Sony TAV-L1 (serv.man3) Service Manual ▷ View online
45
TAV-L1
4.
WHITE BALANCE ADJUSTMENT
Equipment Needed:
Use the following measuring equipment for the white balance
adjustment.
Use the following measuring equipment for the white balance
adjustment.
• Video generator (Leader LT 408 with NTSC set-up or
equivalent)
To set the 60IRE and 20IRE NTSC signals.
To set the 60IRE and 20IRE NTSC signals.
• Color calibration (Minolta CA-210 or equivalent)
To read the white balance targets.
Procedure:
1. Set the service mode.
2. Press the [VIDEO 1] button on the remote commander to select
2. Press the [VIDEO 1] button on the remote commander to select
the “VIDEO 1”
3. Input the 60IRE NTSC all gray signal from the video generator
to VIDEO IN 1 jack.
4. Press the [MENU] button on the remote commander to display
the user menu.
5. Set the “Picture Mode” to the “Pro”.
6. Set the “Color” to the “Min”.
7. Set the “Color Temp” to the “Cool”.
8. Set the “Backlight” to the “Max”.
9. Press the [MENU] button on the remote commander to display
6. Set the “Color” to the “Min”.
7. Set the “Color Temp” to the “Cool”.
8. Set the “Backlight” to the “Max”.
9. Press the [MENU] button on the remote commander to display
the service menu.
10. Select the “W/B”.
11. Adjust the “R_DRIVE” and “B_DRIVE” to meet the highlight
specified using the following specification tables.
12. Set the “COLOR SAVE” to the “Save”.
13. Input the 20IRE NTSC all gray signal from the video generator
13. Input the 20IRE NTSC all gray signal from the video generator
to VIDEO IN 1 jack.
14. Adjust the “R_BKG” and “B_BKG” to meet the background
specified using the following specification tables.
15. Set the “COLOR SAVE” to the “Save”.
16. Press the [MENU] button on the remote commander to display
16. Press the [MENU] button on the remote commander to display
the user menu.
17. Repeat steps 7 through 16 for “Neutral” and “Warm”.
Specification Tables:
MODE
x
y
Spec
Input
Cool
0.2759
0.2785
3JND
60IRE
0.2772
0.2809
3JND
20IRE
Neutral
0.2850
0.2880
3JND
60IRE
0.2869
0.2913
3JND
20IRE
Warm
0.2963
0.3054
3JND
60IRE
0.2974
0.3034
3JND
20IRE
46
TAV-L1
MEMO
TAV-L1
47
47
TAV-L1
SECTION 7
DIAGRAMS
7-1. FRAME PRINTED WIRING BOARDS – MAIN Section –
PANEL-UC BOARD
TOUCH SENSOR BOARD
KEY BOARD
MAIN BOARD
DMB13
BOARD
BOARD
VIDEO-UC
BOARD
BOARD
EMR DOWN 1
BOARD
EMR DOWN 2
BOARD
EMR DOWN 3
BOARD
EMR DOWN 4
BOARD
EMR UP2
BOARD
BOARD
EMR UP
BOARD
BOARD
M
MEMBRANE SWITCH
MECHANISM DECK BLOCK
OPTICAL PICK-UP
BLOCK
KHM-310CAB
or
KHM-313CAB
S1211
(EMERGENCY STOP (UPPER DIRECTION))
MEMBRANE SWITCH
S1221
(EMERGENCY STOP (UPPER DIRECTION))
B
D
E
C
A
ND841
FLUORESCENT INDICATOR TUBE
IC841
CN841
CN1501
CN1503
(NC)
CN1231
CN601
CN603
CN604
(NC)
CN605
CN606
to CN206
to CN201
to CN202
CN607
CN608
CONNECT-UC
BOARD
CN1314
CN1314
CONNECT-UC
BOARD
CN1304
CONNECT-UC
BOARD
CN1306
CONNECT-UC
BOARD
CN1310
CN610
CN611
CN612
CN613
CN615
CN616
CN303
SP301, 303
(FRONT L-CH)
SP302, 304
(FRONT R-CH)
CN304
CN702
CN202
CN4501
CN106
CN301
CN105
(NC)
CN201
CN401
CN101
CN201
CN202
to CN606
to CN613
to CN607
CN203
CN204
CN205
CN206
CN208
CN209
CN1201
CN1202
CN1203
CN1204
CN1221
CN1222
CN1223
CN1211
CN1212
M001
(LOADING)
CN001
MS-214
BOARD
BOARD
CN621
(NC)
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TAV-L1
48
48
TAV-L1
7-2. FRAME PRINTED WIRING BOARDS – MONITOR Section –
B BOARD
LINK UC BOARD
G2 SOEM BOARD
P
BOARD
LCD PANEL UNIT
H2-AU BOARD
A3-AU BOARD
F
J
K
G
H
R
S VIDEO
VIDEO
VIDEO 2
IN
L(MONO)
AUDIO
AUDIO IN
R
L
5
IN
PC
AUDIO
IN
L
R
S VIDEO
VIDEO
(MONO)
AUDIO
VIDEO IN
3
1
CN5000
CN1001
CN1003
CN1004 (NC)
CN5400
CN1007
(Pin 3: OPEN)
CN1008
CN1401
CN1402
CN1406
Pin 11, 12
Pin 1 to 10
CN1409
J9011
CN9401
CN9003
CN9503
CN9505
(Pin 3: OPEN)
CN6001
CN6200
CN6202
CN6203
CN9851
CN9855
J9852
J9006
SUB BOARD
CN915
CONNECT-UC BOARD
CN1311
CONNECT-UC BOARD
CN1315
SUB BOARD
CN916
POWER BOARD
CN186
F6000
Pin 11, 12
Pin 1 to 10
CN1006 (NC)
6
PC IN
(RGB IN)
CN9504
CN9502
CN8602
CN7503
(NC)
CN8603
CN9405
CN8601
CN9300
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