7-21
14
Cartridge size, film type cannot be detected correctly.
a. Defective cartridge type detector (CSIZE4) switch.
b. Defective cartridge type detector (CSIZE3) switch.
Problem Check
Item
Cause Remedy
Repair
See
Section
Is the yellow lead connector
connected to CN7 on the
main PCB?
Leaf switch assy not
connected.
Correctly connect
the leaf switch assy.
3.3.3
3.3.4
3.3.5
Is the cartridge leaf switch
CSIZE4 pressed when an
A4 cartridge is inserted?
Incorrectly installed
leaf switch assy.
Correctly install the
leaf switch assy.
3.3.1
3.3.3
3.3.4
3.3.5
3.4
3.17
Is the cartridge leaf switch
CSIZE4 not pressed when
an A4 cartridge is inserted?
Incorrectly inserted
cartridge?
Re-insert the
cartridge.
6.2
Is the cartridge leaf switch
CSIZE4 not pressed when
an A6 cartridge is inserted?
Incorrectly installed
leaf switch assy.
Correctly install the
leaf switch assy.
3.3.1
3.3.3
3.3.4
3.3.5
3.4
3.17
Conductivity problem
in Main PCB.
Replace Main PCB
assy.
3.3.3
3.3.4
3.3.5
Is main CPU port P20 (Pin
8) at High level when leaf
switch CSIZE4 is open?
Defective pull-up
resistor R61.
Replace Main PCB
assy.
Replace R61.
3.4.2
3.5.1
When leaf switch CSIZE4 is
shorted, is CN7 on the Main
PCB shorted?
Defective leaf switch
assy.
Replace leaf switch
C4 assy.
3.3.1
3.3.3
3.3.4
3.3.5
3.4
3.17
Conductivity problem
in Main PCB.
Replace Main PCB
assy.
Is main CPU port P20 (Pin
8) at Low level when CN7
on the Main PCB is
shorted?
Defective series
resistor R65.
Replace Main PCB
assy.
Replace R65.
a. Defective
cartridge type
detector
(CSIZE4)
switch
When main CPU port P20
(Pin 8) is at Low level, is
this recognized by the main
CPU?
Defective main
CPU#3.
Replace Main PCB
assy.
Replace
CPU#3.
3.3.3
3.3.4
3.3.5
3.4.2
3.5.1
Содержание LX-1200
Страница 1: ...SERVICE MANUAL MODEL LX 1200 LX 300 ...
Страница 2: ...COOL LAMINATOR SERVICE MANUAL MODEL LX 1200 LX 300 ...
Страница 5: ...Chapter 1 SPECIFICATIONS ...
Страница 9: ...Chapter 2 MECHANISMS ...
Страница 20: ...Chapter 3 DISASSEMBLY PROCEDURES ...
Страница 58: ...Chapter 4 ASSEMBLY PROCEDURES ...
Страница 105: ...Chapter 5 ELECTRONIC CONTROLLERS ...
Страница 127: ...Chapter 6 MAINTENANCE ...
Страница 149: ...Chapter 7 TROUBLESHOOTING ...
Страница 174: ...APP 1 Appendix Main PCB Circuit Diagram ...
Страница 175: ...July 2000 86S006BE0 Printed in Japan ...