— 3 —
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 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
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. 03 HP (H Phase), NO. 07 VLN (V Lin), NO. 28 PRE
(Preshoot Adj), NO. 37 AF (Auto Flesh), NO. 57 OPT (SA Option ), and NO. 58 OP2 (SA Option 2) 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. 03 HP (H Phase) with
▲
or
▼
key. Adjust the data with + or – key for 14.
4. Select NO. 07 VLN (V Lin) with
▲
or
▼
key. Adjust the data with + or – key for 13.
5. Select NO. 28 PRE (Preshoot Adj) with
▲
or
▼
key. Adjust the data with + or – key for 3.
6. Select NO. 37 AF (Auto Flesh) with
▲
or
▼
key. Adjust the data with + or – key for 1.
7. Select NO. 57 OPT (SA Option ) with
▲
or
▼
key. Adjust the data with + or – key for 100.
8. Select NO. 58 OP2 (SA Option 2) with
▲
or
▼
key. Adjust the data with + or – key for 32.
9. Press the MENU key to turn off the Service Menu display.
NO.
DATA
XX OPT XXX XXXXXXXX
Figure 1. Service Menu Display
ITEM NO.
TITLE
BINARY DATA
(8 bit)
DECIMAL DATA
