Sanyo PLC-XF60, Service Manual

Page: 95 / 192

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Control Port Functions
Pin Function Name Function Pol. Action
72 GND - -
73 S3.3V - -
74 D4 Data Bus 4 B -
75 D5 Data Bus 5 B -
76 D6 Data Bus 6 B -
77 D7 Data Bus 7 B -
78 Serial Port Wakeup O (Open)
79 IRQ0 Interrupt Output(Level Output) O -
80 Serial Port Invalid I (Open)
Parallel Output Expander1(74LVCX374) (IC6755)
1 EXP_RST I Active L
2 DEG_CTL Buffer Enable/Disable Switch for DVI or Slot O
3 D0 Data Bus 0 I -
4 D1 Data Bus 1 I -
5 AD99_CTL Buffer Enable/Disable Switch for AD9981 O
6 AD98_CTL Buffer Enable/Disable Switch for AD9888 O
7 D2 Data Bus 2 I -
8 D3 Data Bus 3 I -
9 DVI_CTL DVI / Slot Switch O
10 GND GND - -
11 WE0 I -
12 AD9981_PWDN AD9981 Power Down O
13 D4 Data Bus 4 I -
14 D5 Data Bus 5 I -
15 HVBLK_SW H/V Switch for CXA2175 O
16 RCA/BNC_SW RCA/BNC Switch O
17 D6 Data Bus 6 I -
18 D7 Data Bus 7 I -
19 AV1/AV2_SW AV1/AV2 Switch O
20 S3.3V - -
Parallel Output Expander2(74LCX574) (IC4428)
1 EXP_RST I Active L
2 D8 Data Bus 8 I -
3 D9 Data Bus 9 I -
4 D10 Data Bus 10 I -
5 D11 Data Bus 11 I -
6 D12 Data Bus 12 I -
7 D13 Data Bus 13 I -
8 D14 Data Bus 14 I -
9 D15 Data Bus 15 I -
10 GND GND - -
11 WE1 I -
12 (Not used) O (Open)
13 (Not used) O (Open)
14 RESET_GAM Gamma IC Chip Selcect O L:Reset
15 SAM3_CLB AI Reset O L:Reset
16 SAM3_HZ AI Hi-Z (DRAM Reset) O H:Hi-Z(Reset)
17 (Not used) O (Open)
18 LS_3.3VSW Panel Drive Power Control O
19 LS_15.5VSW Panel Drive Power Control O
20 S3.3V - -
Parallel Output Expander3(74LCX574) (IC5826)
1 EXP_RST I Active L
2 D16 Data Bus 16 I -
3 D17 Data Bus 17 I -
4 D18 Data Bus 18 I -
5 D19 Data Bus 19 I -
6 D20 Data Bus 20 I -
7 D21 Data Bus 21 I -
8 D22 Data Bus 22 I -
9 D23 Data Bus 23 I -
10 GND GND - -
11 WE1 I -