Hitachi 55HK6T64U Service Manual page 68

1 2
F111
3V3_VCC
3V3_VCC_RF
60R
C2248
to Tuners & Demods
6V3
100u
A
3V3_VCC_RF S2_TUN_3V3
F109 220R
C1503
10u
6V3
R530
3k3
2
S160
B 10k
3V3_VCC
R484
50V
S2_RESET Q64 C1545 0p5
10k
R483
7 2 3
C1541
CN43
1
3p3
S2_TUN_3V3
50V
6 5 4
LNB_OUT
C 1n 1n 1n 1n
C1530
50V 50V 50V 50V
REG_OUT_AGC_D1
D
D22
LNB_OUT
1N5819
S246
1N5819
C2144
D20 10u
L15
E 1N5819 25V
S383
12V_VCC
10u
D19
F
1 2
3
50V 50V
27p X2 27p
C1562
1 4
C1558 27MHz
2 3
10n 16V
10n
16V
S2_TUN_3V3
RES VDDA2
15 7
10n
16V CAP CK_OUT NC
16 6
C1556 2
S162
U10
CKDIV_OPT IP
17 5
2
S163
S169
M88TS2022
2
RFBYPASS IN
1 18 4 S168
2
NC
RESET VDDA1
19 3
L5
2
LNA_IN QN
20 2 2
4n7
S166
2
TEST QP
21 1 S167
2
C1557
10n
16V
S2_TUN_3V3
50V
R308
33R S2_SCL_D1
R309
33R S2_SDA_D1
50V 50V
I2C ADDR: C0
AGC_SAT_D1
R490 R264
10k 10k 100R S2_AGC_D1
R492
Close SAT DEMOD Close To TS2022
C2141
C1413 220n
C1257
100n
10u 10V
16V
16V I2C ADDR: 10
50V
220n
C2153
13
VOUT ISEL
1N5819
14
VUP U12 SDA
D21
LNBH29EPTR
15
NC4 SCL
16
LX ADDR
C2143 C2145 25V
10u 10u 2u2
25V 25V C2139
10V100n
C1951
3
4 5
3V3_VCC_RF
C1561
10n 16V
1
IP_D1
1
1
IM_D1
1
S2_TUN_3V3
3V3_VCC
NC
C1560
S165 1
QM_D1
1
S164
10n 16V
1
S2_RESET
QP_D1
1
NC
7 2 3
CN42
1
6 5 4
S2_AGC_D1
REG_OUT_AGC_D1
16V
C1535
R589
8
22k
R260
7
100R SYS_SDA
R261
6
100R SYS_SCL
5
S382
12V_VCC
DISEQC_OUT_D1
4 5
6
S2_TUN_3V3_2
F110 220R
C1504
10u C1565
6V3
10n
16V
R531
3k3 RES
15
10n
16V CAP
16
C1563
CKDIV_OPT
17
M88TS2022
RFBYPASS
2 1 18
S161
10k RESET
19
R487 L6
LNA_IN
20
4n7
50V
Q65 C1546 0p5 TEST
21
10k
R486
C1542
3p3
S2_TUN_3V3_2
50V
50V
LNB_OUT_2
1n 1n 1n 1n
50V 50V 50V 50V
AGC_SAT_D2
REG_OUT_AGC_D2 R491
10k 10k
R493
Close SAT DEMOD C lose To TS2022
C1258 100n C1414
10u
16V
50V
220n
C2154
D27
LNB_OUT_2
1N5819
1N5819
D26
S247
1N5819
C2147 C2146 C2148 25V
D25 10u 10u 10u 2u2
L16
1N5819 25V 25V 25V C2140
10u
D24
6
7 8
50V 50V
27p X3 27p
C1568
1 4
27MHz
2 3
10n 16V
S2_TUN_3V3_2
C1567
VDDA2
7
10n 16V
CK_OUT
6
NC
2 1
S173
U11
IP
IP_D2
5 S172
2 1
S171
2 1
IN IM_D2
4 S170
2 1
NC
VDDA1 S2_TUN_3V3_2
3
NC
C1566
2 S174 1
QN QM_D2
2 2 S175 1
10n 16V
S176
2 1
QP
QP_D2
1 S177
2 1
NC
C1564
10n
16V
S2_TUN_3V3_2
S2_AGC_D2
REG_OUT_AGC_D2
R310
33R S2_SCL_D2 16V
R311
33R S2_SDA_D2
50V 50V
I2C ADDR: C2
R265
100R S2_AGC_D2
C2142
220n
I2C ADDR: 12
10V
16V
R590
13 8
VOUT ISEL 22k
R262
14 7
VUP U13 SDA 100R SYS_SDA
R263
LNBH29EPTR
15 6
NC4 SCL 100R SYS_SCL
16 5
LX ADDR 10k 3V3_VCC
R489
DISEQC_OUT_D2
10V 100n
C1952
VESTEL
17mb100-r1
PROJECT NAME :
SCH NAME : 1 T. SHT:
<YOUR NAME HERE>
DRAWN BY : 25-12-2014_13:21
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