Akai LEA-22H03P Service Manual page 33

5
IF_TUNER
+5V_TUNER
R2660 R2660
75 75
D
R47 0/NC R47 0/NC
R0402/SMD R0402/SMD
C1055 C1055
0.01u 0.01u
IF_TUNER D220 D220 BA591 BA591
SOD323 SOD323
D222 D222 BA591 BA591
R48 R48
SOD323 SOD323
0/NC 0/NC
R2672 R2672
Q1824 Q1824 R0402/SMD R0402/SMD
1 220K 220K
R2671 R2671
2N3904 2N3904
22K 22K SOT23/SMD SOT23/SMD
R2673 R2673
680K 680K
C
+5V_TUNER
R186 R186
R170 R170
U814 U814
D6216N D6216N
C1086 C1086
6.8K 6.8K 6.8K 6.8K 1
0.01u 0.01u
R0402/SMD R0402/SMD
R0402/SMD R0402/SMD
D240 D240
R200 R200
2
BA591 BA591
R201 R201
SOD323 SOD323
0/NC 0/NC
22K 22K R0402/SMD R0402/SMD
R0402/SMD R0402/SMD
R158 R158
6.8K 6.8K
Q11 Q11
R0402/SMD R0402/SMD
1
2N3904 2N3904 R190 R190
SOT23/SMD SOT23/SMD 6.8K 6.8K C198 C198
R0402/SMD R0402/SMD 10nF 10nF
B C0402/SMD C0402/SMD
+5V_TUNER
CB1829 CB1829
4.7uF/NC 4.7uF/NC
C0805/SMD C0805/SMD
A
5
4
I2C ADDRESS:
READ is 0X87
WRITE is 0X86
U811 U811
R2668 R2668
D9455N D9455N
1 5
SAW SAW
Y2 Y2
4MHz 4MHz
D221 D221
2 4 BA591 BA591
SOD323 SOD323
C1062 C1062
GND
0.01u 0.01u
5
SAW SAW
4
C1066 0.01u C1066 0.01u
R2681 R2681
R2680 R2680
C1072 C1072
10K 10K
NC/2.2K NC/2.2K
390p 390p
GND
R187 R187
6.8K 6.8K
R0402/SMD R0402/SMD
+5V_TUNER
CB1828 CB1828
0.1uF 0.1uF
C0402/SMD C0402/SMD
TV_SIF
4
3
+5V_TUNER
R2665 R2665
18K 18K
0 0 IF_AGC
R2670 R2670
100K 100K
+5V_TUNER
L225 L225 FB-0805-220-3A FB-0805-220-3A
R2674 R2674
CE892 CE892
+ +
47uF/16v 47uF/16v
0 0
Q1825 Q1825
1
2N3904 2N3904
R2677 R2677 0 0 TUNER_CVBS
U812 U812
L224 L224
TDA9886/9885 TDA9886/9885
+5V_TUNER
R2678 R2678 33 33 SCL_V50
SDA_V50
R2679 R2679 33 33 CE889 CE889
47uF/16V 47uF/16V
TV_SIF CAP5-2.5MM CAP5-2.5MM
C1071 C1071 R2682 R2682
C1070 C1070
22pF 22pF
22pF 22pF
220 220
+5V_TUNER
+5V_TUNER
R2675 R2675
R2676 R2676
NC/4.7K NC/4.7K
NC/4.7K NC/4.7K
R2689 R2689 100 100
OSCL0 SCL_V50
R2690 R2690 100 100
OSDA0 SDA_V50
R307 R307
0 0
C156 C156 10nF 10nF
C0402/SMD C0402/SMD
C102 C102 10nF 10nF
C0402/SMD C0402/SMD
3
2
TUNER TUNER
TU1 TU1
TDQ-6ID_GW115HRA TDQ-6ID_GW115HRA
R17 R17
0 0
IF_TUNER
D219 D219
FB-0805-220-3A FB-0805-220-3A IF-AGC R2664 R2664
C1051 C1051 R2666 R2666
R2667 R2667
+ +
CE891 CE891 C1052 C1052
0.1u 0.1u C1053 C1053
+ +
22pF 22pF
22pF 22pF
47uF/16v 47uF/16v
MPX2_P
MPX2_N
2
1
+5V_TUNER
+5V_TUNER
+5V_TUNER 2,14
GND
GND 1,2,3,4,5,6,7,8,9,11,12,13,14
CVBS0P
CVBS0P 3,14
CVBS0N
CVBS0N 3
MPX2_P
MPX2_P 3
MPX2_N
MPX2_N 3
OSCL0
OSCL0 3,6,7
OSDA0
OSDA0 3,6,7
TUNER_CVBS
TUNER_CVBS 14
1N4148 1N4148
0 0 IF_AGC IF_AGC
33 33 SDA_V50
33 33 SCL_V50
1
D
C
B
A