Haier LTF42M1C Service Manual page 46

3) TUNER
U400B
AA22 AVSS33_DIG
AVSS33_DIG
Y 23 AVDD33_DIG R234
AVDD33_DIG
E24 IF_AGCT 10K 1/10W 5%
IF_AGC
F24 TUNER_SCL1
TUNER_CLK
E25 RF_AGC 1 TP200
RF_AGC
F25 TUNER_SDA1
TUNER_DATA
R25 FAT_IN-
VIN_ATV
T25 FAT_IN+
VIP_ATV
T26 VINDC
VINDC
V22 DVSS25_IFADC
DVSS25_IFADC
U23 AVSS25_IFADC
AVSS25_IFADC
T24 AVSS25_IFADC
AVSS25_IFADC
P25 AVSS25_IFADC C238
AVSS25_REF
V23 DVDD25_IFADC 100N 16V
DVDD25_IFADC
U24 AVDD25_IFADC
AVDD25_IFADC
P26 AVDD25_IFADC
AVDD25_REF
AA24
AF
AB25 MPX0P
SIFP
AB26 MPX0N
SIFN
Y 22 AVSS33_SIF
AVSS33_SIF
W22 AVDD33_SIF
AVDD33_SIF
MT5362-PBGA470
Tuner R235 R231 R225 R236 C245 C227 C226
LG
0R 0R NC NC NC NC NC
TU202
NXP
NC NC 0R 0R 3.3P 100N 100N
TU201
R235 NC/0R05 1/16W
NXP_DIF1_LG NXP_DIF1
R231 NC/0R05 1/16W
NXP_DIF2_LG NXP_DIF2
Close to NXP tuner
TU202
1
NC
2
NC
3
GND
4 +5V_T3
+B
5 RF_AGC_Tuner
RF AGC
6
GND
7 SDA
SDA
8 SCL
SCL
9
MOPLL AS
10 NXP_DIF2_LG
DIF+
11 NXP_DIF1_LG
DIF-
12 IF_AGC_LG
C246
IF AGC
20
TH4
19 13 SIF
TH3 SIF
18 14
TH2 NC
17 15
TH1 Audio NC/100P 50V
16 TUNER_CVBS
Video
NC/TUN-TDTW-S710D
+5V_T2
C215
100N 16V
IF_AGC
C244
47N 16V
FB208
AV25 AV25
1 2 AVDD25_IFADC
120R/500mA
C233 C234 C232
1uF 16V 4.7UF 10V 100N 16V
AVSS25_IFADC SMD/0402
TU201
28
TH4
27
TH3
24
CVBS
23
AS_IF
R227 R228 C246 FB206 22
NC
21
SIF2
20
SIF1
19
+5V IF
18
NC
NC NC 100P NC 17
DIF2
16
DIF1
15
IF_AGC
14
NC
13
SDA
330R 330R NC BEAD 12
SCL
11
AS_TUNER
10
NC
9
GND
8
VT
7
+5V_TUN
6
GND
5
RF_AGC
4
NC
3
GND
2
AntPwr
1
RF_IO
26
TH2
25
TH1
NXP FQD1116ME
AS_TUNER R223
NC/0R05 1/10W 5%
AS_IF R224
NC/0R05 1/10W 5%
R225
0R05 1/10W 5%
R212 NC/100K OHM 1/16W
RF_AGC_Tuner RF_AGC_5362
R209
NC/100K OHM 1/16W
+5V_T +5V_T
FB203 FB204
1 2 +5V_T3 1 2
120R/500mA 120R/500mA
C216 C217 C218
10U 10V 100N 16V 10U 10V
FB209 FB207
AV33
1 2 DVDD25_IFADC 1 2
120R/500mA 120R/500mA
C236 C237 C235 C230
1uF 16V 4.7UF 10V 100N 16V 1uF 16V
DVSS25_IFADC SMD/0402
C245
NXP_DIF1 NXP_DIF2
3.3pF
10N 50V
C204
IF_AGC_LG IF_AGC
R202 4K7 1/10W
TUNER_CVBS
AS_IF
R227 0R05 1/16W NXP_DIF2 DFAT_IN-
R228 330 OHM 1/16W NXP_DIF1
1 2
FB206 120R/500mA +5V_T DFAT_IN+
C226 C227
100N 16V 100N 16V ROUTE SYMMETRICALLY
R205 200R 1/16W 5%
SDA
SCL
AS_TUNER
R206 200R 1/16W 5%
+5V_T3
RF_AGC_Tuner
Near Tuner
R236 SIF R200 MPX0_TUN
0R05 1/10W 5% 0R05 1/10W 5%
C223
NC/15P 50V R201 MPX0_GND
0R05 1/10W 5%
ROUTE SYMMETRICALLY
+5V_T3
+5V_TUNER
+5V_T2
C200
47uF 25V
ATV_CVBS_OUT
TUNER_CVBS
R203
NC/0R05 1/10W 5%
R217
1
10 OHM +-5% 1/10W
R219
75 OHM +-5% 1/10W
46
+5V_T +5V_TUNER
FB201
1 2
220R/2000mA
C201 + C202
100uF 10V
100N 16V
FB200
AV33
AVDD33_DIG 1 2 AVDD33_SIF
120R/500mA
C231 C229 C213 C214 C212
4.7UF 10V 100N 16V 1uF 16V 4.7UF 10V 100N 16V
AVSS33_DIG SMD/0402 AVSS33_SIF SMD/0402
1,2,4,5,6,7,8,9,10,11,12,13,14
SMD/0402
NXP_DIF1 R230 0R05 1/16W DFAT_IN+
NXP_DIF2 R232 0R05 1/16W DFAT_IN-
SMD/0402
+5V_T
C242 FAT_IN+
10N 16V
C243 FAT_IN- R207 R211
10N 16V
4K7 1/10W 4K7 1/10W
TUNER_SDA1
TUNER_SCL1
C224 C225
100P 50V 100P 50V
NEAR 5362
C207 MPX0P
10N 16V
SMD/0402
C208 MPX0N
10N 16V
SMD/0402
ATV_CVBS_OUT
+5V_TUNER
C209 100N 16V
Close to
Q201
Tuner
MMBT3904
R221
AVCVBS0
75 OHM +-5% 1/10W
C211
R222 47PF 50V
75 OHM +-5% 1/10W
R210
0R05 1/10W 5%
AV33
2,5,10,11,12,13,14 AV33
+5V_TUNER
2 +5V_TUNER
AV25
2 AV25
+5V_MUX
9 +5V_MUX
GND
1,2,4,5,6,7,8,9,10,11,12,13,14 GND
ATV_MUX_IN
9 ATV_MUX_IN
CVBS0P
10 CVBS0P
CVBS0N
10 CVBS0N
RF_AGC_5362
5 RF_AGC_5362
SCT1_AVO_GND
SCT1_AVO_GND
Brand
Parts Philips Others
R204,R214,R216,R220
C203,C222
NC Yes
Q200
+5V_MUX
C203 100N 16V
R214
1 Q200
MMBT3904
10 OHM +-5% 1/10W
R220
C222
75R 1/10W 1% ATV_MUX_IN
470uF 10V
R216
75R 1/10W 1%
R204
NC/0R05 1/10W 5%
Close to
MT5336
R218 C210 CVBS0P
47NF16V
100R 1/16W 5%
SMD/0402
SMD/0402
TUNER_CVBSN R233 C221 CVBS0N
1UF 6V3
75R 1/16W 5%
SMD/0402
SMD/0402