DYNACO Dynakit ST35 Anleitung für Montage und Betrieb Handbuch - Seite 5

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DYNACO Dynakit ST35 Anleitung für Montage und Betrieb Handbuch

1. Specifications

·Seven leads in 2,10- ....olt transformer PB-028. for

lI~C

outside the Unilt'd

States. Special instructions [01' in::ilaliinJ! PU·U28 bel!in at the ('on·

elusion of these instructions.

CIRCUIT BOARD (RIGHT)

RIGHT INPUT SOCKET

Mount the filter capacitor in the cutout provided.

First, look at the symbols stamped in the plastic

at the base of each connecting lug; these must be

oriented as shown in the pictorial diagram. Insert

the four mounting lugs of the capacitor in the slots

and then twist each of

moun ting lugs one-quarter

turn with a pliers while holding the capacitor snugly

against the chassis with your other hand.

Pass the leads of one of the output transformers

(marked Z-565) through the two holes provided in

the chassis. The orange, black and yellow leads go

through the hole closest to the center of the chassis,

as shown in the diagram. Mount the transformer

loosely with four #8 screws, nuts and lockwashers

(the largest size supplied). After adjusting its posi-

tion so that it is as close to the circuit board as

possible, tighten the screws.

Pass the leads of the other output transformer

(Z-565) through the two holes provided in the

chassis, again observing that the black, orange and

yellow leads go through the hole closest to the center

of the chassis. Mount the transformer loosely with

four sets of #8 hardware, position it as close to the

circuit board as possible, and tighten the screws.

Pass the leads of the power transformer (PA-774)

through the two holes provided at the center of the

chassis. A group of four leads go through the hole

nearest to the fuse holder, and five':' leads throllgh

the othel- hole. Mount the power transformer with

four sets of #8 hardware, but do not tighten the

screws immediately. First, center the power trans-

former so that it is evenly spaced between the two

output transformers. Then, tighten the screws.

Insert the rubber grommet in the hole in the chassis

through which the line cord is to pass.

9( )

7( )

8( )

IO( )

Pictorial Diagram

1: Top view of chassis.

CIRCUIT BOARD (LEFT)

LEFT INPUT SOCKET

CHECK PICTORIAL DIAGRAMS

1 AND #3

BEFORE AND AFTER DOING EACH STEP.

I ( ) Mount the two 3-screw terminal strips on the out-

side of the chassis in the cutouts provided, using

#4 screws, nuts and lockwashers (the smallest size

supplied). The pictorial diagram shows the correct

orientation of the terminal strips.

2 ( )

Mount

the fuse holder in its cutout, fastening it in

place with the circular brass threaded ring_ The rub-

ber washer goes on the outside of the chassis; by

maintaining pressure against the fuse holder from the

outside, with one hand, while tightening the brass

ring with the other hand, the fuse holder can be

mounted securely without tools. Be sure that the

fuse holder terminals are oriented exactly as shown

in the diagram. After mounting, terminal lug B

should be bent away from the body of the fuse

holder at the angle shown in the pictorial diagram.

3 ( ) Mount the 5-lug terminal strip on the side of the

chassis, as shown in the diagram, using a #4 screw,

lockwasher and nut.

4 ( ) Install the four sockets supplied for V-2, V-3, V-5

and V-6

011

top of the two PC-13 circuit boards. Note

that the sockets are not all installed in the same way;

pictorial diagram #2 shows the correct orientation

for each socket. Mount each socket with two sets

of #4 hardware. Do not over-tighten.

5( ) Mount the two PC-13 circuit boards in the rectangu-

lar cutouts at each end of the chassis; note that the

boards are mounted from the inside of the chassis.

Before mounting each board with four sets of

:it4

hardware, study the diagram to be sure that the

boards will be properly oriented on the chassis.

6 ( ) Install the two input sockets from the inside of the

chassis, using two sets of #4 hardware to mount

each socket. The long (center) lug of each socket

should be closest to the circuit board.

MECHANICAL ASSEMBLY

LEFT 3-SCREW TERMINAL STRIP

GROMMET

FUSE

RIGHT 3-SCREW TERMINAL STRIP

HOLDER

'2)

Z-565

OUTPUT

PA-774

OUTPUT

TRANSFORMER

POWER

TRANSFORMER

V-2

(LEFT)

TRANSFORMER

(RIGHT)

V-5

6BQ5@

6BQ5§

(Jj)

7247