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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/
29AL66C/29SL42/29SL42C/29SL46/29XL42M
5-4. A BOARD ADJUSTMENTS
H. Frequency (Free Run) Check
1. Input a TV mode (RF) with no signal.
2. Connect a frequency counter to base of Q501
(TP-500 H. DRIVE).
3. Check H. Frequency for 15735 ± 200 Hz.
V. Frequency (Free Run) Check
1. Select video 1 with no signal input.
2. Set the conditions for a standard setting.
3. Connect the frequency counter on the A board to TP-508
(V OUT) or CN 501 pin
(V DY+) and ground.
4. Check that V. Frequency shows 60 ± 4 Hz.
Sub Contrast Adjustment (RDRV)
1. Input a color-bar signal and set the level to 75%.
2. In Standard mode, set PICTURE to maximum, COLOR to
minimum, and BRIGHTNESS to center.
3. Activate the Service Adjustment Mode.
4. Set both GON and BON items. Using
and ;
set each to the following values. Leave RON set to 1.
SERVICE RON 1
1: ON
0: OFF
R ON: ON (1)
G ON: OFF (0)
B ON: OFF (0)
5. Select the item DCOL item and set it to 0.
6. Connect an oscilloscope probe to CN301 pin (RED
OUT).
7. Select RDRV with
and .
8. Adjust the value of RDRV with
and for
1.75 ± 0.05 Vp-p.
Black
White
1.75 ± 0.05 Vp-p
9. Reset the item DCOL to 1.
10. Reset GON and BON values to 1.
R ON: ON (1)
G ON: ON (1)
B ON: ON (1)
11. Reset Picture, Color, and Bright to normal values:
PICTURE: MAX
COLOR: CENTER
BRIGHT: CENTER
12.Press
then to save into the memory.
Display Position Adjustment (DISP)
1. Input a color-bar signal.
2. Set to Service Adjustment Mode.
3. Select DISP with and .
4. Adjust values of DISP with
and to adjust characters
to the center.
5. Write to memory by pressing
then .
6. Check to see if the text is displayed on the screen.
SERVICE DISP 15
Sub Bright Adjustment (SBRT)
1. Input a crosshatch signal.
2. Activate the Service Adjustment Mode.
3. Set the PICTURE and BRIGHTNESS to minimum.
4. Select the SBRT item with
and .
5. Adjust the values of SBRT with
and to obtain a
faintly visible crosshatch.
6. Press
then to save into the memory.
KV-
Destination
ID-0
ID-1
ID-2
ID-3
ID-4
ID-5
ID-6
ID-7
1 27S42 US 25 145 15 235 11 3 0 64
2 27S42 CND 89 145 15 135 11 3 0 64
3 27S46 US 25 155 15 235 11 3 1 64
4 27S66 US 25 155 79 235 11 3 7 64
5 27S66 CND 89 155 79 155 11 3 7 64
6 29AL42 E 17 147 173 203 123 3 0 64
7 29AL42C E 17 147 173 203 123 3 0 64
8 29AL66 E 17 151 237 203 123 3 7 64
9 29AL66C E 17 151 237 203 123 3 7 64
10 29SL42 E 17 145 143 203 123 3 0 64
11 29SL42C E 17 145 143 203 123 3 0 64
12 29SL46 E 17 155 143 203 123 3 1 64
13 29XL42M MX 17 145 143 203 123 3 0 64
Feature ID Map