Samsung PLK405WX/XAC, Service Manual

Page: 33 / 101

Alignment and Adjustments
Samsung Electronics 5-13
No Name Signal In/Out Logic Function
1 Hsync Hori Sync input for OSD input Active high Hori Sync input for OSD
2 Vsync Vert Sync input for OSD input Active high Vert Sync input for OSD
3 PA5 KEY scan 4 in-out -
4 PA4 KEY scan 3 in-out -
5 PA3 KEY scan 2 in-out -
6 PA2 KEY scan 1 in-out -
7 PA1 Lamp Detect input Active high Lamp status detect
8 PA0 PWR2 output Active high Ballast on/off control
9 PB7 Temp Detect input Active low Set Inside T em perature Det.
10 PB6 Fan Detect input Active low Cooling Fan Status Detect
11 PB5 SDA 0 in/out - IIC Bus Data 0
12 PB4 SCL 0 output - IIC Bus Clock 0
13 PB3 SDA 1 in/out - IIC Bus Data 1
14 PB2 SCL 1 output - IIC Bus Clock 1
15 PB1 SDA2
output
- IIC Bus Data 2
16 PB0 SCL2
in/out
- IIC Bus Clock 2
17 PC7 N.C output N.C
18 PC6 N.C output N.C
19 PC5 N.C output N.C
20 PC4 S-LCD Controller ENA output Active high LCD Controller Enable
21 PC3 IRQ1 Input Active high N.C
22 PC2 IRQ2 Input Active high Caption IC Enable
23 PC1 S-CLK output Active high Serial Bus Clock
24 PC0 S-DATA output Active high
high
Serial Bus Data
25 PD7 N.C GND
26 PD6 IR-IN input Active low Remocon Signal Input
27 PD5 VGA- input Active low
28 PD4 H-Sync Input input Active low H-Sync input
H-Sync input
29 PD3 VGA-V-DET input Active V-Sync Detect
30 PD2 Audio SW 0 output - Main speaker switch
31 PD1 Audio SW 1 output - Wireless headphone switch
32 Vss GND - -
F/RUN
5-8-2 Pin Assignment Specification