User Guide

PAMS
Technical Documentation
RAE-3
8. Troubleshooting
Page 8 – 89
Issue 1 06/01
Measure
V5Y(Fig.85)
and VCCY
(Fig.86)
YES
NO
Measure
FRYS(Fig.84)
OK?
Display ASIC
fault
Check
components
between FRYS,
V5Y and VCCY
YES
Measure
VOY(Fig.85)
OK?
NO
Measure
VDD, it
should be
~3.8V
OK?
NO
Measure
DD_P2
(Fig.86)
Check
components
V060, R079 and
C064
YES
NO
YES
Check
components
C076,V072,
N050, C075 and
C101
Display ASIC
fault
Measure
DY(Fig.90)
FRY(Fig.91)
YSCL(Fig.92)
XINH(Fig.93)
YES
DY OK?
NO
YES
Measure
DY_A
(Fig.91) and
XSET(should
be 2.8V)
OK?
NO
Display ASIC
fault
Check
components
V050,R051,R050
, V052,
R053,D050,V051
R055
YES
FRY, YSCL,
XINH OK?
NO
YES
Measure
FRY_A (fig.92)
YSCL_A (fig.93)
XINH_A
(2.8V) OK?
NO
Check
components
C051,R054,R052,
Display ASIC
fault
YES
Measure
XSCL
(Fig.94)
OK?
YES
NO
Display ASIC
fault
See section 4
Start Section 2
OK?
OK?
and
D050, C052, D051
D052, R056, V053
V054, C054, C055
R059, R064, R058, R061
Figure 76.
NO