7-23
15
Buzzer does not sound.
a. Defective buzzer circuit.
Problem
Check Item
Cause
Remedy
Repair
See
Section
a. Defective
buzzer circuit
Are 4kHz pulses output from
DV0 (20 pin) on main
CPU#1?
Defective main CPU#1.
Replace Main PCB
assy.
Replace
CPU#1.
3.3.3
Are correct voltages applied
across buzzer BZ1?
Defective resistors R82
and R83.
Replace Main PCB
assy.
Replace R82
and R83.
3.3.4
3.3.5
Buzzer BZ1 does not sound?
Defective buzzer BZ1.
Replace Main PCB
assy.
Replace BZ1.
3.5.1
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 ...