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MZ-E505
Remote control LCD
• Press and hold down X key to hold the current display while
the key is being pressed.
4-2-3. How to release the TEST MODE
When method 1 was used:
Turn off the power and open the solder bridge on TAP601 on the
main board.
Note: The solder should be removed clean. The remaining solder
may make a short with the chassis and other part.
When method 2 was used:
Turn off the power.
Note: When the power supply is switched on in the state where all
electrical adjustments have not finished, it is displayed on
LCD as “NV Error’’ and the usual operation can’t be per-
formed.
When a power supply is accidentally turn off in the middle
of electrical adjustments, it is again set as test mode and elec-
trical adjustments is mode to complete.
4-1. GENERAL
• When entered in the TEST MODE, this set provides the Overall
Adjustment mode which allows CD and MO discs to be auto-
matically adjusted. In the Overall Adjustment mode, the system
discriminates between CD and MO discs, performs adjustments
in sequence automatically, and displays the faulty location if
any fault is found. In the Manual mode, selected adjustments
can be performed automatically.
• The attached remote control is used to operate the TEST MODE.
Unless otherwise specified in the text, the key means that on the
remote control.
4-2. SETTING THE TEST MODE
4-2-1. How to set the TEST MODE
To set the TEST MODE, two methods are available.
1 Solder bridge and short TAP601 (TEST) on the main board.
Then turn on the power.
– MAIN BOARD (Component Side) –
2 In the normal mode, operate the keys on the set and those on the
remote control as specified below:
Turn on HOLD switch on the set. Holding down x (STOP)
key on the set, enter the keys on the remote control in the
following sequence:
> N t > N t . t . t > N
t . t > N t . t X t X
4-2-2. Operations when the TEST MODE is set
When the TEST MODE is entered, the system switches to the dis-
play check mode within the TEST MODE. From this mode, the
other Test modes can be accessed.
When the TEST MODE is set, the LCD repeats a cycle of the fol-
lowing displays:
SECTION 4
TEST MODE
010 V2.200
All on
All off
Microprocessor
version
display
888
BASS12
C615
R613
C620
213200202225208210211209201203204155
222219214198192186223217188220226162177
212194221196215184216176228173199
TAP601
(TEST)