SHARP 29BFX5
Manual de Servicio

SUB-CONT, SUB-BRIGHT ADJUSTMENT
NO ADJUSTMENT POINT 4 MAX BEAM R1759 ADJUSTMENT CONDITION / PROCEDURE (1) Receive E-5 CH (Monoscope pattern) with standard mode. (2) Make the image normal with the remote controller. (AV MODE: DYNAMIC) (3) Connect the beam ammeter between TP1601 & TP1602. Ammeter full scale-3mA range TP1602 is connected at the - side of the ammeter. TP1601 is connected at the + side of the ammeter. (4) Adjust the beam current to 1.8mA±20µA with R1759 (sub-contrast VR). Note1: Apply the adjustment after aging with the beam current 1,600 1 ±50µA or more for 30 min or more. (On the white or green monocolor screen) 5 SUB-CONTRAST (SUB-CONT) I2C BUS ADJUSTMENT (RF SIGNAL) (1) Receive the window pattern with AV input. Note1: Use "Y" of Minolta color (2) Make the image normal with the remote analyzer CA-100. controller. Note2: Use the PAL window (3) Select the SUB-CONTRAST adjustment mode pattern of the signal with the remote controller, and adjust 50% generator for adjustment. white to 165±10 2 cd. (PAL and colour burst are provided.)
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HORIZONTAL, VERTICAL, DEFLECTION LOOP AND ADJUSTMENT
NO ADJUSTMENT POINT MAIN SCREEN ADJUSTMENT 1 V-AMP 50 V-LINE 50 V S-CORR 50 V-CENT 50 H-CENT 50 H-SIZE 50 E/W-PAR 50 ADJUSTMENT CONDITION / PROCEDURE WAVEFORM OR OTHERS

WAVEFORM OR OTHERS In standard mode.

E/W-COR 50

TRAPE 50

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SUB-CONTRAST

(1) Select the DVD mode.

Note3: Window pattern
50% white for SUB-CONT

V-ENT H-ENT OTHER

Adjust the overscan to 8.5 %. (E-5) Adjust the linearity to the best. Already preset (**). (Adjust this unless the linearity is achieved.) Align the center of the screen to the geometric center of CRT. (E-5) Align the center of the screen to the geometric center of CRT. (E-5) Adjust the overscan to 8.5 %. (E-5) Adjust the 2nd 2 vertical line from the left 2 end of crosshatch pattern so that the middle 4 blocks are straight. (E-2) (Refer to Fig. 1-1.) Adjust the 2nd 2 vertical line from the left 2 end of crosshatch pattern so that the top are straight. (E-2) (Refer to Fig. 1-2.) Adjust the 2nd 2 vertical line from the left 2 end of crosshatch pattern so that the D1 (center area of the first vertical line - edge of screen) & D2 (top area of the first vertical line - edge of screen) are same. Already preset. (**) Already preset. (**) On the items of V-AMP 60, V-LINE 60, V S-CORR 60, V-CENT 60, H-CENT 60, H-SIZE 60, E/W-PAR 60, E/W-COR 60 and TRAPE 60, the compensation data is automatically input if the 50 Hz mode adjustment is done.
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The receiving channel in ( ) are the following signals. (E-2): Crosshatch (50 Hz) (E-5): Monoscope (50 Hz)

2 Fig 1-1

2 Fig 1-2

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(SUB-CONT DVD) (2) Receive the signal of the DVD signal I2C BUS generator. (Component signal) ADJUSTMENT (Window pattern) (DVD SIGNAL) (3) Make the picture normal with the remote controller. (4) Select the SUB-CONTRAST adjustment mode (DVD) with the remote controller, and adjust 50 % white to 165 ± 10 2 cd. 7 SUB-BRIGHTNESS ADJUSTMENT (SUB-BRI) I2C BUS ADJUSTMENT (RF SIGNAL) 8 SUB-BRIGHTNESS (SUB-BRI DVD) I2C BUS ADJUSTMENT (DVD SIGNAL) (1) Receive the window pattern with AV input. (2) Make the image normal with the remote controller. (3) Select the sub-bright adjustment mode with the

Dark white for SUB-BRIGHT

D2

I2C BUS ADJUSTMENT

Reference: *When E-2 CH (Crosshatch pattern) or equivalent signal is received.

Attention) Don�t change 50 Hz mode data after adjust 60 Hz mode data. Because 60 Hz mode data follow 50 Hz mode data automatically.

D1

2 Fig 1-3 However, if it is largely deviated when it is checked in the 60 Hz mode, readjust it in the 60 Hz mode.

remote controller, and adjust the right dark white 1. Make the image normal with area of the window pattern to 5.5 ± 0.5 1 cd. the remote controller. 2. Adjust the 3rd 1 (1 thru 5 from the left) black of the window (1) Select the DVD mode. pattern to sink. (2) Receive the signal of the DVD signal generator. (Component signal) (Window pattern) (3) Make the picture normal with the remote controller. (4) Select the SUB-BRIGHT adjustment mode (DVD) with the remote controller, and adjust the right dark white area of the window pattern to 5.5 ± 0.5
1

1

cd.

CUT OFF POINT

29B-FX5 29B-FG5

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