Opening/Closing The Door And Panel Removal - JVC MC-8100U Service Manual

2.1.2 Opening/Closing the Door and Panel Removal

Opening the Door
<In normal condition>
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.
<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.
Unlocked
Door opening/closing
key cylinder
Locked
Key Cylinder
C panel
Emergency Hole
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
6 . I D N o . S E T
P U S H S E L E C T
T O O P E N T H E
P U S H S E L E C T
T O O P E N T H E
E X E C U T I N G
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
Panel mounting
screw
MC-8100U
M O D E
M O D E
K E Y
D O O R
K E Y
D O O R
D O O R
Pin (2 mm dia.)
2-2