS#5224
C61 33N - YS#5222 47N - YS#5224
C145 18N - YS#5207 33N - YS#5222
C146 27N - YS#5215 68N - YS#5226
2. NOTE THAT THERE ARE SEVERAL LINES ON THE DSBOTMASK LAYER.
THESE MAY BE USED FOR MARCONI TEST POINTS SO HAVE THIS LAYER
ON IF DOING ANY MODIFICATIONS.
3.MAKE SURE TO RTV ALL LARGE CAPACITORS TO SOMETHING CLOSE
**************IMPORTANT******************
4. ADD AMPLE RTV UNDER ENTIRE BASE OF OUTPUT COIL L1
5. LEADS FOR 5 WATT RESISTORS MUST BE BENT ON THE MACHINE
LEAD LOOP MUST NOT BE ABOVE TOP OF RESISTOR
6. FIT #8921 FLAT WASHER BETWEEN #3501 BELL WASHER AND #8667 SHOULDER
WASHER FOR Q2, Q10, U30 AND U31
7. PCBSA: ENSURE THAT #5862 CAP LEADS ARE PROPERLY INSERTED
(DO NOT PUT LEADS INTO RTV HOLES!)
WITHOUT CROWBAR
N.A.
TRANSFORMER CH1254 CH1254E CH1254
FUSE F1
#2410 #2470
F4A F2A
5 WATT
WITH CROWBAR
CE N.A. CE
CH1254E
#2410 #2482
F4A F3.15A
8. M1309 B PARTS REFERENCE TABLE