JVC AV-29V514/B service manual Height, Select Picture Features

Page 26

COMPRESS : ON (16:9)

Item

Measuring

Test point

Adjustment part

Description

instrument

V. HEIGHT

Signal

[4.DEF]

- PAL V. HEIGHT -

adjustment

generator

14. V. ZOOM

(1) Receive a PAL crosshatch signal of

vertical

Remote

3. V-SIZE

frequency 50Hz.

(2) Press the [MENU] key and select PICTURE.

control unit

(3) Select PICTURE FEATURES.

(4)

Select COMPRESS (16 : 9) and set COMPRESS to

Screen size

ON.

(5)

Select 4. DEF from the SERVICE MENU.

(6)

Set the initial setting value of 14. V. ZOOM.

(7)

Select 3. V-SIZE.

(8)

Set the initial setting value of 3. V-SIZE.

Screen

Vertical

(9) Adjust 3. V-SIZEto set the vertical amplitude of the

size

amplitude

image to 305mm.

- NTSC V. HEIGHT -

(1)

Receive a NTSC crosshatch signal of vertical

frequency 60Hz.

(2) Make similar adjustment of NTSC V. HEIGHT in

the same way as for "PAL V. HEIGHT".

V. SLOPE

Signal

[4.DEF]

- PAL V. SLOPE -

adjustment

generator

2. V-SLOPE

(1) Receive a PAL circle pattern signal of

vertical

frequency 50Hz.

Remote

(2) Select 4. DEF from the SERVICE MENU.

control unit

(3) Select 2. V-SLOPE.

(4)

Set the initial setting value of 2. V-SLOPE.

(5)

Adjust 2. V-SLOPEto make "A = B".

(6)

Press the [DISPLAY] key to return to SERVICE

A

MENU screen.

- NTSC V. SLOPE -

Blanking

(1)

Receive a NTSC circle pattern signal of

vertical

line

B

frequency 60Hz.

(2) Make similar adjustment of NTSC V-SLOPE in the

same way as for "PAL V-SLOPE".

1-26 (No.YA139)

Image 26

Contents Table of Contents AV-29V514/BSpecification Items ContentsLeakage Current Check Section PrecautionSafety Precautions Alternate Check MethodFunctions „ Remote Control Unit Section Specific Service InstructionsFeatures Component VIDEO-2 Input Terminal „ Front Panel Controls„ Rear Terminal VIDEO-1 Input Terminal Output TerminalMain CPU Main PWB IC701 PIN Function Pin no Pin name RemarkSection Disassembly Main PWB Speaker FBT Replacement of Memory IC Procedure for Replacing Memory ICFactory Setting Value „ Setting of System Constant SET Setting item Setting content Setting valueEdit / Manual „ Setting of Basic FunctionsPower Language Thai TintSoldering Iron Replacement of Chip ComponentHow to install Chip parts Resistors, capacitors, etc Transistors, diodes, variable resistors, etcPresetting Before Adjustment Section AdjustmentAdjustment Preparation Adjustment ItemsAdjustment Locations Front Control PWB ASS’Y 2/2Basic Operation in Service Menu HOW to Enter Service Menu Basic Operation in Service MenuService Menu Items Method of Setting NotesService Menu Flow Chart MHzIf Circuit Adjustments Adjustment ProcedureFocus Adjustment Delay PointComposite White Balance Video Circuit AdjustmentsWhite Component White BalanceContrast SUB BrightSUB Secam Colour SUB ColourPAL Colour Audio Setting SUB TintSlope Deflection Circuit Adjustments„ Compress OFF PAL V. Slope Ntsc V. Height Height PAL V. Height PAL H. PositionNtsc Side PIN Side PINPAL Side PIN TrapeziumNtsc Corner PIN Corner PINPAL Corner PIN ParallelSelect Picture Features PAL Trapezium PIN Ntsc Trapezium PIN„ Video 2 SET Component VSM Preset SettingPreset VSMPurity and Convergence „ Purity Adjustment „ Static Convergence Adjustment „ Dynamic Convergence AdjustmentSelf Check Functions Outline Section TroubleshootingIndication by the Power LED Self Check Items32 No.YA139 WPC