Sony KP-61SV70C User Manual

– 41 –

KP-43T70C/53SV70C/61SV70C

RM-Y906

5-1. TV INPUT SUB CONTRAST ADJUSTMENT

(VPNT-SCON)

1. Receive the color-bar signal.
2. Mode

: Personal 1 or 2.

PICTURE

: maximum

COLOR

: minimum

BRIGHTNESS

: center

TRINITONE

: medium

ABL

: CN801 pin 4open

SERVICE DATA VPNT SCON

: 7

3. Set to service mode.
4. Connect an oscilloscope between pin 7 of CN204 (A board)

and ground.

5. Select “ VPNT-SCON ”, and adjust so that the wave from

level is 1.80

0.05Vp-p.

6. Write the data into memory.

MUTING

n ENTER

White

1.80

0.05Vp-p

Black

Fig. 5-1

SECTION 5

CIRCUIT ADJUSTMENTS

5-2. VIDEO INPUT SUB-HUE AND SUB-COLOR

ADJUSTMENT (VPNT-SHUE, SCOL)

1. Select VIDEO1 input and supply the color-bar signal.
2. Mode

: Personal 1 or 2.

PICTURE

: maximum

COLOR

: center

BRIGHTNESS

: center

TRINITONE

: medium

SERVICE DATA VPNT-SHUE

: 7

SERVICE DATA

VPNT-SCOL

: 7

3. Set to service mode.
4. Connect an oscilloscope between pin 5 of CN204 (A board)

connecter and ground.

5. Select “ VPNT-SHUE, SCOL ”, and adjust them to have VB1

= VB4 and VB2 = VB3 in the waveform levels.

6. Increase SCOL by 2 steps.
7. Write the data into memory.

MUTING

n ENTER

VB1 VB2 VB3 VB4

Fig. 5-2

5-3. COMPONENT INPUT SUB-HUE AND SUB-COLOR

ADJUSTMENT (DAC-UVSH, UVSC)

1. Select VIDEO 4 and supply the color-bar signal.

VIDEO input

2. Mode

: Personal 1 or 2.

PICTURE

: maximum

COLOR

: center

BRIGHTNESS

: center

TRINITONE

: medium

SERVICE DATA DAC UVSH

: 31

SERVICE DATA

DAC UVSC

: 31

3. Set to service mode.
4. Connect an oscilloscope between pin 5 of CN204 (A board)

connecter and ground.

5. Select “ DAC-UVSH, UVSC ”, and adjust them to have VB1

= VB4 and VB2 = VB3 in the waveform levels.

6. Write the data into memory.

MUTING

n ENTER

VB1 VB2 VB3 VB4

Fig. 5-3

5-4. P & P SUB CONTRAST ADJUSTMENT

(SC-SYDR)

1. Receive the signal.

TV terminal (sub)

: color-bar signal

VIDEO terminal (main) : no signal

2. Set to service mode and set to P & P mode.
3. Connect an oscilloscope between pin 7 of CN204 (A board)

and ground.

4. Select “ SC-SYDR ”, and adjust so that the wave from level

is 1.65

0.05Vp-p.

5. Write the data into memory.

MUTING

n ENTER

White

1.65

0.05Vp-p

Black

Fig. 5-4