Circuit Adjustments; Electrical Adjustments - Sony KV-28WF1A Service Manual

KV-28WF1

4-1. ELECTRICAL ADJUSTMENTS

Service adjustment to this model can be performed
with the supplied remote commander RM-862.
HOW TO ENTER INTO SERVICE MODE
1. Turn on the main power switch of the set and
enter into standby mode.
2. Press the following sequence of buttons on the Remote
Commander.
+
5
(ON SCREEN (DIGIT 5)
DISPLAY)
"TT-- " will appear in the top right corner of the screen.
Other status information will also be displayed.
3. Press MENU on the commander to obtain the following
menu on the screen.
TEST MENU
> Picture adjustment
Geometry
Wide
MSP
IC status
Current TV status
4. Move to the corresponding adjustment using the
button on the commander.
5. Move the button to the right
adjustment.
6. Turn off the power to quit the service mode when
adjustments are completed.
SECTION 4

CIRCUIT ADJUSTMENTS

+
+
(VOLUME ) (TV)
to enter the selected
— 28 —
PICTURE ADJUSTMENT
AFC mode
REF position
SCP BGR
SCP BGF
Trap Fo
Sub contrast
Sub colour
Sub brightness
Sub hue
Green drive
Blue drive
Green cutoff
Blue cutoff
Gamma
Pre / overshoot
Y delay
GEOMETRY ADJUSTMENT
V Size
V Position
S Correction
V Linearity
H Size
H Position
Pin Amp
Pin Phase
AFC Bow
AFC Angle
EHT V
EHT H
Corner Pin
WIDE
V Aspect
V Scroll
Upper V Lin
Lower V Lin
Left Blanking
Right Blanking
1
2
1
1
0
Adj
Adj
Adj
Adj
Adj
Adj
Adj
Adj
0
0
3
Adj
Adj
Adj
Adj
Adj
Adj
Adj
Adj
Adj
Adj
Adj
Adj
Adj
47
31
0
0
1
11