Samsung MAX-555 - Page 40

4.
Troubleshootiong
4-1. CD section
4-1-1.Malfunction
of
DISC
Revolution
| POWER ON
Check
SLED
IN.
Check
SLED
MOTOR
driving
element.
|
Check CLOSE SW voltage.
1
Check
CLOSE
MOTOR
driving
element
and
CLOSE
SW.
CLOSE
condition:
0
V
Does
Roulette
revolve?
Check
Roulette
Motor
driving
element.
|
Check Roulette Control Sensor element.
is Roulette Control done properly?
0
Does
Laser
function
during
Replace
PICK
UP.
Focus Search?
Check
WIC02
pin73
voltage
Replace
WICO2
during
Focus
Search.
:
5V
O
Replace WICO1 or WICO3.
MAX-557
Siac