IC DESCRIPTIONS

OEC7035A

 

 

 

 

 

 

 

 

 

 

Pin No.

 

Pin Name

I/O

Description

1

 

AFT-SC

I

AFT S Curve input for tuner.

 

 

 

 

 

 

2

 

AGC-DET

I

Input of CASS DOWN, TAB switch and setting of service mode.

 

 

 

 

 

 

3

 

EOT

I

Tape end sensor input signal.

 

 

 

 

 

 

4

 

BOT

I

Tape start sensor input signal.

 

 

 

 

 

 

5

 

RF SW/A-ENV

I

Ground.

 

 

 

 

 

 

6

 

V-ENV

I

Input terminal of video RF envelope.

 

 

 

 

 

 

7

 

KEY-A

I

Key A input.

 

 

 

 

 

 

8

 

KEY-B

I

Key B input.

 

 

 

 

 

 

9

 

MSSW A

O

Input terminal (A) of mecha state sensor.

 

 

 

 

 

 

10

 

MSSW B

O

Input terminal (B) of mecha state sensor.

 

 

 

 

 

 

11

 

CAP FWD

O

Capstan forward and backward command.

 

 

 

 

 

 

12

 

CAP LIMIT

O

Switch the maximum output current of the Capstan Motor.

 

 

 

 

 

 

13

 

D.V SYNC

O

Imitative V-SYNC signal output during the special playback.

 

 

 

 

 

 

14

 

REMOCON

I

Input the infrared remote control.

 

 

 

 

 

 

15

 

NC

O

Not used.

 

 

 

 

 

 

16

 

NC

O

Not used.

 

 

 

 

 

 

17

 

NC

I

Not used.

 

 

 

 

 

 

18

 

V.HEAD SW

O

Output terminal of Head Switch.

 

 

 

 

 

 

19

 

A.HEAD SW

O

Not used.

 

 

 

 

 

 

20

 

POWER ON A H

O

For control the user power switch ON/OFF.

 

 

 

 

 

 

21

 

NC

O

Not used.

 

 

 

 

 

 

22

 

SENS LED

O

Mecha state sensor LED.

 

 

 

 

 

 

23

 

NC

O

Not used.

 

 

 

 

 

 

24

 

NC

O

Not used.

 

 

 

 

 

 

25

 

FF/REW L

O

Output "L" when fast forwarding or rewinding.

 

 

 

 

 

 

26

 

CAP MID-H

O

Power of Capstan Motor select.

 

 

 

 

 

 

27

 

CAP HI-H

O

Power of Capstan Motor select.

 

 

 

 

 

 

28

 

HEATER SW

O

-30V ON/OFF Control.

 

 

 

 

 

 

29

 

NA REC-H

O

Control the Bias OSC for audio head.

 

 

 

 

 

 

30

 

VV-H

O

Not used.

 

 

 

 

 

 

31

 

SERVICE 1

I

Setting of service mode 1.

 

 

 

 

 

 

32

 

SP STILL H

O

Not used.

 

 

 

 

 

 

33

 

NC

O

Not used.

 

 

 

 

 

 

34

 

NC

-

Not used.

 

 

 

 

 

 

35

 

NC

-

Not used.

 

 

 

 

 

 

36

 

CLKSEL

-

5V.

 

 

 

 

 

 

37

 

VCC

-

5V.

 

 

 

 

 

 

38

 

X IN

I

Connect the main crystal(12 MHz).

 

 

 

 

 

 

39

 

X OUT

O

Connect the main crystal(12 MHz).

 

 

 

 

 

 

40

 

VSS

-

Ground.

 

 

 

 

 

 

41

 

XC IN

I

Subclock pulse(32.768 KHz).

 

 

 

 

 

 

42

 

XC OUT

O

Subclock pulse(32.768 KHz).

 

 

 

 

 

 

43

 

RESET

I

Input terminal of reset signal.

 

 

 

 

 

 

44

 

NC

O

Not used.

 

 

 

 

 

 

45

 

NC

O

Not used.

 

 

 

 

 

 

46

 

I/O CTL

O

Control the Audio/Video input/output.

 

 

 

 

 

 

47

 

LDM FWD

O

Output signal to control the rotation direction of the Loading Motor.

 

 

 

 

 

 

48

 

LDM REV

O

Output signal to control the rotation direction of the Loading Motor.

 

 

 

 

 

 

49

 

NC

O

Not used.

 

 

 

 

 

 

50

 

RGB ON-H

O

If the EE/VV is "EE" or TV/VCR is "TV" and PELI CTRL-L is "L",

 

 

 

 

 

H Output will appear. And the others, "L" Output will appear.

F-1

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Aiwa HV-FX5100 service manual IC Descriptions, Pin No Pin Name Description
Page 51 Page 53

HV-FX5100 specifications

The Aiwa HV-FX5100 is a remarkable piece of technology that showcases Aiwa’s commitment to innovation and quality in the realm of home entertainment. Released as part of their VHS video cassette recorder lineup, the HV-FX5100 quickly gained popularity for its advanced features and user-friendly design.

One of the standout characteristics of the Aiwa HV-FX5100 is its impressive playback quality. The machine delivers crisp and clear video resolution, thanks to its advanced video processing technology. This ensures that viewers experience a vibrant picture with natural color reproduction, enhancing the viewing experience for VHS tapes.

The Aiwa HV-FX5100 is equipped with a range of functionalities that cater to the needs of modern consumers. A key feature is its Time Base Correction (TBC) technology, which helps eliminate jittery video, making it particularly useful for viewing older tapes or those that have been recorded on different machines. This technology significantly enhances the stability of the video playback, allowing for a smoother viewing experience.

Another notable feature of the HV-FX5100 is its built-in digital tuner, which allows users to receive and record digital broadcasts. This helps bridge the gap between analog recordings and the growing trend towards digital content, making it a versatile addition to any home entertainment system.

The design of the Aiwa HV-FX5100 also reflects its ease of use. With a straightforward interface and intuitive remote control, users can navigate and control the unit effortlessly. The VCR includes features like auto-tuning and programmed recording, which make it incredibly convenient for users to schedule recordings with minimal hassle.

In terms of connectivity, the Aiwa HV-FX5100 is equipped with various input and output options, including RCA connectors and S-Video outputs, allowing for seamless integration with TVs and other audiovisual equipment. This flexibility ensures that users can enjoy their favorite content across different media formats.

Furthermore, the construction of the HV-FX5100 is robust, promising longevity and durability. This makes it a reliable choice for those who want a dependable VCR to preserve and play their video collections.

Overall, the Aiwa HV-FX5100 stands out not just for its impressive list of features but also for its ability to adapt to both vintage and contemporary media needs. It represents a perfect harmony of classic technology and modern consumer demands, making it a treasured device for video enthusiasts.
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