HCD-DX30/RG40

Note : Clear RF signal waveform means that the shape “ ” can be clearly distinguished at the center of the waveform.

RF signal waveform

VOLT/DIV : 200mV

TIME/DIV : 500ns

level : 1.45 ± 0.3Vp-p

E-F Balance (1 Track jump) Check

oscilloscope

BD board

TP(TEO)

TP(VC)

Procedure :

1.Connect oscilloscope to TP (TEO) and TP (VC).

2.Turned Power switch on.

3.Load a disc (YEDS-18) and playback the number five track.

4.Press the gG button. (Becomes the 1 track jump mode.)

5.Confirm that the level B and A (DC voltage) on the oscilloscope waveform.

Adjustment Location:

[BD BOARD] (Conductor Side)

 

 

TP

 

TP

 

 

 

(XPCK)

 

 

(AGCCON)

 

12

 

 

 

 

1

21

20

TP

 

IC103

 

 

(TEO)

 

24

 

 

 

 

 

1

TP

40

 

 

IC101

(FEO)

41

 

80

 

 

TP

 

 

TP

 

(FEI)

60

61

(VC)

 

 

 

 

 

 

 

TP

 

 

 

 

(RF)

 

TP

1 track jump waveform

B

0V

level=1.3±0.6Vp-p symmetry

Specified level: –– 100=less than 22%

A ±

B

center of waveform

A (DC voltage)

(DGND)

6. After check, remove the lead wire connected in step 1.

RF PLL Free-run Frequency Check

Procedure :

1. Connect frequency counter to test point (XPCK) with lead wire.

BD board

frequency counter

TP (XPCK)

2.Turned Power switch on.

3.Put the disc (YEDS-18) in to play the number five track. Confirm that reading on frequency counter is 4.3218MHz.

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Sony HCD-DX30, HCD-RG40 specifications Balance 1 Track jump Check, RF PLL Free-run Frequency Check

HCD-RG40, HCD-DX30 specifications

The Sony HCD-DX30 and HCD-RG40 are both versatile systems that exemplify Sony's commitment to delivering exceptional audio quality within compact designs. These home audio systems combine innovative technologies with user-friendly features to enhance your listening experience.

The HCD-DX30 is designed for users who appreciate powerful sound in a straightforward package. This component system includes a combination of CD player, radio tuner, and cassette deck, catering to various preferences. One of its main features is the Mega Bass technology, which boosts low frequencies, delivering a rich and immersive audio experience for music lovers. Additionally, the system supports multiple audio formats, allowing users to enjoy their favorite tunes from CD, cassette, or radio. The implementation of a built-in equalizer allows listeners to customize the sound to match their preferences, ensuring the best playback for any genre.

On the other hand, the HCD-RG40 takes another step forward with its sleek design and modern features. This system integrates the characteristics of the DX30 but enhances them with additional connectivity options. It includes a USB port that allows users to connect flash drives and play digital music files directly, supporting various formats for flexibility. The presence of Bluetooth technology in the HCD-RG40 opens up wireless music streaming possibilities, enabling users to play music from smartphones, tablets, or laptops without the hassle of cables.

Both systems also offer a variety of output options, including headphone jacks and auxiliary inputs, making them compatible with a range of devices. Another notable feature is their timed shut-off function, which contributes to energy efficiency by automatically turning off the system when not in use.

In summary, the Sony HCD-DX30 and HCD-RG40 represent the advancements in home audio systems, showcasing a blend of classic components with modern technology. The HCD-DX30 shines with its robust sound features tailored for traditional media, while the HCD-RG40 caters to the contemporary user with its wireless connectivity and support for digital formats. Whether you’re a casual listener or an audiophile, these systems offer the audio versatility needed for an exceptional home entertainment experience.