Laser 128 - Page 224

EXPANSION CONNECTORS DIAGRAMS
DiSP£N SPKR
RED
INTEN
+llV
~
BLUE
F 14 M
8765432
15 14 13 12 11 10
GRE?:N VSYNC
COMP. CSYiiii
VIDEO SEROUT HSVNC
Figure C-6
Video expansion connector
1. INTEN ' - intensity s ignal
2. Fl4M - 14 MHZ
3. RED-signal
4. BLUE - signal
5. SPKR - sound output
6. LOAD PULSE-for LCD
7. DISPEN - for LCD
8. + 12 volt
9. HSYNC - h orizontal synchronization
signa l
PR7 PR6 PR5 PR4 PRJ PR2 PRI PRO
7654321
15 14 13 12 11
9
ffiiffi
BUSY
10. CSYNC - composite synchronization
s ignal (active low)
11. SEROUT -data for LCD
12. COMP VIDEO-
composite vide o output
13. ground
14. VSYNC - vertical synchronization
signal
15. GREEN-signal
Figure C-7 Parallel printer connector
1. printer data bus
9. BUSY -from printer
2. printer data bus
1 0. PTRSTB - printer data strobe
3. printer data bus
(active low)
4. printer data bus
11. ground
5. printer data bus
12. ground
6. printer data bus
13. ground
7. printer data bus
14 . groun~
8. printer data bus
15. ground
A-12