CDP-CE575

Ver 1.1 2001.07SECTION 6

ELECTRICAL ADJUSTMENTS

Note:

1.CD Block is basically designed to operate without adjustment. There- fore, check each item in order given.

2.Use PATD-012 disc (4-225-203-01) unless otherwise indicated.

3.Use an oscilloscope with more than 10MΩ impedance.

4.Clean the object lens by an applicator with neutral detergent when the signal level is low than specified value with the following checks.

S Curve Check

Connection:

oscilloscope

BD board

TP (FE1) +

TP (VC) –

Procedure:

1.Set the test disc (PATD-012). Disc chucking operation is complete, then press the [POWER] button to turn the power off.

2.Connect an oscilloscope to test point TP (FE1) and TP (VC) on the BD board.

3.Connect between test point TP (ADJ) on the MAIN board and GND by lead wire.

4.Press the [POWER] button to turn the power on and enter the ADJ mode.

Then playback the number two track automatically, press the x button to stop the playback.

5.Press the [CHECK] button actuate the focus search. (actuate the focus search when disc table is moving in and out)

6.Check the oscilloscope waveform (S-curve) is symmetrical between A and B. And confirm peak to peak level within 2 ± 1 Vp-p.

S-curve waveform

symmetry

A

within 2 ± 1 Vp-p

B

Note: • Try to measure several times to make sure than the ratio of A : B or B : A is more than 10 : 7.

•Take sweep time as long as possible and light up the brightness to obtain best waveform.

Checking Location: BD board

RFDC Level Check

Connection:

oscilloscope

BD board

 

TP (RFDC)

+

TP (VC)

–

Procedure:

1.Set the test disc (PATD-012). Disc chucking operation is complete, then press the [POWER] button to turn the power off.

2.Connect an oscilloscope to test point TP (RFDC) and TP (VC) on the BD board.

3.Connect between test point TP (ADJ) on the MAIN board and GND by lead wire.

4.Press the [POWER] button to turn the power on and enter the ADJ mode, then playback the number two track automatically.

5.Confirm that oscilloscope waveform is clear and check the level

of between RFDC top and VC is correct or not.

Note: A clear RFDC signal waveform means that the shape “◊ ” can be clearly distinguished at the center of the waveform.

RFDC signal waveform

VOLT/DIV: 200 mV

TIME/DIV: 500 ns

level: 1.15 ± 0.35 Vp-p

VC

Checking Location: BD board

RFAC Level Check

Connection:

oscilloscope

BD board

 

TP (RFAC)

+

TP (VC)

–

Procedure:

1.Set the test disc (PATD-012). Disc chucking operation is complete, then press the [POWER] button to turn the power off.

2.Connect an oscilloscope to test point TP (RFAC) and TP (VC) on the BD board.

3.Connect between test point TP (ADJ) on the MAIN board and GND by lead wire.

4.Press the [POWER] button to turn the power on and enter the ADJ mode, then playback the number two track automatically.

5.Confirm that oscilloscope waveform is clear and check RFAC

signal level is correct or not.

Note: A clear RFAC signal waveform means that the shape “◊ ” can be clearly distinguished at the center of the waveform.

RFAC signal waveform

VOLT/DIV: 200 mV

TIME/DIV: 500 ns

level: 1.35 ± 0.4 Vp-p

Checking Location: BD board

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Sony CDP-CE575 service manual Electrical Adjustments, Curve Check, Rfdc Level Check, Rfac Level Check
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CDP-CE575 specifications

The Sony CDP-CE575 is an exemplar of a high-quality CD player that combines classic design with advanced technology, making it a worthy addition to any audio enthusiast's collection. Launched in the 1990s, this piece of equipment showcases Sony's commitment to outstanding sound reproduction and user-friendly features.

One of the defining features of the CDP-CE575 is its capability to play standard CDs, alongside CD-R and CD-RW discs. This versatility allows users to enjoy a broad range of audio formats, catering to both classic disc collections and customized compilations. Additionally, the player supports a 5-disc carousel, enabling seamless transitions between multiple CDs, fostering an uninterrupted listening experience.

In terms of sound quality, the CDP-CE575 employs a high-precision digital-to-analog converter (DAC), which significantly enhances audio fidelity. This technology ensures that the subtleties in recordings are faithfully reproduced, resulting in a rich and nuanced listening experience. The unit's frequency response and overall dynamic range are optimized to deliver crystal-clear sound across various genres, from classical orchestras to contemporary rock.

The CDP-CE575 incorporates several user-centric features that enhance its practicality. One noteworthy characteristic is its Remote Control capability, providing the convenience of operating the device from a distance. The player also includes a programmable memory which allows users to arrange the order of tracks as per their preference, making custom playlists an effortless endeavor.

Moreover, the CDP-CE575 showcases a well-engineered display panel that presents vital information at a glance, ensuring that users remain in control of their auditory journey. The unit's compact and sturdy design also makes it suitable for various setups, whether for home use or more professional environments.

In conclusion, the Sony CDP-CE575 stands out as a compelling choice for anyone seeking a reliable and high-quality CD player. With its combination of advanced technologies, user-friendly features, and a focus on audio fidelity, this model epitomizes Sony’s innovative spirit in the realm of home audio. Its legacy continues to resonate with audiophiles who appreciate the art of CD listening, making it a noteworthy candidate for those seeking both functionality and performance in their audio equipment.
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