Service manual

2-12 June 21,2004
DECODER NP88 FLEX
Troubleshooting
Good Power-up Alert, but DOES NOT Page
1. Ensure receiver connection is clean and free of debris.
2. For waveform checks:
a. Place the pager in receiver diagnostic mode.
b. Connect the decoder t o a known-good receiver with a receiver/decoder
interconnect cable.
Figure 2-12. FLEX Decoder Troubleshooting
Flowchart - Does Not Page
OK
OK
FAIL
REPROGRAM THE CODE
PLUG OR ENCODER
DOES NOT PAGE
CHECK CODE-
AND DATA POLARITY.
SEE NOTE.
HAVE PROPER CODE
PLUG AND ENCODER
NOTE: THIS PAGER DOES NOT
REQUIRE DATA INVERSION, BUT
CAN BE CONFIGURED FOR
INVERSION DUE TO TERMINAL
REQUIREMENTS.
REPLACE SUPPORT
MODULE
REPLACE DECODER
BOARD