Service manual

8 7 6 5 4 3 2 1
A
B
C D
1
2345678
D
C
B A
C51 0.1u
C52
0.1u
C54 10u
1 2 3 4
+5V
CN1
5 IRTX
IRDA ASK GND
+5V
ASK
R67
3.3K
C50 0.1u
R70
11
5 6
7
8 4
IC1B
GL393
C49
20P
R65 62K
R69
100
Q1
1
2
6
R57 39K
R68
100
R59 6.2K
R61 10K
R56
10K
PD1
PD401I
UMAXQ501
3
4
5
C46
100P
R58 36K
R60
4.3K
C47 1000P
R62 10K
R66 33K
R63 39K
C48 2200P
R64 820
R67 3.3K
R71 15(1/2W)
LED1 SIR320ST3N
IRTX
Q2
C4405
1
2
3
LED2 SIR320ST3N
R72
1K
3
4 5
R54 33K
R55 22K
Q2
1
2
6
R51
100K
C44
0.01u
R53 56K
3 2
1
8 4
IC1A GL393
C61 20P
IRDA/REMOCON
R52 1.8K
UMAXQ501
C45
0.1u
(CN1-2)
9600~56.7KBPS
(CN1-5)
(CN1-3)
2400~115.2KBPS
Infra-red Data Association
7. IR PWB unit circuit diagram
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