Toshiba TLP510U Service Manual page 16

Adjust Items Input Signal
1. Input level adjustment
1-1. Pedestal level RGB signals
adjustment (pedestal level)
1-2. Gray scale level RGB signals
adjustment (gray scale)
1-3. Video signal input Video signal
level adjustment (gray scale)
2. Bias adjustment
2-1. Bias adjustment 1 RGB signals
(gray scale)
2-2. Bias adjustment 2 RGB signals
(gray scale)
2-3. Bias adjustment 3 RGB signals
(gray scale)
3. Bright/Contrast RGB signals
adjustment (gray scale)
Table 4-1-1
Test
Equip- Test Point Adjust Key
ment
Oscillo- T13 (R)
scope T15 (G)
T17 (B)
Oscillo- T13 (R)
scope T15 (G)
T17 (B)
Oscillo- T13 (R)
scope T15 (G)
T17 (B)
Digital T04 (R)
voltmeter T06 (G)
T08 (B)
Digital T05 (R)
voltmeter T07 (G)
T09 (B)
Digital T20 (G)
voltmeter T19 (G)
Oscillo- TP401 (R) (bright)
W13
scope TP401 (R) (contrast)
W11
TP402 (R) (bright)
W14
TP402 (R) (contrast)
W12
TP501 (G) (bright)
W23
TP501 (G) (contrast)
W21
TP502 (G) (bright)
W24
TP502 (G) (contrast)
W22
TP601 (B) (bright)
W33
TP601 (B) (contrast)
W31
TP602 (B) (contrast)
W34
TP602 (B) (bright)
W32
1-14
Adjust Value
• See the
VSB
illustration right.
VSB
VSB
A = 1.75V ± 50 mV
VGR
A = 1.75V ± 50 mV
VGG
A = 1.75V ± 50 mV
VGB
A = 1.75V ± 50 mV
VGR
A = 1.6V ± 50 mV
VGG
A = 1.75V ± 50 mV
VGB
6V ± 20 mV
W16
6V ± 20 mV
W26
6V ± 20 mV
W36
6V ± 20 mV
W15
6V ± 20 mV
W25
6V ± 20 mV
W35
6V ± 20 mV
W52
6V ± 20 mV
W53
A = 2V ± 50 mV
B = 3V ± 50 mV
TP401 adjustment
value ± 30 mV
TP401 adjustment
value ± 30 mV
A = 2V ± 50 mV
B = 2.9V ± 50 mV
TP501 adjustment
value ± 30 mV
TP501 adjustment
value ± 30 mV
A = 2V ± 50 mV
B = 2.9V ± 50 mV
TP601 adjustment
value ± 30 mV
TP601 adjustment
value ± 30 mV
Note
• Select and adjust until
VSB
signal shows flat.
Blanking
NG
OK
(A)
• Click to set video input
IN2
mode.
(A)
• Adjustment value for bias
adjustment 1:
± 10 mV
• Click on Normal menu to
PJ0
set forward scan mode and
then start the adjustment.
Next click to set reverse
PJ1
scan mode and perform
adjustment.
• Adjustment value for bias
adjustment 1:
± 10 mV
B
A