JVC AV-21MXP6/V CRT Socket PWB Circuit Diagram AV-29MXP6/V Sheet, No.YA4762-192-20No.YA476

Page 55

CRT SOCKET PWB CIRCUIT DIAGRAM [AV-29MXP6/V] SHEET 7

MAIN PWB (1/2)

SHEET5

CN00T

MAIN PWB (2/2)

SHEET6

CN00U

IC351

CN0VM

D363

K204

X

R369

R351 100

C351

1000p

C352

!

4.7/250

R358

R352 100

1.5K

CRT SOCKET PWB ASS'Y

R353 100

C353

CN0VM

R354 100

R355

R356

R357

R359

SG351

!

K204

SCW-3037A-H2 [AV-29MXP6/V]

1.5K

X

SK351

D357

R369

SG352

X

R360

1.5K

L351

SG353

CN0VM

D354

D355

D356

X

K204

R369

C360

Q371

X

R371

TP-E

!

Q372

33K

R372

33K

Q373

R373

R377

33K

12K

SG354

R374

470K

X

CN00T

R375

R350

X

CN0SC

Q374

D350

X

D371

R369

C358

!

C371

*

R376

D372

5.6K

CN0E1

GNDH

CN0E2

HB

GNDH

HEATER

C201

GNDH

X

X

220/16

!

FR201

560

GNDH

K206

R221

R225

C217

CN00U

C216

1.2K

39

100/10

K202

10/160

HB

R211

C209

R226

R201

R204

R215

1.5K

Q204

100/16

K208

2.7

D203

X

X

Q202

C203

Q205

X

*6

C215

GNDH

X

10/50

R208

X

C202

Q201

.0047

HEATER

R202

15K

X

X

D201

Q208

X

C208

Y353 X

CN0VM

*3

R222

R232

X

**

R206

R216

56K

390

X

D202

X

C214

*3

10/160

R214

R219

R217

C213

R223

K203

10

47

X

1000p

56K

K205

R207

Y354 X

R205

Q203

R203

0

*6

X

X

C220

C204

R209

560p

150

C212

K204

K207

1.5K

C205

R212

Q209

*

Q207

R220

D204

X

47

R227

R210

Q206

C210

R224

C206

R213

K201

*7

C211

2.7

2.7K

X

820p

1.2K

3.3/50

220

C207

R218

R228

C218

5p

X

100/10

39

R229

C219

330/10

c21263-130906001a.001.1/1

NOTE) 1. Refer to page 2-34 for voltages of this circuit diagram. 2.Refer to page 2-36 for waveforms of this circuit diagram.

(No.YA476)2-192-20(No.YA476)

Image 55

Contents AV-29MXP6/V AV-21MXP6/V AV-25MXP6/V AV-29MXP6/V Items ContentsNo.YA4761-3 Safety PrecautionsLeakage Current Check Alternate Check MethodCinema Surround Features DVD Picture ModeAuto Signal Detect Picture ModeNo.YA4761-5 Techninal Information Main MI-COM CPU PIN FunctionRemoving the Speaker Disassembly Procedure AV-21MXP6/V Removing the Rear CoverWire Clamping and Cable Tying Removing the Main PW BoardNo.YA4761-7 AV-21MXP6/XDisassembly Procedure AV-25MXP6/V Removing the Rear Cover No.YA4761-9 AV-25MXP6/VRemove the Rear Cover Remove the 4 screws C as shown Disassembly Procedure AV-29MXP6/V Removing the Rear CoverRemoving the Chassis Chassis Base and Control Base Removing the AV Terminal BoardNo.YA4761-11 Front SideMenu Memory IC ReplacementRemote Control Menu Operation Picture Setting System Constant SettingSettings of Factory Shipment Button Operation Remote Control Direct OperationVSM Preset Feature SettingInstall Setting Service Mode Setting ItemsTransistors, diodes, variable resistors, etc Replacement of Chip ComponentHow to install Chip parts Resistors, capacitors, etc Soldering Iron„ VSM Preset Setting Adjustment PreparationPreset Setting Before Adjustment Adjustment Items „ Check ItemsFront Adjustment Location AV-21MXP6/V, AV-25MXP6/VNo.YA4761-17 Main PWB ASS’Y CRT Socket Adjustment Location AV-29MXP6/V18 No.YA476 Release of Service Mode Service Mode ItemsSetting Method Memorize the Adjustment Data20 No.YA476 Service Mode Flow ChartNo.YA4761-21 Initial Setting Value of Service ModePAL Secam NTSC3 NTSC4 Video 32 ~ +3122 No.YA476 No.YA4761-23 AV-25MXP6/V Function AV-21MXP6/V FunctionMode 100Hz 300Hz 1kHz 3kHz 8kHzNo.YA4761-25 AV-29MXP6/V Function+12 +11LIN 32 ~ +31 Compress43 50Hz Others 60Hz S.CR 32 ~ +3150Hz 60Hz 43 50HzTheater Bright SoftCool Warm Normal Theater High Voltage HV voltmeter Adjustment Procedure Check ItemMeasuring Test point Adjustment part Description Instrument B1 VoltageFocus Delay PointTuner / if Circuit AGCSize PositionPAL V. Position Ntsc V. PositionPAL Side PIN PAL H. SizeNtsc H. Size Side PINCorner PIN LinearityPAL V. Linearity Ntsc V. LinearityPAL H. BOW BOWNtsc H. BOW Select 8. COR-UP Follow the same to 7 as in PAL Side PINPAL Trapezium PIN Ntsc Trapezium PINComposite White Balance „ Video 2 SET ComponentVideo Circuit WhiteSUB Colour SUB BrightSUB ContrastNtsc 4.43 Tint SUB TintPAL Tint Ntsc 3.58 TintWarm and Normal VSM Preset SettingSTANDARD, Soft and Theater 1. R Drive to 3. B Drive to the valuesPurity and Convergence „ Purity Adjustment „ Dynamic Convergence Adjustment „ Static Convergence AdjustmentNo.YA4761-41 Self Check Indicating Function Indication by the Power LEDSelf Check Functions Outline Self Check ItemsVPT Copyright 2006 Victor Company of Japan, Limited Schematic DiagramsSpecified Voltage and Waveform Values SafetyIndication of Parts Symbol Example Indications on the Circuit Diagram2No.YA476 ContentsAV-21MXP6/V, AV-25MXP6/V AV-29MXP6/V Main PWB PatternNo.YA4762-32-4No.YA476 Main PWBFront Control PWB1/2 No.YA4762-72-8No.YA476 Main PWB Circuit Diagram AV-21MXP6/V 1/4 2/4 SHEET1No.YA4762-92-10No.YA476 Main PWB Circuit Diagram AV-21MXP6/V 3/44/4 SHEET2No.YA4762-112-12No.YA476 Main PWB Circuit Diagram AV-25MXP6/V 1/4 2/4 SheetNo.YA4762-132-14No.YA476 Main PWB Circuit Diagram AV-25MXP6/V 3/44/4 SHEET4No.YA4762-152-16No.YA476 Main PWB Circuit Diagram AV-29MXP6/V 1/2 SheetNo.YA4762-172-18No.YA476 Main PWB Circuit Diagram AV-29MXP6/V 2/2 SheetNo.YA4762-192-20No.YA476 CRT Socket PWB Circuit Diagram AV-29MXP6/V SheetNo.YA4762-212-22No.YA476 Front Control PWB Circuit Diagram AV-29MXP6/V SheetNo.YA4762-232-24No.YA476 Bass PWB Circuit Diagram SheetNo.YA4762-25 26No.YA476 FrontNo.YA4762-272-28No.YA476 Main PWB Pattern AV-29MXP6/VNo.YA4762-292-30No.YA476 CRT Socket PWB Pattern AV-29MXP6/VBass PWB Pattern Solder Side Bass PWB Pattern Parts SideNo.YA4762-312-32No.YA476 Front Control PWB Pattern AV-29MXP6/VNo.YA4762-332-34No.YA476 Voltage Charts AV-21MXP6/V, AV-25MXP6/VNo.YA4762-35 Waveforms AV-21MXP6/V, AV-25MXP6/VMain PWB 36No.YA476No.YA476 No.YA4763-1 Parts ListContents No.YA4763-3 Using P.W. Board & Remote Control Unit106 103 105 104 T522 100 V01 L01 101 1024No.YA476 No.YA4763-5 Printed Wiring Board Parts List6No.YA476 No.YA4763-7 8No.YA476 No.YA4763-9 10No.YA476 487 5No.YA4763-11 12No.YA476 V01 L01 100 101 102 106 103 105 104No.YA4763-13 Main P.W. Board Assy SCW-1646A-H214No.YA476 No.YA4763-15 16No.YA476 No.YA4763-17 B Assy AV-29MXP6/V 18No.YA476No.YA4763-19 V01 L01 100 101 103 DY01 2822 3018 102 40 T52220No.YA476 Main P.W. Board Assy SCW-1647A-H2No.YA4763-21 22No.YA476 No.YA4763-23 24No.YA476 CRT Socket P.W. Board Assy SCW-3037A-H2No.YA4763-25 Bass P.W. Board Assy SCW-6003A-H2Packing Packing Parts List Colour Television Do not allow objects or liquid into the cabinet openings Main features Knowing your TV’s featuresNo. Press Remote control buttons and basic functionsRemote control buttons and basic functions Front of the TV TV buttons and functionsTurn off the equipment including the TV before connecting Setting up your TVSetting up your TV Picture Mode Basic setting for pictureColour System Picture Booster Picture Setting White BalanceBlue Back Advanced setting for pictureAI ECO Sensor ECO/ECO Mode CompressPIP Original features for pictureBalance Basic setting for soundSound Mode Sound SystemEqualizer Advanced setting for soundAI Volume Cinema SurroundDVD Menu Auto Signal DetectDVD Picture Mode DVD Sound ModeCustomized setting Beep VIDEO-2 Setting DisplayAuto Program TV channel presettingDelete TV channel presetting CH/CC number Additional preparation Before connectingTroubleshooting AV-25MXP6 SpeciﬁcationsModel 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.