Sony MX-E500 specifications General, Setting the Test Mode

SECTION 4 TEST MODE

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.

1Solder bridge and short TAP601 (TEST) on the main board. Then turn on the power.

MAIN BOARD (SIDE B)

43

42 TP901

TAP601

OPEN : Normal mode

SHORT : Test mode

2In 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:

Remote control LCD

888	F 1SHUFF PGM u
	SOUND 1 2 BASS 1 2

All on

All off

009V1.050

Microprocessor version display

•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 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 : If electrical adjustment (see page 12) has not been finished completely, always start in the test mode. (The set cannot start in normal mode)

4-3. TEST MODE STRUCTURE

Test Mode

(Display Check Mode)

VOL+ key
		Manual Mode
x key
VOL+ key		Servo Mode
		Audio Mode
VOL– key		Power Mode
		OP Alignment Mode
. or VOL– key
	Overall Adjustment Mode
x
key
DISPLAY key
x	Self-diagnostic Display Mode
key
>B key
x key
	Sound Skip Check Result Display Mode
DISPLAY key
(Press and hold down about 3 sec)
		Key Check Mode

Terminate key checking or open the top panel.

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