Table of Contents
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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 BP801 (TEST) on the system board.
Then turn on the power.
SYSTEM BOARD
(SIDE A )
TP816
TP823
TP822
BP801
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, press 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
display 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
following displays:
TP821
TP819
TP820
TP818
BP801
1-675-487-
SECTION 4
TEST MODE
Remote control LCD
888
004 V1.100
• Press and hold down X 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 BP801on the
system 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.
4-3. TEST MODE STRUCTURE
Test Mode
(Display Check Mode)
DISPLAY key
DISPLAY key
(Press and hold down about 3 sec.)
Terminate key checking or open
the top panel.
– 11 –
u
All on
All off
Microprocessor
version
display
+
key
Manual Mode
key
x
+
key
Servo Mode
Audio Mode
Power Mode
key
OP Alignment Mode
key
Overall Adjustment Mode
key
x
Self-diagnostic Display Mode
key
x
Key Check Mode
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