Service Adjustments - Sanyo DS13320 Service Manual

GENERAL
This set has an On-screen Service Menu system included in the CPU that allows remote operation for most of the service adjustments.
IC802 (EEPROM) REPLACEMENT
When IC802 (EEPROM) is replaced, IC801 (CPU) will automatically write the initial reference data into IC802 for basic TV operation.
However, the bus data should be checked and some bus data should be set up before attempting the service adjustments.
(See pages 4 – 5 for detailed information.)
INITIAL BUS DATA SETUP
Note: When IC802 (EEPROM) is replaced, the Service Menu No. 4 VS (V Size), No. 10 VSC (V S Cor.) , No. 28 PRE (Pre Shoot
Adj), No. 32 BSG (Blk Str Gain), No. 42 RAD (RF AGC Delay), No. 48 SCO (Sub Color), No. 49 STI (Sub Tint), No. 50 SSH
(Sub Sharpness), No. 51 OPT (Option 1), and No. 52 OPT2 (Option 2) should be set up for proper TV operation before
attempting the service adjustments.
Bus data is in the hexadecimal format.
1. Disconnect the AC power cord (AC 120V line).
2. While pressing the MENU key, reconnect the AC power cord. The Service Menu display will now appear.
3. Select No. 4 VS (V Size) with
4. Select No. 10 VSC (V S Cor.), with
5. Select No. 23 POS (Pre/Over/SW), with
6. Select No. 28 PRE (Pre Shoot Adj), with
7. Select No. 32 BSG (Blk Str Gain), with
8. Select No. 42 RAD (RF AGC Delay), with
9. Select No. 45 FL (FM Level) with
10. Select No. 48 SCO (Sub Color) with
11. Select No. 49 STI (Sub Tint) with
12. Select No. 50 SSH (Sub Sharpness) with
13. Select No. 51 OPT (Option 1) with
14. Select No. 52 OPT2 (Option 2) with
15. Press the MENU key to turn off the Service Menu display.
ON-SCREEN SERVICE MENU SYSTEM
1. Enter the Service Menu:
•
While pressing the MENU key, reconnect the AC power cord. The Service Menu Display will now appear. (See Figure 1.)
OPT XX
TITLE
HEXADECIMAL DATA
Figure 1. Service Menu Display

2. Service Adjustments:

•
Press the or key to select the desired service menu item you want to adjust. (See page 4 for On-screen Service
Menu.)
•
Use the + or – key to adjust the data.
3. Exit from the Service Menu:
•
Press the MENU key to turn off the Service Menu display.
SERVICE ADJUSTMENTS
or key. Adjust the data with + or – key for 40.
or key. Adjust the data with + or – key for 07.
or key. Adjust the data with + or – key for 01.
or key. Adjust the data with + or – key for 02.
or key. Adjust the data with + or – key for 02.
or key. Adjust the data with + or – key for 20.
or key. Adjust the data with + or – key for 15.
or key. Adjust the data with + or – key for 07.
or key. Adjust the data with + or – key for 14.
or key. Adjust the data with + or – key for 0C.
or key. Adjust the data with + or – key for 04.
or key. Adjust the data with + or – key for 80.
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