SHARP SX68JF200
Instrukcja Serwisowa

SX68JF200

SUB-CONT SUB-BRIGHT ADJUSTMENT
NO. Adjustment part 3 MAX BEEM R1633 (in the POWER unit) Adjusting procedure and conditions Waveform and others 1 Receive E-5CH (Monoscope pattern) with standard mode. 2 Make the image normal with the remote controller. 3 Connect the beam ammeter between TP1601 and 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 R1633 (sub-contrast VR). Note 2. Apply the adjustment after aging with the beam current 1,500 ± 50µA or more for 30 minutes or more. (On the white or green monocolour screen) 1 Receive the window pattern with AV input. Note 3 : Use �Y� of Minolta colour 2 Make the picture normal with the remote conanalyzer CA-100. troller. Note 4 : Us the PAL window pattern 3 Select the "SUB-CONTRAST" adjustment mode with the remote controller, and adjust 50% white to 150 ± 5cd. 1 Select the DVD mode. 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-CONTRAST" adjustment mode (DVD) with the remote controller, and adjust 50% white to 150 ± 5cd. 1 Receive the window pattern with AV input. Reference 2 Make the picture normal with the remote con- * When E-2CH (Crosshatch pattern) or troller. equivalent signal is received, 3 Select the "SUB-BRIGHT" adjustment mode with the remote controller, and adjust the right 1 Make the picture normal with the dark white area of the window pattern to 2.7cd remote controller. ± 0.3cd. 2 Adjust the 3rd (1 thru 5 from the left) black of the window pattern to 1 Select the DVD mode. 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), and adjust the right dark white area of the window pattern to 2.7cd ± 0.3cd of the window pattern. of the signal generator for adjustment. (PAL and colour burst are provided.)

4-1 Sub-contrast (SUB CONT) I2C bus adjustment (RF signal)

4-2 Sub-contrast (SUB CONT DVD) I2C bus adjustment (DVD signal)

5-1 Sub-bright (SUB BRI) I2C bus adjustment (RF signal)

5-2 Sub-bright (SUB BRI DVD) I2C bus adjustment (DVD signal)

CUTOFF POINT

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