AOC LE19A1333/30 Service Manual page 38

Keyboard and LED
+3.3V_Standby
Q423
AO3401
TP218
TP220
LED-R
LED-Red
C441 Q421 R483 0.05R
NC/BC847C R4014 R4015
1NF 50V 1.2K 1/16W NC/10K
TP219
+3.3V_Standby
Light LOGO
Q422
NC/3401
TP221
TP222
LED-B
LED-Blue
C440 Q420
BC847C R4011 R4012 R484
1NF 50V 1.2K 1/16W NC/10K 0.05R
TP223
+3.3V_Standby
TP225
KEY _ADC1
R459/R460 Close to U401
CN401 ZD402 C442
CONN NC/MLVG0402 100N 16V
10
9
8
TP226
7
6
POWER
5
4
IRRX1 IRIN
3
2 LED-B R464
LED-R
1 100OHM
TP227
ZD403
NC/MLVG0402 C446
1NF 50V
UART for HOTEL Mode
+5V_Standby
+3.3V_Standby
R465
NC/10K 1/16W 5%
R467 NC
TP228
Q406 TP229
NC/2N7002K
IRIN 1
R468 Q407
NC/100R 1/16W 5% NC/2N3906S-RTK/PS
UART-RX
R469 NC/100R 1/16W 5%
UART-TX R470 NC/100R 1/16W 5%
ZD405
ZD404
NC/MLVG0402
NC/MLVG0402
LED-Red 5
LED-Blue 5
3 4
1 2
SW1 NC SW
ZD401
R459
100K 1% NC/MLVG0402 Close to SW1
R460
100OHM KEY 1-SAR1
+3.3V_Standby
1 2
FB409
120R/3000mA
C443 C445
1uF 10V 1NF 50V
+5V_Standby
R466 TH401
t
TP230
NC/10K 1/16W 5% NC 0R4
C447
NC/100nF
CN118
TP231 TP232
1
2
3
4
5
NC/ CONN
TP233
ZD406 ZD407
NC/MLVG0402 NC/MLVG0402
PC AUDIO IN
TP234
R1061
NC/0R05 OHM
R1060
TP235
NC 0R05 OHM
CN102
4
3
IR_OUT
2
1
PHONE JACK
TP236
ZD1022 ZD1023
NC/VPORT0603100KV05 NC/VPORT0603100KV05
VGA_L_IN R120 12K 1/16W
VGA_R_IN
R121 12K 1/16W
C118
470pF 50V 470pF 50V
Placement Near
connect.
Shared with hotel mode
IR bupass
NC the cable disable
IR_SW_IN:H disable
IR_SW_IN:L enable
+3.3V_Standby
R1137
NC/10K
R1138
NC 10K 1/16W 5%
IR_OUT
IR_IN_2
TP247
Q1006 R1139
TP246
NC/MMBT3904 NC/1K
TP248 Q1005
R4085
NC/2N7002K
NC/0.05R
R1140
TP245 NC/100R 1/16W 5%
IRRX1
To IR board connector
1
T P V ( Top
絬 隔 瓜絪 腹
Key Component
Date
38
From Main Chip
5 KEY 1-SAR1
IR_IN_2
TP237
5 IRIN
IR_SW_IN
TP238
VGA_L_IN
5,7 UART-TX
VGA_R_IN
5,7 UART-RX
R153
R154 100K
100K
ZD1024
NC/VPORT0603100KV05
TP239
C115 VGA-AUL1
VGA-AUL1
TP240
2.2uF 10V
VGA-AUR1
C116
VGA-AUR1
2.2uF 10V
C Placement
C119
R123 R124
Near IC
10K 10K
+3.3V_Standby
R1135
NC/10K
R1134
NC/33K 1/16W
IR_DET_SW
R1144
IR_SW_IN
NC 22K 1/16W Q1004
NC/MMBT3904
R1136
TP242
NC 22K 1/16W
FB1015
TP243
NC/60 OHM
3V3_SW
1
C1118 C1119
NC/100N 16V NC/10UF 10V
U407
NC TS5A3157DCKRE4
IR_DET_SW
1 6
NO IN
2 5
GND V+
3 4
NC COM
R1142 NC/0.05R
TP244
IRIN
IRIN
To scaler IR pin
When Hotel TV NC
Victory Electronics Co . , Ltd. ) OEM MODEL
TPV MODEL
09. Keypad/IR PCB NAME
Thursday , December 06, 2012 Sheet 9 of 13
KEY 1-SAR1
IRIN
UART-TX
UART-RX
5
5
TP241
+3.3V_Standby
2
5
A3
Size
Rev A
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