JVC KS-LX200R service manual LC75873NW IC601 LCD driver

Page 12

KS-LX200R

LC75873NW (IC601) : LCD driver

1.Block diagram

COM3

COM2

COM1

S68 S67

S5 S4/P4 S3/P3 S2/P2 S1/P1

VDD1

VDD2

INH

OSC

VDD

VSS

COMMOM

DRIVER

CLOCK

GENERATOR

SEGMENT DRIVER

SHIFT REGISTER

ADDRESS

DETECTOR

2.Pin functions

Pin No.

Symbol

I/O

Description

 

 

 

 

 

 

1~66

S3~S68

O

Segment Output.

 

 

 

 

 

 

67~69

COM1~3

O

Common Driver Output.

 

 

 

 

 

 

70

VDD

-

Power Supply Connection.

 

 

 

 

 

 

71

VDD1

I

Used for applying the LCD drive 2/3 bias voltage externally.

 

 

 

 

 

Must be connected to VDD2 when a 1/2 bias drive scheme in used.

 

 

 

 

 

 

72

VDD2

I

Used for applying the LCD drive 1/3 bias voltage externally.

 

 

 

 

 

Must be connected to VDD1 when a 1/2 bias drive scheme in used.

 

 

 

 

 

 

73

VSS

-

Power supply connection.

 

 

 

 

 

 

74

OSC

I/O

Oscillator connection. An oscillator circuit is formed by connecting an

 

 

 

 

 

external resistor and capacitor to this pin.

 

 

 

 

 

 

75

 

INH

I

Display off control input.

 

 

 

 

 

 

76

 

 

 

I

Chip enable input.

 

CE

 

 

 

 

 

 

77

CLOCK

I

Synchronization clock input.

 

 

 

 

 

 

78

 

DI

I

Serial data input.

 

 

 

 

 

 

79

 

S1

O

Signal output.

 

 

 

 

 

 

80

 

S2

O

Signal output.

 

 

 

 

 

 

1-27

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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 Power DM0DM1 LocalBD3860K 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 IC-PST600M/G/-W IC702 System reset SAA6579T-X IC51 RDS demodulatorRPM6938-SV4 IC602 Remote control receiver HD74HC126FP-X IC771 BufferAGC AMPM5282FP-XE IC321 E. volume LB1641 IC402 DC Motor driverVCA VCA OUTBlock diagram Standard schematic diagrams Main amp. sectionMecha. control section DTC114EKALCD & Key control section INV
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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.