The board is not intented to be repaired on component level.
Circuit Diagram and Printed Circuit Board drawings
are published for orientation only.
In case of defects please replace the entire board.
The board can be ordered with codenumber "9940 000 02868" for /21/21M/37.
"9940 000 02869" for /22/25.
7-1
7-1
KEY BOARD
LAYOUT DIAGRAM - OPEN/CLOSE BOARD
TOP SIDE
LAYOUT DIAGRAM - OPEN/CLOSE BOARD
BOTTOM SIDE
LAYOUT DIAGRAM - VOLUME BOARD
TOP SIDE
LAYOUT DIAGRAM - VOLUME BOARD
BOTTOM SIDE