JVC AV-29V514/B service manual SUB Bright, Sub, Contrast

Page 19

Item

 

Measuring

 

Test point

 

Adjustment part

 

 

 

 

 

Description

 

 

 

 

instrument

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHITE

 

Signal

 

 

 

 

 

 

 

[2. V/C]

Notes:

 

 

 

 

 

 

BALANCE

 

generator

 

 

 

 

 

 

 

3. WDR (R)

 

• Proceed to

the

 

following adjustment

after having

(High light)

 

 

 

 

 

 

 

 

 

 

 

 

 

3. WDR (G)

 

completed the WHITE BALANCE (Low light) adjustment.

adjustment

 

Remote

 

 

 

 

 

 

 

3. WDR (B)

 

• Set PICTURE MODE (VSM) to "BRIGHT".

 

 

 

control unit

 

 

 

 

 

 

 

 

 

 

(1)

Receive a PAL black and white signal (colour off).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2)

Select 2. V/C from the SERVICE MENU.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3)

Select 3. WDR (R), (G) and (B).

 

 

 

 

 

 

 

 

 

 

V/C

 

 

PAL

 

 

 

 

(4)

Set each value to initial setting value with the [4] to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[9] keys.

 

 

 

 

 

 

 

 

 

 

 

 

 

3. WDR

 

 

 

(R) ** (**)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(5) Use the [4] to [9] keys to produce a white screen.

 

 

 

 

 

 

 

 

 

 

 

 

(G) ** (**)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(B)

** (**)

 

 

 

(6) Press the [DISPLAY] key twice to return to the normal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

screen.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Adjustment Item

 

Variable

Initial setting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

range

 

value

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3. WDR

R

 

0 ~ 63

 

32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REMOTE CONTROL UNIT

 

 

 

 

 

G

 

0 ~ 63

 

32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

2

3

 

 

 

 

 

 

 

 

 

B

 

0 ~ 63

 

45

 

 

 

 

 

4

 

 

 

 

 

 

G DRIVE (

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R DRIVE (

)

 

 

 

 

 

 

 

 

 

B DRIVE (

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

8

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R DRIVE (

)

 

 

 

 

 

 

 

 

 

B DRIVE (

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G DRIVE (

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SUB BRIGHT

 

Remote

 

 

 

 

 

 

 

[2. V/C]

Notes:

 

 

 

 

 

 

adjustment

 

control unit

 

 

 

 

 

 

 

4. BRIGHT

 

• Proceed to

the

following adjustment

after having

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

completed the WHITE BALANCE (Low light) and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHITE BALANCE (High light) adjustment.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Set PICTURE MODE (VSM) to "BRIGHT".

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1)

Receive a broadcast.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2)

Select 2. V/C from the SERVICE MENU.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3)

Select 4. BRIGHT.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(4)

Set the initial setting value.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(5) If the brightness is not best with the initial setting value,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

make fine adjustment until you get the best brightness.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(6)

Press the [DISPLAY] key twice to return to the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

normal screen.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SUB

 

Remote

 

 

 

 

 

 

 

[2. V/C]

Notes:

 

 

 

 

 

 

CONTRAST

 

control unit

 

 

 

 

 

 

 

5. CONT

 

• Proceed to

the

following adjustment

after having

adjustment

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

completed the SUB BRIGHT adjustment.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Set PICTURE MODE (VSM) to "BRIGHT".

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1)

Receive a broadcast.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2)

Select 2. V/C from the SERVICE MENU.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3)

Select 5. CONT.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(4)

Set the initial setting value.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(5)

If the contrast is not best with the initial setting value,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

make fine adjustment until you get the best contrast.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(6)

Press the [DISPLAY] key twice to return to the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

normal screen.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(No.YA139)1-19

Page 18 Page 20
Image 19
Page 18 Page 20
Contents AV-29V514/B Table of ContentsItems Contents SpecificationAlternate Check Method Section PrecautionSafety Precautions Leakage Current CheckFeatures Section Specific Service InstructionsFunctions „ 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 Menu MHz Service Menu Flow ChartDelay Point Adjustment ProcedureFocus Adjustment If Circuit AdjustmentsComponent White Balance Video Circuit AdjustmentsWhite Composite White BalanceSUB SUB BrightContrast PAL Colour SUB 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
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