JVC AV-25MXP6/V Adjustment Location AV-29MXP6/V, Main PWB ASS’Y CRT Socket, 18 No.YA476

Page 18

4.6ADJUSTMENT LOCATION [AV-29MXP6/V]

FRONT CONTROL PWB ASS’Y (1/2)

FRONT CONTROL PWB ASS’Y (2/2)

SPEAKER (L)

SPEAKER (R)

 

 

FRONT

 

 

 

 

 

 

FRONT

 

 

S805

S801

S803

J804 J803 J802

J801

 

 

 

 

 

S804

S806

S802

 

 

 

S901

W

CNDEG

 

 

 

 

 

CN00S

 

 

 

 

 

 

 

 

 

 

CN001

CN002

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PW

 

 

 

 

 

 

 

 

 

POWER

 

 

 

 

 

 

 

 

 

CORD

 

 

 

 

 

 

 

 

 

DEG COIL

ROTATION COIL

MAIN PWB ASS’Y

 

 

 

 

 

 

 

R

 

FRONT

CN00W

CN001

 

 

 

 

CN002

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC702

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

IC701

 

 

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DEF YOKE

 

 

 

 

 

 

HV

 

 

 

 

 

 

 

CN00C

 

6

1

 

 

 

1

 

 

1. 5V

 

 

 

 

 

 

 

 

2. SCL0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BASS

 

 

 

3. SDA0

6

1

HVT

 

 

 

 

 

4. SCL1

 

U

 

 

 

 

 

 

 

 

CN00X

 

 

 

5. SDA1

 

 

 

 

 

 

 

 

 

 

 

PWB ASS'Y

 

 

 

 

 

 

 

6. GND

 

 

 

 

1. B1

 

 

 

 

GND

5V

 

 

B1

2. NC

 

 

 

 

 

 

3. X-RAY2

J805

J801

J802

J803

J804

 

 

 

 

 

 

 

 

4. X-RAY1

 

 

 

 

6

1

 

5

1

 

 

 

 

 

5. GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

 

TU001

 

 

UPPER : FOCUS

 

LOWER : SCREEN

CRT EARTH (BRAIDED ASS'Y)

MAIN PWB ASS’Y (CRT SOCKET)

 

(SOLDER SIDE)

 

 

 

 

TOP

 

 

TP-47B

 

TP-E

 

 

 

 

 

TP-47R

 

 

 

 

TP-47G

 

 

 

 

T

 

 

 

1

8

 

 

 

 

 

E1

 

 

 

E2

 

 

 

 

CRT EARTH

1

 

6

 

(BRAIDED ASS'Y)

U

 

 

 

1-18 (No.YA476)

Page 17 Page 19
Image 18
Page 17 Page 19
Contents AV-29MXP6/V Items Contents AV-21MXP6/V AV-25MXP6/V AV-29MXP6/VAlternate Check Method Safety PrecautionsLeakage Current Check No.YA4761-3Picture Mode Features DVD Picture ModeAuto Signal Detect Cinema SurroundTechninal Information Main MI-COM CPU PIN Function No.YA4761-5Removing the Main PW Board Disassembly Procedure AV-21MXP6/V Removing the Rear CoverWire Clamping and Cable Tying Removing the SpeakerAV-21MXP6/X No.YA4761-7Disassembly Procedure AV-25MXP6/V Removing the Rear Cover AV-25MXP6/V No.YA4761-9Removing the AV Terminal Board Disassembly Procedure AV-29MXP6/V Removing the Rear CoverRemoving the Chassis Chassis Base and Control Base Remove the Rear Cover Remove the 4 screws C as shownFront Side No.YA4761-11Memory IC Replacement MenuRemote Control Direct Operation System Constant SettingSettings of Factory Shipment Button Operation Remote Control Menu Operation Picture SettingService Mode Setting Items Feature SettingInstall Setting VSM PresetSoldering Iron Replacement of Chip ComponentHow to install Chip parts Resistors, capacitors, etc Transistors, diodes, variable resistors, etcAdjustment Items „ Check Items Adjustment PreparationPreset Setting Before Adjustment „ VSM Preset SettingAdjustment Location AV-21MXP6/V, AV-25MXP6/V FrontNo.YA4761-17 Adjustment Location AV-29MXP6/V Main PWB ASS’Y CRT Socket18 No.YA476 Memorize the Adjustment Data Service Mode ItemsSetting Method Release of Service ModeService Mode Flow Chart 20 No.YA47632 ~ +31 Initial Setting Value of Service ModePAL Secam NTSC3 NTSC4 Video No.YA4761-2122 No.YA476 No.YA4761-23 100Hz 300Hz 1kHz 3kHz 8kHz AV-21MXP6/V FunctionMode AV-25MXP6/V Function+11 AV-29MXP6/V Function+12 No.YA4761-25S.CR 32 ~ +31 Compress43 50Hz Others 60Hz LIN 32 ~ +3143 50Hz 50Hz 60HzBright Soft TheaterCool Warm Normal Theater B1 Voltage Adjustment Procedure Check ItemMeasuring Test point Adjustment part Description Instrument High Voltage HV voltmeterAGC Delay PointTuner / if Circuit FocusNtsc V. Position PositionPAL V. Position SizeSide PIN PAL H. SizeNtsc H. Size PAL Side PINNtsc V. Linearity LinearityPAL V. Linearity Corner PINBOW PAL H. BOWNtsc H. BOW Ntsc Trapezium PIN Follow the same to 7 as in PAL Side PINPAL Trapezium PIN Select 8. COR-UPWhite „ Video 2 SET ComponentVideo Circuit Composite White BalanceContrast SUB BrightSUB SUB ColourNtsc 3.58 Tint SUB TintPAL Tint Ntsc 4.43 Tint1. R Drive to 3. B Drive to the values VSM Preset SettingSTANDARD, Soft and Theater Warm and NormalPurity and Convergence „ Purity Adjustment „ Static Convergence Adjustment „ Dynamic Convergence AdjustmentNo.YA4761-41 Self Check Items Indication by the Power LEDSelf Check Functions Outline Self Check Indicating FunctionVPT Schematic Diagrams Copyright 2006 Victor Company of Japan, LimitedIndications on the Circuit Diagram SafetyIndication of Parts Symbol Example Specified Voltage and Waveform ValuesMain PWB Pattern ContentsAV-21MXP6/V, AV-25MXP6/V AV-29MXP6/V 2No.YA476Main PWB No.YA4762-32-4No.YA476Front Control PWB1/2 Main PWB Circuit Diagram AV-21MXP6/V 1/4 2/4 SHEET1 No.YA4762-72-8No.YA476Main PWB Circuit Diagram AV-21MXP6/V 3/44/4 SHEET2 No.YA4762-92-10No.YA476Main PWB Circuit Diagram AV-25MXP6/V 1/4 2/4 Sheet No.YA4762-112-12No.YA476Main PWB Circuit Diagram AV-25MXP6/V 3/44/4 SHEET4 No.YA4762-132-14No.YA476Main PWB Circuit Diagram AV-29MXP6/V 1/2 Sheet No.YA4762-152-16No.YA476Main PWB Circuit Diagram AV-29MXP6/V 2/2 Sheet No.YA4762-172-18No.YA476CRT Socket PWB Circuit Diagram AV-29MXP6/V Sheet No.YA4762-192-20No.YA476Front Control PWB Circuit Diagram AV-29MXP6/V Sheet No.YA4762-212-22No.YA476Bass PWB Circuit Diagram Sheet No.YA4762-232-24No.YA476Front No.YA4762-25 26No.YA476Main PWB Pattern AV-29MXP6/V No.YA4762-272-28No.YA476Bass PWB Pattern Parts Side CRT Socket PWB Pattern AV-29MXP6/VBass PWB Pattern Solder Side No.YA4762-292-30No.YA476Front Control PWB Pattern AV-29MXP6/V No.YA4762-312-32No.YA476Voltage Charts AV-21MXP6/V, AV-25MXP6/V No.YA4762-332-34No.YA476Waveforms AV-21MXP6/V, AV-25MXP6/V No.YA4762-3536No.YA476 Main PWBNo.YA476 Parts List No.YA4763-1Contents Using P.W. Board & Remote Control Unit No.YA4763-3100 V01 L01 101 102 106 103 105 104 T5224No.YA476 Printed Wiring Board Parts List No.YA4763-56No.YA476 No.YA4763-7 8No.YA476 No.YA4763-9 487 5 10No.YA476No.YA4763-11 V01 L01 100 101 102 106 103 105 104 12No.YA476Main P.W. Board Assy SCW-1646A-H2 No.YA4763-1314No.YA476 No.YA4763-15 16No.YA476 No.YA4763-17 18No.YA476 B Assy AV-29MXP6/VV01 L01 100 101 103 DY01 2822 3018 102 40 T522 No.YA4763-19Main P.W. Board Assy SCW-1647A-H2 20No.YA476No.YA4763-21 22No.YA476 No.YA4763-23 CRT Socket P.W. Board Assy SCW-3037A-H2 24No.YA476Bass P.W. Board Assy SCW-6003A-H2 No.YA4763-25Packing Packing Parts List Colour Television Do not allow objects or liquid into the cabinet openings Knowing your TV’s features Main featuresRemote control buttons and basic functions No. PressRemote control buttons and basic functions TV buttons and functions Front of the TVSetting up your TV Turn off the equipment including the TV before connectingSetting up your TV Basic setting for picture Picture ModeColour System Picture Setting White Balance Picture BoosterCompress Advanced setting for pictureAI ECO Sensor ECO/ECO Mode Blue BackOriginal features for picture PIPSound System Basic setting for soundSound Mode BalanceCinema Surround Advanced setting for soundAI Volume EqualizerDVD Sound Mode Auto Signal DetectDVD Picture Mode DVD MenuCustomized setting VIDEO-2 Setting Display BeepTV channel presetting Auto ProgramDelete TV channel presetting CH/CC number Before connecting Additional preparationTroubleshooting Specifications AV-25MXP6Model AV-29B316 AV-29M316 AV-29S356 AV-29B316BK

AV-29MXP6/V, AV-21MXP6/V, AV-25MXP6/V specifications

The JVC AV-25MXP6/V, AV-21MXP6/V, and AV-29MXP6/V are a trio of high-performance CRT televisions that represent a combination of cutting-edge technology and practical design, catering to the diverse needs of home entertainment enthusiasts. These models are characterized by their impressive picture quality, robust build, and user-friendly features, making them a prominent choice during their production era.

One of the key features of these models is their screen sizes, which cater to different room sizes and viewing preferences. The AV-25MXP6/V offers a compact 25-inch display, ideal for smaller living spaces or bedrooms, while the AV-21MXP6/V with its 21-inch screen is perfect for desk setups or as a secondary television. The AV-29MXP6/V, on the other hand, boasts a larger 29-inch display, making it suitable for home theaters or larger family rooms.

JVC is renowned for its superior picture technology, and these models are no exception. They utilize a high-quality CRT screen that provides deep contrast, vivid colors, and sharp details. The picture performance is further enhanced by JVC's proprietary circuitry, including a dynamic contrast system that adjusts brightness and contrast levels based on the content being displayed, resulting in a more immersive viewing experience.

Moreover, these televisions come equipped with several input options, including RF, composite, and S-video inputs, allowing users to connect multiple external devices such as DVD players, game consoles, and VCRs. With built-in tuners, viewers can easily access over-the-air broadcasting, making these models versatile entertainment hubs.

Another noteworthy characteristic is the user-friendly interface that JVC has engineered into the AV-25MXP6/V, AV-21MXP6/V, and AV-29MXP6/V models. The on-screen menu provides quick access to settings and customization options, allowing users to tailor the viewing experience to their preferences, including the ability to adjust color tones and picture settings.

In addition to their functionality, these televisions also sport an elegant design that incorporates a sleek frame and aesthetically pleasing finish, making them a suitable complement to any home décor.

Overall, the JVC AV-25MXP6/V, AV-21MXP6/V, and AV-29MXP6/V models represent a harmonious blend of technology, style, and user-centric features, making them reliable choices for anyone seeking quality CRT televisions for their home entertainment needs. Though newer technologies have since emerged, these models remain a fond memory for many who experienced their remarkable performance.
Top Page Image Contents