Brother LX-200 Service Manual page 162

4
An error occurred during processing after power ON (after film feed).
a. Defective film or cartridge.
b. Defective film feed detector (TPS) switch.
c. Defective film feed system.
Problem Check Item
a. Defective film or Is the film cartridge correctly
cartridge mounted?
Does film remain in the
cartridge?
Is the cartridge deformed or
cracked?
b. Defective film Is the orange lead connector
feed detector connected to CN15 on the
(TPS) switch. Main PCB?
Does the sensor lever press
the film feed detector (TPS)
switch (leaf switch F assy)
when film is inserted?
Is the leaf switch open when
no film is inserted?
Is main CPU port P60 (Pin
56) at High level when leaf
switch TPS is open?
When leaf switch TPS is
shorted, is CN15 on the Main
PCB shorted?
Is main CPU port P60 (Pin
56) at Low level when CN15
on the Main PCB is shorted?
When main CPU port P60
(Pin 56) is at Low level, is this
recognized by the main
CPU?
c. Defective film Defective film feed (LF)
feed system motor.
Defective film compression
system.
Cause
Defective film cartridge Correctly mount the
mounting. film cartridge.
No film remaining. Replace the film.
Defective cartridge. Replace the
cartridge.
Leaf switch assy not Correctly connect the
connected. leaf switch assy.
Incorrectly installed leaf Correctly install the
switch. leaf switch.
Incorrectly installed Correctly install the
sensor lever. sensor lever.
Defective sensor lever. Replace the sensor
lever.
Continuity problem in Replace Main PCB
Main PCB. assy.
Defective pull-up Replace Main PCB
resistor R41. assy.
Defective leaf-switch F Replace leaf-switch F
assy. assy.
Continuity problem in Replace Main PCB
Main PCB. assy.
Defective series Replace Main PCB
resistor R35. assy.
Defective main CPU#1. Replace Main PCB
assy.
See Abnormal manual feed .
5
7-10
Remedy Repair
Replace R41.
Replace R35.
Replace
CPU#1.
See
Section
3.2
3.3.3
3.3.4
3.3.5
3.3.1
3.3.3
3.3.4
3.3.5
3.4
3.12.2
3.3.3
3.3.4
3.3.5
3.5.1
3.3.1
3.3.3
3.3.4
3.3.5
3.4
3.12.2
3.3.3
3.3.4
3.3.5
3.5.1