NEC NEAX 2000 IPS Maintenance Manual page 234

A
LCD does not display any informa-
tion
No Tone Ringer
END
CHAPTER 2 TROUBLESHOOTING
FAULT DIAGNOSIS AND TROUBLESHOOTING
(1) Adjust Display contrast.
CHECK
term
(1) D
REPLACE
(2) DLC card
(1) System Data Programming for D
CHECK
Tone Ringer: CM90 Y=01
(2) Adjust Ringer Volume on D
term
(1) D
REPLACE
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term
term
.
NWA-008847-001 Rev.3.0
a6ch2001.fm