Elmo st-I200 - Page 28

E. SOUND
Case Step Point Remark
Neither optical nor
magnetic recorded
film cannot be
reproduced
AMP assy
(P7-j)
Check whether the input connecting pin to
AMP assy or 12P connector has been
disconnected.
Fuse
(P7-27)
Check the breakage of Midget fuse 2A for AMP
input.
P-8
Speaker
(P2-62)
If Speaker connector is not in contact with
contact late of AMP assy, bend Speaker
connector to make contact.
Check the breakage of Speaker itself.
If so, replace.
Optical recorded
film cannot be
reproduced
Exciter lamp
(P5-68)
Check whether Exciter lamp would be off
Exciter lamp socket assy as well as the
breakage of Exciter lamp itself.
P-17
Changing switch
(P5-46)
Check the breakage of Changing switch by a
tester. If so, replace.
P-16
Sound lens assy
(p5-81)
If Sound lens assy has bee misplaced due to
loosening of attaching screws for Sound lens
holder, adjust the position of Sound lens assy.
P-17
Silicon photo diode
(P5-77)
Check the br akage of the wire of Silicon photo
diode by a tester. If so, replace.
AMP assy
(P7-j)
Check the output voltages on Circuit plate in
comparison with the voltage checking points on
AMP circuit plate.
If the unusual voltage would be measured,
replace AMP assy.
P-34
Magnetic recorded
film cannot be
reproduced
Sound head
(P5-81)
Check whether Sound head either would be
tilted or extremely distorted and not touching
recorded track.
If so, adjust the position of Sound head and or
Head film guide.
P-18
Cancel coil
(P7-34)
Check the breakage of Cancel coil.
If so, replace.
Changing switch
(P5-46)
Check the brwakage of Changing switch by a
tester. If so, replace.
P-16
AMP assy
(P7-j)
Check the output voltages on Circuit plate in
comparison with the voltage checking points on
AMP circuit plate.
If the unusual voltage would be measured,
replace AMP assy.
P-34
- to be continued -
- 26 -