JVC HV-29LPZ/EE, HV-29LPZ/HK, HV-29LPZ/-A service manual System Constant SET

Page 11

HV- 29LPZ

REPLACEMENT OF MEMORY ICs

1. Memory ICs

This TV use memory ICs. In the memory ICs, there are memorized data for correctly operating the video and deflection circuits . When replacing

memory ICs, be sure to use ICs written with the initial values of data.

2.Procedure for replacing memory ICs

(1)Power off

Switch the power off and unplug the power cord from the wall outlet.

(2)Replace ICs.

Be sure to use memory ICs written with the initial data values.

(3)Power on

Plug the power cord into the wall outlet and switch the power on.

(4)Check and set SYSTEM CONSTANT SET:

S E RV ICE M EN U

1. IF

2. V/C

3. AUDIO

4. DEF

5. VSM PRESET

6. STATUS

7. PIP

8. WB PRESET

9. SHIPPING(OFF)

0. BUS FREE

1-0 : SELECT

DISP : EXIT

Fig.1

*It must not adjust without signal.

1)Press the DISPLAY key and the PICTURE TUBE key of the REMOTE CONTROL UNIT simultaneously.

2)The SERVICE MENU screen of Fig. 1 will be displayed.

3)While the SERVICE MENU is displayed, press the DISPLAY key and PICTURE TUBE key simultaneously, and the SYSTEM CONSTANT SET screen of Fig. 2 will be displayed.

4)Check the setting values of the SYSTEM CONSTANT SET of Table 1. If the value is different, select the setting item with the FUNCTION UP/DOWN key, and set the correct value with the FUNCTION -/+ key.

5)Press the MENU(OK) key to memorize the setting value.

6)Press the INFORMATION key, and return to the normal screen.

SYSTEM CONSTANT SET

1. TEXT

**

+OK : STORE DISP : EXIT

Fig.2

2. BLUE BACK MENU

**

3. E.M.C

**

4. WHITE BACK

**

5. COLOUR AUTO

**

6. PICTURE TILT

**

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(5)Setting of receive channels Set the receive channel.

For setting, refer to the OPERATING INSTRUCTIONS.

(6)Setting of SERVICE MENU

Verify the setting items of the SERVICE MENU of Table 2, and reset where necessary.

For setting, refer to the SERVICE ADJUSTMENTS.

(7)User settings

Check the user setting values of Table 3, and if setting value is different, set the correct value.

For setting, refer to the OPERATING INSTRUCTIONS.

 

 

 

 

 

 

 

 

 

 

SERVICE MENU KEY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ZOOM

 

 

 

 

 

 

 

 

 

 

 

 

SERVICE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(ASPECT)

 

 

 

 

 

 

 

 

 

 

MENU/

 

 

 

key

 

 

 

 

 

 

 

 

 

 

&SYSTEM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONSTANT

SETTING ITEM

 

 

 

 

 

 

 

 

 

 

key

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SELECT key

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Numbers key)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PICTURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTENTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

key

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PIP key

 

 

 

 

 

 

 

 

 

 

 

 

FUNCTION ke y

 

 

 

 

 

 

 

 

 

 

 

 

(UP/DOWN &

 

 

 

 

 

 

 

 

 

 

 

 

LEFT/RIGHT key)

 

 

 

 

 

 

 

 

 

 

 

 

MENU/OK key

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MEMORY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(STORE)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

key

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No. 52012

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Image 11
Contents HV-29LPZ HV-29LPZ HV-29LPZ HV-29LPZ ContentsSpecifications Safety Precautions Main Difference List FeaturesSync SEP PWB System Block DiagramMicom PWB Main PWBFront Terminal & Control FunctionsSUB-PICTURE Remote Control UnitDisassembly Procedure Specific Service InstructionsSpeaker BOX Control Base Micom Power & DEF PWB Claw ChassisHV- 29LPZ DomeCloth CRT Cabinet Change Table Removing the CRTSilicon grease product No. KS 650N CRT Change Table ApproxSystem Constant SET Setting item Setting value Setting Values of System Constant SET TableService Menu Setting Items Table Model No Setting itemSound User Setting Values TablePicture Setting Picture FeaturesMeasuring Instrument and Fixtures Service AdjustmentsBefore Starting Service Adjustment Adjustment ItemsFront Adjustment LocationsFron T TOPZoom Aspect Freq Basic Operation Service MenuTool of Service Menu Operation Service Menu ItemsService Menu Basic Operation of Service MenuVSM Preset WB Preset Shipping OFFService Menu Service Menu ScreenAUDIO, 6. STATUS, 9. Shippingoff & 0. BUS Free Method of SettingRelease of Service Menu DEF PWB AdjustmentChecking Item RGB BLKScreen VR Adjustment of Focus & ScreenAdjustment Signal FocusBright VSM Preset SettingStandard Soft Setting Values of VSM Preset Bright Sharp Colour TintVIDEO/CHROMA Circuit Adjustment PAL/SECAM/NTSC Colour Ⅰ Method of adjustment without measuring instrumentPAL/SECAM/NTSC Colour Ⅱ CRT SUB Tint Ⅱ CRT SUB TintFixed Value DEF. Circuit AdjustmentRegular Zoom 100Hz 60Hz pAspect Zoom Screen Regular Position AdjustmentShift SizeFixed Mode ADJ. Item RegularCenter AspectCOR-UP TrapezCOR-PIN Corner13.V.LIN LIN12.V-S.CR Quasi Audio Circuit AdjustmentAUDIODo not adjust Setting item Variable range Fixed value Purity Magnet PURITY, Convergence AdjustmentPurity Adjustment MagnetsFront View Static Convergence Adjustment# Resistors, capacitors, etc Replacement of Chip ComponentReplacement Steps Soldering IronHV- 29LPZ