Panasonic KX-W50TH Service Manual page 31

(KX-W50TH only)
NO
• Check MODE, KB, PITCH
L.SPACE switches
• Check the connector
(CN102)
• Check the CPU periphery
NO
•Check+ , x, -,
+, =
switches
• Check the connector
(CN103)
• Check CPU periphery
Function keyboard
and keyboard problem
Set Calculation
mode
• Check the keyboard switch.
• Check the connector (CN101)
• Check the CPU periphery
- 52 -
YES
Re-check
(KX-W60TH only)
NO
• Check the PRINT switch
• Check the connector (CN103)
• Check the CPU periphery
NO
• Check MODE, KB, PITCH
L. SPACE switches
• Check the connector (CN 102)
• Check the CPU periphery
Function Key and
Keyboard problem
Press TEXT switch
YES
YES
Are
ODE, KB, Pl
L. SPACE swit
okay
YES
Is
the Keyboard
mat rix correct?
NO
• Check the Keyboard switch
NO
YES
• Check the connector (CN101)
• Check the CPU periphery
-53-
YES
Check the TEXT LED
NO
• Check the TEXT switch
• Check the connector
(CN103)
• Check the CPU periphery
Re-check