Alpine PKG-1000 - IR Board Schematic Diagram

1 2 3 4 5 6
A
B
C
D
6
54321
D
C
B
A
Title
Number RevisionSize
Orcad C
Date: 29-Jul-2005 Sheet of
File: C:\Documents and Settings\Administrator \
桌面\BA79 59~1.DDBDrawn By:
D6
IR LED
R29
270R (1%)
t
RT2
2K-T
VR1
1K
R13
15.6K (1%)
R10
56K
R21
2.2K
VR3
1K
C8
680P
C6
105
C4
47u/16V
R24
220K
D7
IR LED
C19 222
C26
100uF/16V
R17
56K
D8
IR LED
D4
IR LED
R30
300R (1%)
R37
3K (1%)
t
RT1
2K-T
C15
680P
R8
2.2K
VR2
1K
VR4
1K
C3
100u/16V
VO
3
GND
2
VI
1
U2 7809
R19
11.8K (1%)
D5
IR LED
R36
6.8K (1%)
C25
105
R35
3K3 (1%)
C12 220P
D2
IR LED
R1
47R
VO
3
GND
2
VI
1
U1 78L05
VDD
1
LIN
2
RES
3
VSS
4
RIN
5
RES
6
VSS
7
FO2
8
TC1
9
TR2
10
VDD
11
FO1
12
NC
13
TR1
14
U4
HS2K219(SO14)
C2
104
R7
220K
D1
IR LED
C1
104
C7
222
C18 220P
R5
0R
R14
3R3
D3
IR LED
HIGH=MUTE,LOW=ENABLE
2.3MHz (3.2MHz)
2.8MHz (3.8MHz)
LO : A CHANNEL(2.3MHz,2.8MHz)
HI : B CHANNEL(3.2MHz,3.8MHz)
先調 B channel : R30 調整為 3.2 MHz
R33 調整為 3.8 MHz
B channel 調整後再 調整 A c hannel
A channel : R31 調整 2.3 MHz
R34 調整 2.8 MHz
此區塊請盡量接近 HS2K219
熱敏電阻的溫度與 HS2K219 同步
Q4
C1815
Q3
C1815
IR 1
2
3
IR1
IR_receiver
C28
106
C29
104
+5V
C30
100uF/16V
L1
INDUCTOR
+
C31
100uF/16V
VCC MCU
IR
A-GND
AUDIO CTL
A-GND
IR AUDIO L
IR AUDIO R
A-GND
IR+12V OUT
R38
47R
VCC MCU
AUDIO CTL
IR AUDIO L
IR AUDIO R
IR+12V OUT
1
2
3
4
5
6
7
8
9
10
J1
CON10
C34
105
C32
330P
C33
330P
C35
105
R39
1K
R40
1K
R42
1K
R41
1K
Q5
3906
Q6
3906
R44
22K
R47
3 ohm
R43
15K
C36
680P
C37
104
Q7
2SC4672
R46
22K
R48
3 ohm
R45
15K
C38
680P
C39
104
Q8
2SC4672
+5V
+5V
+5V
+5V
+5V
R49
1K (1%)
R50
680 (1%)
R51
1.5K (1%)
R52
820 (1%)
t
RT4
2K-T
t
RT3
2K-T
+5V
2.3MHz 2.8MHz
3.2MHz 3.8MHz
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
U2
K827
Pin：1、3 - Anode
2
、4 - Cathode
5
、7 - Emitter
6
、8 - Collector
IR BOARD
VERTEX PRECISION ELECTRONICS,INC.