No.51922
TM-H1700G
28
Item
Test equipment
Test points
Adjustment
locations
Adjustment procedure
White
Balance
(High light)
9300K
adjustment
Signal generator
(Monoscope pattern)
Colour temperature
meter or Colour
Analyser
W06 R DRIVE
W07 B DRIVE
[SERVICE MENU]
xxxx
Under the condition that Low light adjustment has
been correctly finished.
1. Input the monoscope pattern signal.
2. Select the WHITE BALANCE BLOCK mode from
<BLOCK SELECT> screen.
3. Select the 9300 DRIVE adjustment mode (High
light 9300 mode).
4. Apply the sensor of the colour temperature meter
to the CRT surface, portion of the 100% white,
adjust the W06 (R DRIVE) or W07 (B DRIVE) to
setting 6500K (x=0.283, y=0.297).
5. Exit the SERVICE MENU by pressing the “EXIT”
key.
6. Check the white balance tracking is finest when
CONTRAST and BRIGHT are up and down.
Bright
adjustment
Signal generator
(Sprit colour bar)
S01 (BRIGHT)
[SERVICE MENU]
xxxx
Under the condition that Low light adjustment has
been correctly finished.
1. Input a sprit colour bar signal.
2. Select the SIGNAL BLOCK mode from <BLOCK
SELECT> screen.
3. Select the S01 item.
4. Adjust the S01 to where the sprit colour bar 0%
black component faintly brightens.
5. Check it to on and off the screen display by
turning the “DISP” switch.
Contrast
adjustment
Signal generator
(Full colour bar)
Oscillo-scope
TP-47G
TP-E(
)
[CRT SOCKET
PWB]
S02 (CONTRAST)
[SERVICE MENU]
1. Input the full colour bar signal. (75 / 0 / 75 / 0
set-up level signal)
2. Connect the oscillo-scope probe to TP-47G and
TP-E(
).
3. Select the SIGNAL BLOCK mode from <BLOCK
SELECT> screen.
4. Select the S02 item.
5. Adjust the S02 to become the voltage different
between 75% white and 0% black to
40V
±
±
±
±
2Vp-p
as shown in figure.
BL
B
R
Mg
G
Cy
Y
W
75%
WHITE
V
75-BL
=(40
±±±±
2)Vp-p
