Section Test Mode, Setting the Test Mode | Sony MZ-E900 specification

MZ-E900

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.

Remote control LCD

888		F1SHUFF PGMu

		SOUND 1 2 BASS 1 2

All on

All off

008V1.000

Microprocessor version display

•Press and hold down X to hold the current display while the key is being pressed.

MAIN BOARD (SIDE A)

TAP601

SHORT: TEST MODE

OPEN: NORMAL MODE

TP921

R617

C613 C605

R911

C610 C606

R607

C810 C802

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 11) 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

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 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:

(Display Check Mode)

+ key
			Manual Mode
x key
	+ key		Servo Mode
			Audio Mode
		key	Power Mode
		key
			OP Alignment Mode
. or	key
		Overall Adjustment Mode
x
	key
DISPLAY key
x		Self-diagnostic Display Mode
	key	Self-diagnostic Display Mode
>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.

MZ-E900 specifications

The Sony MZ-E900, released in the early 2000s, represents a remarkable convergence of portable music technology and user-friendly design. As a MiniDisc player, the MZ-E900 was part of Sony's efforts to create a new standard in digital audio storage, allowing users to record, erase, and edit audio with unparalleled ease.

One of the standout features of the MZ-E900 is its compact and lightweight design, making it an ideal companion for music lovers on the go. Weighing in at approximately 150 grams, it is particularly portable and can easily fit into a pocket or bag. The sleek exterior is both stylish and functional, with an intuitive interface that facilitates easy navigation through a user-friendly menu.

Technologically, the MZ-E900 was equipped with Sony's ATRAC (Adaptive Transform Acoustic Coding) audio compression technology, which delivered impressive sound quality while minimizing file sizes. This allowed users to fit more music onto a single MiniDisc, which could hold up to 80 minutes of high-quality audio in LP2 mode. Additionally, the player supported 24-bit digital-to-analog conversion, ensuring a rich and detailed listening experience.

Another notable feature is the MZ-E900's ability to record audio directly from various sources, such as FM radio or external devices, thanks to an integrated microphone and line-in capabilities. The unit also supported a range of playback modes, including shuffle and repeat functions, giving users greater flexibility in how they enjoy their music.

The MZ-E900 also boasted an impressive battery life, with the ability to play up to 40 hours on a single AA battery, making it perfect for long journeys or extended listening sessions. The inclusion of an ergonomic remote control further enhanced the user experience, allowing for convenient operation while on the move.

In terms of connectivity, the device included a small but versatile digital output, enabling users to connect to other audio equipment such as amplifiers or sound systems. This feature contributed to the versatility of the MZ-E900, allowing it to serve not just as a portable player, but as a component in a larger audio setup.

Overall, the Sony MZ-E900 stood out for its combination of portability, sound quality, and innovative features, making it a beloved device among audiophiles and casual listeners alike during its time. Its legacy remains a testament to Sony's commitment to advancing portable audio technology.