VESTEL MB120 DS Service Manual page 77

1 2
F181
3V3_VCC_RF S2_TUN_3V3
220R
C2381
A
10u
6V3
10k
3V3_VCC
R877
B
S2_RESET Q55 C2392
10k
R876
7 2 3
C2390
CN31
1
3p3
50V
6 5 4
D62
BAV99
1n 1n 1n 1n
C2373
50V 50V 50V 50V
C
D
F172
C1000
S426
NC
10u
1k
25V
F171 D54
LNB_OUT_1
1k
C1001 1N5819
10u
NC
E
25V
C999 C998 C997
10u 10u 10u
25V 25V 25V
C996
10u
25V
12V_VCC
S425
12V_VCC
F
1 2
3
50V
27p X6
C2361
1 4
C2357 27MHz
2 3
10n 16V
10n
16V
R888
3k3 RES VDDA2
15 7
10n
16V CAP CK_OUT
16 6
C2355
U60
CKDIV_OPT IP
17 5
M88TS2022
RFBYPASS IN
18 4
2 1
S470
RESET VDDA1
19 3
L27
LNA_IN QN
20 2
4n7
50V
0p5 TEST QP
21 1
S2_TUN_3V3
50V
R884
33R S2_SCL_D1
R885
LNB_OUT_1 33R S2_SDA_D1
50V 50V
I2C ADDR: C0
AGC_SAT_D1
REG_OUT_AGC_D1 R878 R874
10k 10k 100R
R879
Close SAT DEMOD Close SAT DEMOD C lose To TS2022
DISEQC_OUT_D1
C990
100n
10V
50V
100nF
220n
C1020
I2C: 0xC2
13 8
VLNB FAULT
C988
25V
14 7
2u2 VCP EN/ADDR
U54
C1018
100n 10V
15 6 130k
TPS65233
BOOST ISEL
C989
NC 16 5
PGND TCAP
100n
22nF
L20
10u
C1016
F170 1u
16V
C1012 1k
C994
C1013
10u 10u 100n
16V 16V
16V
3
4 5
50V
27p
S2_TUN_3V3
C2360
10n 16V
NC
2 1
S471
IP_D1
2 S472 1
S478
2 1
IM_D1
S477
2 1
NC
S2_TUN_3V3
NC
C2359
2 S474 1
QM_D1
2 1
S473
10n 16V
S475
2 1
QP_D1
S476
2 1
NC
C2356
10n
C766
16V
S2_TUN_3V3
27p
S2_AGC_D1 50V
REG_OUT_AGC_D1
C767
16V
27p 50V
IF_AGC_D1
DIGITAL1_IF_P
DIGITAL1_IF_N
IP_D1
S2_AGC_D1
IM_D1
3V3_VCC_RF
F77 220R
C632
10u
6V3
3V3_VCC_RF F79 220R
1V15_VCC_DEMOD
F78 220R
S468
S2_TUN_3V3
S455
NC
R832
TS_CLK_D1
100k
10V
TS_SYNC_D1
TS_VLD_D1
TS_D0_D1
4 5
6
R216
1
TUNER_SCL 100R I2CS_SCL
S70
2
GND_0
3
XTAL_OUT
4
XTAL_IN
AVDD33_D1
S71
5
AVDD33_0
S69
6
AGC_SAT_D1 IFAGC_S
S66
7
IFAGC_T
C854 C249
8
IP_T
Close to MSB1240
16V
22n 100n
9
IM_T
16V
C250
Close to MSB1240
10
GND_1
S262 100n
10V 11
IP_S
16V
C231
100n
12
IM_S
NC
100n
S261
10V
C233
C236 C812 AVDD33_D1
10V 50V
100n 100p
VDD33_D1
10V 10V 10V
100n 100n 100n
VDD_D1
C576
10V 10V 10V
100n 100n 100n
10p
50V
R620
33R TS4CLK
R532
TP70
33R
TP69
1 8
R1
TP68
1
MSPI_CSZ_D1
2 7
R2 TS4SYNC
2
MSPI_DO_D1
3
4k7
3 6
R3 TS4VLD
4
3V3_VCC_RF R71 R72
4k7
4 5
R4 TS4D0
TP71
6
7 8
NC NC NC NC NC
36 NC
TS_D[6]
C235
35 NC
TS_D[7]
100n 10V
34
TS_CLK 47R TS_CLK_D1
R659
33
MSPI_CSZ/SSPI_CLK 47R
MSPI_CSZ_D1
R660
32
MSPI_DO/SSPI_DI 47R MSPI_DO_D1
R661
31
MSPI_DI/SSPI_DO 47R
MSPI_DI_D1
R662
C232
30
GND_5 NC
100n 10V
29
RESETZ 47R RESET_DEMOD
R663
28
MSPI_CLK/SSPI_CSZ 47R MSPI_CLK_D1
R664
27
VDD33_1 VDD33_D1
26
GND_4
25
VDD_1 VDD_D1
I2C ADRESS:D2
10k VDD33_D1
R311
10k
R312
100n 10V
TP65 C234
U11
MX25L512
1N5819 3V3_VCC_RF
8
CS# VCC
7
SO HOLD# D4
6
WP# SCLK MSPI_CLK_D1
5
GND SI MSPI_DI_D1
TP66
TP67
VESTEL
18mb120-r2
PROJECT NAME :
SCH NAME : 08_S2_TUNER_DEMOD
ONDER GENC
DRAWN BY : 15-08-2016_15:00
7 8
A
B
C
D
E
F
A3
15
T. SHT:
A X M