Haier LE32B7500 Service Manual page 59

+3.3V_Standby
FB409
CN401
120R/6000mA
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
CONN
C445
1N 50V
DGND
ZD403
NC/MLVG0402
DGND
2,4 UART-RX
2,4 UART-TX
+3.3V_Standby +3.3V_Standby
R456 R457
4K7 1/16W 1% 4K7 1/16W 1%
C442 C444
100NF 16V 100NF 16V
C446
1N 50V ZD402 ZD401
NC/MLVG0402 NC/MLVG0402
DGND
R464
IRIN
100OHM
+5V_Standby
+3.3V_Standby
R482
NC/10K 1/16W 5%
R469 NC 100R 1/16W 5%
Q409
1
IRIN NC/2N7002 R481
NC/100R 1/16W 5% NC/2N3906S-RTK/PS
AGND
UART-RX
R480 NC/100R 1/16W 5%
UART-TX R470 NC/100R 1/16W 5%
ZD404
NC/MLVG0402
DGND DGND
From Main Chip
2 KEY 0-SAR0
2 KEY 1-SAR1
2 IRIN
12 LEDG
12 LEDR
+3.3V_Standby
R458
KEY 0-SAR0
100OHM R461
KEY 1-SAR1
200OHM1/16W
R460 Q404
100OHM MMBT3906
R476
R462 NC/0R05 OHM
200OHM1/16W
Q405
MMBT3906
R477
NC/0R05 OHM
+5V_Standby
R468
TH401
NC/10K 1/16W 5%
t
NC/0R4
Q408
C447
NC/100nF 50V
CN405
DGND
ZD405 ZD406 ZD407
ZD408
NC/MLVG0402 NC/MLVG0402
NC/ZMM5V6
NC/MLVG0402
DGND DGND DGND DGND
T P V ( Top Victory Electronics Co . , Ltd. )
絬 隔 瓜 絪 腹
Key Component
09. Keypad/IR
Wednesday , Nov ember 20, 2013
Date
59
KEY 0-SAR0
KEY 1-SAR1
IRIN
LEDG
LEDR
R444
NC/10K
DGND
LEDG
R459
4K7 1/16W 5%
R479
+3.3V_Standby
3.3K 1/16W
R446
10K 1/16W 5%
DGND
R463 LEDR
4K7 1/16W 5%
R475
+3.3V_Standby
NC/3.3K
NC
1
2
3
4
5
OEM MODEL
TPV MODEL
PCB NAME
Sheet 9 of 12
Size A3
Rev A
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称 爹