KD-SH99R

SAA6579T-X(IC51):RDS

1.Pin layout

QUAL

1

16

RDCL

RDDA

2

15

T57

Vref

3

14

OSCO

MUX

4

13

OSCI

VODA

5

12

V0DD

VSSA

6

11

VSSD

CIN

7

10

TEST

SCOUT

8

9

MODE

2.Block diagram

4

8

ANTI-

ALIASING FILTER

57 kHz

 

 

RECONSTRUCTION

BANDPASS

 

 

 

 

FILTER

(8th ORDER)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

14

 

 

OSCILATOR

AND

DIVIDER

12

QUALITY BIT GENERATOR

1

7

 

 

CLOCKED

 

 

 

COSTAS LOOP

 

 

 

 

 

 

 

 

COMPARATOR

 

 

 

VARIABLE AND

 

 

 

 

 

 

FIXED DIVIDER

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VP1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

REFERENCE

 

 

 

 

CLOCK

 

 

 

 

 

REGERATION

 

 

 

VOLTAGE

 

 

 

 

 

 

 

 

 

 

AND SYNC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BIPHASE

 

 

 

 

 

DIFFERENTIAL

2

 

SYMBOL

 

 

 

 

 

 

 

 

 

 

 

DECODER

 

 

DECODER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

 

 

 

 

 

 

 

 

 

 

15

TEST LOGIC AND OUTPUT

 

 

 

SELECTOR SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

9

10

11

3.Pin function

Pin No.

Symbol

Description

 

 

 

1

QUAL

Quality indication output

 

 

 

2

RDDA

RDS data output

 

 

 

3

Vref

Reference voltage output (0.5VDDA)

 

 

 

4

MUX

Multiolex signal input

 

 

 

5

VDDA

+5V supply voltage for analog part

 

 

 

6

VSSA

Ground for analog part (0V)

 

 

 

7

CIN

Subcarrier input to comparator

 

 

 

8

SCOUT

Subcarrier output of reconstruction filter

 

 

 

9

MODE

Oscllator mode / test control input

 

 

 

10

TEST

Test enable input

 

 

 

11

VSSD

Ground for digital part (0V)

 

 

 

12

VDDD

+5V supply voltage for digital part

 

 

 

13

OSCI

Oscillator input

 

 

 

14

OSCO

Oscillator output

 

 

 

15

T57

57 kHz clock signal output

 

 

 

16

RDCL

RDS clock output

 

 

 

1-40

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Image 23
JVC KD-SH99R service manual SAA6579T-XIC51RDS

KD-SH99R specifications

The JVC KD-SH99R is an innovative car stereo that exemplifies a blend of advanced technology and user-friendly design, making it a preferred choice for music enthusiasts. This high-performance head unit is known for its impressive audio quality and numerous features that cater to both casual listeners and audiophiles.

One of the standout features of the KD-SH99R is its ability to play various media formats, including CDs, MP3, and WMA files. This versatility ensures that users can enjoy their favorite tracks regardless of the medium. The front USB port allows for seamless connectivity with digital devices, giving users the ability to play music directly from USB flash drives. Additionally, the inclusion of an auxiliary input allows for easy connection of smartphones and portable media players, expanding the music options available.

Sound quality is paramount in any car audio system, and the KD-SH99R does not disappoint. It is equipped with a powerful 50 watts per channel output, delivering a robust audio experience that can fill any car interior. The unit features a 3-band parametric equalizer, which allows users to fine-tune their audio settings to achieve the perfect sound that suits their preference. Moreover, the built-in high-pass and low-pass filters offer enhanced control over the frequencies, ensuring that all elements of the music come through clearly.

Another notable feature is the JVC's exclusive K2 Technology, which enhances the quality of compressed audio files, producing a clearer and more dynamic sound. This is particularly beneficial for digital music files which can often lose vibrancy during compression.

For those who value customization, the KD-SH99R offers variable color illumination, allowing users to match the display with their car's interior lighting. This customization is aesthetically pleasing and adds a personal touch to the stereo.

In terms of connectivity, the KD-SH99R is compatible with Bluetooth technology, enabling hands-free calling and wireless music streaming. This feature enhances the driving experience, allowing drivers to stay connected while keeping their focus on the road. The unit also includes AM/FM radio with RDS, providing access to a wide range of radio stations.

In conclusion, the JVC KD-SH99R is a feature-rich car stereo designed to enrich any driving experience. With its high power output, versatile media playback options, advanced sound technologies, and user-friendly design, it stands as an excellent choice for anyone looking to elevate their in-car audio system.