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

Page 52

 

 

 

 

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

Page 51 Page 53
Image 52
Page 51 Page 53
Contents HV-FX5100 K Table of Contents Servicing Notices on Checking Important NoticeDisassembly Instructions Removal of Mechanical Parts and P.C. BoardsRemoval of Deck Parts Link Assy Refer to Fig Tension Assy Refer to -9-ALoading Motor Assy Refer to Fig Sensor Cover L Refer to FigRefer to Mechanical Adjustment REEL/T Reel Assy Refer to FigPinch Roller ASSY/P5 ARM Assy Refer to -12-A 13 A/C Head Refer to -13-AAHC ASSY/CYLINDER Unit Assy Refer to Fig Capstan DD Unit Refer to FigMiddle GEAR/MAIN CAM Refer to -17-A Clutch Assy Refer to FigInclined S/T Assy Refer to Fig Loading Gear S/T Assy Refer to -19-AB2-5 DD Unit KEY to AbbreviationsC1-1 KEY to Abbreviations C1-2Service Mode List Confirmation of Using HoursAdjustment PG Shifter Method OperationsConfirmation of Using Hours Preventive Checks and Service IntervalsC3-1 Cleaning C3-2C4-1 Servicing Fixtures and Tools Preparation for ServicingVCR Test Tape Interchangeability Table C6-1Mechanical Adjustments Confirmation and AdjustmentUsing a Cassette Type Torque Tape JG100A D1-1Confirmation and Adjustment of Tape Running Mechanism Confirmation and Adjustment of AUDIO/ Control Head D1-3Mechanism Adjustment Parts Location Guide D1-4Electrical Adjustments Basic AdjustmentMODE-PLAYBACK D2-1Syscon PCB Electrical Adjustment Parts Location GuideD2-2 Troubleshooting Guide Power does not Turn onLoading BELT, DD Motor Power Shuts OFFBelt Capstan Power Block Cylinder not Rotating During Playback and RecordingAudio Shakes Cassette Loading Cassette Tape is Not AcceptedLoading Block When Inserting CASSETTE, IT Ejects Immediately Cassette Loading BlockFF/REW do not Work Head Switching Tape Loading is OK But Unloads ImmediatelyPlayback Picture Jitters Horizontally Playback Picture ShakesAuto Tracking does not Operate Troubleshooting Guide Playback Picture Jitters Vertically No Playback Picture CylinderNo Color During Playback Playback Picture is Noisy No Color During Self Recording and Playback No Normal Audio On Playback Capstan DD Motor not Rotating Audio can not be Recorded Cassette in and Down Unit has no Functions Does Video signal Appear at pin 31 IC4001 ? Yes Check Audio No E-EVIDEO Audio from TunerCheck Video No E-E Audio Mono AudioNo E-E Audio Stereo Audio MonoNo Tuner Audio Mono No Tuner Audio Stereo Troubleshooting Guide Hi-Fi Audio Cannot be IC Descriptions Pin No Pin Name DescriptionPower on L ONE Touch PBPeli CTL MUTE-HServo Timing Chart DPG *6PIN DFG *7PINSync E-E *4PIN REC CTL REC 7PIN Sync Trick PB !3PIN Waveform Changes Depended on the Tape SpeedFWD System Switch ModeRVS Semiconductor Base Connections DiodeAUDIO/HEAD AMP Block Diagram System CONTROL/SERVO/TIMER Block Diagram TUNER/HIFI/21PIN/OSD/VPS/NICAM Block Diagram Operation Block Diagram Power Block DiagramPower Syscon SERVO/TIMERRsqy Y6A Printed Circuit Boards Printed Circuit Boards Syscon Q1005 1005 UYN X5F 9aW7gR7nag gQVSOiWQ RWOUdO 0gsgQ aQP1 EfRc6UVSV dPURNeVP QVNTcN W488 SXheaPu hRWTbPjXR SXPVgPb UYSP‘ X59B Waveforms SYSCON/SERVO/TIMERAUDIO/HEAD AMP Mechanical Exploded View Syscon PCB AssyOperation 2 PCB Assy Operation 1 PCB AssyAccessory Replacement Parts List Mechanical Replacement Parts ListL2-1 Chassis Exploded View TOP View M1-1Chassis Exploded View Bottom View M1-2Chassis Replacement Parts List M2-1Electrical Replacement Parts List Syscon PCB AssyCORE,BEADS BF40DTA-3.5 Others

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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