YORKVILLE NX750P -, Руководство по обслуживанию

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#3535
NSL-32SR2
NSL-32SR2
5 WATT
#3790
**************IMPORTANT******************
5. LEADS FOR 5 WATT RESISTORS MUST BE BENT ON THE MACHINE
LEAD LOOP MUST NOT BE ABOVE TOP OF RESISTOR
4. ADD AMPLE RTV UNDER ENTIRE BASE OF OUTPUT COIL L1
3. SLIDE EMI FILTER OVER RIBBON BEFORE INSERTING INTO P.C.B.
7. AUTO INSERT DO NOT STUFF R21
BOARD ASSEMBLY, PUT #6125 18K 1/4W
PHOTO 1 U15 PHOTO 2 U23
6. FIT #8921 FLAT WASHER BETWEEN #3501 BELL WASHER AND #8667 SHOULDER
WASHER FOR Q2, Q10 U30 AND U31
REPLACEMENT TABLE
10. M1231, PARTS REPLACEMENT TABLE
PRODUCTION NOTES
1. 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.
2.MAKE SURE TO RTV ALL LARGE
CAPACITORS TO SOMETHING CLOSE
11. M1231B, U15 AND U23 ARE HAND INSERTED
AFTER WAVE SOLDERING, PUT OPTOCOUPLERS
AS SHOWN IN THE PHOTOS.
SEE LAYOUT DIAGRAM
{Value}
FREE PAD
FREE PAD
8. PC7453, RESTORE HORN LIMITTER, CHECK THE PRODUCTION
NOTES ON NEXT PAGE, PAGE 3.
THIS IS ONLY FOR NORTH AMERICA UNITS.
9. PC7398, ADD CROWBAR CIRCUIT AND CHANGE THE FUSE VALUE
AT THE SAME TIME.
WITHOUT CROWBAR WITH CROWBAR
N.A. CE N.A. CE
XFRM
FUSE F1
CH1337
#2465
F 7A
CH1337E
#2482
F3.15A
CH1337
#2465
F 7A
CH1337E
#2479
F 5A