Pin No.

Pin Name

I/O

Description

 

 

 

 

36

TES

O

Pin from which TES signal is output to DSP.

 

 

 

 

37

HFL

O

“High Frequency Level” is used to judge whether the main beam position is on top of

bit or on top of mirror.

 

 

 

 

 

 

 

38

SLOF

I

Sled servo off control input pin.

 

 

 

 

39, 40

CV–, CV+

I

CLV error signal input pin from DSP.

 

 

 

 

41

RFSM

O

RF output pin.

 

 

 

 

42

RFS-

I

RF gain setting and EFM signal 3T compensation constant setting pin together with

RFSM pin.

 

 

 

 

 

 

 

43

SLC

O

“Slice Level Control” is the output pin which controls the RF signal data slice level by

DSP.

 

 

 

 

 

 

 

44

SLI

I

Input pin which control the data slice level by the DSP.

 

 

 

 

45

DGND

—

Digital system GND.

 

 

 

 

46

FSC

O

Output pin to which external focus search smoothing capacitor is connected.

 

 

 

 

47

TBC

I

“Tracking Balance Control” EF balance variable range setting pin.

 

 

 

 

48

NC

—

No connection.

 

 

 

 

49

DEF

O

Disc defect detector output pin.

 

 

 

 

50

CLK

I

Reference clock input pin. 4.23 MHz of the DSP is input.

 

 

 

 

51

CL

I

Microprocessor command clock input pin.

 

 

 

 

52

DAT

I

Microprocessor command data input pin.

 

 

 

 

53

CE

I

Microprocessor command chip enable input pin.

 

 

 

 

54

DRF

O

“Detect RF” RF level detector output.

 

 

 

 

55

FSS

I

“Focus Search Select” focus search mode (± search/+ search) select pin.

 

 

 

 

56

VCC2

—

Servo system and digital system Vcc pin.

 

 

 

 

57

REFI

—

Pin to which external bypass capacitor for reference voltage is connected.

 

 

 

 

58

VR

O

Reference voltage output pin.

 

 

 

 

59

LF2

I

Disc defect detector time constant setting pin.

 

 

 

 

60

PH1

I

Pin to which external capacitor for RF signal peak holding is connected.

 

 

 

 

61

BH1

I

Pin to which external capacitor for RF signal bottom holding is connected.

 

 

 

 

62

LDD

O

APC circuit output pin.

 

 

 

 

63

LDS

I

APC circuit input pin.

 

 

 

 

64

VCC1

—

RF system Vcc pin.

 

 

 

 

30

Page 19 Page 21
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Image 20
Aiwa CSD-TD52, CSD-TD51, CSD-TD53 Tes, Slof, Rfs, Slc, Dsp, Sli, Fsc, Tbc, Clk, Drf, Fss, VCC2, Refi, LF2, PH1, Lds, VCC1
Page 19 Page 21

CSD-TD52, CSD-TD53, CSD-TD51 specifications

The Aiwa CSD-TD51, CSD-TD53, and CSD-TD52 are a triumvirate of compact stereo cassette players that evoke nostalgia while integrating modern technology for an enhanced audio experience. These models, crafted with precision by Aiwa, a brand renowned for its dedication to quality audio equipment, cater to both audiophiles and casual listeners alike.

Starting with the CSD-TD51, this model is characterized by its dual cassette deck design, allowing users to play and record from one cassette to another effortlessly. It features high-speed dubbing, which significantly reduces the time taken to create duplicates of favorite tapes. The CSD-TD51 includes a built-in AM/FM tuner that offers a wide range of radio stations, providing access to various music genres and talk shows. Its robust speakers deliver rich sound quality, making it ideal for both intimate listening sessions and larger gatherings.

Moving on to the CSD-TD52, this model adds a modern twist with a sleek, compact design that fits beautifully into any room setting. The CSD-TD52 also supports both cassette playback and recording, ensuring that users can enjoy old favorite tapes or create mixes from their current collections. Notably, the incorporation of a digital clock and programmable memory adds convenience, allowing users to set times for playback and manage their listening experience more effectively. The sound quality remains a hallmark, with enhanced bass response, thanks to the innovative speaker system integrated within the unit.

Finally, the CSD-TD53 serves as the flagship of this trio, featuring advanced audio technologies such as Dolby Noise Reduction, which minimizes tape hiss for a cleaner sound. This model also includes additional features such as a CD player, expanding the listening options to include CDs and tapes alike. The CSD-TD53 supports various media formats, making it a versatile addition to any home or personal audio setup. With an elegant design and user-friendly interface, the CSD-TD53 is perfect for those who appreciate vintage tape technology while also wanting contemporary features.

Overall, the Aiwa CSD series is a testament to the brand's commitment to quality sound and design. These models not only revitalize the classic cassette experience but also incorporate features that cater to today's technology-driven music lovers, ensuring that timeless tunes are accessible in a modern format. Whether you are a nostalgic user or a new fan of cassette culture, these Aiwa models deliver a unique blend of past and present in one compact audio solution.
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