NEC MultiSync 3D JC-1404HME Service Manual page 62

2. Adjust the active video area to the center and the specified size by pushing the user control
buttons changing the data of the buffer RAM.
3. Store these control data to the EE-PROM by pushing the memory recall button.
(Fig. 2-5-2) SIGNAL IDENTFICATION FLOW of the MS-III
INPUT SIGNAL
TTL
MEMORY
(HOR., VER.) LOCATION
t
MOOE OFF
I
SEPARATE SYNC
L
COMPOSITE S Y N C - - - - - - - - - - - - - - - - - 15
MOOE ON 13
SYNC POLARITY
~
(POS. POS) --OB
(POS, NEG) - OC
(NEG. POS) --16
(NEG. NEG) - - 17
ANALOG
MOOE OFF
- r -
fv~ 75 H z - - - - - - - - - - - - - - - - - - - - 10
MODE ON
L -
fv<75Hz
L
ro~~g~Ti
_SY_N_C _ _ _ _ _ _ _ _ _ _ _ _ _ _ 11
t=
IH<33 kHz - - - - - - - - - - - - - - 1 4
'"~33kHz - - - - - - - - - - - - - - 19
SEPARATE SYNC
t
IH 2:33 kHz
L
SYNC POLARITY
-i:=
'" < 33 kHz
t::
L
SYNC POLARITY
E
- 61 -
(HOR., VER.)
(POS, POS) - - 1 2
(POS, NEG) - - 1 B
(NEG. POS) - - 1C
(NEG, NEG) - - 1D
(HOR., VER.)
(POS. POS) - - 18
(POS, NEG) - - OD
(NEG. POS) - - OE
(NEG, NEG) - - OF
1A
NAME
CGA
EGA
TTL (2)
TTL (3)
TTL
(1)
MDA
8514/A
MAC-II
PGC
ANALOG (2)
800
X
600
(1)
800
X
600 (2)
800
X
600
(3)
800
X
600
(4)
ANALOG (1)
VGA 350
VGA 400
VGA 480
USER SELECT ABLE
•·i(,.
:·· r-,,(1:'
·. 1i;
,•!i,