Item

Measuring

Test point

 

 

Adjustment part

 

Description

instrument

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SUB COLOUR 1

Remote

 

 

 

 

 

[2. V/C]

[Method of adjustment without measuring instrument]

adjustment

control unit

 

 

 

 

6. COLOUR

Notes:

 

 

 

 

 

 

 

 

 

 

• Proceed to the following adjustment after having

 

 

 

 

 

 

 

 

 

 

completed the SUB CONTRAST adjustment.

 

 

 

 

 

 

 

 

 

 

• Set PICTURE MODE (VSM) to "BRIGHT".

 

 

 

 

 

 

 

 

 

 

- PAL COLOUR -

 

 

 

 

 

 

 

 

 

 

(1)

Receive a PAL broadcast.

 

 

 

 

 

 

 

 

 

 

(2)

Select 2. V/C from the SERVICE MENU.

 

 

 

 

 

 

 

 

 

 

(3)

Select 6. COLOUR.

 

 

 

 

 

 

 

 

 

 

(4)

Set the initial setting value for PAL COLOUR.

 

 

 

 

 

 

 

 

 

 

(5)

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

 

 

 

 

 

 

 

 

 

 

 

adjust until you get the best colour.

 

 

 

 

 

 

 

 

 

 

(6)

Press the [DISPLAY] key twice to return to the

 

 

 

 

 

 

 

 

 

 

 

normal screen.

 

 

 

 

 

 

 

 

 

 

- SECAM COLOUR -

 

 

 

 

 

 

 

 

 

 

(1)

Receive a SECAM broadcast.

 

 

 

 

 

 

 

 

 

 

(2)

Press the [COLOUR SYSTEM] key to select the

 

 

 

 

 

 

 

 

 

 

 

SECAM colour system.

 

 

 

 

 

 

 

 

 

 

(3)

Adjust SECAM COLOUR in the same way as for

 

 

 

 

 

 

 

 

 

 

 

"PAL COLOUR".

 

 

 

 

 

 

 

 

 

 

- NTSC 3.58 COLOUR -

 

 

 

 

 

 

 

 

 

 

(1)

Receive a NTSC 3.58MHz broadcast.

 

 

 

 

 

 

 

 

 

 

(2)

Press the [COLOUR SYSTEM] key to select the

 

 

 

 

 

 

 

 

 

 

 

NTSC 3.58 colour system.

 

 

 

 

 

 

 

 

 

 

(3)

Adjust NTSC 3.58 COLOUR in the same way as for

 

 

 

 

 

 

 

 

 

 

 

"PAL COLOUR".

 

 

 

 

 

 

 

 

 

 

- NTSC 4.43 COLOUR -

 

 

 

 

 

 

 

 

 

 

When adjustment is done for NTSC 3.58 COLOUR,

 

 

 

 

 

 

 

 

 

 

appropriate values are automatically set for NTSC 4.43

 

 

 

 

 

 

 

 

 

 

COLOUR.

SUB COLOUR 2

Signal

 

TP-47G

 

 

[2. V/C]

[Method of adjustment using measuring instrument]

adjustment

generator

 

TP-E

 

 

6. COLOUR

Notes:

 

 

 

 

[CRT SOCKET

 

 

 

 

 

Oscilloscope

 

 

 

• Proceed to the following adjustment after having

 

 

PWB]

 

 

 

 

completed the SUB CONTRAST adjustment.

 

 

 

 

 

 

 

 

 

 

• Set PICTURE MODE (VSM) to "BRIGHT".

 

 

Remote

 

 

 

 

 

 

 

- PAL COLOUR -

 

 

control unit

 

 

 

 

 

 

(1) Receive a PAL colour bar signal (full field colour bar

 

 

 

 

 

 

 

 

 

 

 

75% white).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2)

Select 2. V/C from the SERVICE MENU.

 

 

 

 

 

 

 

 

 

 

(3)

Select 6. COLOUR.

 

 

 

 

 

 

 

 

 

 

(4)

Set the initial setting value of PAL COLOUR.

 

 

 

 

B

 

 

 

 

(5) Connect the oscilloscope between TP-47G and TP-E.

 

 

 

 

M

 

 

 

 

 

 

 

 

R

 

 

 

 

(6)

Adjust PAL COLOUR to set the value (A) in the figure

 

 

 

 

 

 

 

 

 

to +18V.

 

 

 

 

(A)

 

 

 

 

 

 

 

 

 

 

 

 

 

- SECAM COLOUR -

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(–)

 

 

(1)

Receive a SECAM colour bar signal (colour bar 75%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0V

 

 

 

white).

 

 

 

Y

G

 

(+)

 

 

 

 

 

W

 

 

 

 

 

(2) Press the [COLOUR SYSTEM] key to select the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SECAM colour system.

 

 

 

 

 

 

 

 

 

 

(3)

Set the initial setting value of SECAM COLOUR.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(4)

Adjust SECAM COLOUR to set the value (A) in the

 

 

 

 

 

 

 

 

 

 

 

figure to +7V.

 

 

 

 

 

 

 

 

 

 

- NTSC 3.58 COLOUR -

 

 

 

 

 

 

 

 

 

 

(1)

Receive a NTSC 3.58 colour bar signal (full field

 

 

 

 

 

 

 

 

 

 

 

colour bar 75% white).

 

 

 

 

 

 

 

 

 

 

(2)

Press the [COLOUR SYSTEM] key to select the

 

 

 

 

 

 

 

 

 

 

 

NTSC 3.58 colour system.

 

 

 

 

 

 

 

 

 

 

(3)

Set the initial setting value of NTSC 3.58 COLOUR.

 

 

 

 

 

 

 

 

 

 

(4)

Adjust NTSC 3.58 COLOUR to set the value (A) in

 

 

 

 

 

 

 

 

 

 

 

the figure to +9V.

 

 

 

 

 

 

 

 

 

 

- NTSC 4.43 COLOUR -

 

 

 

 

 

 

 

 

 

 

When adjustment is done for NTSC 3.58 COLOUR,

 

 

 

 

 

 

 

 

 

 

appropriate values are automatically set for NTSC 4.43

 

 

 

 

 

 

 

 

 

 

COLOUR.

1-20 (No.YA139)

Page 20
Image 20
JVC AV-29V514/B service manual SUB Colour, PAL Colour, Secam Colour