A
B
C
D
E
1
2
3
4
5
6
7
DP-U50
50
REMOTE CONTROL TRANSMITTER
■
SCHEMATIC DIAGRAM
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
KI0
KI1
KI2
KI3
REM
VDD
SEL
OSC0
OSC1
VSS
CCS
KI/O0
KI/O1
KI/O2
KI/O3
KI/O4
KI/O5
KI/O6
KI/O7
LMP
U1 :
PT2221–001
X1
455kHz
C2 200P
C3 200P
C1 47
µ
F/16V
B1 3V
R1 1
Ω
Q1
2SD1781K
IR1
IR-LED
VCC
SW2
SW3
SW4
SW7
SW8
SW14
SW15
SW16
SW18
SW19
SW20
SW22
SW23
SW30
SW31
SW32
SW5
SW17
SW21
SW29
A
B
C
TEST
MOVIE
LIVE
VDD
D5
D6
HALL
JAZZ
CHURCH
GAME
VOL+
VOL–
MUTE
AUX2
USB
ON/OFF
POWER
PC
AUX1
D4
D3
D2
D1
D1~D6 : IN414S
CUSTOM CODE
HEX
7B
DATA CODE
O/I
USB
PC
AUX-1
AUX-2
WALL
JAZZ
CHURCH
GAME
MOVIE
LIVE
VDD
TEST
ON/OFF
A
B
C
MUTE
VOLUME –
HEX
01
06
02
03
04
10
11
12
13
14
15
16
1F
07
1C
1D
1E
0F
0E
0D