Keypad/Ir - Philips 32PFL3008/98 Service Manual

Circuit Diagrams and PWB Layouts
10-3-9

Keypad/IR

Keypad/IR
B09
CN401
1
LED-R
2
LED-G
3
IRRX1 POWER_KEY
4
KEY_ADC1
5 POWER LED-G
6
LED-R
7
8
KEY_ADC1 IRRX1
9
POWER_KEY POWER
10
CONN C443
1UF16V
DGND
DGND
+3.3V_Standby
R467
Q406
IRIN
2N7002 R468
100R 1/16W 5%
UART-RX
R469 100R 1/16W 5%
UART-TX
R470 100R 1/16W 5%
ZD404
MLVG0402
TPS10.1A LA 10.
+3.3V_Standby
+3.3V_Standby
FB409
120R
C440 C441
1N 50V 1N 50V
C445 C446
1N 50V 1N 50V ZD402
MLVG0402
ZD403
MLVG0402
DGND
+5V_Standby +5V_Standby
R465 R466
10K 1/16W 5% 10K 1/16W 5%
t
NC 100R 1/16W 5%
Q407
C447
1
100nF 50V
2N3906S-RTK/PS
AGND DGND
ZD405 ZD406
MLVG0402
MLVG0402
DGND DGND DGND
EN 55
+3.3V_Standby
R456 R457
4K7 1/16W 1% 4K7 1/16W 1%
R458
100OHM KEY0-SAR0
KEY1-SAR1
R460
100OHM
C442 C444
100NF 16V 100NF 16V
ZD401
MLVG0402
DGND
R464
IRIN
100OHM
TH401
0R4
CN404
CONN
1
2
3
4
5
ZD407
MLVG0402
DGND DGND
back to
2013-Aug-30
div.table
KEY0-SAR0
2 KEY0-SAR0
KEY1-SAR1
2 KEY1-SAR1
IRIN
2 IRIN
LEDG
2 LEDG
LEDR
2 LEDR
+3.3V_Standby
R461 R459 LEDG
200OHM1/16W 4.7K
Q404 R474
MMBT3906 3.3K
R476
R462 NC/0R05 OHM
200OHM1/16W
LEDR
Q405 R463
MMBT3906 4.7K
R475
NC/3.3K
R477
NC/0R05 OHM
2,4 UART-TX
2,4 UART-RX
CN405
1
LED-R
2 LED-G
3
NC CONN
DGND
DGND
Keypad/IR
B09
+3.3V_Standby
+3.3V_Standby
A 2012-09-24
715G5740
19450_516_130110.eps
130110