Sharp LC-15A2M, Service Manual

9

LC-15A2M

3. Cancel of special mode

Turn off the main power.

4. Adjustments

5. Shipping setting list

Channel ............................................................................................................................................... 1ch

Skip Data ............................................................................................................................................ Off

Volume ................................................................................................................................................ 20

Contrast .............................................................................................................................................. 30

Tint ...................................................................................................................................................... 0

Colour ................................................................................................................................................. 0

Black Level ......................................................................................................................................... 0

SHARP ................................................................................................................................................ 0

RED-BLUE .......................................................................................................................................... 0

GREEN ............................................................................................................................................... 0

TV Colour System ............................................................................................................................... Auto

AV Colour System .............................................................................................................................. Auto

Language ............................................................................................................................................ English

Blue Screen (Back) ............................................................................................................................. Off

Sleep Timer ........................................................................................................................................ None

NICAM ................................................................................................................................................ On

IGR ...................................................................................................................................................... On

Brightness ........................................................................................................................................... Bright

Auto Power Off ................................................................................................................................... Off

Upside ................................................................................................................................................. Normal

Right/Left ............................................................................................................................................ Normal

AV1 ..................................................................................................................................................... Normal

AV2 IN/OUT ........................................................................................................................................ In

Adjustment

Adjusting conditions

Adjusting method

1. Connect the DC voltmeter to

pin 49 of SC401.

2. Go to the adjustment mode.

1. Go to the adjustment mode.

1. Receive a B/W channel.

2. Go to the adjustment mode.

3. Select the "COM BIAS" with

[MENU] key.

1

B+ Adjustment

(If E

2

PROM is

replaced)(IC2004)

2

Model setup

(If E

2

PROM is replaced)

(IC2004)

3

Counter-bias adjustment

1. Adjust the "B+ Adj" value to

5.0V ±0.02V with [VOL+] or [VOL-]

Key.

  * The colour of "B+ Adj" must be yellow.

1. Select "MODEL" with [MENU] key

and adjust to "A2U" with [VOL+] or

[VOL-] key.

  * The colour of "MODEL" must be

yellow.

1. Adjust "COM BIAS" to the darkest

creen with [VOL+] and [VOL-] key.

  * The colour of "COM BIAS" must be

yellow.