Philips 32PHT4001/60 Service Manual page 39

5
L2 L2
270nH 270nH
TUNER_CONNECTOR TUNER_CONNECTOR
CON1 CON1 C5 C5 39pF 39pF
1 RF C6 C6 47pF 47pF R1 R1 0R 0R
2 C8 C8 39pF 39pF
3
4 L3 L3 L5 L5
D
270nH 270nH L4 L4 270nH 270nH
2
180nH 180nH
D1 D1
NC/BAV99 NC/BAV99
L6 L6
C13 C13 270nH 270nH
180pF 180pF
SCL-T R2 R2 0R 0R
SDA-T R3 R3 0R 0R
Si2151
VCC_LNBA
C27 C27 C28 C28
1nF 1nF 1nF 1nF
C
D2 D2
NC NC
TUNER_CONNECTOR TUNER_CONNECTOR
C32 C32
L7 L7
CON2 CON2 39pF 39pF 3.3nH 3.3nH
RF_S
1
2 RF_IN
3
C35 C35
4
NC/0.5pF NC/0.5pF
AV2012
B
DVB-S/S2
A8304
+12V_Normal
+12V_Normal
C53 C53 C54 C54 C55 C55 C56 C56 C57 C57
22uF/25V 22uF/25V 22uF/25V 22uF/25V 0.1uF/25V 0.1uF/25V
22uF/25V 22uF/25V 22uF/25V 22uF/25V
A
L10 L10
CH/10uH CH/10uH D1005 D1005
B240 B240
LX
C62 C62 C63 C63 C64 C64 C65 C65
22uF/25V 22uF/25V 22uF/25V 22uF/25V
22uF/25V 22uF/25V 22uF/25V 22uF/25V
DVB-S/S2
5
4
+3.3V_TU
C2 C2 C3 C3
L1 L1 1nF 1nF 1uF 1uF
C1 C1
U2 U2
1nF 1nF
270nH 270nH
18
NC
19
RF_REF
IF-
11
IF_P
20
RF_IP
10 IF+
IF_N
22 Si2151 Si2151
RF_IN
C72 C72 8pF/NC 8pF/NC
13
XTAL_I
Y1 Y1
3
14
C73 C73 XTAL_O
8pF/NC 8pF/NC 24MHZ/8pF 24MHZ/8pF
24
GPIO1
IF_AGC_T
5
AGC1
1 1
GPIO2
TP1 TP1
4
AGC2
3
SCL
2
SDA
12
XOUT
C19 C19 C20 C20
23
ADDR
33pF 33pF 33pF 33pF
I2C Addr: 0xC0
C21 C21 C22 C22 C23 C23 C24 C24 C25 C25
100nF 100nF 1uF 1uF 22pF 22pF 1nF 1nF 100nF 100nF
V_TU
C29 C29
U3 U3
C30 C30
100nF 100nF
VCC 1 21
REG2OUT VDDD
2 20
VCCRF1 VCCXO
3 19
RFIN+ XTAL1
C33 C33 22pF 22pF RFIN‐
4 18
RFIN- XTAL2
2012 2012
C36 C36 10nF 10nF
VCC
5 17
VCCRF2 ADDR1
6 16
RFAGC SDA
7 15
RFLP SCL
C37 C37
10pF 10pF
C40 C40
10nF 10nF
I2C Addr: 0xC4
R4 R4
IF_AGC_S
IP‐S
100R 100R C42 C42 10pF 10pF C43 C43 100nF 100nF
IM‐S
C44 C44 10pF 10pF C45 C45 100nF 100nF
C46 C46
100nF 100nF
C47 C47 10pF 10pF C1075 C1075 100nF 100nF QM‐S
C49 C49 10pF 10pF C50 C50 100nF 100nF QP‐S
Close to Tuner
Close Tuner
VREG
C1078 C1078 R9 R9
220nF/25V 220nF/25V 60K4 60K4
C52 C52
TCAP
0.1uF/25V 0.1uF/25V
U4 U4
13
VIN
R10 R10 10K 10K
8
SLEEP/ +3.3V_TU
R11 R11 10K 10K
14
LX +3.3V_TU
EXTM DISEQC
7
DISEQC
TONECTRL
R12 R12 100R 100R
15
GNDLX
A8304 A8304
SDA-T
16 6
BOOST SDA
17 5 SCL-T
GND SCL
LNB_INT
+3.3V_TU
R14 R14
4.7K 4.7K
C59 C59
0.1uF/25V 0.1uF/25V R15 R15
R16 R16 NC/4.7k NC/4.7k
0R 0R
I2C Addr: 0x11
D4 D4
C1081 C1081
1uF/25V 1uF/25V VCC_LNBA
B340 B340
D5 D5
D6 D6
1N4933_D-DO41 1N4933_D-DO41 C66 C66 C67 C67
B340 B340
220nF/25V 220nF/25V 10nF/25V 10nF/25V
4
3 2
DVB-C/T/T2 DIF
IF-IN-
C39 C39
NC/33pF NC/33pF
C4 C4 0.1uF 0.1uF IF-IN+
C7 C7 0.1uF 0.1uF IF-IN- IF-IN+
C41 C41
NC/33pF NC/33pF
Satellite DIF
IP-S R5 R5
IM-S R6 R6
QP-S R7 R7
QM-S R8 R8
AGC RC Filter &I2C
5 TUNER_SDA
V_TU
5 TUNER_SCL
C26 C26
33pF 33pF
100nF 100nF
R13 R13 100R 100R
5 IFAGC_T
R17 R17 0R 0R
5 IFAGC_S
C31 C31
30pF 30pF
XTAL1
Y2 Y2
Close Tuner
27MHz 27MHz
C34 C34
XTAL2 30pF 30pF
SDA-T J4 J4
J3 J3
SCL-T
1
1
2
2
3
3
C38 C38 4
4
10pF 10pF
5
38
3
1
L8 L8 0R 0R DIF-
DIF- 5
L9 L9 0R 0R DIF+
DIF+ 5
D
0R 0R
IP_S_1 5
0R 0R
IM_S_1 5
0R 0R
QP_S_1 5
0R 0R
QM_S_1 5
SDA-T
SCL-T
IF_AGC_T
C58 C58
0.1uF 0.1uF
C
IF_AGC_S
C60 C60
NC/0.1uF NC/0.1uF
B