JVC HV-29LPZ/EE Service Adjustments, Before Starting Service Adjustment, Adjustment Items

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HV- 29LPZ

SERVICE ADJUSTMENTS

BEFORE STARTING SERVICE ADJUSTMENT

1.There are 2 ways of adjusting this TV: One is with the REMOTE CONTROL UNIT and the other is the conventional method using adjustment parts and components.

2.The setting (adjustment) using the REMOTE CONTROL UNIT is made on the basis of the initial setting values. The setting values which adjust the screen to the optimum condition can be different from the initial setting values.

3.Make sure that connection is correctly made to AC power source.

4.Turn on the power of the TV and measuring instrument for warming up for at least 30 minutes before starting adjustment.

5.If the receive or input signal is not specified, use the most appropriate signal for adjustment.

6.Never touch parts (such as variable resistors, transformers and condensers) not shown in the adjustment items of this service adjustment.

7.Preparation for adjustment (presetting):

Unless otherwise specified in the adjustment items, preset the following functions with the REMOTE CONTROL UNIT:

"Setting position

PICTURE MODE (VSM)

STANDARD

 

 

SLEEP TIMER

OFF

 

 

BALANCE

CENTER

 

 

ECO

OFF

 

 

ZOOM

REGULAR

 

 

MEASURING INSTRUMENT AND FIXTURES

1.DC voltmeter (or digital voltmeter)

2.Oscilloscope

3.Signal generator (Pattern generator) [PAL / SECAM / NTSC]

4.Remote control unit

ADJUSTMENT ITEMS

Checking items.

Adjustment of FOCUS/SCREEN.

VSM preset setting.

VIDEO / CHROMA circuit adjustment.

DEFLECTION circuit adjustment.

AUDIO circuit adjustment. (Do not adjust)

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Contents Contents HV-29LPZ HV-29LPZ HV-29LPZ HV-29LPZSpecifications Safety Precautions Features Main Difference ListMain PWB System Block DiagramMicom PWB Sync SEP PWBFunctions Front Terminal & ControlRemote Control Unit SUB-PICTURESpecific Service Instructions Disassembly ProcedureDome Control Base Micom Power & DEF PWB Claw ChassisHV- 29LPZ Speaker BOXCRT Change Table Approx Removing the CRTSilicon grease product No. KS 650N Cloth CRT Cabinet Change TableSystem Constant SET Model No Setting item Setting Values of System Constant SET TableService Menu Setting Items Table Setting item Setting valuePicture Features User Setting Values TablePicture Setting SoundAdjustment Items Service AdjustmentsBefore Starting Service Adjustment Measuring Instrument and FixturesTOP Adjustment LocationsFron T FrontService Menu Items Basic Operation Service MenuTool of Service Menu Operation Zoom Aspect FreqWB Preset Shipping OFF Basic Operation of Service MenuVSM Preset Service MenuService Menu Screen Service MenuAUDIO, 6. STATUS, 9. Shippingoff & 0. BUS Free Method of SettingRelease of Service Menu RGB BLK AdjustmentChecking Item DEF PWBFocus Adjustment of Focus & ScreenAdjustment Signal Screen VRBright Sharp Colour Tint VSM Preset SettingStandard Soft Setting Values of VSM Preset BrightVIDEO/CHROMA Circuit Adjustment Method of adjustment without measuring instrument PAL/SECAM/NTSC Colour ⅠPAL/SECAM/NTSC Colour Ⅱ CRT SUB Tint SUB Tint Ⅱ CRT100Hz 60Hz p DEF. Circuit AdjustmentRegular Zoom Fixed ValueSize AdjustmentShift Aspect Zoom Screen Regular PositionAspect Mode ADJ. Item RegularCenter FixedCorner TrapezCOR-PIN COR-UP13.V.LIN LIN12.V-S.CR Quasi Audio Circuit AdjustmentAUDIODo not adjust Setting item Variable range Fixed value Magnets PURITY, Convergence AdjustmentPurity Adjustment Purity MagnetStatic Convergence Adjustment Front ViewSoldering Iron Replacement of Chip ComponentReplacement Steps # Resistors, capacitors, etcHV- 29LPZ