Sharp 37GT-25H User Manual download pdf

37GT-25S

SERVICE ADJUSTMENT

•SERVICE MODE FUNCTION

1. Connect a test pattern to the antenna terminal.

2. Tune the receiver to this signal.

3. Turn the receiver off using the mains switch.

4. Press the volume down and channel up buttons on the front of the receiver at the same time.

5. Keeping these buttons pressed, turn the mains on.

6. When the set starts up it will be in service mode.

7. Release the two buttons.

• Use the channel up and down buttons to move between the options.

• Use the volume control buttons to change the data.

• The data is stored automatically when the service mode is exited or at switch off.

• To exit the service mode, press the standby or menu button on the remote control.

To ensure correct operation of the AFT, this must be adjusted to 40.

-SERV-

AGC

AFT

H-SHIFT

V-SHIFT

V-AMPL

V- SLOP

S-CORR

Y-DLY

GAIN R

GAIN G

GAIN B

NVM

00∼ 3F

00 ∼ 7F

00 ∼ 3F

00 ∼ FF

Indicates operative Service Mode

Auto Gain Control

Auto Frequency Control

Horizontal Shift

Vertical Shift

Vertical Amplitude

Vertical Symmetry

S Correction

Luminance/Chrominance Delay

Red Gain

Green Gain

Blue Gain

NVM Data Change

On Screen

Display

Hexadecimal

Adjustment

Range

Function

XXXX

On Screen

Display

Hexadecimal

Adjustment

Range

1 2 3 4 5 6 ... 12 13

Summary of Contents

Page 1 - SERVICE ADJUSTMENT

537GT-25SSERVICE ADJUSTMENT•SERVICE MODE FUNCTION1. Connect a test pattern to the antenna terminal.2. Tune the receiver to this signal.3. Turn the rec

Page 2 - A 5

2437GT-25SPage 221 234567RQPONMLKJPage 25SCHEMATIC DIAGRAM (01 Version).+2.5V4447 463 4 5 6 7 8 9 10 11 12 13 14+2.5V6+3.3V15 16 17 18 19 20 21 22 23

Page 3 - 37GT-25S

2537GT-25SPage 238 91011 12 13 14RQPONMLKJPage 24SCHEMATIC DIAGRAM (01 Version).37GT25S+8V27-10-2000GA-1Q5ELECTRONICA ESPANA S.A.FECHA4BK6CODIGOIP10

Page 4

2637GT-25SPage 271IHGFEDCBA234567BLOCK DIAGRAM1234512314238T70035692568 310711H.VFOCUSG2109141312111516CH+ CH- VOL+ VOL-456321IC501449505152AVMUTEPOW5

Page 5

2737GT-25S4447 462 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 264548 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27495051321RMC

Page 6

637GT-25SAdjustment of Data within the NVM memoryTo access the NVM memory, press the channel up button on the remote control until the NVM setting is

Page 7

737GT-25SPAGE ADDRESS DESCRIPTION VALUE19 S_CORR2: S-CORRECTION 021A E_CAG2: CAG ADJUSTEMENT VALUE 0F1B EA_OPT2: TV OPTIONS0: FP: SYSTEM B/G (0)- B/G+

Page 8 - IX1818BM

837GT-25SPAGE ADDRESS DESCRIPTION VALUE3B N_HUE: HUE CORRECTION 073C CONT2: CONTRAST 333D COLOR2: COLOR SATURATION 173E BRIGHT: BRIGHTNESS 1F3F LUPK2:

Page 9

937GT-25S{Page 100{Page 200{Page 300{Page 400DEFAULT LIST MODE PAGES MEMORIZATION NOTE:In page memory for LIST MODE, every digit is written in one nib

Page 10 - FLY BACK

1037GT-25SFig. 4 c) When ∨ button is pressed, upper picture scanning increases and lower picture scanning decreases. d) Adjust t

Page 11 - 27-10-2000

1137GT-25S•COLOUR ADJUSTMENT PROCEDURES2. «B-GAIN», «G-GAIN», «R-GAIN»a) Adjust G2.b) Tune a white patternc) Adjust colour to minimum.d) Position co

Page 12 - BLOCK DIAGRAM

2237GT-25SPage 24Page 231IHGFEDCBA234567SCHEMATIC DIAGRAM (00 Version).123412314238T700Z0535BM3561109141312111516LEDCH+ CH- VOL+ VOL-45649505152+5VBAV

Page 13

2337GT-25SPage 25Page 228 9 10 11 121314IHGFEDCBASCHEMATIC DIAGRAM (00 Version).231.9-1.6-1.5-1.50-7.6-1.6-1.7-5.692568 3107114H.VT601F2047BMFOCUSG2TP