JVC KS-LX200R service manual CXA2510AQ IC401 Head AMP / Dolby

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KS-LX200R

CXA2510AQ (IC401) : Head AMP / Dolby

1. Pin layout & Block diagram

 

PBEQ2

PBOUT2

GND

TAPEIN2

AUXIN2

DIREF

LINEOUT2

 

30

29

28

27

26

25

24

PBFB2

31

 

120 /70

 

 

 

 

 

 

 

 

 

 

 

+ -

PBRIN

32

+ -

 

 

T2

 

 

 

 

 

 

 

 

 

 

 

 

X1

 

 

PBREF2

33

 

 

 

NR BIAS

 

 

 

 

 

 

 

 

F2

 

 

 

TAPE / AUX

PBFIN2

34

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TAPE EQ

VCT

35

 

 

 

 

 

 

 

VCT

 

 

 

 

FWD / RVS

 

 

 

 

 

 

PBGND

36

 

 

 

 

 

Vcc

 

 

 

 

 

 

 

PBFIN1

37

 

 

 

 

LPF

+

 

 

 

 

 

-

 

 

F1

 

 

 

 

 

 

 

 

 

 

F3

PBREF1

38

 

 

 

 

 

 

 

X1

 

 

 

 

 

 

 

T1

 

 

 

 

 

 

 

 

 

PBRIN1

39

+ -

 

 

 

 

 

 

 

 

 

 

+ -

 

 

 

 

 

 

 

PBFB1

40

 

120 /70

 

 

 

 

 

1

2

3

4

5

6

7

 

PBEQ1

PBOUT1

Vcc

TAPEIN1

AUXIN

MSLPF

LINEOUT1

TCH2

TCL2

MSSW

23

22

21

NR

20 MSMODE

OFF/

B / C

 

 

19

DRSW

 

MS MODE

 

 

 

18

TAPESW

 

 

17

INSW

 

NR MODE 16

NRSW

 

 

MS ON/ 15

MRMODE

 

DET

OFF

 

 

14

MSOUT

 

 

13

DGND

 

 

12

MSTC

 

NR

11

G1FB

 

 

 

8

9

10

 

TCH1

TCL1

G2FB

 

2. Pin functions

 

 

 

 

 

Pin No.

Symbol

 

I/O

 

Functions

 

 

1

PBEQ1

 

O

 

Resistance for selecting the equalizer amplifier time constant.

2

PBOUT1

 

O

 

Playback equalizer amplifier out put.

3

Vcc

 

-

 

Power supply

4

TAPEIN1

 

I

 

TAPE input.

5

AUXIN1

 

I

 

External input.

6

MSLPF

 

-

 

Cut-off frequency adjustment of the music sensor LPF.

7

LINEOUT1

 

O

 

Line out.

8

TCH1

 

-

 

Time constant for the HLS.

9

NC

 

-

 

Non connection.

10

G2FB

 

-

 

Music signal interval detection level setting.

11

G1FB

 

 

 

 

12

MSTC

 

 

 

Time constant for detecting the music signal interval.

13

DGND

 

-

 

Logic ground (Connect to GND)

14

MSUOT

 

O

 

Music sensor output.

15

NC

 

I

 

Non connection.

 

 

 

 

 

 

1-18

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Contents KS-LX200R BA4905-V3 IC961 Regulator CXA2510AQ IC401 Head AMP / Dolby NJM4565M-W IC951,IC171,IC323 Ope amp KA3031 IC831 Motor driver BU4066BCF-X IC322 Switch UPD784215AGC113 IC701 Unit CPU Local PowerDM0 DM1BD3860K IC911 E. volume LA3460M-X IC31 FM noise canceller & Stereo MPX demodulator LA4743B IC941 Power amp LC75873NW IC601 LCD driver BA3220FV-X IC301 Driver BR24C32F-X IC703 Eeprom SCLSDA SAA6579T-X IC51 RDS demodulator IC-PST600M/G/-W IC702 System resetAMP RPM6938-SV4 IC602 Remote control receiverHD74HC126FP-X IC771 Buffer AGCVCA OUT M5282FP-XE IC321 E. volumeLB1641 IC402 DC Motor driver VCABlock diagram Main amp. section Standard schematic diagramsDTC114EKA Mecha. control sectionINV LCD & Key control section
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KS-LX200R specifications

The JVC KS-LX200R is a versatile car audio receiver that combines advanced technology with user-friendly features, ensuring an elevated listening experience for audiophiles and casual listeners alike. This model is celebrated for its sleek design and powerful performance, making it an ideal addition to any vehicle.

One of the standout features of the KS-LX200R is its high-performance audio technology. It boasts a built-in amplifier capable of delivering up to 50 watts per channel, producing crystal-clear sound with minimal distortion. The unit supports various digital audio formats, allowing for compatibility with a wide range of media sources. Additionally, the receiver is equipped with a 13-band equalizer, enabling users to fine-tune the audio output to match their personal preferences and optimize sound quality according to the car’s acoustics.

Connectivity is at the forefront of the KS-LX200R's design. It features Bluetooth technology for hands-free calling and seamless wireless audio streaming from smartphones and other Bluetooth-enabled devices. The ability to pair multiple devices ensures that passengers can easily share their favorite music without tedious reconnections. Furthermore, the receiver includes USB and AUX inputs, giving users additional options for connecting their devices.

The KS-LX200R also accommodates various media formats, including CD, MP3, and WMA playback, ensuring that users can enjoy their entire library of audio content. The convenient front-facing USB port supports charging while listening, making it practical for long drives.

In terms of visual appeal, the KS-LX200R features a vibrant LCD display that provides clear visibility of track information and settings, even in bright sunlight. The user interface is intuitively designed, allowing quick access to various functions and settings, enhancing the overall user experience.

Moreover, the JVC KS-LX200R is built with durability in mind. It is designed to withstand the rigors of daily use in a vehicle environment while maintaining optimal performance. The receiver is compatible with steering wheel control interfaces, enabling users to operate the unit without taking their hands off the wheel for added safety.

Overall, the JVC KS-LX200R stands out as a feature-rich car audio receiver that seamlessly blends quality sound, modern convenience, and robust build quality, making it an excellent choice for any automotive sound system upgrade.