Sanyo DS25520 Manual

Also see for DS25520: Owner's manual Owner's manual Owner's manual Service manual Manual

Contents

Sanyo DS25520 Manual Manual pdf 5 page image

— 3 —GENERALThis set has an On-screen Service Menu system included in the CPU that allows remote operation for most of the service adjustments.To enter the Service Menu, first disconnect the AC power cord. Then while pressing the MENU key on the front control panel, recon-nect the AC power cord. The adjustments can now be made with the remote control or front control panel keys.ON-SCREEN SERVICE MENU SYSTEM1. Enter the Service Menu:ï While pressing the MENU key on the front control panel, reconnect the AC power cord. The Service Menu Display will nowappear. (See Figure 1.)2. Service Adjustments:ï Press the or key to select the desired service menu you want to adjust. (See page 4 for On-screen Service Menu.)ï Use the + or – key to adjust the data.3. Exit from the Service Menu:ï Press the MENU key to turn off the Service Menu display.SERVICE ADJUSTMENTSIC802 (EEPROM) REPLACEMENTWhen 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 SETUPNote: When IC802 (EEPROM) is replaced, change the following initial reference data for proper TV operation beforeattempting the service adjustments.1. Disconnect the AC power cord (AC 120V line).2. While pressing the MENU key on the front control panel, 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. 04 VS (V Size) with or key. Adjust the data with + or – key for 55.5. Select NO. 05 VPO (V Position) with or key. Adjust the data with + or – key for 0.6. Select NO. 07 VLN (V Lin) with or key. Adjust the data with + or – key for 11.7. Select NO. 10 VSC (V S Correction) with or key. Adjust the data with + or – key for 6.8. Select NO. 11 HBL (H Blanking Right) with or key. Adjust the data with + or – key for 1.9. Select NO. 12 HBL (H Blanking Left) with or key. Adjust the data with + or – key for 5.10. Select NO. 28 PRE (Preshoot Adj) with or key. Adjust the data with + or – key for 3.11. Select NO. 37 AF (Auto Flesh) with or key. Adjust the data with + or – key for 1.12. Select NO. 57 OPT (SA Option ) with or key. Adjust the data with + or – key for 100.13. Select NO. 58 OP2 (SA Option 2) with or key. Adjust the data with + or – key for 32.14. Press the MENU key to turn off the Service Menu display.NO. DATAXX OPT XXX XXXXXXXXFigure 1. Service Menu DisplayITEM NO.TITLE BINARY DATA(8 bit)DECIMAL DATA