Service Adjustment Mode Memory - Sony TRINITRON KV-27V42 Service Manual

KV-27V42/27V66/29SL42K/29SL42T/29VL42T/29XL42T
Sub Hue, Sub Color Adjustment (SHUE, SCOL)
1. Input a color-bar signal.
2. Set to Service Adjustment Mode.
3. Select the DCOL item and set the value to 0.
4. Connect an oscilloscope probe to CN702 Pin
(BLUE OUT) of the C Board and ground.
5. Select SHUE and SCOL with
6. Adjust with and
(SCOL) and V2 = V3 ± 0.15 Vp-p (SHUE).
V1
7. Reset the DCOL level to 1.
8. Press then
V. Size Adjustment (VSIZ)
1. Input a crosshatch signal.
2. Set to Service Adjustment Mode.
3. Select the VSIZ item with
4. Adjust value of VPOS with
center.
5. Press then
V. Center Adjustment (VPOS)
1. Input a crosshatch signal.
2. Set to Service Adjustment Mode.
3. Select the VPOS item with
4. Adjust value of VPOS with
center.
5. Press then
and .
for the V1 = V4 ± 0.15 Vp-p
V4
V2 V3
to save into 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 checking H. Frequency.
1. Input a crosshatch signal.
2. Set to 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 crosshatch signal.
2. Set to Service Adjustment Mode.
3. Select HSIZ with
4. Adjust with and
5. Press then
V. Linearity (VLIN), V Correction
1. Input a crosshatch signal.
2. V. correction is automatically adjusted from the circuit
and should satisfy the conditions below.

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
.