JVC MC-8100U, Service Manual, Page: 39 / 100

MC-8100U
2.1.2 Opening/Closing the Door and Panel Removal
Opening the Door
<In normal condition>
<When trouble occurs>
When the power is not turned on or when electrical or mechanical trouble occurs, the unit will not enter the door open mode with the
above operations, and inserting the key cannot open the door. In this case, proceed in the following manner to open the door.
1. Turn the power of the main unit to OFF.
2. Insert a pin having a diameter of approx. 2 mm (or extended spike or clip, etc.) into the emergency hole to release the key lock. With
this, you can turn the key to perform the door opening operation.
1. In the normal display mode, press the MODE key.
(The menu display appears.)
2. Press the SELECT key 4 times.
("5. DOOR OPEN MODE" appears.)
3. Press the ENTER key.
(Select "5. DOOR OPEN MODE".)
4. Press and hold the SELECT key for more than 5 seconds.
(Wait until the display starts to blink.)
5. Release the SELECT key when the execution display appears.
*When installing/removing drive units, turn off the power af-
ter the completion display appears.
6. Insert the door key in the cylinder and turn it counterclockwise
to release the lock and open the door.
1 . N O R M A L D I S P L A Y
2 . E R R O R D I S P L A Y
5 . D O O R O P E N M O D E
6 . I D N o . S E T M O D E
P U S H S E L E C T K E Y
T O O P E N T H E D O O R
P U S H S E L E C T K E Y
T O O P E N T H E D O O R
E X E C U T I N G D O O R
O P E N P R O C E S S
T H E D O O R
C A N B E O P E N E D
Unlocked
Locked
Door opening/closing
key cylinder
Key Cylinder
C panel
Emergency Hole
Pin (2 mm dia.)
Panel mounting
screw
2-2