Alpine TMX-R2000 - Front Key Board Schematics

5 5
4 4
3 3
2 2
1 1
D D C C B B A A
2.8MHZ
HS2K219 +5V 50mA
3.8MHZ 2.3MHZ
IR TRANSMITTER LED 9V 100mA
3.2MHZ
4-1 IR TRANSMITTER
V0.8 EN2
FRONTKEY BOARD
B
12Friday, July 07, 2006
Title Size Document Number Rev Date: Sheet
of
AUDIO_R
AUDIO_L
IR_ONOFF
IR_FREQ_SEL
AUDIO_L AUDIO_R
IR_FREQ_SEL2
IR_ONOFF2
AUDIO_L 2 AUDIO_R 2
GND_AUDIO
GND_AUDIO
GND_AUDIO
GND_AUDIO
GND_AUDIO
GND_AUDIO
GND_AUDIO
GND_AUDIO
IR5V
GND_AUDIO
MCU3.3V
5V IR5V
GND_AUDIO
GND_AUDIO
GND_AUDIO
3.3V
GND_AUDIO
GND_AUDIO
GND_AUDIO
GND_AUDIO GND_AUDIO
GND_AUDIO
GND_AUDIO
GND_AUDIO
GND_AUDIO
GND_AUDIO
GND_AUDIO
12V
GND_AUDIO
GND_AUDIO GND_AUDIO
GND_AUDIO
GND_AUDIO
D6 IR LED
21
R16 10R
Q7 C5344SFY
1
2 3
R13 10K
VR3 10K
1 2
3
R10 3R3
C9 680pF
U1 HS2K219(SO14)
1 2 3 4 5 6 7 8
9 10 11 12 13 14
VDD LIN RES VSS RIN RES VSS FO2
TC1 TR2
VDD
FO1
NC
TR1
C36
10R
C11 100pF
EC7 NC
C17 100P
R24 10K
R14 NC
R6 47 (1206)
C18 330pF
Q6 C4672
1
2 3
C8 2200pF
TP20
1
C14 2200pF
C16 220pF
R21 680R
R48 18k
D3 IR LED
21
R15 3R3
R26 10K
Q1
2SD1758
1
2 3
D8 IR LED
21
R23 10K
C3 0.1uF
D2 IR LED
21
R22
10K
C2 0.1uF
EC2 100uF/16V
R27 10K
Q11 2N3906
R28 18k
R17 390K
EC3 47uF/16V
C21 220pF
R49 10k
R25 8.2k R19 15k
VR4 10K
1 2
3
C12 680pF
VR1 10K
1 2
3
C15 680pF
Q5
2N3904
1
2 3
C34
0.1uF
C35
0.1uF
R29 10k
C1
0.1uF
R63 22k
VR2 10K
1 2
3
R62
NC
L5
FBM-10-201209-102(0805)
C6 1uF
Q9
2N3904
1
2 3
D7 IR LED
21
C19 1uF
C5 220pF
R7
10K
R12 10K
R9 10K
C13 330pF
Q8 2N3906
R11 56K
R20 56K
Q2
2N3904
1
2 3
C33
0.1uF
C20 1000pF
R4 10K
D5 IR LED
21
C7 1000pF R1
10k
R18 10K
EC4 10uF/16V
R64 470R R65 470R
EC5
47uF/16V
R5 15K
Q10
2N3904
1
2 3
R3
10K
EC1 47uF/16V
D21
12V
C4 220pF
Q3 2N3906
R8 10K
D1 IR LED
21
R2 10K
Q4
2N3904
1
2 3
D4 IR LED
21
TP19
1
L1 FB
C10 680pF
L2 80uH
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