© EK Japan 2005 TubeDepot.com
Before you solder, follow the cut line (grooved line) to break the circuit boards TU
There are grooved lines on both sides of the circuit board. Gently use the
2. Circuit Board Assembly
A
Circuit Board Assembly
Preparations before you begin
On the soldering side (side with copper foil) of circuit board
Solder plate the 2 holes with copper foils.
SG (2 places)
/
The line is on the side of K
D1
Marked on PCB
How to install
Resistor
R1,9,10,11,
R3,4,25,25 2k
R5,6,23 3.3
R7,8,15 120
R20,21,22 2.2M
Resistor
R16,18,19
R13,14 330
R17 3.3k
Marked
+,- indication
\
D2, 3
Marked on PCB How to install
Marked
How
C7, 8
220pF (with indication of 221)
Marked on PCB
How to install
Install from solder side (reverse side), total of 12
OPT1(L) P 3 pcs
OPT1(L) B 3 pcs
OPT2(R) P 3 pcs
OPT2(R) B 3 pcs
Install from the side with
FET G, D, S
Marked
Where the fuse holder (metal
fitting) is placed, please
a thick layer of solder plate on the
oval shaped copper foil.
1.
Diode (direction specific)
5
. Fuse holder
4
. Bridge Rectifier
(direction specific)
Please pay attention! It is
dangerous if the rectifier is not
installed properly.
Bend the legs on the back of the PCB
to prevent it from falling out when
soldering on the copper foil.
6
. Ceramic Capacitor
(non direction specific)
7
. Base pin
Before you solder
Follow the instructions step
have soldered each component.
When soldering, be sure to read “The Key to Soldering.”
TubeDepot.com [email protected] 1686 Barcrest Drive, Memphis, TN 38134
Install the metal oxide
film resistor 2-3mm above
the PCB to diffuse heat.
Before you solder, follow the cut line (grooved line) to break the circuit boards TU-879R A-E into individual pieces.
There are grooved lines on both sides of the circuit board. Gently use the edge of a table to break them.
On the soldering side (side with copper foil) of circuit board
A
, there are 3 holes with arrows indicated.
SG (2 places)
Resistor
(Carbon)
R1,9,10,11,12 330k
Ω
(Orange, Orange, Yellow, Gold)
R3,4,25,25 2k
Ω
(Red, Black, Red, Gold)
R5,6,23 3.3
Ω
(Orange, Orange, Gold, Gold)
R7,8,15 120
Ω
(Brown, Red, Brown, Gold)
R20,21,22 2.2M
Ω
(Red, Red, Green, Gold)
Resistor
(metal oxide film)
R16,18,19 15k
Ω
(2W)
R13,14 330
Ω
(3W)
R17 3.3k
Ω
(5W)
Marked on PCB How to install
Marked on PCB
How to install
(1)
Cut 7 strands of tin
(2)
Put a strand of tin
and bend to the shape in the image below. The
total length of the product should be 35mm. Use
long nose pliers to bend.
(not actual size)
(3)
Solder the jumper wires onto the PCB the same way as the resistors
Marked on PCB
How to install
Install from solder side (reverse side), total of 12
OPT1(L) P 3 pcs
OPT1(L) B 3 pcs
OPT2(R) P 3 pcs
OPT2(R) B 3 pcs
Install from the side with white printing, total of 3
FET G, D, S
Marked on PCB (FET only)
Where the fuse holder (metal
fitting) is placed, please pre-apply
a thick layer of solder plate on the
oval shaped copper foil.
2.
Resistor
(non-direction
3.
Jumper wire
Carbon resistor
. Fuse holder
(direction specific)
. Base pin
FUSE 1, 2
Follow the instructions step-by-step. Check off the box after you
have soldered each component.
When soldering, be sure to read “The Key to Soldering.”
Set the 5x20 GMA fuse to two fuse holders
and put the legs through the holes on the PCB
from the solder side.
Bend the legs using long nose pliers to
station it on the PCB. Take the 5X20 GMA
from the fuse holder and solder the fuse
holders onto the copper foil.
Reinstall the 5X20 GMA fuse after soldering.
FUSE1
→
0.3A FUSE2
→
2A
Caution: 12 pins are installed from the solder side (with copper foil)
and 3 pins are installed from the side with white printing.
Marked on PCB
Insert the pin
perpendicularly into
the hole on the PCB.
Always solder on the
solder side (reverse
side) regardless of
which side the pin is
inserted from.
1686 Barcrest Drive, Memphis, TN 38134
3
E into individual pieces.
J1-7
PCB
Cut 7 strands of tin-coated wire 6-7cm in length.
Put a strand of tin-coated wire into a plastic tube
the shape in the image below. The
total length of the product should be 35mm. Use
long nose pliers to bend.
Solder the jumper wires onto the PCB the same way as the resistors
Jumper wire
(non-direction specific)
to two fuse holders
s on the PCB
Bend the legs using long nose pliers to
5X20 GMA fuse
from the fuse holder and solder the fuse
fuse after soldering.
2A
Caution: 12 pins are installed from the solder side (with copper foil)
and 3 pins are installed from the side with white printing.
Always solder on the
Put the PCB on a
piece of cardboard
when installing the
pins. Use long nose
pliers to insert the pin.
Do not cut the
protruding base pin
after soldering.