3
TOSHIBA 2163 DB
Safety Instuctions / Installation & Service Adjustments / Adjustments Cont’d / Safety Parts / Service Mode / Electrical Adjustments ...Cont’d
AV Diagram / Differences Table / Main Diagram / Text Diagram / CRT Diagram
Item: Slave address
30 [RCUT]
31 [GCUT]
32 [BCUT]
33 [GDRV]
34 [BDRV]
Name:
R cut-off
G cut-off
B cut-off
G drive
B drive
(White balance)
Setting: (User control)
Contrast: MAX
Bright : CENTER
Color : CENTER
Input signal: White, etc.
Measurement point: Screen adjustment
Adjustment procedure:
1. This adjustment must be done after adjust-
ment of the above-mentioned cut-off and
screen VR’s have been completed.
2. Adjust cut-off and drive DATA alternately.
3. Use a checker to adjust brightness by
changing modulation factor.
Adjustment standard:
HIGH LIGHT; (1 03cd/m
3
) 8750K—0.002uv
DARK; (17cd/m
3
) 8750K -0.002uv
Item: Slave address 37 [COLC]
Name: SUB COLOR CENTER
Setting: (User control)
Contrast: MAX
Bright : CENTER
Color : CENTER
Input signal: Sub-bright signal
Measurement point: Pin 12 of IC501
Adjustment procedure:
1. Select slave address 37 [COLC].
2. When [COLC] is selected, Y signal is muted
only color signals are outputted.
3. Adjust amplitude of the upper half of the-color
bar output.
Adjustment standard: 1.25V (p-p)
±
0.15V (p-p)
Item: Slave address F1 TRP
Name: Chroma trap f
0
adjusting
Setting: (User control)
Contrast: MAX
Bright : MIN
Color : MIN
Input signal: PAL color bar
Measurement point: Pin 12 of IC501 (B-OUT)
Adjustment procedure:
1. Select slave address Fl TRP
2. Adjust chroma trap so that chroma level at pin
12 of IC501 becomes minimum.
Adjustment standard: Chroma level: MIN
SELECTING THE ADJUSTING ITEMS
1)Every pressing of CHANNEL
▲
button changes the adjustment items in the following order.
(
▼
button for reverse order.)
Adjusting QA02
Name
Preset
2163DB
2163DD
2163DF
method
memory
of
Comment
data (H)
data (H)
Data (H) data (H)
address
item
F
06BH
RCUT
(30):
R CUTOFF
40
F
06CH
GCUT
(31):
G CUTOFF
40
F
06DH
BCUT
(32):
B CUTOFF
40
F
06EH
GDRV
(33):
G DRIVE
80
F
06FH
BDRV
(34):
B DRIVE
80
S
070H
CNTX
(35):
SUB CONTRAST MAX
FF
F
071H
BRTC
(36):
SUB BRIGHT CEN
80
F
072H
COLC
(37):
SUB COLOR CEN NTSC
80
S
073H
TNTC
(38):
SUB TINT CEN
40
S
074H
COLP
(39):
SUB COLOR CEN PAL (DIFFERENCE)
00
S
075H
COLS
(3A): SUB COLOR CEN SECAM (DIFFERENCE)
00
F
076H
SCNT
(3B): Y-SUB CONTRAST
0A
F
093H
HPOS
(80):
50Hz H-POSITION
05
F
094H
VPOS
(81):
50Hz V-POSITION
04
F
095H
HIT
(82) : 50Hz H-WIDTH
40
F
O9AH
VLIN
(90) : 50Hz V-LINEARITY
10
F
O9DH
BELL
(F0) : BELL FILTER
01
S
O9EH
TRP
(Fl):
CROMA TRAP fO
02
F
OA3H
SBY
(F6): SECAM B-Y
08
F
OA4H
SRY
(F7): SECAM R-Y
08
S ... semi-fixed data area which is fixed by model. (Do not adjust in field service.) F ... This item may
require adjustments by models after initialization, when QA02 is replaced.
INITIALIZATION OF MEMORY DATA OF QA02
After replacing QAO2, the following initialization
is required.
1. Enter the service mode, then select any
register item.
2. Press and hold the CALL button on the
Remote, then press the CHANNEL
▲
button
on the TV. The initialization of QA02 has been
completed.
3. Check the picture carefully. If necessary,
adjust any adjustment item above. Perform
“AUTO search memory” on the owner’s
manual.
CAUTION: Never attempt to initialize the data
unless QA02 has been replaced.
ADJUSTING THE DATA
1) Pressing of VOLUME
▲
or
▼
button will
change the value of data in the range from
OGH to FFH. The variable range depends on
the adjusting item.
EXIT FROM SERVICE MODE
1) Press POWER button to turn off the TV
once.
Electrical Adjustments Cont’d
AV Diagram
Differences Table
