Insignia NS-LCD40HD-09 Service Manual page 37

5
D
VCC5_0_T2 FB3 C25 C27 8
VCC5_TUNER_IN
VCC5_0_T1
1 2 2
150_Ohm_600mA 7
1
VCC5_0_T2 0.1uF 1nF
16
TU_SDA_ph/th R967 4.7K_DNS
15
TU_SCK_ph/th
14
IF_AGC_IN
18
6
19
17
11
5
VCC5_TUNER
300_ohm,700mA
FB18
VCC5_TUNER_IN
C
C562 +
C24
470uF/16V 10uF
TU_SCK_ph/th
TU_SDA_ph/th
I2C
ADDRESS:0xC2/0xC3
B
A
5
4
ALPS TUNER 5V :MAX 225MA
U39
+5V
SIF
3
+5V SIF
Analog IF AGC
TU_CVBS
4
VIDEO_OUT
NC#1
9
AS GND
10
SDA GND
23
SCL GND
22
GND
13
AGC_INT GND
12
AFT GND
IF_P_OUT
20
NC IF_OUT2
IF_N_OUT
21
NC IF_OUT1
NC
NC
TDQU4
C568 0.1uF
R590
3K
U11 DTVS205FL201A_DNS
VCC5_0_T2 VCC5_0_T2
11
5V
C563 C564 SIF
1 14
RF_AGC SIF
1nF
0.1uF
2
NC_PIN2
C565
3
NC(VT TP)
TU_CVBS
15
VIDEO OUT
10uF
R982 0
R585
10K_DNS
7
TP(IF Out)
23
M4
8 22
SCL M3
21
M2
9 20
SDA M1
19
M4
10 18
GND M3
17
M2
16
M1
12
NC_PIN12
13
AFT
IF_P_OUT
4
DIF+
IF_N_OUT
6 5
IF AGC DIF-
IF_AGC_IN
R68 100
I2C1DATA 3
I2C1CLK 3
R69 100
C30 C31
47pF 47pF R71 R72
1K 1K
close to tuner
SIF_VCM
VCC3_3
SIF_VBIAS
0.1uF_25v . SIF_RBIAS
C37
Tuner / Demodulator
4
3
C14
VCC5_0_T2
C570 0.1uF_16v
R593 0.01uF
.
10K
Q31
1
MMBT3904
SIF_OUT
C567
R591
1nF
10K
R592
330R
VCC3_3
C566
R589 0.1uF
22K_DNS
1 Q30 IF_N
MMBT3904_DNS
C515 L3
R588 0R TU_CVBS_OUT 30pF
TU_CVBS_OUT 7
220nH
IF_P
R586 R587
10K_DNS 470R_DNS
VCC3_3
L41 0
R424 0
IF_P
C514 27pF_DNS
C513 27pF_DNS
L40 0
IF_N
R423 0
R422 2K IF_AGC
C22
11
close to tuner 4700pF R77
2K_1%
VCC5_0
C46
0.1uF
IF_VCM
IFE_VBIAS
IF_RBIAS
C42
C43 0.1uF_10v C41
0.1uF_10v 0.1uF_10v
R74 R73
5k1 . . 5k1
. .
.
3
2
R67 47 SIF_IN_N
L1 U1P
.
C15 Demodulator
47pF_16v .
. .
C17
0.1uF_16v
AF5
SIF_AINN
AE5
SIF_AINP
C18 0.1uF_10v
AE4
SIF_VREFN
C19
AF4
SIF_VREFP
0.1uF_16v
L2
AF6
SIF_VDD3P3_0
AE6
SIF_VDD3P3_1
BLM18AG601 C21
C20 .01uF
10uF
SIF_RBIAS
AD6
SIF_RBIAS
SIF_VBIAS
AD5
SIF_VINBIAS
SIF_VCM
AD4
SIF_VCM
Place parts very close to U1.
R70 R425 0 C516 0.01uF
AF2
IF_AINN
R426 0 C517 0.01uF AE2
IF_AINP
1K_1% R427 47pF IF_RBIAS
AD3
IF_RBIAS
IFE_VBIAS
AD2
IF_VINBIAS
R428 47pF IF_VCM
AD1
IF_VCM
C35 0.1uF_10v
AF1
IF_VREFN
C36
AE1
IF_VREFP
0.1uF_10v
L4
AC1
IF_VDD3P3_0
AC2
IF_VDD3P3_1
BLM18AG601 C39
C38 .01uF
10uF
AD10
DEMOD_CLKO DM_PLL_VDD
AF11
MPEG_FAIL
R75 0
AD9
GPIO0 DMOD_RSTn
AC6
SA_DATA
R76 4K7
AE9
VCC3_3
PARAM[0]
AF8
RF_AGC
IF_AGC 4.7k
AF7
IF_AGC
R421
C47 R78
0.01uF 3K
close to U1.
ZR39780_A_6
L5
LI0603G121R
VCC3_3
C40
0.1uF_10v
C49
C50
1.0uF 0.1uF
.
2
1
D
C
AC10
B
A
Title
Matrix / HD780 Ref. Platform
Size Document
C 780_rev_A1.dsn
Sheet Rev
5 of 21 A1
Date: Friday, January 18, 2008
Drawn by: S. Nguyen
1