JVC HV-29LPZ/EE, HV-29LPZ/HK, HV-29LPZ/-A service manual SUB Tint Ⅱ CRT

Page 26

HV- 29LPZ

 

 

Item

 

 

 

Measuring

Test point

Adjustment part

 

Description

 

 

 

 

 

instrument

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Adjustment

 

 

Remote

 

 

 

8.TINT

[Method of adjustment without measuring instrument]

of

 

 

control unit

 

 

 

 

 

 

 

 

 

 

 

NTSC 3.58 TINT

(NTSC 3.58 TINT)

SUB TINT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Input a NTSC 3.58MHz COMPOSITE VIDEO signal (full field

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

colour bar with 75% white) from the EXT terminal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.

Select 2.V/C from the SERVICE MENU.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.

Select 8.TINT with the function UP/DOWN key.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.

Set the initial setting value of NTSC 3.58 TINT with the function

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEFT/RIGHT key.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.

If you cannot get the best TINT with the initial setting value,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

make fine adjustment until you get the best TINT.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6.

Press the MENU/OK key and memorize the set value.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NTSC 4.43 TINT

(NTSC 4.43 TINT)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

When NTSC 3.58 is set, NTSC 4.43 will be automatically set at

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the respective values.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Adjustment

 

 

Signal

TP-47B

8.TINT

[Method of adjustment using measuring instrument]

of

 

 

generator

TP-E(#)

 

 

 

 

 

NTSC 3.58 TINT

(NTSC 3.58 TINT)

SUB TINT

 

 

 

 

 

 

 

 

 

 

 

 

[CRT

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Input a NTSC 3.58MHz COMPOSITE VIDEO signal (full field

 

 

 

 

 

 

Oscilloscope

SOCKET

 

 

 

 

 

 

 

 

 

colour bar with 75% white) from the EXT terminal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PWB]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.

Select 2.V/C from the SERVICE MENU.

 

 

 

 

 

 

Remote

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

control unit

 

 

 

 

3.

Select 8.TINT with the function UP/DOWN key.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.

Set the initial setting value of NTSC 3.58 TINT with the function

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEFT/RIGHT key.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.

Connect the oscilloscope between TP-47B and TP-E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6.

Adjust NTSC 3.58 TINT to bring the value of (B) in the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

illustration to -9V(voltage difference between white (W) and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

magenta(Mg)).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7.

Press the MENU/OK key and memorize the setting value

 

 

 

 

 

 

 

 

 

 

 

 

 

(B )

(-)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NTSC 4.43 TINT

(NTSC 4.43 TINT)

 

 

 

W

 

C y Mg B

0

 

 

1.

When NTSC 3.58 is set, NT SC 4.43 will be automatically set at

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(+)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the respective values.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Adjustment

 

 

Signal

 

 

 

10. VCO

[For main picture]

of VCO

 

 

generator

 

 

 

 

1.

Input a PAL full field colour bar signal (75% white) from EXT

for colour

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

terminal.

decoder

 

 

Remote

 

 

 

 

2.

Select 2. V/C from the SERVICE MENU.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

control unit

 

 

 

 

3.

Then Select 10. VCO adjustment with the function UP/DOW N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

key.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.

Press the MENU/OK key.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*

When the MENU/OK key is pressed, VCO for colour decoder

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

will be automatically set at the respective values.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[For PIP]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.

Select 7.PIP from the SERVICE MENU.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6.

Then select 1.PIP VCO ADJ with the function UP/DOW N key.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*

When the MENU/OK key is pressed, VCO for colour decoder

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

will be automatically set at the respective values.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26

No. 52012

Image 26
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