17
AV3000 AVC Unit Service Manual
31 3.0 IF TRAP ADJACENT CHANNELS OUT Not used
32 3.1 1900TX-3v3 OUT
PDP communication via
RS232C
33 3.2 SCI FROM AVLINK IN AV link input
34 3.3 IR1 IR FROM PDP IN IR input
35 3.4
FRONT-SVHS-
SOCKET
IN S-VHS socket detect
36 3.5 MAP1 A18 ON SRAM OUT SRAM mapping
37 3.6 MAP2 A15/A18 SWITCH OUT SRAM mapping
38
Port3
3.7 1900RX IN
PDP communication via
RS232C
48 4.2 MEM RD# OUT SRAM output enable
49
Port4
4.3 MEM WR# OUT SRAM write enable
7.2.
AVC-PDP Connectors
7.2.1. DVI74320-4004
24-way Digital Interface Cable Connector (P301P)
PIN
No:
AVC
(FC4)
PDP
PIN
No:
AVC
(FC4)
PDP
1 TX2- > TX2- 13 N.C. - N.C.
2 TX2+ > TX2+ 14 +5VAVDET > +5VAVDET
3 SHIELD - SHIELD 15 GND - GND
4 N.C. - N.C. 16 HPDET > HPDET
5 N.C. - N.C. 17 TXD- > TXD-
6 SCLH > SCLH 18 TXD+ > TXD+
7 SDAH > SDAH 19 SHIELD - SHIELD
8 N.C. - N.C. 20 N.C. - N.C.
9 TX1- > TX1- 21 N.C. - N.C.
10 TX1+ > TX1+ 22 SHIELD - SHIELD
11 SHIELD - SHIELD 23 TXC+ > TXC+
12 N.C. - N.C. 24 TXC- > TXC-