General Mounting Instructions.
Getting started !
1..Remove the crystal unit in Your CD player. To do this You may have to unmount a PC board, and/or unplug some wire connectors. Be sure to draw a sketch of where each wire connector fits in again, or check if they can only go in one way, as in most players.
2..Remove two capacitors placed right next to the crystal unit, they are marked with something like: 10, 12, 15, 100 or 1000. These two parts are placed within a 2 cm / 1" range of the crystal, They have a printed number on the PC Board, starting with C, i.e. C102. You can't mistake them for anything else.
3..The point on the PC board, where the two capacitors You just removed, connect together, is the GND. Connect LClock GND to this point. GND is clearly marked on the LClock unit.
4..A 500 Ohm resistor is connected from Out to Gnd on the LClock You have. Cut the Gnd side of this resistor leaving only 3-4 mm. wire on the resistor. Connect the free end of the resistor to any of the two solderpads where the crystal unit was just unsoldered from the CD player PCB.
5..Connect LClock's red wire to a 12V power supply. Most machines have
an 7812 voltage regulator in them, connect the red wire to the right hand
(output) pin, when viewing the '7812' text correctly. An 7805 can also
be used to connect the red wire, but in this case, use the left hand (input)
pin, when viewing the '7805' text right. LClock has it's own on board precision
voltage regulator. Therefore any voltage between 8 and 20 Volts is appropriate
for running the unit. You could just use a multimeter to locate a power
source for LClock, (Draws 10-12 mA DC).
7..When the machine seems to be in working order, remove the 500 Ohm resistor, and connect the LClock Out directly to the right crystal solder pad. (Where the CD player was functioning correctly).
8..Fit screws and connector wires back in, put a CD in and check the CD player by listening to some well known music.
9..Adjust the (20 turn) trimmer on LClock, turn it a few revs counterclockwise, and then twice as many revs clockwise. If no loud noise is heard, just turn it back to a position in between, and leave it. Else find an interval on the trimmer where the sound is clean, and does not break up. Set the trimmer in the middle of the usable interval.
10..There is no sonic performance gain in setting the trimmer to a precise position. If it works it works perfectly.
11..Put Your machine back together, the optimal performance will occur after approximately 48 hours with power on the CD player, (no need to play all the time).