10.
Circuit Diagrams and PWB Layouts
10-6-9
Keypad/IR
19660_519.eps
Keypad/IR
B09
B09
2013-07-03
C
715G6359
Keypad/IR
IRIN
KEY0-SAR0
KEY1-SAR1
LEDG
LEDR
POWER_KEY
LED-G
KEY1-SAR1
KEY_ADC1
LED-R
LED-R
LED-G
KEY_ADC1
POWER_KEY
IRIN
KEY0-SAR0
IRRX1
IRRX1
POWER
POWER
LEDG
LEDR
IRIN
UART-TX
UART-RX
DGND
DGND
+3.3V_Standby
+3.3V_Standby
DGND
+3.3V_Standby
+3.3V_Standby
+3.3V_Standby
+3.3V_Standby
DGND
DGND
DGND
DGND
DGND
DGND
DGND
+3.3V_Standby
DGND
+5V_Standby
AGND
+5V_Standby
DGND
KEY0-SAR0
2
KEY1-SAR1
2
IRIN
2
LEDG
12
LEDR
12
UART-TX
2,4
UART-RX
2,4
From Main Chip
R460
100OHM
R460
100OHM
1
2
ZD406
MLVG0402
ZD406
MLVG0402
1
2
t
TH401
0R4
t
TH401
0R4
1
2
ZD403
MLVG0402
ZD403
MLVG0402
R458
100OHM
R458
100OHM
1
2
3
Q408
2N3906S-RTK/PS
Q408
2N3906S-RTK/PS
C446
1N 50V
C446
1N 50V
R457
4K7 1/16W 1%
R457
4K7 1/16W 1%
1
2
ZD408
NC/ZMM5V6
ZD408
NC/ZMM5V6
R480
100R 1/16W 5%
R480
100R 1/16W 5%
1
2
FB409
FB409
C445
1N 50V
C445
1N 50V
R479
3.3K
R479
3.3K
R475
NC/3.3K
R475
NC/3.3K
1
2
3
4
5
6
7
CN405
CONN
CN405
CONN
R456
4K7 1/16W 1%
R456
4K7 1/16W 1%
R477
NC/0R05 OHM
R477
NC/0R05 OHM
R481
100R 1/16W 5%
R481
100R 1/16W 5%
Q404
MMBT3906
Q404
MMBT3906
1
2
3
4
5
6
7
8
9
10
CN401
CONN
CN401
CONN
1
2
ZD405
MLVG0402
ZD405
MLVG0402
R446
10K
R446
10K
R459
4.7K
R459
4.7K
1
2
ZD401
MLVG0402
ZD401
MLVG0402
R444
NC/10K
R444
NC/10K
C441
1N 50V
C441
1N 50V
C440
1N 50V
C440
1N 50V
R476
NC/0R05 OHM
R476
NC/0R05 OHM
R482
10K 1/16W 5%
R482
10K 1/16W 5%
R464
100OHM
R464
100OHM
1
2
ZD402
MLVG0402
ZD402
MLVG0402
Q409
2N7002
Q409
2N7002
R462
200OHM1/16W
R462
200OHM1/16W
1
2
ZD404
MLVG0402
ZD404
MLVG0402
Q405
MMBT3906
Q405
MMBT3906
1
2
ZD407
MLVG0402
ZD407
MLVG0402
R468
10K 1/16W 5%
R468
10K 1/16W 5%
C447
100nF 50V
C447
100nF 50V
C442
100NF 16V
C442
100NF 16V
R461
200OHM1/16W
R461
200OHM1/16W
R469
NC 100R 1/16W 5%
R469
NC 100R 1/16W 5%
C444
100NF 16V
C444
100NF 16V
R463
4.7K
R463
4.7K
R470
100R 1/16W 5%
R470
100R 1/16W 5%