IS BEEP
CORRECT?
FIT NEW BATTERY.
SWITCH ON
SUSPECT PAGER
IS DISPLAY
CORRECT?
NO
YES
IS DISPLAY
BLANK OR
FLASHING?
FLASHING
BLANK
CORRUPTED
EEPROM.
RE-PROGRAMME
IS LED
CORRECT?
NO
YES
IS BEEP
CORRECT?
NO
YES
NO
YES
IS BEEP
CORRECT?
IS BEEP
CORRECT?
NO
YES
NO
YES
IS LED
CORRECT?
NO
YES
DECASE AND
CHECK:
DISPLAY
MODULE, V
DD
2,
V
DD
, TR17, D3,
IC3
DECASE AND
CHECK:
DISPLAY
MODULE, V
DD
2,
TR20, TR24, IC2,
IC3, L3
DECASE AND
CHECK:
1V5, V
DD
2,
GATE ARRAY,
µ
P, EEPROM.
FOLLOW
TABLE 5
DECASE AND
CHECK:
DISPLAY
MODULE, V
DD
2,
INTER-
CONNECTIONS,
IC3
DECASE AND
CHECK:
D3, TR17, IC3
PLACE IN
P637 AND
SEND CALL
DECASE AND
CHECK:
IC2
DECASE AND
CHECK:
L3, TR20,
TR24, IC2
B
RPR 550IS Series
TM1188 Issue 1
Page 5 - 10
Figure 4: Fault-Finding Guide
Summary of Contents for RPR 551IS
Page 10: ...RPR 550IS Series TM1188 Issue 1 AL2 Oct 98 Page viii INTENTIONALLY BLANK...
Page 20: ...RPR 550IS Series TM1188 Issue 1 Page 1 10 INTENTIONALLY BLANK...
Page 36: ...RPR 550IS Series TM1188 Issue 1 Page 2 16 INTENTIONALLY BLANK...
Page 70: ...RPR 550IS Series Page 4 2 TM1188 Issue 1 INTENTIONALLY BLANK...
Page 77: ...PSG 10444 1 RPR 550IS Series TM1188 Issue 1 Page 5 7 Figure 2 Case Removal...
Page 125: ...TM1188 Issue 1 AL2 Oct 98 Figure 4 RPR 552IS Radio Board Circuit Diagram Page 7 9 10...
Page 126: ...TM1188 Issue 1 AL2 Oct 98 Figure 10 RPR 550IS Main Board Circuit Diagram Radio Page 7 21 22...
Page 127: ...TM1188 Issue 1 AL2 Oct 98 Figure 11 RPR 550IS Main Board Circuit Diagram Radio Page 7 23 24...