MECHANICAL ADJUSTMENTS

1-4: CONFIRMATION OF VSR TORQUE

1.Operate within 4~5 seconds after the reel disk begins to turn.

2.Install the Torque Gauge (JG002F) and Adapter (JG002B) on the S Reel. Set to the Rewind mode. (Refer to Fig.1-4)

3.Then, confirm that it indicates 120~180gf•cm.

NOTE

Install the Torque Gauge on the reel disk firmly. Press the REW button to turn the reel disk.

1-5: CONFIRMATION OF REEL BRAKE TORQUE

(S Reel Brake) (Refer to Fig. 1-4)

1.Set to the STOP mode.

2.Move the Idler Ass'y from the S Reel.

3.Install the Torque Gauge (JG002F) and Adapter (JG002B) on the S Reel. Turn the Torque Gauge (JG002F) clockwise.

4.Then, confirm that it indicates 70~100gf•cm.

(T Reel Brake) (Refer to Fig. 1-4)

1.Set to the STOP mode.

2.Move the Idler Ass'y from the T Reel Ass'y.

3.Install the Torque Gauge (JG002E) and Adapter (JG002B) on the T reel. Turn the Torque Gauge (JG002E) counterclockwise.

4.Then, confirm that it indicates 35~60gf•cm.

Torque Gauge/Adapter (JG002F/JG002B)

Torque Gauge/Adapter (JG002E/JG002B)

2.CONFIRMATION AND ADJUSTMENT OF TAPE RUNNING MECHANISM

Tape Running Mechanism is adjusted precisely at the factory. Adjustment is not necessary as usual. When you replace the parts of the tape running mechanism because of long term usage or failure, the confirmation and adjustment are necessary.

2-1: GUIDE ROLLER

1.Playback the VHS Alignment Tape (JG001C or JG001E).

(Refer to SERVICING FIXTURE AND TOOLS)

2.Connect CH-1 of the oscilloscope to TP4002 (Envelope) and CH-2 to TP4001 (SW Pulse).

3.Press and hold the TRACKING-AUTO button on the remote control more than 2 seconds to set tracking to center.

4.Trigger with SW Pulse and observe the envelope. (Refer to Fig. 2-1-A)

5.When observing the envelope, adjust the Adjusting Driver (JG005) slightly until the envelope will be flat.

Even if you press the Tracking Button, adjust so that flatness is not moved so much.

6.Adjust so that the A : B ratio is better than 3 : 2 as shown in Fig. 2-1-B, even if you press the Tracking Button to move the envelope (The envelope waveform will begin to decrease when you press the Tracking Button).

7.Adjust the PG shifter during playback.

(Refer to the ELECTRICAL ADJUSTMENTS)

NOTE

After adjustment, confirm and adjust A/C head.

(Refer to item 2-2)

CH-1 Envelope (TP4002)

CH-1 CH-2

Track Track

CH-2

SW Pulse (TP4001)

S Reel

T Reel Ass'y

NOTE

Fig. 1-4

Envelope

(1)

CH-3

Audio

(2)

If the torque is out of the range, replace the following parts.

Check item

Replacement Part

 

 

1-4

Idler Ass'y/Clutch Ass'y

 

 

1-5

T Brake Spring/Tension Spring

 

 

Fig. 2-1-A

 

Entrance

 

 

Exit

Max

 

 

 

 

Max

 

A

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

A : B = 3 : 2

Fig. 2-1-B

D1-2

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Aiwa HV-FX5100 service manual Confirmation and Adjustment of Tape Running Mechanism
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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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