Service Adjustments - Sanyo DS19500 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 – 6 for detailed information.)
INITIAL BUS DATA SETUP
Note: When IC802 (EEPROM) is replaced, the Service Menu NO. 23 POS (Pre Over SW), NO. 28 PRE (Preshoot Adj),
NO. 37 AF (Auto Flesh), NO. 54 SCO (Sub Color), NO. 55 STI (Sub Tint), NO. 57 OPT (SA Option ), and NO. 59
HR (OSD Position) should be set up for proper TV operation before attempting the service adjustments.
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. 23 POS (Preshoot Overshoot Switch) with
4. Select NO. 28 PRE (Preshoot Adj) with
5. Select NO. 37 AF (Auto Flesh) with
6. Select NO. 54 SCO (Sub Color) with
7. Select NO. 55 STI (Sub Tint) with
8. Select NO. 57 OPT (SA Option ) with
9. Select NO. 59 HR (OSD Position) with
10. 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.)
NO.
XX OPT XXX XXXXXXXX
TITLE BINARY DATA
(8 bit)
ITEM NO.
DECIMAL DATA
Figure 1. Service Menu Display

2. Service Adjustments:

•
Press the or key to select the desired service menu 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 2.
or key. Adjust the data with + or – key for 1.
or key. Adjust the data with + or – key for 10.
or key. Adjust the data with + or – key for 22.
or key. Adjust the data with + or – key for 100.
or key. Adjust the data with + or – key for 24.
DATA
or key. Adjust the data with + or – key for 1.
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