Haier L26B1120b, Service Manual

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5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
T_SDA IF_AGC AIF IF- IF+ T_SCL
T_RF_AGC
RF_AGC
T_RF_AGC
S VIFP_OUT
IFAGC RF_AGC
VIFN_OUT SIFP_OUT-
T_SDA
3.3VCC_T
T_SCL
3.3VCC_TM
IFAGC T_RF_AGC
SSDA SSCL
IFAGC
AIF
IFS1 IFS2
S
IF+ IF-
VIFN_OUT VIFP_OUT
SIFP_OUT- IFS1 IFS2
RF_AGC_SEL
VIFN_OUT VIFP_OUT
IF-5V
5V-Tuner
IF-5V
+5V
+3.3V_SB
3.3VCC_T
Vdd_A1.6V_D
+5V
3.3VCC_T
3.3VCC_T
3.3VCC_T
3.3VCC_T
Vdd_A1.6V_D
3.3VCC_T
3.3VCC_T
1.8VCC
3.3VCC_T
Vdd_A1.6V_D
1.8VCC
Vdd_A1.6V
Vdd_A1.6V
Vdd_A1.6V_D
+8V
5V-Tuner
+12V
+5V_LDO
5V-Tuner
AGND
+8V
+5V
+5V
1.8VCC
+1.8V
IF+
4
IF-
4
TUNER_I2C_SCL
4
TUNER_I2C_SDA
4
DEMOD_IF_AGC
4
VIF_P
4
VIF_M
4
SIF_IN-
4 4
RF_AGC_SEL
4
D_RF_AGC
4
RF AGC Switch
Closed to MstIC
RF Input Port
Vdd_RF_VCO_LO_3V
Put on digital GND plane
301RF V7 MM 301RF V8 302RF V8 Pin 1 R23 0 DNP DNP Pin 1 R24 DNP 0 0
75 ohm Line
LNA GND
Important: Analog GND and digital GND is still separate, but through Paddle GND connecting them, please talk to SYU if anything not understood
Vdd_IO
Close Silicon Tuner
DESIGN:George Guo MODEL: MSAV3207-K3
TITLE: TUNER
CHECKED:
Date: Feb. 3,2010 APPRD:
SHEET: 8 OF 9
VER:1.0
5.19V 116mA (ATV)
Vpp 80mv
Vpp 80mv
For silicon tuner
If use single saw filter(internal), Delete R276,R280 Add R283(0R) Delete Q59 Delete C73
If use single saw filter(internal), Delete these parts of this area
CS30
10nF
CS30
10nF
CS24 18PF CS24 18PF
U12 AMS1084CD-ADJ U12 AMS1084CD-ADJ
VIN
3
VOUT
2
ADJ
1
TAB
4
R139
NC/680R
R139
NC/680R
CS39
100uF/16V
CS39
100uF/16V
RS26 1K RS26 1K
CS1
0.1uF
CS1
0.1uF
RS21
1K
RS21
1K
LS12
120ohm_FB
LS12
120ohm_FB
R276 1K R276 1K
RS4
391R
RS4
391R
CS22 0.1uF CS22 0.1uF
CS27
NC
CS27
NC
RS8 1M RS8 1M
R288 0R R288 0R
+
EC6 470uF/16V
+
EC6 470uF/16V
CS18 82pF CS18 82pF
R141 NC/4.7K R141 NC/4.7K
LS6
120ohm_FB
LS6
120ohm_FB
LS4
33nH
LS4
33nH
CS32
0.1uF
CS32
0.1uF
RS17 100R RS17 100R
SAW
U23
M3953M
SAW
U23
M3953M
ING
2
OUT1
4
GND
3
OUT2
5
IN
1
CS17 0.1uF CS17 0.1uF
C222
0.1uF
C222
0.1uF
CS34
10nF
CS34
10nF
CS6
10nF
CS6
10nF
LS15
120ohm_FB
LS15
120ohm_FB
CS3
0.1uF
CS3
0.1uF
C559 0.1uF C559 0.1uF
C8 0.1uF C8 0.1uF
CS4
1nF
CS4
1nF
C73 10nF C73 10nF
DS1 BAV99 DS1 BAV99
3
1
2
R279 10K R279 10K
R532
47R
R532
47R
B1
GND
B0
A
S VCC
U28
FSA3157P6X
B1
GND
B0
A
S VCC
U28
FSA3157P6X
1 2 3
4 5 6
RS16 100R RS16 100R
CS35
10nF
CS35
10nF
C143 0.1uF C143 0.1uF
FB5
FB56R/1A
FB5
FB56R/1A
CS9 0.1uF CS9 0.1uF
Y2 24.000MHZ Y2 24.000MHZ
1
2 L7 NC/1uH L7 NC/1uH
R437
10K
R437
10K
J1J1
RS20
100R
RS20
100R
CS14 27pF CS14 27pF
RS10
NC
RS10
NC
C139 22nF C139 22nF
+
EC16 470uF/16V
+
EC16 470uF/16V
RS15 4.7K RS15 4.7K
R156
820R
R156
820R
LS11
220nH
LS11
220nH
LS16 220nH LS16 220nH
C71 NC/10uF C71 NC/10uF
RS25 0R RS25 0R
B1
GND
B0
A
S VCC
U29
FSA3157P6X
B1
GND
B0
A
S VCC
U29
FSA3157P6X
1 2 3
4 5 6
R438 10K R438 10K
RS3 10K RS3 10K
CS20 2.2uF CS20 2.2uF
ADJ
OUT
IN
US2 AMS1117-ADJ
ADJ
OUT
IN
US2 AMS1117-ADJ
3
2
1
4
R153
150R
R153
150R
CS28
100uF/16V
CS28
100uF/16V
LS10
120ohm_FB
LS10
120ohm_FB
CS31 39pF CS31 39pF
CS8
4700pF
CS8
4700pF
R216
100R
R216
100R
L3 NC/2.2uH L3 NC/2.2uH
CS10 56pF CS10 56pF
F Conn
JS1
F Conn
JS1
1
3
4
2 5 6
7 8 9 10
C20 0.1uF C20 0.1uF
RS14 4.7K RS14 4.7K
Q58 3904 Q58 3904
J21J21
C84 0.1uF C84 0.1uF
CS29
0.1uF
CS29
0.1uF
R217
100R
R217
100R
C72 NC/15nF C72 NC/15nF
U24
DA58GT-13-E
U24
DA58GT-13-E
NC
1
+5V
2
RF-AGC
3
BT
4
AS
5
SCL
6
SDA
7
B2
8
IF-AGC
9
DIF2
10
DIF1
11
AIF
12
GND
13
GND
14
GND
15
GND
16
J13J13
R278 10K R278 10K
RS13
0R
RS13
0R
LS7 330nH LS7 330nH
RS1
NC/1K
RS1
NC/1K
CS36
0.1uF
CS36
0.1uF
C221
0.1uF
C221
0.1uF
U13 AMS1084CD-ADJ U13 AMS1084CD-ADJ
VIN
3
VOUT
2
ADJ
1
TAB
4
CS23 18PF CS23 18PF
C262
4700pF
C262
4700pF
CS26 2.2uF CS26 2.2uF
RS7
NC
RS7
NC LS8 12nH LS8 12nH
R280 10K R280 10K
LS5
120nH
LS5
120nH
R533
47R
R533
47R
RS24 NC RS24 NC
C150 20pF C150 20pF
C82 10uF C82 10uF
R150
NC/22R
R150
NC/22R
R137 NC/56R R137 NC/56R
RS23
NC
RS23
NC
CS5
0.1uF
CS5
0.1uF
CS33 10nF CS33 10nF
C142 22nF C142 22nF
R157
680R
R157
680R
CS2
2.2uF
CS2
2.2uF
C149 20pF C149 20pF
LS3
3.6nH
LS3
3.6nH
C263
4700pF
C263
4700pF
ADJ
OUT
IN
US1
AMS1117-3.3
ADJ
OUT
IN
US1
AMS1117-3.3
3
2
1
4
Q59 3906 Q59 3906
R151 0R R151 0R
R138
NC/100R
R138
NC/100R
F1
U4
MXL302RF_V8_F1_32
F1
U4
MXL302RF_V8_F1_32
LNA_IN
2
AS
6
IDAC
3
VDD_DNX2
1
VBATT_A3
4
VAGC2
5
VBATT_A5
7
XTAL_N
8
XTAL_ P
9
CLK_ OUT
10
GND_ XTAL
11
VREG_ A_ OUT1
12
VDD_DNX1
31
TF_2
30
TF_3
29
VREG_ A_ OUT2
28
VBATT_A2
27
VAGC1
26
IF_OUTP2
23
VBATT_A1
13
SCL
14
SDA
15
IF_O UTP
25
VDD_IO
16
GND_DIG
17
VREG_D_OUT
18
VREG_D_IN
19
VBATT_A4
20
VDD_REF_SX
21
IF_OUTN2
22
IF_OUTN
24
PADDLE
33
TF_1
32 C214
10nF
C214
10nF
LS9
120ohm_FB
LS9
120ohm_FB
LS2 120ohm_FB LS2 120ohm_FB
RS27 470R RS27 470R
LS1
120ohm_FB
LS1
120ohm_FB
R283 NC/0R R283 NC/0R
RS22
1K
RS22
1K
CS7
4700pF
CS7
4700pF
CS13 39pF CS13 39pF
R282 NC/1K R282 NC/1K
LS14
120ohm_FB
LS14
120ohm_FB
C25 0.1uF C25 0.1uF
C83 0.1uF C83 0.1uF
R140
NC/1.5K
R140
NC/1.5K
CS12
1nF
CS12
1nF
SAW
U22
M9370M SAW
U22
M9370M
ING
2
OUT1
4
GND
3
OUT2
5
IN
1
R290 0R R290 0R
R440
100K
R440
100K
LS13
120ohm_FB
LS13
120ohm_FB
RS19
0R
RS19
0R
+
CS25
100uF/16V
+
CS25
100uF/16V
R154 220R R154 220R
L4 NC/2.2uH L4 NC/2.2uH
C74 10uF C74 10uF
Q12
NC/2SC2216
Q12
NC/2SC2216
3
1
2
RS9
47R
RS9
47R
C220 10nF C220 10nF
CS19 0.1uF CS19 0.1uF
R281 10R R281 10R
CS16 180pF CS16 180pF
R534
100R
R534
100R
RS5
0R
RS5
0R
RS12
NC
RS12
NC
RS2
391R
RS2
391R
RS18
120R
RS18
120R
RS6
1M
RS6
1M
R271
NC/39R
R271
NC/39R