NEC MultiSync 3D JC-1404HME Service Manual page 7

SIGNAL IDENTIFICATION FLOWCHART
INPUT SIGNAL
TTL
(H. V)
t
MODE OFF
I
SEPARATE SYNC
L
COMPOSITE S Y N C - - - - - - - - - - - - - - - - - -
SYNC POLARITY
E
(POSI, POSI) - -
(POSI, NEGA) - -
(NEGA, POSI) - -
(NEGA, NEGA)--
MODE O N - - - - - - - - - - - - - - - - - - - - - - - - - - - -
ANALOG
MODE OFF - , - Iv~ 75 Hz
I...-
f,<75 Hz
L
ro~~g~Ti
SYNC
t=
fH<33 k H z - - - - - - - - - - - - - - - -
fH~33 kHz - - - - - - - - - - - - - - - -
SEPARATE SYNC
t
fH2:33 kHz
- L
(HV)
SYNC POLARITY
~
(POSI, POSI) - -
fH
<
33 kHz (POSI, NEGA) - -
L
(NEGA, POSI) - -
(NEGA, NEGA) - -
(HV)
SYNC POLARITY
~
(POSI, POSI) - -
(POSI, NEGA) - -
(NEGA, POSI) - -
(NEGA, NEGA) - -
MOOE O N - - - - - - - - - - - - - - - - - - - - - - - - - - -
PIN ASSIGNMENTS
\ 10 0 0 0 06)
COO
XX
O OX
X'
~o o o o
<!}
60 0 0
X
010
60 0 0 09
110 0 0 0 015
QQ
X O X O O X1S
*15 pin mini D-sub male
**15 pin D-sub male ***9 pin D-sub male
IBM MDA IBM CGA IBM EGA
1 RED VIDEO RED GROUND GROUND GROUND GROUND
2 GREEN VIDEO RED NO-CONNECTION GROUND SECONDARY RED
3 BLUE VIDEO NO-CONNECTION NO-CONNECTION RED PRIMARY RED
NAME
CGA
EGA
(TTL (2)
(TTL (3)
(TTL (1):
MDA
8514/A
MAC-II
PGC
(ANALOG (2))
(800•600
(1))
(800*600
(2))
(800•600
(3))
(800*600 (4))
(ANALOG (1))
VGA 350
VGA 400
VGA 480
USER
IBM PGC
RED
GREEN
BLUE
4 GROUND NO-CONNECTION NO-CONNECTION GREEN PRIMARY GREEN COMPOSITE SYNC
5 GROUND GREEN WITH SYNC
NO-CONNECTION BLUE PRIMARY BLUE NO-CONNECTION
6 RED GROUND GREEN GROUND INTENSITY INTENSITY
SECONDARY GREEN RED GROUND
7 GREEN GROUND NO-CONNECTION VIDEO NO-CONNECTION SECONDARY BLUE
GREEN GROUND
8 BLUE GROUND NO-CONNECTION
H.SYNC H. SYNC H.SYNC BLUE GROUND
9 NO-CONNECTION BLUE V. SYNC
v_ SYNC
V. SYNC
GROUND
10 GROUND NO-CONNECTION
11 GROUND GROUND
12 NO-CONNECTION NO-CONNECTION
13 H. SYNC BLUE GROUND
14 V. SYNC GROUND
15 NO-CONNECTION
NO-CONNECTION
.
*15 Pin mini D-sub male connector is on the captive signal cable, for use with the IBM VGA, 8514/A or compatible graphics adapters.
**15 Pin D-sub male connector is on the 15 Pin mini to 15 Pin D-sub adapter, for use with the Apple Macintosh II Video Card.
***9 Pin D-sub male connector is on the 15 Pin mini to 9 Pin D-sub adapter, for use with the IBM MDA, CGA, EGA, PGC or compatible graphics
adapters.
-6-
•-
.-
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