7-8
3
An error occurred during processing after power ON (before film feed).
a. Ab24V DC supply
b. Abnormal DC input voltage.
c. Abnormal X-cutter power ON processing.
d. Abnormal Y-carriage power ON processing.
e. Abnormal Y-cutter power ON processing.
Problem
Check Item
Cause
Remedy
Repair
See
Section
a. Ab24V
DC supply
Is +24V DC voltage at ±0V?
Coil L1 discharged.
Replace Main PCB
assy.
Replace L1.
3.3.3
3.3.4
Continuity problem with
diode D2.
Replace Main PCB
assy.
Replace D2.
3.3.5
3.5.1
Does +24V DC voltage
exceed 24 V, at the same
level as the AC adaptor
output voltage (at rated AC
input)?
Defective AC adaptor.
Replace AC adaptor.
−−−
Is power supply IC#6 pin 7
switching?
Defective power supply
IC#6.
Replace Main PCB
assy.
Replace
IC#6.
Is transistor Q8 collector
voltage switching between 0
V and input voltage?
Defective transistor Q8. Replace Main PCB
assy.
Replace Q8.
3.3.3
Defective transistor Q9. Replace Main PCB
assy.
Replace Q9.
3.3.4
3.3.5
Is transistor Q5 collector
voltage switching between
+24 V and 0 V?
Defective transistor Q5. Replace Main PCB
assy.
Replace Q5.
3.5.1
b. Abnormal DC
input voltage
Is input voltage from AC
adaptor between 16 V and 23
V (at rated input)?
Defective AC adaptor.
Replace AC adaptor.
−−−
If AC adaptor input voltage is
equal or below 23 V, is main
CPU port P66 (Pin 62) at
High level?
Defective transistor Q7. Replace Main PCB
assy.
Replace Q7.
If AC adaptor input voltage is
equal or above 16 V, is main
CPU port P67 (Pin 63) at
Low level?
Defective transistor Q6. Replace Main PCB
assy.
Replace Q6.
3.3.3
3.3.4
3.3.5
3.5.1
Defective Zener diode
ZD1.
Replace Main PCB
assy.
Replace ZD1.
c. Abnormal X-
cutter power
ON processing
X-cutter does not move at all? Foreign matter stuck in
cutter.
Clean out foreign
matter.
−−−
Defective X-cutter.
Replace the X-cutter
unit.
3.3.1
3.3.3
3.3.4
3.3.5
3.4
3.6.1
3.7.1
3.8.1
3.8.2
3.10
3.11.1
3.12.1
Error occurs during X-cutter
position detection?
See
7
Abnormal X-cutter operation.
Содержание LX-200
Страница 1: ...SERVICE MANUAL MODEL LX 200 LX 900 LX 910D REVISED EDITION May 2000 ...
Страница 4: ...Chapter 1 SPECIFICATIONS ...
Страница 8: ...Chapter 2 MECHANISMS ...
Страница 18: ...Chapter 3 DISASSEMBLY PROCEDURES ...
Страница 60: ...Chapter 4 REASSEMBLY PROCEDURES ...
Страница 107: ...Chapter 5 ELECTRONIC CONTROLLERS ...
Страница 128: ...Chapter 6 MAINTENANCE ...
Страница 137: ...6 8 Y Diversion Lever E two positions Ring Y cutter guide shaft Y diversion lever assy Fig 6 1 14 Y Diversion Lever ...
Страница 151: ...Chapter 7 TROUBLESHOOTING ...
Страница 176: ...APP 1 Appendix Main PCB Circuit Diagram ...
Страница 177: ...May 2000 86S004BE3 Printed in Japan ...