Table of Contents
Advertisement
1
2
3
A
GENERAL ASSEMBLY INSTRUCTIONS
1. Bend leads on hand placed parts in direction of pad and cut short to less than length of pad.
No exceptions unless approved by Production Engineering.
B
2. Any clinch parts with longer leads than the length of the pad must be cut shorter either prior to
wave-soldering or afterwards in PCB finishing. No exceptions unless approved by Production Engineering.
3. After Wave apply RTV to all holes indicated and all larger and between tall capacitors.
C
4. Before tightening screw 8832 on xstr spring 4249 ensure that it is aligned with Q4.
Also silpad 4124 should overhang the edge of the heatsink. See picture below.
D
E
MOUNTING HARDWARE INSTRUCTIONS FOR HEAT SPREADER Z1740:
1. First install #8742 screw to align heatspreader Z1740
2. Install all devices, shown in pictures below, on Heat Spreader
TOP VIEW:
MOUNTING HARDWARE FOR Q203/Q205:
F
G
Q205
H
I
ADD GOOP ON BOTH SIDES OF CERAMIC INSULATORS
1st HEATSINK ALIGNMENT SCREW
J
YS#: 8742
DESC: #4-40X3/8
K
1
2
3
4
5
6
7
PCB ASSEMBLY DOCUMENTATION
YS#:8761
DESC: #6-32X1/2"
YS#: 8800
Q203
DESC: #6 KEPS NUT
YS#: 8902
DESC: 4-40X3/4 PAN
YS#: 8485
DESC: #6 ZINC WASHER
YS#: 4233
DESC: CERAMIC INSULATOR
IMPORTANT!
4
5
6
7
8
9
10
YS#: 8832
DESC: 6-32X1/4 PAN TAPTITE
DESC: XSTR SPRING
Q4
YS#: Z1740
OVERHANG SILPAD
DESC: HEAT SPREADER
YS#: 4124
DESC: 1.1x0.82" SIL PAD
SEE NOTE 4.
BOTTOM VIEW:
8
9
10
11
12
13
RTV INSTRUCTIONS:
ADD RTV BETWEEN:
C12, C13, C14, AND C15 AFTER WAVE
SOLDER
YS#: 4249
YS#: 8701
DESC: 4-40 KEPS NUT
11
12
13
14
15
16
17
ADD RTV
Top of Coil L200
Ensure that all fastener nubs on tie wraps
are well below the top of the coil.
Assembly Documentation
Section:
SA315S
Product(s):
PCB#:
M1806
Rev#:
V03
EML Rev#:
01
Sheet
3
Of
Modified:
2019-05-23
File:
Assembly.SchDoc
Tmp Date:
14
15
16
17
A
B
C
D
E
F
G
H
I
J
K
3
Advertisement
Table of Contents
