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SERVICE MODE
1. ENTERING SERVICE MODE
GENERAL ADJUSTMENTS
1) Press the button on the Remote Controller to display the MUTE mark on the screen. 2) Press the button again to delete the MUTE mark. button while 3) Hold down the pressing the MENU button on the TV while to enter the service mode. The setting menu will appear.
SERVICE MODE 1. RGB 3. COMB 5. TA1304 7. IIC 9. AFT S

2. DEF 4. OTHERS 6. MSP3410 8. OPTION 10. VOL

NOTE Switching setting screens Selecting setting screen Resetting service mode

CH /CH Volume +/TV power OFF

Select an item from the menu screen to see the settable items. Some settings include several sub items. Switching items CH /CH Returning to the top menu CALL button on the Remote Controller

2. REMOTE CONTROLLER /TV CONTROLS IN SERVICE MODE
When the TV is in the service mode (step 1), you can use either the Remote Controller or controls on the TV to register your settings. REMOTE CONTROL TV

CALL R CUTOFF G CUTOFF PICUTURE BRIGHT B CUTOFF Menu Input source selection Switching settable items (Channel up/down)

Self diagnostic function

Selecting and adjusting settings (Volume -/+) Switching settable items

Selecting and adjusting settings

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3. ADJUSTMENTS IN SERVICE MODE
+/- buttons to change settings. Use Volume See SETTING & ADJUSTING DATA for details on the setting data. 3-1. RGB Switching items using the CH /CH buttons

3-9. AFT
S TUNER C4 5 64 8E 1 HIGH CENTER LOW NT3 B/G --

1 BRIGHT 2 PICTURE 8 R CUTOFF 9 G CUTOFF 10 B CUTOFF 12 G DRIVE 13 B DRIVE 1 BRIGHT * The Direct select buttons (0-9) correspond to main the RGB-related settings. For more information, refer to "2. REMOTE CONTROL BUTTONS/TV SWITCHES IN SERVICE MODE". 3-2. DEF Switching items using the CH /CH buttons 5 VPOS 7 VSC 9 V LIN 11 WID 3 HIT 13 PARA 15 TRAP 25 BCNR 27 TCNR 79 HPOS 80 CNR 3 HIT 3-3. COMB Not used 3-4. OTHERS Not used 3-5. TA1304 Switching items using the CH /CH buttons 1 WCTL 2 BASC 3 TREC 4 WON1 5 WON2 6 WOFF 7 EBAS 8 ETRE 9 EVOL 10 BASX 11 TREX 12 TONN 13 ALS 14 W100 15 W70 16 W40 17 V100 18 V75 19 V50 20 V25 21 VO1 22VOLX 23 BAS1 24 BAS2 25 TRE1 26 TRE2 27 WFL1 28 WFL2 1 WCTL 3-6. MSP3410 Switching items using the CH /CH buttons 1 V01 2 V25 3 V50 4 V75 5 V100 6 LODN 7 BASX 8 BASC 9 TONN 10 TREX 11 TREC 12 WON2 13 WCTL 14 MDBLP 15 MDBHP 16 MDBHM 17 BAS1 18 TRE1 19 WFL1 20 BAS3 21 TRE3 22 WFL3 23 VOLX 24 VOLS 25 FVOL 26 FVDK 27 DKVL 28 NVOL 29 NICL 30 NICH 31 IDL 32 IDH 33 XVOL 1 V01 3-7. IIC (Indicates bus line communication status) BUS CONT: Displays results on responses from devices
S IIC TUNER AUDIO EEPROM AV SW NT3 B/G -- OK OK OK OK

3-10. VOL Switching items using the CH /CH 1 V25 2 V50 1 V25 buttons

4. TEST SIGNAL
A blank white screen appears when you press the VIDEO button on the Remote Controller.

5. INITIALIZING MEMORY IC
1) Enter the service mode. 2) Hold down the CALL button on the Remote Controller buttons. and select "D" (Design Mode) with the CH 3) Holding down the CALL button on the Remote Controller and the CH button on the TV simultaneously powers the TV ON and OFF. This [a) initializes] [b) registers] the data. CAUTION : Never try to perform initialization unless you have changed the memory IC.

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GENERAL ADJUSTMENTS

3-8. OPTION Switching items using the CH /CH buttons 1 MTS 2 HOTEL 3 POSITION 4 APRO 5 FM 6 ON TIMER 7 VIDEO 8 LANGUAGE 9 MFLG1 10 MFLG2 11 MFLG3 12 MFLG4 1 MTS

6. SELF DIAGNOSTIC FUNCTION
1) Press the "9" button on the Remote Controller while the setting menu is displayed in the service mode. The diagnosis will begin to check if the interface between the IC's has been executed properly. 2) The following displays are shown on the screen during the diagnosis.
S 23 . . . . . POWER : 00 BLOCK : UV V1 V2 V3

GENERAL ADJUSTMENTS

(1) (2) (3)

(1) Part number of microprocessor (QA51) (2) If all is well, the protecting circuit should display "00". When the circuit displays another number, over current is apt to flow, posing a risk of damage to the circuit parts. (3) BLOCK UV: TV reception mode V1: VIDEO input mode ( 1) V2: VIDEO input mode ( 2) V3: VIDEO input mode ( 3)

Item POWER BLOCK UV V1 V2 V3

Description Displays an abbreviated protection signal (the last circuit used) and the number of detections. Performs a diagnosis when a synchronization signal is detected from the input or AUDIO/VIDEO signal is found to be present or absent. The faulty location is displayed in color. Execute a one-time diagnosis for the first time by pressing the 9 button on the Remote Controller.

Result Up to 255 times Color classification Green: Normal blocks White: Non-diagnostic blocks Red: Inspection requiring blocks

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