Sharp 14V-L70M Panduan Servis - Halaman 6

Jelajahi secara online atau unduh pdf Panduan Servis untuk TV Sharp 14V-L70M. Sharp 14V-L70M 31 halaman. Ntsc system color television

14V-L70M

For adjustments of this model, the bus data is converted to various analog signals by the D/A converter circuit.

Note:

There are still a few analog adjustments in this series such as focus and master screen voltage. Follow the

steps below whenever the service adjustment is required. See "Table-B" to determine, if service adjustments

are required.

1. Service mode

Before putting unit into the service mode, check that

customer adjustments are in the normal mode. Use

the reset function in the video adjustment menu to

ensure customer controls are in their proper (reset)

position.

2. Service item selection

Once in the service mode, press the Ch-up or Ch-

down button on the remote controller or at the set.

The service adjustment item will vary in increments of

one. Select the item you wish to adjust.

3. Data number selection

Press the Vol-up or down button to adjust the data

number.

To enter the service mode and exit service mode.

Short JA137 & JA138 for 1 Second and release to switch

to the service mode position, and the microprocessor is in

input mode. (Adjustment through the I

exit the service mode, turn the television off by pressing

the power button.

C bus control.) To