Sub Bright Adjustment; Screen Center Adjustment; Horizontal Center Adjustment; Vertical Center Adjustment - Sony KF-50SX200 Service Manual

3-6. SUB BRIGHT ADJUSTMENT

1. Receive the monoscope signal.
2. Mode
PICTURE Personal
SCREEN Wide
3. Adjust by changing data of "D9512 IM 3 SUB BRT" so
that the border between 0 IRE and 10 IRE becomes dis-
tinct.
4. Write the data into memory.

3-7. SCREEN CENTER ADJUSTMENT

3-7-1. Horizontal center adjustment

(1) 50Hz adjustment
1) Receive the PAL SPCB (RF) and adjust H center by
changing data of "IP00C741A 1.OACTHST-L".
2) Write the data into memory.
(2) 60Hz adjustment
1) Receive the PAL SPCB (RF) and change the picture to
PAP (Picture And Picture) mode.
2) Adjust H center by changing data of "IP00C741A
1.OACTHST-L". At the same time confirm no illuminated
pattern is visible on the right end of the screen. If you
should find one, change the register setting.
• Register Setting Change
6 VZOOM-L
7 VZOOM-H
8 OHCYCL-L
24 IACTVW-L
3) Write the data into memory.

3-7-2. Vertical center adjustment

(1) 50Hz adjustment
1) Receive the PAL SPCB (RF) and adjust V center by
changing data of "IP00C741A 3. SYRDLY".
2) Write the data into memory.
(2) 60Hz adjustment
*Input the NTSC monoscope (VIDEO). Adjust
"IP00C741A 3. SYRDLY" to find out the value terrible
picture flicker occurs. Note the value for 60Hz adjustment.
1) Receive the PAL SPCB (RF) and change the picture to
PIP (Picture In Picture) mode.
2) Adjust V center by changing data of "IP00C741A 3.
SYRDLY". (0 is prohibited for this register)
Be sure that ±1 step area of the noted value is prohibited.
3) Write the data into memory.
0
161
19
227

3-8. TEST-TEST MODE

Is available by pressing "OSD", "5", "Volume +", "TV" button
in the standby mode, OSD "TT--"appears.
The diagnosis menu can be displayed by these methods :
TT mode :
Service Menu :
For correction of any wrong input (first digit.) by mistake these
methods are possible :
Press"- -"
Press"0"
The Test-Test Mode can be left by these methods :
Press"0" twice.
Press TV button
Press standby button
00 TT mode off
01 picture maximum
02 picture minimum
03 volume = 30% (speaker and headphone)
04 volume = 50% (speaker and headphone)
05 volume = 65% (speaker and headphone)
06 volume = 80% (speaker and headphone)
07 Ageing Mode
This TT mode is stored in NVM, after power shut down
TV starts again in Ageing mode. Ageing Mode can be
left by pressing TV button.
Volume is set to minimum.
08 Shipping Conditions
Note : The u-controller checks all possible IC's and
generate an internal list.
This list is the base of the error check procedure.
Production mode = off
Ignore Errors = off
Errors = cancelled
Standby = off
Parental lock = off
Ageing white = off
Flash = erased
Language = English
Country = off
AV1 = Normal, "AV1"
AV2 = Normal, "AV2"
AV3 = Normal, "AV3"
AV4 = Normal, "AV4"
AV In Main = AV1
AV In Sub = AV1
AV3 Out = TV
Main program = 1
Sub program = 2
– 29 –
KF-50SX200/50SX200K/50SX200U
Press "33"
Monitoring t Error Monitor or
LCD-Engine Error Menu
K
RM-905