3-2.ELECTRICAL ADJUSTMENTS

Note: The adjustment should be performed in

the order given in this service manual. The adjustments should be performed

Capstan motor Speed Adjustment

Procedure:

Mode: playback

for both L-CH and R-CH.

Set the BIAS and EQ switches according to the tape as follows.

test tape WS-48A

speed checker L FM-30

digital ?Ferkquencv counter

gj

 

cs-30 I Fe-Cr (METAL)

III: Fe-Cr

 

cs-40

AUTO

IV: METAL

 

Fe-Cr (METAL)

 

 

 

 

 

 

 

Switches and controls should be set as follows unless otherwise specified.

DOLBY NR switch:

OFF

TAPE switch:

AUTO (I: NORM)

Standard Record:

Deliver the standard input signal level to the input jack and set the REC LEVEL control to obtain the standard output signal level.

Standard

Input Level

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MIC

 

LINE IN

 

 

 

 

 

 

 

 

 

 

source

impedance

300 ohm

 

 

1 O k

 

 

 

 

 

 

 

 

 

input level

0.77 mV (-60 dB)

 

0.25

V (-10 dB)

 

 

 

 

 

 

 

 

 

Standard

Output Level

 

 

 

 

 

 

 

 

1 \ 1 H E A D P H O N E S 1 L I N E O U T 1

 

 

 

 

 

 

 

 

1

load

impedance

 

 

 

 

8n

I

 

4 7 k

1

 

 

 

 

 

 

output

level

31 mV (-26dB) 1 0.435

V (-5 dB) I

 

 

 

 

 

 

 

 

(3 kHz, 0 dB)

set

LINE OUT

Specification:

1 Speed checker I Digital frequency counter I

I -0.8~+0.8% I

2975 ~3025 Hz

I

Frequency difference between the beginning and the end of the tape should be within 0.84% (25 Hz).

Adjustment Location:

motor

Adjust the speed by using screwdriver. When turning the screw clockwise, speed is faster.

- 1 5-

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Sony TC-FX45 specifications III Fe-Cr

TC-FX45 specifications

The Sony TC-FX45 is a remarkable cassette deck that exemplifies the innovative spirit of Sony in the realm of audio technology during the late 20th century. Built with a robust design and a range of advanced features, the TC-FX45 is revered by audiophiles and music enthusiasts alike for its performance and reliability.

One of the standout features of the TC-FX45 is its dual capstan drive system, which facilitates precise tape transport and playback. This design minimizes wow and flutter, ensuring that recordings maintain a high level of fidelity and clarity. The dual-capstan mechanism works in conjunction with Sony's advanced tape handling technologies to deliver consistent performance, even with various types of cassette tapes.

The TC-FX45 is equipped with a three-head system that allows for real-time monitoring of recordings. This means that users can listen to their recordings while they are being made, ensuring optimal sound quality. The separate erase, record, and playback heads help to achieve superior sound reproduction, delivering crisp highs and warm lows characteristic of high-quality audio playback.

Another pivotal aspect of the TC-FX45 is its built-in Dolby B and C noise reduction systems. These technologies significantly reduce tape hiss, providing users with a cleaner, more enjoyable listening experience. By minimizing unwanted noise, the TC-FX45 enhances the overall dynamic range of recordings, making vocals and instruments stand out more distinctly.

Furthermore, the TC-FX45 features a variety of useful controls, including an easy-to-read LED display, a complete auto-stop function, and a convenient cue and review mechanism. These controls enhance user interaction and facilitate seamless operation, contributing to an effective recording and playback experience.

For connection versatility, the TC-FX45 also includes line in and out jacks, allowing for easy integration with other audio equipment. This connectivity ensures that users can incorporate the TC-FX45 into their home audio systems without hassle.

Overall, the Sony TC-FX45 is a testament to the brand’s commitment to audio excellence. Its blend of sophisticated technology, user-friendly features, and robust build quality makes it a desirable choice for anyone seeking high-fidelity tape playback and recording solutions. Whether you are archiving old tapes or creating new mixes, the TC-FX45 stands as a reliable and high-performing cassette deck that has stood the test of time.