![background image](http://html1.mh-extra.com/html/haier/lv1913/lv1913_service-manual_3969090025.webp)
1
2
3
4
5
6
A
B
C
D
6
5
4
3
2
1
D
C
B
A
TU_SCK
TU_SDA
IF_AGC
SIF
FAIL
LOCK
Demodulator
RF_AGC
R5
IF_AGC
P5
DEMOD_LOCK
T15
DEMOD_FAIL
N1
SIF_IN
P2
IFE_AIN_N
R1
IFE_AIN_P
R2
PARAM[0]
R4
PARAM[1]
W1
SIF_TRM
N2
PARAM[2]
D13
I2C_TNR_CLK
T6
I2C_TNR_DAT
T5
IFE_VDD1V8
R3
IFE_GND1
N4
IFE_GND2
P3
MPEG_FAIL
R18
Status_2
B19
U1A
ZR39760
C206
0.1uF-0603-Y5V-+80%-20%-50V
R245
2Kohm-0603-±1%-1/10W
C208
0.01uF-0603-X7R-±10%-50V
R246
10Kohm-0603-±5%-1/10W
C205
47pF-0603-NPO-±5%-50V
R244
47ohm-0603-±5%-1/10W
L11
GZ1608D121T(F)
VCC1_8
VCC3_3
L13
SDCL1608CR22JT(F)
C234
15pF-0603-NPO-±5%-50V
C235
15pF-0603-NPO-±5%-50V
R238
680ohm-0603-±5%-1/10W
C233
27pF/56pF-0603-NPO-±5%-50V
C231
0.01uF-0603-X7R-±10%-50V
C232
0.01uF-0603-X7R-±10%-50V
C204
0.1uF-0603-Y5V-+80%-20%-50V
靠
760
SIF
IF_5V
TU_5V
+
E43
22
0uF
-16
V
-±
2
0
%
-6
*7
-
10
5
℃
+5V
E29
1000uF-10V ESR
IF_5V
TU_5V
DIF2
DIF1
R281
NC/1Kohm-0603-±5%-1/10W
R278
NC/1Kohm-0603-±5%-1/10W
R240
10Kohm-0603-±5%-1/10W
R239
10Kohm-0603-±5%-1/10W
IF +
5
V
13
AF
/M
P
X
14
GND1
15
GND2
16
NC
1
ANT +5V
2
AS
TU
9
IF
AGC
6
SD
A
5
DI
F
7
TU +5V
3
AS
I
F
10
SIF
11
CV
BS
12
SCL
4
DI
F
8
GND3
17
GND4
18
T1
FQD1236E/FH-5
C237
47pF-0603-NPO-±5%-50V
C238
47pF-0603-NPO-±5%-50V
R241
470ohm-0603-±5%-1/10W
R242
470ohm-0603-±5%-1/10W
TU_CVBS
C182
0.1uF-0603-Y5V-+80%-20%-50V
R309
75ohm-0603-±5%-1/10W
TU_SDA
TU_SCK
IF_AGC
C63
NC/10pF-0603-Y5V-+80%-20%-50V
L15
CH8010U-470K-037-G
TU_SDA'
TU_SCK'
SIF'
C51
0.1uF
-0603-
Y5V-
+80%-
20%-
5
0V
L14
EC0410-101K-R-L-F
E28
470uF-16V-±20%-8*9
-
105
℃
C20
0.1uF-0603-Y5V-+80%-20%-50V
+5V
C53
0.1uF-0603-Y5V-+80%-20%-50V
C244
NC/47pF-0603-NPO-±5%-50V
SIF'
IF_AGC
TU_CVBS
R262
NC/470ohm-0603-±5%-1/10W
E22
NC/47uF-16V-±20%-4*7-105
℃
R217
NC/10Kohm-0603-±5%-1/10W
C240
0.1uF-0603-Y5V-+80%-20%-50V
NC#1
1
AGC_INT
18
+5V
2
AS
16
SDA
15
SCL
14
IF_OUT2
20
+5V
8
GND
12
VIDEO_OUT
4
NC
11
SIF
3
GND
22
GND
23
IF_OUT1
21
GND
13
NC
5
AFT
6
Analog IF AGC
7
NC
17
NC
19
T2
NC/TDQU4-507A
R261
NC/0ohm-0603-±5%-1/10W
R144
NC/10Kohm-0603-±5%-1/10W
R251
NC/22K
IF_5V
Q16
NC/PMBT3904
TU_SDA'
TU_SCK'
IF_5V
TU_5V
R267
NC/1K
VCC3_3
E13
NC/47uF/16V
当用
ALPS
高频头时
C233
改为
56PF,
取消
R238 R234 R235
R269
0ohm-0603-±5%-1/10W
R268
0ohm-0603-±5%-1/10W
DIF2
DIF1
C252
10uF-0805-Y5V-+80%-20%-10V
焊
ALPS
高频头时
C244,R281
焊
0
欧电阻到地
R329
NC/100Kohm-0603-±5%-1/10W
Summary of Contents for LV1913
Page 1: ...LV1913 ...