DOWNLOAD Sony KLV-32M1 (serv.man2) Service Manual ↓ Size: 9.11 MB | Pages: 82 in PDF or view online for FREE

Model
KLV-32M1 (serv.man2)
Pages
82
Size
9.11 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-32m1-sm2.pdf
Date
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Sony KLV-32M1 (serv.man2) Service Manual ▷ View online

KLV-32M1 (WB)     1-4
1-7. LCD PANEL REMOVAL
1
 Four screws
    (+PSW 5x10)
6
 Two screws
    (+PSW 5x10)
3
 Six screws
    (+BVTP 4x16)
4
 Panel bracket
9
 Panel bracket
8
 Six screws
    (+BVTP 4x16)
2
 Top arm
6
 Two screws
    (+PSW 5x10)
7
 Bottom arm
5
 Stand arm joint (R) assy
5
 Stand arm joint (L) assy
Lead wire with
connector (LVDS)
Connector assy 14P
qa
Panel bracket side
qs 
Five screws
    (+BVTP 4x16)
qd 
Panel blacket side
qf 
LCD panel
0
 
Five screws
    (+BVTP 4x16)
KLV-32M1 (WB)     1-5E
1-8. H1 AND H3 BOARDS REMOVAL
1-9. H2 BOARD REMOVAL
1
 Two screws
    (+BVTP 3x12)
2
 H2 board
1
 Six screws
    (+BVTP 3x12)
3
 Two screws
    (+BVTP 3x12)
4
 H3 board
6
 H1 board
5
 Two screws
    (+BVWHTP 3x12)
2
 Front terminal assy
KLV-32M1 (WB)     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)
Hve
25 (center)
USER_CTRL
0 (all off)
2.
Set “THUNDER_ENABLE” = 0 and set BOLT to “throgh”
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”.
[Aging setting]
“MON_CON_REG_2”=217
“TEMP_TH_LOW”=254
“TEMP_TH_HIGH”=255
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 until W/B adjustment, shall
be adjusted W/B after aging more than 30 second.
2-2. MEASUREMENT EQUIPMENT
1.
Color analyzer (CA-210) manufactured by MINOLUTA.
2.
Signal generator.
2-3. ADJUSTMENT OF SIGNAL LEVEL
2-3-1. Check AD calibration registration items
1.
Set following items.
Item
Default value
AD_Y_OFSET_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
126
AD_C_OFSET_D2
126
AD_C_OFSET_D3
128
VB3
VB4
VB1 VB2
KLV-32M1 (WB)     2-2
8.
Add the following offsets to the values of step 7 and copy the
obtained values to the EEPROMs for D1, D2, and D4
respectively.
Item
D1
D2
D3
Y_LEVEL OFFSET
±0
±0
±0
C_LEVEL OFFSET
-2
±0
±0
2-3-3. Y Level/COLOR adjustment of
HDMI input
1.
Copy the Y Level/COLOR adjustment values of component
input to the EEPROMs for HDMI D1, D2, D3, D4, and VGA
respectively.
Copy the D2 adjustment values for VGA.
2-3-4. Y Level/COLOR adjustment of
Video input (by using a jig)
1.
Set PICTURE_MODE = 2 (Pro), and then change the
register setting to the following values.
Copy the D2 adjustment values for VGA.
Format
Item
Data
Picture Save
PICTURE
100 (max)
BRIGHTNESS
50 (center)
Color
25 (center)
Hue
25 (center)
USER_CTRL
0 (all off)
2.
Set THUNDER_ENABLE = 0 and set BOLT to “throgh”
mode.
3.
Input the Video 1 (composite) 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 Video 1 (composite) color-bar signal (75 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.
Write the adjustment values in the VIDEO EEPROM.
8.
Add the following offsets to the values of step 7, and then
copy the obtained values to the Svideo EEPROM.
Item
S-VIDEO
Y_LEVEL OFFSET
±0
C_LEVEL OFFSET
±0
VB3
VB4
VB1 VB2
2-3-5. Y Level/COLOR adjustment of RF 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)
Hue
25 (center)
USER_CTRL
0 (all off)
2.
Set THUNDER_ENABLE = 0 and set BOLT to “throgh”
mode.
3.
Input the RF all-white signal (J-12) .
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 RF color-bar signal (J-10) .
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.
Write the adjustment values in the RF EEPROM.
2-4. WHITE BALANCE ADJUSTMENT
This adjustment shall be used ECS
2-4-1. White balance adjustment of color
temperature “Cool”
1.
Set PICTURE_MODE = 2 (Pro) and change the register
setting to the following values.
Item
Data
PICTURE
100 (max)
BRIGHTNESS
50 (center)
Color
25 (center)
Hue
25 (center)
COLOR_INDEX
1 (high)
USER_CTRL
0 (all off)
SCALER_MODE
3 (full)
U_BACKLIGHT
10 (max)
2.
Input the 1080i 80% all-gray signal from the Video 4 input.
VB3
VB4
VB1 VB2
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