1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
D
D
C
C
B
B
A
A
RT14 RT15
RT16
RT17
TUNER_SDA
TUNER_SCL
CT21
CT22
GND
GND
LT10
VDD_3P3_1
1
LNA_INP
2
LNA_INN
3
VDD_1P8_1
4
AGC_2/GPO3
5
AGC_1
6
IF
_O
U
T
N
_2
/G
P
O
_1
7
IF
_O
U
T
P
_2
/G
P
O
_2
8
IF
_O
U
T
N
_1
9
IF
_O
U
T
P
_1
10
V
D
D
_3
P
3_
2
11
V
D
D
_1
P
8_
2
12
VDD_1P2
13
GND_DIG
14
V
D
D
_1
P
8_
3
22
G
N
D
_X
T
A
L
21
X
T
A
L
_P
20
X
T
A
L
_N
19
CLK_OUT
18
SDA
17
SCL
16
VDD_IO
15
A
S
24
R
E
S
E
T
_N
23
P
A
D
G
N
D
25
UT2
3V3_Tun
1.8VRF
IF
N
IF
P
CT15
3V3_Tun
1.8VRF
CT12
3V3_Tun
CT6
GND
GND
CT4
1.8VRF
GND
CT8
LT3
LT6
CT9
CT11
GND
3V3_Tun
RT1
GND
GND
CT2
RF_INPUT
CT10
CT16
GND
GND
LT1
IFP
IFN
CT25
TUNER_SCL
TUNER_SDA
TDA_IF_AGC
CT3
CT13
CT24
GND
LT9
GND
RF_A
ESD2
CT5
CT33
CT34
YT1
RT2
RT18
CT14
CT7
GND
GND
TDA_IF_AGC
GND
3V3_Tun
3V3_Tun
IF_AGC_IC
TUN_SDA_I C
TUN_SCL_I C
3V3_M
LT12
GND
CT19
GND
VIFM_IC
VIFP_IC
GND
CT17
CT18
GND
GND
LTT1
LT5
CT20
CT23
GND
LT7
LT8
CT27
CT32
RT3
RT4
CT29
CT26
GND
GND
CT1
C78
GND
RF_D
G
N
D
1
R
F
1
2
G
N
D
3
GND
4
RFC
5
GND
6
G
N
D
7
R
F
2
8
G
N
D
9
C2
10
C1
11
VCC
12
EPAD
UT1
GND
GND
GND
GND
RF_SW
3V3_Tun
CT72
CT71
RF_A
RT5
RF_D
DT2
GND
CT30
LT11
GND
DT3
GND
CT38
LT15
GND
CT37
LT13
RF_INPUT
RT6
RT7
RT8
CT28
1
2
3
4
5
RF
GND
GND
GND
GND
RFT1
1
2
3
4
5
RF
GND
GND
GND
GND
RFT2
GND
RF_SW
RF_SW_IC
RT9
GND
ESD1
GND
CT31
Summary of Contents for 32D1281
Page 27: ...1 No power No power LED RC or Key can not turn on TV Power LED no light no change...
Page 28: ...2 No Display Black Panel Back light is OK sound is OK but no picture...
Page 29: ...3 No back light Power LED logic OK sound OK but no picture Different from No Display...
Page 30: ...4 No sound One or all signal source without sound...
Page 31: ...5 Signal source no function One or several source no function...
