•
Insert one 78L05 regulator (3 pin TO92 package) at
U1. Match the outline.
•
Insert four 2N5089 transistors (3 pin TO92 package) at
Q3, Q4, Q5, Q6 Match the outline. Install
•
Insert two 2-pin headers (no rib back) at H3, H4. Install
•
Insert Diode D3, 1N4148 at the D3 location. Install
•
Insert three 2-pin headers at J1, J3, J6. Install
•
Insert one 3-pin header at J4. Install
•
Insert two 4-pin headers at J2 and J5. Install
•
Insert two Power Tabs at H1 and H2. Solder one pin,
reheat and align perpendicular. Solder both pins of
each tab Install
•
Insert one Circuit breaker, CB1. Leave leads long.
Insert just the tips through the board. Install
•
Insert Inductor (Red 50 uh coil) at L4. Note that L4
leads are adjusted to fit the hole pattern. The ends are
not symmetrical. Install the bent lead to the right as
shown. Press the component flat on the circuit board.
Solder the pins, flush cut and re-solder the
connections. Install
•
Insert two 10K- potentiometers, VR1 and VR2, on the
board. The lead under the adjustment screw is inserted
in the square pad in the circuit outline. Do not bend the
leads. Solder one pin, reheat and align part
perpendicular and flat on the board. Solder all pins
Install
•
Turn the 25-turn potentiometers CCW at least 20 turns.
You will not hear a click and there is no mechanical
stop.
•
Install the 14 pin DIP socket for U2. Align the notch on
the socket with the notch shown on the component
outline. Solder one corner pin. Reflow connection while
pressing the socket flat. Solder the other corner pin.
Reflow the pin while pressing the socket flush. Solder
the remaining pins. Install
•
Insert U2, PIC16F688 Integrated Circuit in the socket
Install
•
Insert two relays at K2, K3. Do not bend or cut the
leads. Solder one corner pin. Reflow while pressing the
relay flat to the board. Solder the other corner pin.
Reheat pin as necessary to make the relay flat to the
board. Solder all pins Install
•
Insert two 330 uF Capacitor at C21 and C16. The long
lead (+) goes to the square pad of outline near the (+)
symbol on the board. Solder one pin, reflow and align
Summary of Contents for PackerAmp V4
Page 65: ...APPENDIX A www hfprojects com vstamps comcast net 281 467 9424 ...
Page 76: ......