KLV-23M1 - Sony TV Service Manual (repair manual). Page 11

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KLV-23M1 (UC)     2-1
AD_C_OFSET_D4
128
AD_C_OFST_HDMI_D1
128
AD_C_OFST_HDMI_D2
128
AD_C_OFST_HDMI_D3
128
AD_C_OFST_ HDMI_D4
128
AD_C_OFST_ HDMI_VGA
128
ADJ_TARGET_BL_IN_Y
3328
ADJ_Y_DEADBAND
16
ADJ_Y_LOOPATTEN
16
ADJ_C_LOOPATTEN
16
AD_ADJ_TIME_OUT
80
ADJ_AREA_H2_VB1
180
ADJ_AREA_H2_VB2
180
ADJ_AREA_H2_VB3
1020
ADJ_AREA_H2_VB4
1220
ADJ_AREA_H2_OFFSET
10
ADJ_AREA_V2
380
2-3-2. Y Level/COLOR adjustment of
component input
1.
Set “PICTURE_MODE” = 2 (Pro) and change the register
setting to the following values.
Format
Item
Data
Picture Save
PICTURE
100 (max)
BRIGHTNESS
50 (center)
Color
25 (center)
USER_CTRL
0 (all off)
2.
Set “THUNDER_ENABLE” = 0 (Bolt is set to through
mode) .
3.
Input the D3 (1080i) all-white signal (100 IRE) .
4.
Adjust CCP’s Y_LEVEL to set the value of BOLT’s G OUT
as follows.
Item
Standard
Video_g
3328/4080 ±16
5.
Input the D3 (1080i) color-bar signal (100 IRE) .
6.
Adjust CCP’s C_LEVEL to set the value of BOLT’s B OUT
as follows.
Item
Standard
Video_b
VB1=VB4 ±16
7.
Save the adjustment values in the D3 EEPROM.
SECTION  2
ADJUSTMENTS
2-1. AGING
2-1-1. Aging setting
1.
To set aging mode on no input signal, change the register.
And do the “service mode”.
[AginIg setting]
“MON_CON_REG_2”=217
2-1-2. Aging conditions
Applied voltage
: Rated
Interval of time
: Over 30 min
Ambient temperature : 22°C to 28°C
Pattern
: All-white is set by aging mode
[Transition of LED indication during aging]
When AGING_TIMER > 0
Green (0.5sec) -> Off (0.5sec) -> Green (0.5sec) -> Off (0.5sec)
When AGING_TIMER = 0
Green (3.0sec) -> Off (3.0sec) -> Green (3.0sec) -> Off (3.0sec)
Note:
After aging, if power was shut down befor W/B adjustment,
adjust W/B after aging more than 30 seconds.
2-2. Measurement equipment
1.
Color analyzer (CA-210) manufactured by MINOLTA.
2.
Signal generator.
1)
Use the NTSC Video signals with 7.5 IRE SETUP.
2)
When the HDMI signal (1080i, 720p) generated by VG-828
is used, be careful that the H center position deviates by 44
dots.
2-3. ADJUSTMENT OF SIGNAL LEVEL
2-3-1. Check AD calibration registration items
1.
Set following items.
Item
Default value
AD_Y_FSET_TV
128
AD_Y_OFSET_V
128
AD_Y_OFSET_S
128
AD_Y_OFSET_D1
128
AD_Y_OFSET_D2
128
AD_Y_OFSET_D3
128
AD_Y_OFSET_D4
128
AD_Y_OFST_HDMI_D1
128
AD_Y_OFST_HDMI_D1
128
AD_Y_OFST_HDMI_D3
128
AD_Y_OFST_HDMI_D4
128
AD_Y_OFST_HDMI_VGA
128
AD_C_OFSET_TV
128
AD_C_OFSET_V
128
AD_C_OFSET_S
128
AD_C_OFSET_D1
122
AD_C_OFSET_D2
123
AD_C_OFSET_D3
128
VB3
VB4
VB1 VB2
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