Haier LD42U7000, Service Manual

Page: 58 / 59

58
10.3 IR Board
715G6068-R0A-000-0040
VDD
1
GND
2
REXT
3
A0
4
SCL
5
SDA
6
E-PAD
7
U1
NC / ISL29020IROZ-T7
1
2
ZD2
NC / MLVG0402
1
2
ZD4
NC / MLVG0402
R203
NC / 510K 1%
C1
NC / 10NF 50V
1 2
3
D1
+3.3V_Standby
R1
NC / 10K 1/16W 5%
R2
NC / 10K 1/16W 5%
+3.3V_Standby
SCL
+3.3V_Standby
SDA
OEM MODEL Size
Rev
Date
Sheet of
TPV MODEL
PCB NAME
称 爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
A
A
2 2
<
称爹
>
IR BOARD
C2
10UF 6.3V
C3
22UF 6.3V
1
2
3
4
6
5
CN1
CONN
R13 0R05 1/10W
SCL
SDA
+3.3V_Standby
1
2
3
4
5
6
7
CN2
CONN
1
2
3
4
CN3
CONN
IR-in
LEDR
LEDB
LED-B
LED-B
+5V_Standby
Q1
NC /2N7002
Q2
NC /2N7002
GND
1
VCC
2
Vout
3
GND
4
U2
V838M3/TR1
IR-in
R3
100R 1/16W 5%
+5V_Standby
C202
2.2uF 10V