Service Adjustments; How To Enter Service Mode; Signal Level Adjustment - Sony KLV-26S200A Service Manual

KLV-26S200A/32S200A/40S200A/46S200A

2-1. How to enter Service Mode

Service adjustments to this model can be performed using the supplied
remote Commander RM-GA005.
1. Turn on the power to the TV set and enter into the stand-by
mode.
2. Press the following sequence of buttons on the Remote
Commander.
i+ 5
(ON SCREEN (DIGIT 5)
DISPLAY)
3. The following menu will then appear on the screen.
4. Move to the relevant command using the up or down arrow
buttons on the remote commander.
5. Press the right arrow button to enter into the required menu
item.
6. Press the 'Menu' button on the remote commander to quit the
Service Mode when all adjustments have been completed.
Note :
• After carrying out the service adjustments, to prevent the
customer accessing the 'Service Menu' switch the TV set
OFF and then ON.
Caution : Aging mode.
1) Aging setting
a) Set no signal and monitor as aging mode.
2) Aging condition
a) Aging condition before white balance as follows
Supply volt : Rating
Times : 20 minutes or over (aging Timer registor setting)
Ambient time : 22°C ~ 28°C
Brightness : Set by aging mode.
[Led lighting pattern during aging]
Aging Timer > 0
Green (0.5sec) ➔ off (0.5sec) ➔ Green (0.5 sec) ➔ off (0.5sec)
Aging Timer = 0
Green (3.0sec) ➔ off (3.0 sec)➔ Green (3.0 sec) ➔ off (3.0sec)
Note:
If power off instantansously between aging and W/B adjustment, do
aging 30 seconds or more then adjust W/B.
RM-GA005
SECTION 2

SERVICE ADJUSTMENTS

+
(VOLUME +) (TV)

2-2. Signal Level Adjustment

2-2-1. Set up of AD calibration 1 adjustment for
terrestrial analog.
The following adjustments are done via ECS.
1. Send ECS_ADJUST_LEVEL_SETING_INIT command.
2. Ensure noise reduction NR=3 (HIGH), GAMMA_EN=0,
P4_CVD2_85=0.
3. Set the following registration items.
Screen Size
TARGET_Y_RF(PAL)
ADJ_COLOR_Y_ATT(PAL)
ADJ_COLOR_PAL(PAL)
2-2-2. Y signal calibration 1 adjustment for
terrestrial analog.
1. Input PAL colour bar 75%Y, 75%C via terrestrial input.
0
2. Send ECS_ADJUST_TCD3_CONT_RF command.
3. Read the value of S_REG:APL:LUMA via ECS. Confirming that
the value is within spec of the table below.
AD-Adjust RF Spec
Reference register name
S-REG: APL_LUMA
2-2-3. Set up of C signal calibration 1 adjustment
for terrestrial analog.
1. Input PAL colour bar 75%Y, 75%C via terrestrial input.
2. Send ECS_ADJUST_LEVEL_SETTING_INIT command.
3. Ensure noise reduction NR=3 (High). GAMMA_EN=0,
P4_CVD2_85_0
– 16 –
26" 32" 40"
165 165 165
128 128 128
4 4 4
1 2 3 4 5 6 7
Spec.
TARGET_Y_RF±2
46"
165
128
4