LG SN4A - Remote Control

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5. REMOTE CONTROL
FIG 5-1. Input Voltage
11
FIG 5-2. Low Timing
12
Item Measured Spec.
Input Level 3.3 V
IR Receiver Spec:
2.7 ~ 5.5 V
“ Low” Timing 4.4 ms 3.6 ms ~ 5.04 ms
“ High” Timing 4.48 ms 4.08 ms ~ 5.04 ms
FIG 5-3. High Timing
13
13
12
11
IR RECEIVER
REMOCON
DGND
C151
100nF
R199
100
C150
100pF
3.3VA
C152
10uF
D101
Z02W3.9V
1
2
3
RC120
1
GND
2
VCC
3
OUT
4
GND
REMO_TP
IR