Jog Function Control - Samsung UN J5500AF Series Service Manual

4-2-4. Jog Function Control

Jog Function Control Operation
„
Press Left
Major check points
1. Check Jog Shuttle STBY Voltages (All at
2. Check Jog Shuttle 5 SW Operation (Key 1 & Key 2) for each command change.
3. Check LED Indicator for STBY operation. (Check
Right Up
3.3 V except LED).
1.8 V
Pin Action
1 IR Gnd
2
3 left
3 Right
3 Up
3 Down
4 Press
5
6
7
8
9 IR
Down
Supply from Main Board.)
Signal
LED
Key 2
Key 2
Key 2
Key 2
Key 1
SDA
SCL
STBY
GND
IR
4. Troubleshooting
DC Voltage
No connection
1.8V ( in STBY)
3.3V DC to 1.6V DC
3.3V DC to 2.5V DC
3.3V DC to 0.0V DC
3.3V
DC to 0.8V DC
3.3V DC to 0.0V DC
3.3V
3.3V
3.3V
3.3V to 2.5V DC
With Commands
4-9