Atari Lynx II User manual

ATTENTION !
Installing the LCD replacement is on your own risk! Your LYNX-II could be damaged,
if you are not able to do this modification!
Liability impossible!
Required materials:
LYNX-kit, VGA connector with screws, 18 wires round about 20 cm (8 inches) length
(IDE cable)
1. Step: Remove not needed Parts and 5 Volt check
ATTENTION !
Make sure that all power is
off
. Disconnect
ALL
cables.
1. Remove
VR1
trim potentiometer (if VGA connector is needed)
2. Remove
L17
coil
3. Remove
Q13
and
Q14
transistors
4. Remove
C55
and
C56
capicitors
5. Remove
T1
power module
!!! Now check the 5 Volt with a voltmeter on
VCC point
(see 3rd step). If the
voltage exceeds 5.45 Volt, repair your LYNX ! Otherwise the LYNX mod will
be
damaged
!!!
2. Step: VGA connector (if needed)
After that you solder the other side of
the wires to the LYNX mod.
Connect the pins 6, 7 and 8 together.
Solder 6 wires to the pins 1, 2, 3, 13,
14 and (6, 7, 8) to the VGA connector.
LYNX-II LCD Replacement MOD REV2.0
(see picture below)
!!! Use hot glue for the internal screws of VGA connector. Otherwise the screws may cause short circuit !!!
Quick Guide
COPYRIGHT McWill 2014 - 2015

3. Step: Power and backlight button
Now solder one wire to
VCC
(+5 Volt) and one wire to
GND
(Ground)
.
The wire of the
backlight
has to be soldered to
U11
(74HC74A) on
pin 2.
Power
(VCC and GND)
!!! ATTENTION !!!
Don't damage the flexcable (FPC) of the LCD !
You may disconnect the FPC, but don't forget
connecting it correct after soldering
GND.
BACKLIGHT
-
pin 4
on the right
If you
DON'T
want to install the VGA connector
you can solder 1 wire from
MENU pin 1
on the
left to
GND.
Then you only have two selectable
modes (only internal LCD) by pressing the
backlight button. Otherwise:
1.
Internal LCD;
2.
Same as 1 with retro-style
3.
VGA;
4.
VGA with scanlines
4. Step: Soldering data lines
LYNX-II mod
. After that solder the other
side of the wires to the
LYNX-II
.
You can use
RES
or
TPR
, not both together !
For LYNX-II with chipset 1 (
C104129-001
)
you have to use
TPR
(testpoint 27) only.
For using
TPR
jumper is
closed
, for using
RES
jumper is
open
!
Last step is to solder the last 9 wires. Above you can
see the
LYNX-II mod
and on the picture below you
can see the
LYNX-II
. First solder all 9 wires to the If you made everything correct, you'll love it!
COPYRIGHT McWill 2014 - 2015
!!! At last check all connections again !!!