NEC DSC-3261HA Service Manual page 10

6. The adjustment of AGC
6-1. Main and Sub AGC DATA are Fixed, but those can be adjusted in case of
need.
6-2. Confirm the Main AGC and Sub AGC by pressing the [S10]key of SVC
remocon.
Main AGC=13, Sub AGC=13
7. The adjustment of GEOMETRY
7-1. Press the [S-6]key on the SVC remocon to call up the Geometry mode.
And then, Geometry OSD will be displayed.
7-1-1. All adjustment is base on PAL(50Hz), but it can be base on NTSC(60Hz) in case
of need.
7-1-2. Have regard to change of NTSC(60Hz)-Geometry when Geometry is adjusted in
PAL(50Hz).
7-1-2. Have regard to fixity of PAL(50Hz)-Geometry when Geometry is adjusted in
NTSC(60Hz).
7-2. The adjustment of VERTICAL CENTER
7-2-1. Receive PAL RETMA pattern(signal of company:PAL-B 2CH).
7-2-2. Press the PR up/down Keys( /
Adjust with Vol Up/Down (
located on the horizontal line in the middle of the pattern. In case of no center
mark, adjust with Vol Up/Down (
pattern.
7-3. The adjustment of VERTICAL SIZE
7-3-1. Receive PAL RETMA pattern(signal of company:PAL-B 2CH).
7-3-2. Press the PR up/down Keys (
Adjust with Vol Up/Down (
pattern may be located at the boundaries of the screen.
7-4. The adjustment of HORIZONTAL CENTER
7-4-1. Receive PAL RETMA pattern(signal of company:PAL-B 2CH).
7-4-2. Press the PR up/down Keys (
Referring to the both side scales, adjust with Vol Up/Down (
RETMA pattern may be symmetrical.
7-5. The adjustment of HORIZONTAL SIZE
7-5-1. Receive PAL RETMA pattern(signal of company:PAL-B 2CH).
7-5-2. Press the PR up/down Keys (
Referring to the both side scale, adjust with Vol Up/Down (
) to select V CENTER.
/ ) keys so that the center mark of the CRT may be
/ ) keys to obtain a vertically symmetrical
/ ) to select V-SIZE.
/ ) keys sothat the upper and the lower of RETMA
/ ) to select V-SIZE.
/ ) to select V-SIZE.
9
Alignment Instruction
/ ) keys so that
/ ) keys.