MZ-R500/R500PC

2.Connect a digital voltmeter to the TP902 (VC) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 2.75 ± 0.01 V.

digital

voltmeter

MAIN board

TP902(VC)

TP910(GND)

3.Press the X key to write the adjusted value.

(The item number changes to 764 when X key is pressed)

Adjustment and Connection Location: MAIN board (see page 21)

Adjustment method of Vl PWM Duty (item number: 764)

This set LCD display

7 64V1 PWM

1.Press the [ENTER] key and change the LCD display.

This set LCD display

7 64 AD

: Adjusted value

2.Connect a digital voltmeter to the TP901 (VL) on the MAIN board, and adjust [VOL +] key (voltage up) or [VOL --]key (voltage down) so that the voltage becomes 2.30 ± 0.01 V.

digital

voltmeter

MAIN board

TP901(VL)

TP910(GND)

3.When press the X key to write the adjusted value, LCD dis- plays as follows and power supply manual adjustment has com- pleted.

This set LCD display

3.Adjust with [VOL +], [VOL --]key so that the adjusted value

(hexadecimal value) becomes the ambient temperature. (Initial value: 14h = 20 ° C, Adjusting range: 80h to 7fh (–128 ° C to +127 ° C)

This set LCD display

014S14

:Address

14: Adjusted value

4. Press the X key to write the adjusted value.

5-7. Laser Power Check

Connection :

laser

power meter

Optical pick-up objective lens

digital voltmeter

MAIN board

TP(+)

TP(–)

Checking Method :

1.Select the manual mode of test mode (see page 13), and set the laser power adjusting mode (item number 010).

This set LCD display

010Laser

2.Press the . key continuously until the optical pick-up moves to the most inward track.

3.Open the cover and set the laser power meter on the objective lens of the optical pick-up.

4.Press the N key, and set the laser MO read adjustment mode (item number 011).

This set LCD display

0 00ADJ OK

Adjustment and Connection Location: MAIN board

5-6. Temperature Correction

• Adjustment Method of temperature correction

1.Select the manual mode of test mode, and set the mode num- ber 014 (see page 13).

This set LCD display

014SetTmp

2.Measure the ambient temperature.

011LrefPw

5.Press the [ENTER] key and set the address & adjusted value display (See page 14).

This set LCD display

011###S

###: Address

: Adjusted value

6.Check that the laser power meter reading is 0.81 ± 0.08 mW.

7.Check that the voltage both ends (TP (+) and TP (–)) of resis- tor R501 at this time is below 44 mV.

20

Page 20
Image 20
Sony R500PC service manual 64V1 PWM, 14 S14, 10Laser, 00ADJ OK, 14SetTmp, 11###S

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.