Toshiba 32Z13B, Service Manual

Page: 12 / 40

– 12 –
GENERAL ADJUSTMENTS
SPECIFIC INFORMATIONS
(Reference Factory Adjustments)
Items
Names
Settings
Input signals
Measur
ing points
Adjusting methods
Adjusting standards
N/A N/A Picture MODE-1
NO need CW@38.9 Mhz 0% modulation 100dBuV Le
v
e
l
F
actor
y Gen 206A
Set polar
ity re
v
erse
Set system to
WG
Sub-br
ight signal
Usual case OSD Chec
k
Rare case TP16 or Q501 #55 pin OSD Chec
k
Screen adjust- ment
Put set into Ser
vice mode
Chec
k OSD if it is
“COIL OK
”.
If OSD is
“COIL NG
” contin
ue ne
xt action.
Send AFT adj code b
y HHU command.
With data displa
y
ed on screen press
“0
” on
HHU (This is code 40 BF F6) Connect a v
olt-meter to pin 55 of the Q501.
Then adjust the L161.
A)
Open IF and A
GC solder pads
Apply input signal Put set into S mode Send A
GC code 40 BF F7
W
ait f
or OSD displa
y to change to
“AG
C
OK
”
B)
or F
eed-in the colour Bar Signal with sound
(RF 90dBuV) Adjust A
GC Bus data so as to get the good
S/N picture and no inter modulation ap- pearance
1
.
This item shall be adjusted after the screen
VR adjustment and white balance
adjustment
2
.
Adjust the n
umber of collapsed b
lac
k lines
of the sub-br
ight signal
In case of
“COIL
OK
”
N/A IC A
uto Adjust
In case of
“COIL
NG
”
V
oltage of pin 55
2.5
±
1V
N/A IC A
uto Adjust
32
”:
32Z13B/ 32Z13G 4
±
1.5 lines
28
”:
28Z13B/ 28Z13G 4
±
1.5 lines
VCO AG
C
BR
TC
VCO AG
C
Sub-br
ight
adjustment