8783 SCREW
8783 SCREW
SEE LAYOUT DIAGRAM
PIC. 1 - SEE NOTE 8
M1350
PRODUCTION NOTES
DB300 M1350
1_ Q10, Q20 ,R100 , R101 , R114 , R160 ARE HAND INSERTED.
2_ ADD THERMAL JOINT COMPOUND (GOOP)
-BETWEEN INNER AND OUTER HEATSINK.
-MOUNT HEATSINK TO PCB USING TWO #8829 SCREWS.
3_BREAK THE CONNECTION OF XLR J4 SEE PICTURE.
4_MOUNT Q11 WITH #8870 SCREW.
5_USE #8663 SPACER ON R198 BOTTOM LEG.
6_MOUNT ONE OF #4056 FAN CONNECTOR W1 OR W45.
7_INSERT PUSHBUTTON KNOB ON SWITCH S2, S6, S7 AND S8
BEFORE INSERTING NTO PCB. USE JIG AS SHOWN IN PIC. 1
8_DO NOT STUFF P7, J10, U14, R102 OR C32 FOR DB300H
9_INSERT JUMPER IN PIN 2 AND PIN 3 OF P7 FOR DB300H
10_PCBSA: DO NOT BREAK OUT BOARD BEFORE TESTING.
Remove this
piece.
Break this
connection here.
PCB
Sil pad
Inner heatsink
Outer heatsink
8581
TO220 parts
8841
3977 - Yellow spring
Inner heatsink
8581
Outer heatsink
TO218 parts
Sil pad
8841
PCB
3719 - Spring
R102
C32
J10
P7
U14
DB300
INSERTED
INSERTED
INSERTED
INSERTED
INSERTED
DB300T
INSERTED
INSERTED
INSERTED
INSERTED
INSERTED
DB300H
DNS
DNS
DNS
DNS
DNS
Summary of Contents for Trainor DB300
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