Sony KE-42TS2E / KE-42TS2U Service Manual ▷ View online
66
6.2.2 Parameter
adjustment
List of parameter adjustment items
Item
Adjustment items
Measurement point
Adjustment value
(conditions)
Remarks
1
Vs voltage adjustment
PSU board TP5
Voltage setting label
indication value*
indication value*
±
1% (all black)
2
Va voltage adjustment
PSU board TP4
Voltage setting label
indication value*
indication value*
±
1% (all black)
3
Vw voltage adjustment
X-SUS board connector
CN26 6-pin
Voltage setting label
indication value*
indication value*
±
1% (all black)
4
Vx voltage adjustment
X-SUS board connector
CN26 1-pin
Voltage setting label
indication value*
indication value*
±
1% (all black)
*: Voltage setting label shows the following messages at the top left of the back of the chassis.
CN26①(Vx)
CN26⑥(Vw)
TP5(Vs)
TP6(GND)
TP4(Va)
< LOT >
Vs = . V Va = . V
Vw = . V Vx = . V
Vw = . V Vx = . V
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(1)
From the main menu, select the voltage adjustment menu with the ↑ key or ↓ key and press
the <ENTER> key.
the <ENTER> key.
(2) From the voltage adjustment menu, adjust parameters in the order starting from Vs, Va, Vw, and
Vx.
Select parameter with the ↑ key or ↓ key and adjust the parameter with the → key
(increment) or ← key (decrement). The adjustment values are shown on the voltage label that
is attached to the panel chassis.
(increment) or ← key (decrement). The adjustment values are shown on the voltage label that
is attached to the panel chassis.
** numbers are shown in decimal values.
Input the numeric value/dot and press the <ENTER> key and then press
the <ENTER> key again to set the adjustment value directly.
Input the numeric value/dot and press the <ENTER> key and then press
the <ENTER> key again to set the adjustment value directly.
(3)
Select RETURN with the ↑ key or ↓ key and press the <ENTER> key to return to the menu
screen.
screen.
42H2 Main menu
Module information menu
Power ON menu
Problem analysis menu
** Voltage adjustment menu
Accumulated power-on time menu
Logic board change menu
EXIT
Module information menu
Power ON menu
Problem analysis menu
** Voltage adjustment menu
Accumulated power-on time menu
Logic board change menu
EXIT
42H2 Voltage adjustment menu
** Voltage adjustment / Vs[V] : **.**
Voltage adjustment / Va[V] : **.**
Voltage adjustment / Vw[V] : **.**
Voltage adjustment / Vx[V] : ***.**
RETURN
EXIT
** Voltage adjustment / Vs[V] : **.**
Voltage adjustment / Va[V] : **.**
Voltage adjustment / Vw[V] : **.**
Voltage adjustment / Vx[V] : ***.**
RETURN
EXIT
68
6.2.3 Operation performance check items
(1) Environmental
conditions
Temperature: Room temperature
Judgment distance: 1 meter from panel screen
Preheat run: 5 minutes with entire screen lit (white)
Judgment distance: 1 meter from panel screen
Preheat run: 5 minutes with entire screen lit (white)
(2) Test
patterns:
PSEL
Push SW Display pattern
Size
Details
H 0
White
screen
H 1
Cross
slash
Large
24
× 24
H
2
Vertical stripe
Every other dot
H
3
Horizontal stripe
Every other line
H
4
Color bars
Vertical bar
H_blk divided in 8
H
5
Gray scale
Horiz. direction
Every 3 dots
H
6
Color gray scale
Horiz. direction
Every 3 dots
H
7
Divided WINDOW
9 blocks
Follow the ROM
L
0
1% WINDOW
Center
Follow the ROM
L 1
Cross
slash
Small
12
× 12
L
2
Vertical stripe
Every other cell
L
3
Horizontal stripe
Every 2 lines
L
4
Color bars
Horizontal bar
V_blk divided in 8
L
5
Gray scale
Vert. direction
Every 4 dots
L
6
Color gray scale
Vert. direction
Every 4 dots *2
L
7
Divided WINDOW
16 blocks
Follow ROM *3
PDPGO SW
CPUGO SW
CPUGO SW
69
(3) Judgment
Item Test items Test signal
Judgment criterion
1 Brightness
non-unifor
mity
mity
White screen (W)
Brightness non-uniformity in the form of
stripes must not be visible in vertical and
horizontal directions.
stripes must not be visible in vertical and
horizontal directions.
2 Black
noise
Horizontal gray scale
(Each color of
R/G/B)
(Each color of
R/G/B)
Rank 3 or higher in the 5-step evaluation.
<Rank>
5: No noise
4: Small noise is intermittently visible
3: Noise of 1 line is not visible continuously
2: Noise occurs continuously
1: Much noise occurs continuously
<Rank>
5: No noise
4: Small noise is intermittently visible
3: Noise of 1 line is not visible continuously
2: Noise occurs continuously
1: Much noise occurs continuously
3 Number
of
defects
4 Number
of
extra dots
5 Number
of
flickering
dots
dots
The entire screen
lights
(Each color of
W/R/G/B)
lights
(Each color of
W/R/G/B)
Conforms to Section 1.3.2 Display quality
specifications.
However, when Delivery Specifications
Sheets are prepared for each client, the
specifications shown in the Delivery
Specifications Sheet must be met.
specifications.
However, when Delivery Specifications
Sheets are prepared for each client, the
specifications shown in the Delivery
Specifications Sheet must be met.
(4) Power ON/OFF
・
Power ON
Set both PDPGO-SW and CPUGO-SW to CN.
Set both PDPGO-SW and CPUGO-SW to CN.
・
Power OFF
Set only PDPGO-SW to OFF.(The CPUGO-SW remains ON.)
Set only PDPGO-SW to OFF.(The CPUGO-SW remains ON.)
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