Onkyo DX-C201 - Page 13

1B) evita |
18) Cea leh|
Press the play key or DISC KEY
Power switch ON
Traverse servo circuit
IC-102
IC-103
Traverse coil
Speed position sensor
Does PU move
toward the inner
circumference?
Piay operation key
System CPU
1C-401
Does indicator
illuminate?
Power circult
ac
.
>
Q1,
D6,
IC1
-
System
CPU
Does
“FL”
illuminate?
System
CPU
Is
mechanism
IC-401
1C-401,
IC2
activated?
Drive
IC
10-404
Motor
M451
Switch
$451
System
CPU
Sensor
Is
mechanism
IC-401
D451,
D452
reset
operation
Motor
functioned?
M451
Switch
$451
Read
the
TOC,
and
play
Sensor
operation
start
)
D451, D452
Stop position, and
“STANDBY?” is illuminate
TOC READ OPERATION - PLAY OPERATION
INDIVIDUAL CONDITIONS CONTROL BLOCK/MAJOR PART OBSERVATION POINTS
Ly
Does laser diode Optical Pick-up
illuminate? Laser diode
Control circuit
Yes IC-101, Q101
System CPU
tC-401
Is focus lens moved System CPU circuit
vertically for search {C-401
operation? Servo control circuit
(visual check) IC-101, 1C-102
Optical pickup
Focus coil
(none repairable)
System CPU circuit
1C-401
Spindle drive circuit
IC-351, IC2
Q351, Q352, Q353
DC spindle motor
Does spindle motor start
to rotate?
Yes