Section Test Mode, General, Setting the Test Mode

MZ-E505

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 (Component Side) –

Remote control LCD

888BASS12

All on

All off

010V2.200

Microprocessor version display

•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

199 173 228		176	216 184 215 196		221 194	212
177 162	226	220 188 217 223 186			192 198	214	219 222
155	204	203 201		209 211 210 208 225		202	200 213


C620
C620								C615

							R613

TAP601

(TEST)

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, 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:

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.

MZ-E505 specifications

The Sony MZ-E505 is a portable mini-disc player that emerged in the early 2000s as part of Sony's innovative move towards digital audio solutions. This compact device combines functionality, versatility, and cutting-edge technology, making it a popular choice among music enthusiasts. The MZ-E505 stands out due to its sleek design and impressive features, setting the standard for portable audio players of its time.

One of the main characteristics of the MZ-E505 is its lightweight design, weighing approximately 160 grams. Its portability is complemented by an elegant, user-friendly interface, which includes a simple set of buttons for easy navigation through tracks and folders. The device features a bright LCD display that shows essential information such as track number, time elapsed, and battery life, ensuring users remain informed while on the go.

The MZ-E505's standout feature is its mini-disc technology, allowing users to record and playback high-quality audio. Mini-discs, introduced by Sony in the 1990s, offer an advanced storage solution that can hold up to 74 minutes of high-fidelity stereo sound on the standard format. The player also supports LP2 and LP4 modes, enabling users to double or quadruple the recording capacity, which is perfect for those who require more space for their music collections.

In terms of sound quality, the MZ-E505 utilizes Sony’s ATRAC (Adaptive Transform Acoustic Coding) compression technology, which ensures that audio playback is clear and precise. The device is equipped with a 20-second shock protection mechanism to prevent interruptions during playback, giving users peace of mind while enjoying their favorite tracks during activities like jogging or commuting.

Battery life is another crucial aspect, and the MZ-E505 doesn’t disappoint. It features a rechargeable battery that can provide up to 10 hours of continuous playback on a full charge. Additionally, users have the option to utilize standard AA batteries as an alternative power source.

The MZ-E505 also incorporates a variety of connectivity options, including an analog line-in for direct recording from external sources. This feature was particularly appealing for audiophiles who wanted to create their mix compilations.

Overall, the Sony MZ-E505 is a remarkable blend of portability, sound quality, and innovative technology, representing the quintessential qualities of early digital audio devices. Although the mini-disc format has since been largely superseded by other digital technologies, the MZ-E505 remains a cherished piece of audio history, celebrated for its unique capabilities and breathtaking design.