Sony BA-4D Servicehandleiding - Pagina 8
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/
29AL66C/29SL42/29SL42C/29SL46/29XL42M
Sub Hue, Sub Color Adjustment (SHUE, SCOL)
1. Input a color-bar signal.
2. Activate the Service Adjustment Mode.
3. Select the DCOL item and set the value to 0.
4. Connect an oscilloscope probe to CN301
Pin
(BLUE OUT).
5. Select the SHUE and SCOL item with
6. While showing the SHUE item, adjust the waveform with
and
until the second and third bars show the same
level (V2 = V3 ± 0.15 Vp-p).
7. While showing the SCOL item, adjust the waveform with
and
until the first and fourth bars show the same
level (V1 = V4 ± 0.15 Vp-p).
V1
8. Select the DCOL item and reset to 1.
9. Press
then
V. Size Adjustment (VSIZ)
1. Input a crosshatch signal.
2. Activate the Service Adjustment Mode.
3. Select the VSIZ item with
4. Adjust value of VPOS with
center.
5. Press
then
V. Center Adjustment (VPOS)
Perform this adjustment after performing H. Frequency
(Free Run) check.
1. Input a crosshatch signal.
2. Activate the Service Adjustment Mode.
3. Select the VPOS item with
4. Adjust value of VPOS with
center.
5. Press
then
and
.
V4
V2 V3
to save into the memory.
and
.
and
for the best vertical
to save into the memory.
and
.
and
for the best vertical
to save into the memory.
H. Center Adjustment (HPOS)
Perform this adjustment after performing H. Frequency
(Free Run) check.
1. Input a crosshatch signal.
2. Activate the Service Adjustment Mode.
3. Select the HPOS item with
4. Adjust the value of HPOS with
horizontal center.
5. Press
then
H.Size Adjustment (HSIZ)
1. Input a cross hatch signal.
2. Activate the Service Adjustment Mode.
3. Select HSIZ with
4. Adjust with
and
5. Press
then
V. Linearity (VLIN), V Correction (VSCO)
1. Input a crosshatch signal.
2. V. Correction is automatically adjusted from the circuit and
should satisfy the conditions below:
V LINEARITY (VLIN)
V CORRECTION (VSCO)
Service Adjustment Mode Memory
1. Change the value of the DCOL item to 1.
2. After completing all adjustments, press
Read From Memory
SERVICE
— 22 —
and
.
and
for the best
to save into the memory.
and
.
for the best Horizontal size.
to save into the memory.
then
READ
Green
0
Red
ENTER
.