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Atari Technical Bulletin
Number: LYNX-0002
Date: June 25, 1992
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Product(s) Affected:	LYNX II
Model:				LYNX II
Type of ATB:			As Needed
ECO#:				N/A

Reason for ATB:

To repair failures of the front panel controls on the LYNX II (joystick: Up, Down, Left and Right, and the two (2) A and B fire buttons).

Notes:

The Sub-PCB (flexible printed circuit board / keyboard) and Conductive Rubber Buttons, under the plastic key caps, can fail prematurely causing a switch closure, both when the switch is and is not depressed.

Symptoms of Problem:

Either the joystick and / or the A and B Fire Buttons do not respond properly when the game is being played.

Solution of Problem:

The LYNX II will have to be opened, in order to replace the Sub-PCB and the Conductive Rubber Buttons. The procedure is listed below :

1. Remove the bottom case
2. Disconnect all interconnections on the Printed Circuit Board
3. Remove LCD Assembly
4. Remove FPC Supporter Assembly
5. Completely disassemble the FPC Supporter
6. Remove all Rubber Guides and Rubber Contacts from the assembly
7. Remove Sub-PCB from the FPC Supporter
8. Replace new Sub-PCB on the FPC Supporter
9. Install new Rubber Contacts using the old Rubber Guides
10. Re-assemble the LYNX in the the opposite order of dis-asembly.
11. Using the Production Test Software, recheck all functions of the LYNX.

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Atari Technical Bulletin
Number: LYNX-0002
Date: June 25, 1992
Page 2 of 2


The FPC Supporter

The Sub-PCB and all the Rubber Contact will be replaced. Their Atari Part Numbers are listed below :

C104126-001     SUB PCB UNIT
C104144-001     RUBBER CONTACT F1
C104145-001     RUBBER CONTACT F2
C104146-001     RUBBER DONTACT D

The FPC Supporter and the Rubber Guides are reused for the rebuild process. Their Atari Part Numbers and Descriptions are listed below :

C104150-001     FPC SUPPORTER
C104153-001     RUBBER GUIDE F1
C104154-001     RUBBER GUIDE F2
C104155-001     RUBBER GUIDE D