Haier L37V6-A8K Service Manual page 42

Keypad
7 ADC_IN1
7 ADC_IN2
+3.3V_LBADC
+5V_5221
7,8 IR_IN
R13
10K_NC
LBADC_GND
1 2
3.3V_AVDD
FB3
R393 0R
R397 0R/OP
R394 4.7K
7 LED
MMBT3904
TJC3-9A
MOLEX 53261-1000
1
2
3
4
5
6
7
8
9
C5
CN2
220pF
+3.3V_LBADC
C7
C8
100nF
22uF
10V
1 Q19
+5V_5221
BAV99L/OP
R350
3 10K/OP
R352
0R
D21
2
7 MCSCL_EE
S
+5V_5221
BAV99L/OP
R353
3 10K/OP
R355
0R
D22
2
7 MCSDA_EE
S
7 WP
7 MCSCL_EE
7 MCSDA_EE
Title
Size
A
- 42 -
Date:
R351
10K/OP
3
D MCSCL 1,7,8,9,11
Q17
2N7002/OP
R354
10K/OP
3
D MCSDA 1,7,8,9,11
Q18
2N7002/OP
NV RAM
+5V_5221
INTERFACE
R14 R16 R17 C6
10K/NC
10K 10K 100nF
U2
8
VCC
7
WP
R18 100 6
SCK
5
SI
R19 100
24LC16
R15
C337 C338
0R
47pF 47pF
RS LCD TV
Document Number
Keypad Jtag IR
Saturday, February 05, 2005 Sheet
1
A0
2
A1
3
A2
4
VSS
Rev
V0.1
2 of 12