JVC AV-29V514/B service manual PAL Trapezium PIN, Ntsc Trapezium PIN

Page 27

Item

Measuring

 

Test point

Adjustment part

 

Description

instrument

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIDE PIN

Signal

 

 

 

 

 

 

[4. DEF]

- PAL SIDE PIN -

adjustment

generator

 

 

 

 

 

 

7. EW-PIN

(1) Receive a PAL crosshatch signal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2)

Select 7. EW-PIN.

 

Remote

 

 

 

 

 

 

 

 

(3)

Set the initial setting value of 7. EW-PIN.

 

control unit

 

 

 

 

 

 

 

 

(4)

Adjust 7. EW-PINso that the first vertical lines at the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

left and right edges on the screen are straight.

 

 

 

 

 

 

Straight

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- NTSC SIDE PIN -

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1)

Receive a NTSC crosshatch signal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2)

Make similar adjustment of NTSC SIDE PIN in the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

same way as for "PAL SIDE PIN".

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRAPEZIUM

Signal

 

 

 

 

 

 

[4. DEF]

- PAL TRAPEZIUM PIN -

adjustment

generator

 

 

 

 

 

 

6. TRAPEZ

(1) Receive a PAL crosshatch signal.

 

Remote

 

 

 

 

 

 

 

 

(2)

Select 6. TRAPEZ.

 

 

 

 

 

 

 

 

 

(3)

Set the initial setting value of 6. TRAPEZ.

 

control unit

 

 

 

 

 

 

 

 

(4)

Adjust 6. TRAPEZ so that the vertical lines at the left

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and right edges on the screen are in parallel.

 

 

 

 

 

 

Parallel

 

 

 

 

 

 

 

 

 

 

 

 

 

- NTSC TRAPEZIUM PIN -

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1)

Receive a NTSC crosshatch signal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2)

Make similar adjustment of NTSC TRAPEZIUM in

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the same way as for "PAL TRAPEZIUM".

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CORNER PIN

Signal

 

 

 

 

 

 

 

[4. DEF]

- PAL CORNER PIN -

adjustment

generator

 

 

 

 

 

 

 

8. COR-UP

(1)

Receive a PAL crosshatch signal.

 

Remote

 

 

 

 

 

 

 

9. COR-LO

(2)

Select 8. COR-UP.

 

 

 

 

 

 

 

 

 

 

(3)

Set the initial setting value of 8. COR-UP.

 

control unit

 

 

 

 

 

 

 

 

 

(4)

Select 9. COR-LO.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(5)

Set the initial setting value of 9. COR-LO.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Straigt

 

 

(6)

Adjust 8. COR-UPand 9. COR-LOso that the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

vertical lines at the four corners on the screen are

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

straight.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- NTSC CORNER PIN -

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1)

Receive a NTSC crosshatch signal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2)

Make similar adjustment of NTSC CORNER in the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

same way as for "PAL CORNER".

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3)

Press the [DISPLAY] key twice to return to the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

normal screen.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(No.YA139)1-27

Image 27
Contents AV-29V514/B Table of ContentsItems Contents SpecificationAlternate Check Method Section PrecautionSafety Precautions Leakage Current CheckSection Specific Service Instructions FeaturesFunctions „ Remote Control Unit Output Terminal „ Front Panel Controls„ Rear Terminal VIDEO-1 Input Terminal Component VIDEO-2 Input TerminalPin no Pin name Remark Main CPU Main PWB IC701 PIN FunctionSection Disassembly Main PWB Speaker FBT Procedure for Replacing Memory IC Replacement of Memory ICSetting item Setting content Setting value Factory Setting Value „ Setting of System Constant SETLanguage Thai Tint „ Setting of Basic FunctionsPower Edit / ManualTransistors, diodes, variable resistors, etc Replacement of Chip ComponentHow to install Chip parts Resistors, capacitors, etc Soldering IronAdjustment Items Section AdjustmentAdjustment Preparation Presetting Before AdjustmentFront Control PWB ASS’Y 2/2 Adjustment LocationsMethod of Setting Notes Basic Operation in Service MenuService Menu Items Basic Operation in Service Menu HOW to Enter Service MenuMHz Service Menu Flow ChartDelay Point Adjustment ProcedureFocus Adjustment If Circuit AdjustmentsComponent White Balance Video Circuit AdjustmentsWhite Composite White BalanceSUB Bright SUBContrast SUB Colour PAL ColourSecam Colour SUB Tint Audio SettingPAL V. Slope Deflection Circuit Adjustments„ Compress OFF SlopePAL H. Position HeightPAL V. Height Ntsc V. HeightTrapezium Side PINPAL Side PIN Ntsc Side PINParallel Corner PINPAL Corner PIN Ntsc Corner PINSelect Picture Features Ntsc Trapezium PIN PAL Trapezium PINVSM VSM Preset SettingPreset „ Video 2 SET ComponentPurity and Convergence „ Purity Adjustment „ Dynamic Convergence Adjustment „ Static Convergence AdjustmentSelf Check Items Section TroubleshootingIndication by the Power LED Self Check Functions Outline32 No.YA139 WPC