VESTEL 17MB12, Service Manual

Page: 53 / 64

74HCT4053
IC101
1 2Y1
2 2Y0
3 3Y1
4 3Z
5 3Y0
6 E
7 VEE
8 GND 9 S3
10 S2
11 S1
12 1Y0
13 1Y1
14 1Z
15 2Z
16 VCC
X6966M
Z100
IN1 1
IN2 2
GND
3
OUT1 4
OUT2 5
VCC_33V
1u
L100
S103
16V
1u
C104
50V
39p
C103
50V
39p
C102
S106
10V
100n C143
10V
100n
C134
10V 100n
C123
10V
100n C128
10V
100n
C125
10V
100n C126
10V
100n C124
5V_DRX
5V_DRX
5V_DRX
VCC_5V
16V
47u
C121
5V_DRX
DRX3960A
IC100
12
AVDD_SYN
13
AVSS_SYN
14
SHIELD
15
TEST0
16
TEST1
17
TEST2
18
CVBS
19
REF_SW
20
SIF
21
AVDD_DAC
22
AVSS_DAC
23 TEST_EN
24 RESETQ
25 SDA
26 SCL
27 DVDD_CAP
28 DVDD
29 DVSS
30 DVSS_CAP
31 PORT0
32 PORT1
33 TUNER_AGC
34
PORT2
35
PORT3
36
PORT4
37
ADR_SEL
38
PORT5
39
DVDD_ADC
40
DVSS_ADC
41
XTALIN
42
XTALOUT
43
VREF
44
SGND
1 AVSS_ADC
2 AVDD_ADC
3 ANATSTX
4 ANATSTY
5 AVDD_FE8
6 AVSS_FE8
7 AVSS_FE401
8 IFINX
9 AVDD_FE40
10 IFINY
11 AVSS_FE402
5V_DRX
5V_DRX
QSS
SCL_3V3_IC
SDA_3V3_IC
3V3_DRX
16V
47u
C120
10V 100n
C122
VCC_3V3 3V3_DRX
3V3_DRX
20.25Mhz
X100
50V
27p
C132
50V
27p
C131
16V
33n
C140
6k2
R147
5VL
5V_TUNER
SDA_5V_IC
SCL_5V_IC
AGC_DVB
S111
S107
S100
3V3_DRX
50V
33p
C136
1k
R109
10V
100n C130
100n C106
16V
10V
100n C109
16V
47u
C112
VCC_5V
5V_TUNER
AUDIO_MUX_SW
SYNC_SW2
3V3_DRX
6k2
R139
6k2
R140
6k2
R138
6k2
R144
6k2
R136
BC848B
Q108
RESET_IC
1k
R150
33k
R151
3V3_DRX
10V 100n
C141
50V
33p
C138
10V
100n C108
3V3_DRX
50V 3u3
C107
10V
100n C144
S105
5k1
R108
1k
R142
BC848B
Q107
75R
R143
VCC_8V_VIDEO
TUNER_CVBS_IN
4k7
R103
5k1
R104
5k1
R105
16V 10n
C100
L112
10u
L108 L111
L115
L116
L114
10V 100n
C137
10u
L113
10V 100n C105
10V
100n C133
3k3
R101
S104
6k2
R145
3V3_DRX
5V_TUNER
100R
R149
100R
R106
100R
R107
100R
R137
100R
R148
DRX_CLK
50V
1n
C129
16V
10n
C101
150R
R119
150R
R120
150R R117 150R R118
50V
1n
C115
50V
1n
C116
50V
1n
C119
50V
1n
C114
47k
R113
47k
R112
47k
R126
47k
R125
470R R124 470R R116
Q101 Q102
12V_IF 12V_IF
BC848B
Q100
33k
R111
4k7
R110
5V_TUNER
S113 S114
BLM21A601S
L101
VCC_8V_VIDEO
25V
100n C110
12V_IF
47R
R122
47R
R115
SYNC_SW2
S118 S119
3V3_DRX
600R_100MHZ_200mA
L109
10V
100n C127
330R_100MHZ_3A
L110
16V
10u
C135
47R
R141
1k2
R135
10u
L102
10u
L107
3k3
R100
5V_TUNER
S116
S112 S115
100R
R114
100R
R121
50V 3u3
C142
1R
R146
DIG_IF-
SCLK_TUNER
SDATA_TUNER
CHROMA_SW
R102
4k7
SW_ENABLE1
38.9MHz_TVTUN
TU100
AGC 1
VT 2
AS 3
SCL 4
SDA 5
NC 6
VS 7
NC/ADC 8
VST 9
IF2/GND 10
IF1 11
AGC_DVB
S102
1N4148
D100
S101
DMP/DVD_SWITCH
5V_TUNER
10k
R130
10k
R128
330R
R129 BC848B
Q103
10k
R127
ACTIVE_ANT.
antenna_control
FDC642P
Q105
1
2
3 4
5
6
S117
ACTIVE_ANT.
ACTIVE_ANT.
BC857B
Q106
3k3
R133
1R
R134
6k8
R132
3k3
R131
shortcir.
shortcir.
BC848B
Q104
10k
R123
5V_TUNER
10V
100n
C117
10V
100n
C118
10V
100n
C139
S120
S121
IDTV_YPbPr_SW
4R7
R152
5VL
5VL
S122
S123
S124
S125
S126
25V
1u
C113
4R7
R153
10u
L105
S127
SHEET 8
SHEET 3
SHEET 3
SHEET3
SHEET3
SHEET 3,5,6
SHEET3
DRX POWER SUPPLY
TV/DVB_SWITCH
PTC RES
N.C.
N.C.
SHEET3 VCTP PIN80
FOR THE USE OF EXTERNAL CLOCK
C124,C134 IS 1NF [30012581]
X100 AND C123 IS REMOVED
SHORT
N.C.
BF799 BF799
SHOUL BE CONNECTED TO DRX GND
PTC RES
VESTEL ELECTRONICS
Author
17.04.2007
Date
FROM 100 to 150
ISMAIL YILMAZLAR
17MB12-1 TUNER-DRX.1of13
SADIK SEHIT
PTC RES