Hitachi CDH-LE32FD14, Руководство по обслуживанию

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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
IF_AGC_DM
T_IF-AGC IF_AGC T_IF-AGC IF_AGC_DM
SCL-T
SDA-T
IF_AGC
IF-IN-
IF-IN+ IP
IM
IF
-IN-
IF
-IN+
T_I
F
A
G
C
T_RESET_SW
SDA-T
SCL-T
T_RESET
T_RESET
IF-IN-
T_IF-AGC
IF-IN+
SCL-T
SDA-T
T_RESET
T_IFAGC T_IF-AGC
ATT-1
ATT-2
ATT-1
ATT-2
V_Tuner V_Tuner
TUNER_1.8V
+5V_Normal
TUNER_1.8V
TUNER_1.8V
TUNER_VCC3.3V
TUNER_VCC3.3V
TUNER_VCC3.3V
TUNER_1.8V
V_Tuner TUNER_VCC3.3V
TUNER_VCC3.3V
IF-AGC-SEL 3
IF_AGC_T 3
T_SDA 3
T_SCL 3
IF_AGC_DM 15
IM
IP
T_RESET_SW
Title
Size Document Number Rev
Date: Sheet of
Tuner
1.0
MSD1326
Custom
11 16 Monday, November 19, 2012
Title
Size Document Number Rev
Date: Sheet of
Tuner
1.0
MSD1326
Custom
11 16 Monday, November 19, 2012
Title
Size Document Number Rev
Date: Sheet of
Tuner
1.0
MSD1326
Custom
11 16 Monday, November 19, 2012
Close to Tuner
R1
R2
R1(Large) >>>>>>> R2(Small)
R3
R3,R4 must use a large value,
Or the circuit will have affect to the IF-AGC signal.
R4
Close to SoC
Close to Tuner
IF AGC Switch I2C INTERFACE FOR TUNER AGC RC Filter
TUNER POWER
LOW IF BPF
150mA
Cable
Air
NOTE: RF input select through I2C command
ONBOARD SILICON TUNER
Skyworth
SILICON (IN-CAN) TUNER
Close to Tuner
NOTE: Seperate Pin 40 & 39
R814 820R R814 820R
Q802
3906 Q802
3906
J1 J1
1
2 3 4 5
C117 100nF C117 100nF
C216 180pF C216 180pF
R28 0R R28 0R
R807
100K R807
100K
C150
100nF C150
100nF
C109 33pF C109 33pF
1 2
R10
100
R10
100
C94 10PF/NC C94 10PF/NC
C822 NC/100pF C822 NC/100pF
R803
100K
R803
100K
C217 390pF C217 390pF
R805
100K
R805
100K
R804
1K R804
1K
C135
470pF
C135
470pF
C108
1uF
C108
1uF
ESD1
EGA10603V05A1-B/0603
ESD1
EGA10603V05A1-B/0603
C206 390pF C206 390pF
C98 10PF/NC C98 10PF/NC
R808
10K
R808
10K
C821 0.1uF C821 0.1uF
R812 100R R812 100R
C106
100nF
C106
100nF
D200
HSMP-381B D200
HSMP-381B
C83
0.1uF
C83
0.1uF
R813 1K R813 1K
R810 100R R810 100R
C153
0.1uF
C153
0.1uF
C89
100nF
C89
100nF
C177
2.2nF C177
2.2nF
C88
100nF
C88
100nF
J2 J2
1
2 3 4 5
U107
CTC707
U107
CTC707
AC GND
1
IN1
2
GND
3
GND
4
GND
5
GND
6
AC GND
7
IN2
8
GND
9
VDDV
10
VDDP1
11
VDDA
12
Vagc
13
VIF
_
P
14
VDDA_DAC
15
VIF
_
N
16
G
NDC
17
VDDC
18
GPIO1
19
Tes
tMode
20
GPIO2
21
VDDX
22
X2
23
GND
24
X1
25
ExtRef
26
VDD
27
SCL
28
SDA
29
VSS
30
Res
e
t
31
VDD3
32
V145
33
NC
34
G
NDA
35
Rex
t
36
VDDA
37
G
NDS
38
VDDS
39
VDDS
40
PAD_GND
41
R811 100R R811 100R
C97 10PF/NC C97 10PF/NC
Q801
3906 Q801
3906
C818 0.1uF C818 0.1uF
C149
100nF C149
100nF
C95 10PF/NC C95 10PF/NC
C152 100nF C152 100nF
Q805
3904 Q805
3904
C823 NC/100pF C823 NC/100pF
ESD2
EGA10603V05A1-B/0603
ESD2
EGA10603V05A1-B/0603
C93
100nF
C93
100nF
R40 0R R40 0R
ADJ OU
T
IN
U205 AMS1117-1.8
ADJ OU
T
IN
U205 AMS1117-1.8
3 2 1
4
C160 180pF C160 180pF
C151
100nF C151
100nF
L3
330nH L3
330nH
1
2
C1
100nF
C1
100nF
L1
330nH L1
330nH
1
2
R802
10K R802
10K
NUTune:FI2811/12
P12 NC / VA4N1BC1201
NUTune:FI2811/12
P12 NC / VA4N1BC1201
SW
2
+IF
7
SCL
10
VCC1
3
NC
9
IF_AGC
5
Ant Pwr
1
NC
4
NC
8
GND
12
GND
13
GND
14
-IF
6
GND
15
SDA
11
C147
2.2uF
C147
2.2uF
C14
NC C14
NC
R815 820R R815 820R
C802
0.1uF C802
0.1uF
C99
100nF
C99
100nF
C183
100nF C183
100nF
C30
10uF
C30
10uF
C171
2.2nF C171
2.2nF
R27
4.99K R27
4.99K
C172
100nF C172
100nF
C31 33pF C31 33pF
1 2
Y3
31.875MHz Y3
31.875MHz
C801
0.1uF C801
0.1uF
Q804
3904 Q804
3904
D199
HSMP-381B D199
HSMP-381B