4.15TA2157FN-X (IC1601):RF amp

• Terminal layout

 

24

~

13

 

 

 

 

 

 

 

 

 

1

~

12

 

 

 

 

 

 

 

 

Block diagram

 

 

 

 

 

 

 

 

 

 

 

 

13

20k

20k

PEAK

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50k

 

15k

 

 

 

14

 

 

 

 

 

 

 

 

11

 

 

 

 

 

 

40k

 

 

10pF

 

 

 

 

 

 

20k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

10pF

15k

20k

 

20k

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

40k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16

20k

50 A

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12k

 

 

2k

50k

 

 

 

 

17

 

 

1.3V

 

 

8

 

 

 

12k

 

 

 

 

 

 

 

 

20k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

BOTTOM

 

 

 

 

 

1k

7

 

 

40k

PEAK

 

 

 

14k

2k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19

 

 

 

 

 

 

 

1.75k

6

 

 

 

 

 

 

240k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15pF

 

x0.5

 

 

 

20

 

 

 

 

 

K

5

 

 

 

 

 

240k

x2

 

 

 

 

 

20k

 

 

 

 

 

 

 

 

 

 

15pF

 

 

 

 

 

 

 

 

 

 

 

x0.5

 

 

 

21

 

 

 

 

 

1

4

 

 

30k

 

 

 

 

x2

 

 

 

 

 

180k

40pF

 

 

94k

 

 

 

 

22

 

60k

 

22k

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

180k

60k

94k

 

 

 

 

 

 

 

 

 

 

 

 

 

23

3k

 

40pF

 

 

 

22k

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

24

3k

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

PIN

SEL

TEB

RFGC

TEB

VCTRLPIN

(APC SW)

(TE BAL)

(AGC Gian)

(TE BAL)

 

 

 

 

 

VCC

APC ON

-50%

+12dB

Normal mode

(0dB)

 

 

 

 

 

 

 

 

 

HiZ

APC ON

0%

+6dB

Normal mode

(0dB)

 

 

 

 

 

 

 

 

 

GND

APC OFF

50%

0dB

CD-RW mode

(LDO=H)

(+12dB)

 

 

 

 

 

 

 

 

1-46 (No.49793)

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JVC KD-LX555R service manual 15 TA2157FN-X IC1601RF amp, PIN SEL TEB Rfgc Vctrlpin APC SW TE BAL, VCC APC on, Apc Off

KD-LX555R specifications

The JVC KD-LX555R is a feature-rich car stereo receiver that combines cutting-edge technologies with an impressive array of functionalities, making it a popular choice among car audio enthusiasts. One of the standout features of the KD-LX555R is its compatibility with various audio playback formats, including MP3, WMA, and WAV files. This versatility allows users to enjoy their favorite music from different sources without compromising on sound quality.

Equipped with a front AUX input and a USB port, the KD-LX555R facilitates convenient connectivity for external devices like smartphones and USB drives. This feature enables users to access their digital music collections seamlessly while driving. Additionally, the unit's Bluetooth capability allows for hands-free calling and wireless audio streaming, enhancing convenience and safety by minimizing distractions while driving.

The receiver boasts a sleek and modern design, featuring an easy-to-read LCD display and user-friendly controls. The customizable illumination options enable users to match the display color to their vehicle’s interior, adding a personalized touch. Its ergonomic layout ensures that drivers can adjust settings and navigate menus with minimal effort, allowing for a safer driving experience.

Sound quality is a paramount consideration for JVC, and the KD-LX555R does not disappoint. It features a powerful MOSFET amplifier, delivering robust audio performance with impressive clarity and depth across all frequencies. The inclusion of a 3-band parametric equalizer also allows users to fine-tune the audio output according to their preferences and the acoustics of their car.

For those who desire even more control over their sound, the KD-LX555R supports additional amplifiers and subwoofers through its preamp outputs. This feature empowers users to easily upgrade their sound systems and achieve the desired audio experience. Moreover, the receiver integrates seamlessly with smartphones, enabling features like music control through voice commands.

In summary, the JVC KD-LX555R is a comprehensive car audio solution that emphasizes connectivity, sound quality, and user convenience. With its modern features, robust performance, and customizable options, it caters to a wide range of audio preferences, making it a worthy addition to any car. Whether enjoying favorite tracks or making hands-free calls, the KD-LX555R delivers an exceptional in-car experience that combines technology with practicality.