Service Adjustments - Sanyo DS13310 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. 001 HP (H Phase), No. 013 TDS (Trap & D SW), No. 021 GD
(G Drive Reduction), No. 024 AG (AFC Gain), No. 026 SCO (Sub-Color), No. 027 STI (Sub-Tint), No. 028 SSH (Sub-
Sharpness), and No. 031 HR (OSD Display H-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. 001 HP (H Phase) with
4. Select No. 013 TDS (Trap & D SW) with
5. Select No. 021 AG (G Drive Reduction), with
6. Select No. 024 AG (AFC Gain), with
7. Select No. 026 SCO (Sub Color) with
8. Select No. 027 STI (Sub Tint) with
9. Select No. 028 SSH (Sub Tint) with
10. Select No. 031 HR (OSD Display H-Position) with
11. 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 below.)

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 22.
or key. Adjust the data with + or – key for 1.
or key. Adjust the data with + or – key for 9.
or key. Adjust the data with + or – key for 0.
or key. Adjust the data with + or – key for 7.
or key. Adjust the data with + or – key for 20.
or key. Adjust the data with + or – key for 4.
or
No. Data
XXX XXX XXX XXXXXXXX
BINARY DATA
TITLE
(8 bit)
DECIMAL DATA
(ZERO SUPPRESSED)
No. 001-040, 043-115
Figure 1. Service Menu Display
key. Adjust the data with + or – key for 38.
No.
OR
XXX DRV XXX XXXXXXXX
BINARY DATA
TITLE
(8 bit)
DECIMAL DATA
(ZERO SUPPRESSED)
No. 041
— 3 —
Data