MZ-R500/R500PC

SECTION 4

TEST MODE

4-1. Outline

This set provides the Overall adjustment mode that allows CD and MO discs to be automatically adjusted when in the test mode. In this overall adjustment mode, the disc is discriminate between CD and MO, and each adjustment is automatically executed in order. If a fault is found, the system displays its location. Also, the manual mode allows each individual adjustment to be auto- matically adjusted.

4-2. Setting Method of Test Mode

There are two different methods to set the test mode:

1Short TAP801 (TEST) on the MAIN board with a solder bridge (connect pin 3 of IC801 to the ground). Then, turn on the

power.

MAIN BOARD (SIDE B)

4-3. Operation in Setting the Test Mode

When the test mode becomes active, first the display check mode is selected.

Other mode can be selected from the display check mode.

When the test mode is set, the LCD repeats the following dis- play.

This set LCD display

All lit

MONO

SYNC

REC

REMAIN

u

REC

SHUF

F 1

-a88:88

All off

Microcomputer version display

00 6 V1.200

When the X key is pressed and hold down, the display at that time is held so that display can be checked.

Caution: On the set having the microcomputer version 1.000, some adjusted values were set in the manual mode at the shipment, but these data will be cleared when the NV is reset. Therefore, on the set having the micro- computer version 1.000, change the adjusted values following the Change of Adjusted Values immediately after the NV was reset (see page 18).

 

 

AP856

 

R807

 

 

R805

R806

 

 

 

 

 

 

C815

TAP801

 

 

 

AP526

 

(TEST)

 

AP803

AP528

 

 

 

FB801

C808

 

C521

AP529

C807

R810

 

AP531

C830

 

R830

AP530

 

R811

AP802

 

 

 

 

 

2In the normal mode, turn on the [HOLD] switch. While press- ing the [VOL --]key press the following order:

>t > t . t . t > t

.t > t . t X t X

4-4. Releasing the Test Mode

For test mode set with the method 1:

Turn off the power and open the solder bridge on TAP801 (TEST) on the MAIN board.

Note: Remove the solders completely. Remaining could be shorted with the chassis, etc.

For test mode set with the method 2: Turn off the power.

Note: If electrical adjustment (see page 18) has not been finished completely, always start in the test mode. (The set cannot start in normal mode)

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Sony R500PC service manual 00 6, Section Test Mode

R500PC specifications

The Sony R500PC is a notable addition to the line of personal computers designed to cater to the needs of both professionals and casual users alike. This all-in-one desktop computer combines advanced technology with a sleek, modern design, making it an attractive choice for various applications ranging from office work to multimedia entertainment.

One of the standout features of the Sony R500PC is its powerful processor. Equipped with the latest generation Intel Core i5 or i7 chip, the R500PC delivers exceptional performance that can handle multitasking with ease. Users can run multiple programs simultaneously without experiencing any lag, making it ideal for professionals who require efficiency in their daily tasks.

The R500PC boasts a high-definition display, featuring a resolution of 1920x1080 pixels. This Full HD screen offers vibrant colors and sharp details, enhancing the viewing experience for gaming, movies, and graphic design work. The display is also touch-enabled, providing an intuitive user interface that allows for seamless navigation through applications, web browsing, and photo editing.

Another key characteristic of the Sony R500PC is its extensive storage options. It typically comes with a solid-state drive (SSD) or a hybrid drive configuration, ensuring quick boot times and faster file access. With storage capacities ranging from 256GB to 1TB, users have ample space to store their documents, media files, and applications without worrying about running out of space.

In terms of connectivity, the Sony R500PC offers a robust set of ports including USB 3.0, HDMI, and Ethernet, providing flexibility in connecting external devices such as printers, external hard drives, and displays. Additionally, it features built-in Wi-Fi and Bluetooth capabilities, facilitating wireless communication and data transfer.

The audio system on the R500PC is another highlight. With integrated speakers that deliver clear and loud sound, users can enjoy a rich audio experience during video playback and gaming sessions. The device also supports high-definition audio output for a more immersive experience.

Lastly, the Sony R500PC is designed with energy efficiency in mind. It comes with power-saving features and has received environmental certifications, making it a sustainable choice for environmentally-conscious consumers.

In conclusion, the Sony R500PC is a feature-packed personal computer that excels in performance, display quality, storage options, and connectivity. Whether for work or leisure, this all-in-one PC is set to deliver a versatile computing experience that meets the demands of modern users. With its stylish design and robust capabilities, the R500PC stands out as an excellent investment for anyone looking to upgrade their technology.