SONY SXRD KDS-50XBR1 KDS-60XBR1 SERVICE MODE Electrical H/V Center Adjustment.
- There are four Service Mode options for these models [KDSR-50 | 60XBR1] controlled by each micro. Each Micro generate its own service OSD.
- TV Micro: Use to display Software and NVM version information.
- DM Micro: Use to display DMD test patterns, check tuning status, Host ID and save user and service related data.
- WE Mocro: IFP Device control.
- DE Micro: Use to display C board test patterns and adjust H | V center.
TO VERIFY MICRO VERSION
- Enter the Service Mode
- Press [Display => 5 => Volume (+) => Power] buttons in sequence by the remote control.
- The first service item is VERSION
- Toggle the Data from '0' to '1' with [3] button.
- Micro Versions are displayed to the right of each key device.
TO VERIFY MICRO VERSION.
- Enter into Service Mode, as described above.
- Scroll to item NVVR by pressing [1] button.
- Toggle the Data from [0] to [1] with [3] button.
- NVM versions are displayed to the right of each key device.
DMD TEST PATTERNS
DMD is capable of displaying 2 sets of test patterns. Service Item
[PATN] displays test patterns that take the same path as the main video
from the DMB. Service item [GTPN] displays test patterns that take the
same path as the graphic generated in the DMB.
TO DISPLAY DMP INTERNAL TEST PATTERN
- Enter into Service Mode, as described above.
- Once in Service Mode, press the [Jump] button once on the remote, to enter DM service mode. You will be in "QM Info" Screen.
- Scroll to item 1 "PATN" or item 2 "GTPN"
- Using the [1] button on the remote.
- Can scroll through the various test patterns using the [3] button on the remote.
THE AVAILABLE "PATN" TEST PATTERNS FOR THE 'DMB' ARE
1080i
- Cross-Hatch
- Color bar + color ramp.
- Window.
- Color bar.
- White.
- White/Blue
- Stair step.
- Horizontal burst
- Horizintal burst [color].
- Horizontal ramp.
- Overscan.
- Cross hatch [thick]
- Diamond dots.
- White.
480i 21 > 35 With the same patterns as above.
480p 41 > 55 With the same patterns as above.
720p 61 > 75 With the same patterns as above.
# Some of the signals accompany 100% audio signal. Note that 'Mute' or Volume does not work in this case.
C BOARD TEST PATTERNS
The Rock IC on the C board is capable of displaying test patterns.
These are very important in determining if a video defect is related to
the Optical Block or prior video processing stage [ASU | DSU etc] To
display C board test patterns:
Enter the Service Mode as described above.
Press the [Jump] button 'Three' times until arrive at 'Panel' service mode.
Once in Panel Service Mode, press [2] button 'Five' times to arrive at Device 5_TEST_PAT.
Once in TEST_PAT, enable the test patterns by toggling the data from [0] to [1] by pressing "3" button once.
The screen will turn all White, however the Service OSD will still be displayed.
Once test patterns are enabled can display Flat color fields or individual test patterns.
C BOARD TEST PATTERN OPTIONS
- To display Flat Color fields, scroll to item [1] "IPT_RGB" under Device 5 TEST_PAT with the [1] button.
- By default, the data value will be "7" which displays an all White screen. Press [6] button to change data values and display the individual color fields.
- Data value;
- 7=White
- 6=Yellow
- 5=Magenta.
- 4=Red
- 3=Cyan
- 2=Green
- 1=Blue
- 0=Black
Alliteratively items PAT_ENB & PAT_RGB can be used. These patterns do not have White Balance Correction enabled.
To display individual patterns, scroll to item '4' "MODE" under Device 5
TEST_PAT with the [1] button. To display test patterns press '3'
button on the remote control.
Data value:
0=Plain white.
1= Stripe.
2= Checker [small]
3= Lattice.
4= Cross hatch.
5= Cross point.
6= Ramp.
7= Stair step.
8= Checker.
9= Diagonal.
10= Window.
## If IPT_ENB is not returned to value of "0" the test patterns will
remain on screen when power is cycled. In this state the service OSD is
not accessible. To clear the test pattern cycle AC power OFF | On.
- H|V center adjustment may be necessary if optical block is replaced. Unlike previous G/W models H/V center is adjusted by the Rook ICs on the C board.
- Since adjustments takes place at the end of the video processing chain there is no need to adjust H\V Center for multiple Wide Modes.
- Use the below service items to adjust.
LAMP TIMER
To check lamp timer take the following steps:
- Enter Service Mode. [Described in the previous post]
- Press the [Jump] button thrice to arrive the 'PANEL' service mode.
- Once in 'panel service mode' press the [2] or [5] button, to arrive at Device 20 "Timer".
- Lamp time is shown to the right.
TO RESET LAMP TIMER
- Scroll to item [1] LMPRST by pressing [1] button.
- Toggle the data from [0] to [1] with the {3} button, and write the changes by pressing [mute] > [enter].
- To check operation time, scroll to item '2' OPERAT by pressing the [1] button.
The lamp and operation time are written to NVM after power off
is performed by the remote or front panel button. If AC ON/OFF is
performed lamp and operation time accrued since last power On are
NOT written in the NVM.
SYSTEM STATUS
To view the system status page:
Enter service mode [display => 5 + Vol + => Power].- Press [Jump] button once to arrive at DM Service Mode.
- Press [3] button once to display the system status screen.
Color code chart:
Color
|
Meaning (Standard)
|
WHITE
|
LABEL TEXT
|
CYAN
|
INFORMATION
|
GRAY
|
DISABLED
|
GREEN
|
Ok/ Good/Valid
|
YELLOW
|
WARNING
|
RED
|
ERROR
|
CONFIRMING TUNING STATUS
Enter service mode.- Press [Jump] button once to arrive at DM Service Mode.
- Press [3] button "7" times to display the Front End Screen.
Key items to check include:
- Verify the In Band OOB status are "LOCK".
- Signal to Noise Ratio [SNR]: There is no hard value to confirm signal strength is at an acceptable level but as a rule of thumb a SNR of >20 is usually acceptable. SNR of 25->30 is preferred.
- If uncorrected errors is high, it could indicate a weak of noisy signal is being received and the DMB is unable to correct. There is no hard value or threshold value.
CONFIRMING HOST ID AND I.LINK STATUS
- Enter the service mode.
- Press the [Jump] button once to arrive DM service mode.
- Press [3] button "6" times to display the ATSC module Boot Diagnosis.
USER/SERVICE DATA MEMORY STICK READ | WRITE FEATURE
- The digital module service mode includes a feature that will allow the User \ Service data stored within the digital module to be read/written to a memory stick. This feature allows for a module to be replaced by Service Personal while preserving the user's TV confutation data. This feature will store/load both the factory default data, as well as the user's current settings.
WRITING USER | SERVICE DATA TO MEMORY STICK
When DMB is replaced user data can be saved to memory stick as follows:
- Enter Service Mode.
- Once in service mode, press the [Jump] button on the remote to enter DM service mode. you will be in the "QM" information screen.
- Scroll down to item "12' [WUSR] using the [1] button.
- Insert a memory stick and toggle the data from 0-1 using the [3] button.
USER MENU H/V ADJUSTMENT
To adjust the user Graphics position:
- Enter service mode.
- Press [Jump] button once to arrive DM service mode.
- Scroll to iten '8' GFXX or item '9' GFXY with the '1' button
- Adjust graphics position for each item by changing data with the [3] and [6] buttons.
- 8 GFXX [H position]
- 9 GFXY [P position]
- 1 TG [Device]: VST_POS for Vertical Center. Initial Data = 12.
- Adjust [1-25] Primary item for V center adjustment.
- First try to adjust with VST_POS if you must change more than +13 | -11 then start to change with FMDVPOS. If "VST_POS is changed greater than these limits then there could be issues with Gamma.
- HST_POS [for H center]; Initial data = 261.
- 17 FMD (Device): FMDVPOS (Secondary method for Vertical center) Initial data = 8
- Adjust [1-17] (Additional item for V center adjustment)
- Check HV center for mono-scope pattern with 'Wide" mode set to Full. (QM Cross hair test pattern #11 can be used if no other source is available.
- To adjust H\V center;
- Enter service mode as described in the earlier post.
- Press [Jump] button on the remote 'thrice' to select "PANEL" service mode.
- Scroll Device "TG" by pressing [2] button one time.
- Once the Device "TG", scroll to item [4] "VST_POS" to adjust vertical center.
- Use [3] and [6] buttons to adjust as needed.
- Scroll to item '5' "HST_POS" to adjust horizontal center.
- Use [3] & [6] buttons to adjust as needed. Note: After adjusting press [Mute] > [Enter] to write new settings into memory.
