137557-3 REV. B
PWA, MAIN/INPUT CE2000A
MDCE100
E.C.N
REV
DATE
DWN
PE
CM
05N0216
B
R605,R609, AND R610 WERE OPEN
04/25/05
TLM
BC
DSV
UNLESS OTHERWISE SPECIFIED, THIS PRINTED WIRING ASSEMBLY SHALL MEET
THE SPECIFICATION DESCRIBED IN IPC-A-610C CLASS 2 STANDARDS.
NOTES:
1. PRINTED WIRING BOARD PART NUMBER 137555-3.
2. SEE 137557-3_B.TIF FOR SCHEMATIC AND BOARD MAP
3. ALL LEADS SHALL BE TRIMMED TO 0.093" OR LESS.
4. POSITION COMPONENTS AS SHOWN ON COMPONENT MAP.
5. THE PRINTED WIRING ASSEMBLY PART NUMBER FOR THIS ASSEMBLY SHALL
BE MARKED ON THE PRINTED WIRING BOARD AND SHALL BE PERMANENT.
6. MAP LOCATIONS DENOTED BY AN ASTERISK (*), INDICATE COMPONENTS
MOUNTED ON THE BOTTOM SIDE OF THE PRINTED WIRING BOARD.
7. REMOVE SOLDER OR PREVENT SOLDER FROM ACCUMULATING IN HOLE.
8. CONNECT THE WIRES THAT COME FROM HS2 AND HS4 TO WP4 AND WP5 RESPECTIVELY.
9. INSTALLATION OF U106 AND U206 IS AS FOLLOWS:
A. BEND TRANSISTOR AT 90 DEG. FLAT SIDE DOWN
B. PLACE TRANSISTOR INTO THE PWB AS SHOWN ON THE COMPONENT MAP DETAIL B
C. MIX OUTPUT EPOXY (125482-1) AND ACCELERATOR (125483-1) TOGETHER. APPLY THE MIXTURE
TO THE TRANSISTOR AND HEATSINK. THE MIXTURE MUST FILL THE HEATSINK HOLE AND THE
LEADS OF THE DEVICE, ESPECIALLY THE CENTER LEAD. (NOTE: NO VISIBLE AIR GAPS
AROUND THE TRANSISTOR AND THE TRANSISTOR LEADS CANNOT TOUCH THE HEATSINK)
D. HOLD THE TRANSISTOR AGAINST THE HEATSINK UNTIL EPOXY SETS-UP.
10. TORQUE 6-32 HEX NUTS (CPN 132491-1) AS FOLLOWS:
A. PRE-WAVE TORQUE OF 13-15 INCH LBS.
11. INSTALL J3 CONNECTOR AS SHOWN ON COMPONENT MAP.
12. INSTALL SHUNT (C 6419-3) OVER ONE PIN ONLY OF P1 AND P2 AS SHOWN ON COMPONENT MAP
13. APPLY CLEAR SILICONE (126825-1) OVER Q104 AND HS2, AND Q204 AND HS4 TO FORM A
SILICONE CAP OVER THE COMPONENTS.
14. ON FASTON TABS, CPN 101031-1, THE COMPONENT SIDE MUST HAVE A MINIMUM OF 50% OF
THE ORIGINAL LAND COVERED WITH WETTED SOLDER. THIS IS IN ADDITION TO THE IPC-A-610
REQUIREMENTS.
DWN
KLW
01/28/05
PE
BC
01/28/05
CM
DSV
02/02/05
DIST.
K
REVISION HISTORY
DESCRIPTION
A
INITIAL RELEASE DERIVED FROM 137557-2 REV 1 WITH THE
FOLLOWING CHANGES. DELETED C27, R278, HW37, HW38,
AND W4. ADDED D132, D133, D232, D233, S2, U1X, AND U2X.
C1 WAS A11427-102K2. C221 WAS C10196-1. D114, D115,
D214, AND D215 WERE 137615-1. J7 WAS 101572-1. P3 AND
P4 WERE 130940-1. PWB1 WAS 137555-2. R1 WAS A11368-
10011. R19 WAS A11371-3313. R138 AND R238 WERE A11371-
1213. R274 WAS A11368-60432. R605, R609, AND R610
WERE A11371-1501. TP15, TP38, AND TP39 WERE 138063-1.
01/28/05 KLW
BC
DSV
UNCONTROLLED
UNLESS OTHERWISE MARKED IN RED INK BY CM AS A CONTROLLED COPY, COPIES OF THESE DOCUMENTS
INCLUDING ASSOCIATED ELECTRONIC REPRODUCTIONS ARE FOR REFERENCE ONLY
THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF CROWN INTERNATIONAL, INC. AND SHALL NOT BE
REPRODUCED, COPIED, OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES
WITHOUT PERMISSION.
137557-3_B.xls
R04.1CDE-004_(Fm) JAW 10/6/01
CROWN AUDIO, INC. ELKHART, IN.
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