Service manual

5 5
4 4
3 3
2 2
1 1
D D C C B B A A
RF AGC Switch
close together
䴴䖥
MSD309
ᬒ㕂
Q404
䴴䖥
tuner RFAGC
㛮ᬒ㕂
TUNER
157mA
closed to tuner
DVBT
ON
OFF
RF_AGC
VIFM VIFP
IF_TV
IF_TV
#IF_OUT
IF_OUT
IF_AGC
T_SDA
T_SCL
T_RF_AGC
T_RF_AGC
5V_TUNER
3.3VA
5V_T2
5V_TUNER
5V_T1
5V_T1
5V_T2
RF_AGC_SEL 2
RF_AGC 2
VIFM 2 VIFP 2
T_SDA2
T_SCL2
#IF_OUT
2
IF_OUT
2
IF_AGC_T
2
Title Size Document Number Rev Date: Sheet
of
⏅ഇᏖ催ᮄऎफऎ⾥ᡔफक䏃೑䰙ᡔᴃ߯ᮄⷨお䰶Cᑻ4ὐ
TEL:[phone] FAX:[phone]
1.0
TUNER
410Tuesday, November 01, 2011
Title Size Document Number Rev Date: Sheet
of
⏅ഇᏖ催ᮄऎफऎ⾥ᡔफक䏃೑䰙ᡔᴃ߯ᮄⷨお䰶Cᑻ4ὐ
TEL:[phone] FAX:[phone]
1.0
TUNER
410Tuesday, November 01, 2011
Title Size Document Number Rev Date: Sheet
of
⏅ഇᏖ催ᮄऎफऎ⾥ᡔफक䏃೑䰙ᡔᴃ߯ᮄⷨお䰶Cᑻ4ὐ
TEL:[phone] FAX:[phone]
1.0
TUNER
410Tuesday, November 01, 2011
Q404 3906 Q404 3906
1
3 2
FB2 60-0603 FB2 60-0603
C89 0.1uFC89 0.1uF
R422
100K
R422
100K
C107 0.1uF(X7R) C107 0.1uF(X7R)
C245 1u C245 1u
U4
TCL-DT58WT-3RB-E
U4
TCL-DT58WT-3RB-E
Body
15
Body
16
RF_AGC
3
SCL
4
B2
6
SDA
5
DF1
11
IF_AGC
9
DF2
10
AIF
12
Body
14
Body
13
NC
1
B1
2
VTU_TP
7
AS
8
+
EC11
220uF/16V
+
EC11
220uF/16V
+
EC13
220uF/16V
+
EC13
220uF/16V
R400
10K
R400
10K
C87 0.1uFC87 0.1uF
R409
10K
R409
10K
C465 47n C465 47n
SAW
U30 D8602F5
SAW
U30 D8602F5
ING
2
OUT1
4
GND
3
OUT2
5
IN
1
C108 0.1uF(X7R) C108 0.1uF(X7R)
R415
10K
R415
10K
FB3
60-0603
FB3
60-0603
Q403 3904 Q403 3904
1
2 3
R19010R-0603 R19010R-0603
R19110R-0603 R19110R-0603
L42 2.2uHL42 2.2uH
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