GENERAL
This set has an On-screen Service Menu system included in the CPU that allows remote operation for most of the service adjustments.
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.)
2. Service Adjustments:
• Press the ▲ or ▼ key to select the desired service menu you want to adjust. (See page 5 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
— 3 —
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 5 – 7 for detailed bus data information.)
INITIAL BUS DATA SETUP
Note: When IC802 (EEPROM) is replaced, change the following initial reference data for proper TV operation before
attempting 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. 4 VS (V Size) with ▲ or ▼ key. Adjust the data with + or – key for 17.
4. Select NO. 5 VLN (V Linearity) with ▲ or ▼ key. Adjust the data with + or – key for 8.
5. Select NO. 6 VSC (V S Correction) with ▲ or ▼ key. Adjust the data with + or – key for 2.
6. Select NO. 7 HP (H Position) with ▲ or ▼ key. Adjust the data with + or – key for 24.
7. Select NO. 8 EWD (H Width) with ▲ or ▼ key. Adjust the data with + or – key for 34.
8. Select NO. 9 EWA (Pincushion Amp) with ▲ or ▼ key. Adjust the data with + or – key for 35.
9. Select NO. 10 EWP (Upper Corner Pincushion) with ▲ or ▼ key. Adjust the data with + or – key for 34.
10. Select NO. 12 BOW (AFC Bow) with ▲ or ▼ key. Adjust the data with + or – key for 7.
11. Select NO. 13 ANG (AFC Angle) with ▲ or ▼ key. Adjust the data with + or – key for 8.
12. Select NO. 14 UVL (Upper V Lin) with ▲ or ▼ key. Adjust the data with + or – key for 0.
13. Select NO. 15 LVL (Lower V Lin) with ▲ or ▼ key. Adjust the data with + or – key for 0.
14. Select NO. 16 EWT (Pincushion Phase) with ▲ or ▼ key. Adjust the data with + or – key for 4.
15. Select NO. 17 VC (V Compression) with ▲ or ▼ key. Adjust the data with + or – key for 5.
16. Select NO. 21 RB (Red Cutoff) with ▲ or ▼ key. Adjust the data with + or – key for 6.
17. Select NO. 22 GB (Green Cutoff) with ▲ or ▼ key. Adjust the data with + or – key for 0.
18. Select NO. 23 BB (Blue Cutoff) with ▲ or ▼ key. Adjust the data with + or – key for 0.
19. Select NO. 26 STI (Sub Tint) with ▲ or ▼ key. Adjust the data with + or – key for 15.
20. Select NO. 27 SCO (Sub Color) with ▲ or ▼ key. Adjust the data with + or – key for 9.
21. Select NO. 28 SB (Sub Bright) with ▲ or ▼ key. Adjust the data with + or – key for 12.
22. Select NO. 29 SSH (Sub Sharpness) with ▲ or ▼ key. Adjust the data with + or – key for 2.
NO. DATA
XX OPT XXX XXXXXXXX
Figure 1. Service Menu Display
ITEM NO.
TITLE
BINARY DATA
(8 bit)
DECIMAL DATA
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