Crown D-150 - Cleaning and Maintenance

Ne
twopanel washers
4. Remove twoscrews (7), one solder tug!
from. ie filter @) (8) and. two fiber shoulder. washers.
capacitor terminals.
5. Remove defective iter capacitor (C23, or 24) from the
chassis.
6. ae eter capac poston and replace harder
.. removed in. Step 4. .
7, Réconnect Faiton connector ® @ to fier capacitor
terminals.
8. Replace transformer cover and transformer wrap-around
“(paragraph 5.4.1, Step 3).
9. Replace bottom cover (paragraph § 4.1, step).
5.4.8 Replacement of Output Inductors,
Replace and-L202
Referté Figure 65.
om
cover
(paragraph
6.4.1,
Step
2),
2.
Remove
board
and
electronics
cover
(naragraph
54.1,
Step
4).
_ 3. Unsoler one end of brown collwire (2) from the output bind-
‘ing post terminal eS a driver
transistor terminal. . 2
hex nut 7), star washer (6) vaper®
output coil toroid core and brown wire C1)
5. Place ‘ew ‘output Coll toroid core and new brown wire in
position and. replace hardware removed-in Step 4:
6: Soldier ong ene sf brown coil witeQ to the output Binding post
terminal
and
the
other
,
Snd-to
the
adjacent
driver
transistor
tarininal:
7. Replace boarcl and electronics cover (paragraph. 4. 1, Step 4).
_.8.. Replace bottom cover (paragraph 5.4.1, Step 2).
Refer to Figure 6-2.
ds Remove bottom:-cover (paragraph: 5.4.1, Step.
4 frie ies) Gtr noe as een a
: .Mlove hardware shown and the defective tra
transisior Case and the chassis wih a” Thedt-condcting
compound (06-340).
9
6. Install new transistor and tighten a ai
assure good heatsinking.
7. Resolder wires and corriponent feeds te femoved from transistor
terminals in Step 3 above.
8. Replace board and electronics c cover er (paragraph 54.1, step4).
9. Replace bottom cover: (paragraph 5.4.1, Stap.2).
5.4.10 Replacement of Power Transformer, T-1
1. Remove bottam cover (paragraph 5.4ck, Step 2) or
Be Penis Neate ee “Over an Seanetorneer wrap-around
‘(Paragraph 5.4.1, Step. 3).
3. Desi cei trailor nae wat pas through the
ee calalne iia salloh coenentoes edie DML:ter.
“ninalsandremove Faston connectors: > @ fromthe
red wires.
b. One yellow wire; unsoiderfrom solder. tug(@)atiunction ‘of
capacitors.C23.and.C24..
¢ One black and one white wire; unsolderfromterminal strip
d.. One black/red wire agd one black/white wire:iunsolder
__: from terminal strip i
4, Pull alt wires back through hole'in chassis:
§. Remove hardware: securing transformer-T1.to the chassis.
2 — =
7 Cut feads.on ou Unestsenar Ti tosame ene as those on
the transformer being replaced. r
8. Place new banstonmer TE pil iad ha hes
10. Connéet | seven transformer wires to destinations shown in
Step 3,
7 é transformer cover’ arid tansformer Wrap-around
(paragraph 6. 4, 1, Step 3).
12. Replace bottom cover (paragraph $41; Step 2)