Philips 32PHS5505/12, Service Manual

Page: 79 / 110

9-4-7 Tuner
R4197
3
.9
K
1
/4
W
D4004
SM240A
1
2
R4189
0R
05
1
/1
6
W
C4118
NC/10PF 50V
R4199
0R05 1/16W
R4210
0R05 1/16W
R4205
0R05 1/16W
R4212
0R05 1/16W
R4188
0R
05
1
/1
6
W
TU103
Ant. PWR
1
+B1(+3.3V)
2
SDA
3
SCL
4
DIF(N)
5
DIF(P)
6
IF AGC
7
TH1
8
TH2
9
TH3
10
TH4
11
TH5
12
TH6
13
1'st Source : TCL ST42WS-17-E (394GNPALALL53L)_ SCL-Tr <1000ns*90%
2'nd Source : LGIT TDSY-G480D (394GPASEBIL03G)_ SCL-Tr <300ns*90%
IFAGC_T
C4103
10UF 6.3V 20%
TUN_DIF-#T2
Close Tuner
T2 Tuner IFAGC #T2
TUN_SCL
FB402
120R 3A
1 2
IF_AGC_T
TUN_SDA
C4125
100NF 16V
IFAGC_T 4
+3.3V_TU
C4139
10UF 6.3V 20%
C4127
100NF 16V
R4196
0R05 1/16W
R4183 100OHM
IFAGC_S 4
VCC_LNBA
TPV: change TU102 parts number follow LG. 12/30
T2 TUNER
LGTuner with DVB-C/T/T2
TU102
TH1
12
TH2
13
TH3
14
TH4
15
LNB A
1
NC
2
TU3.3V
3
NC
4
QP Output
5
IP Output
6
NC
7
AGC
8
X-OUT
9
SDA
10
SCL
11
L403 10uH
C4138
100NF 16V
+3.3V_TU
C4132
1
0u
F
2
5
V
FB412
120R 3A
1 2
TPV: change TU103 parts number follow LG. 1/6
C4151
1
N
F
5
0V
C4133
1NF 50V
CLOSE TO TUNER
LGTuner with DVB-S/S2
R4204
22 OHM 1/16W
S2 TUNER
R4202
22 OHM 1/16W
C4152
2
2P
F
5
0
V
C4153
2
2P
F
5
0
V
C4147
1
0P
F
5
0
V
M-SCL
M-SDA
C4150
1
0P
F
5
0
V
U415 MP8124GD Z

AGND
8
BYPASS
11
VDD
12
COMP
10
EN
2
LINEDROP
1
TCAP
9
VOUT
7
VBOOST
6
BST
5
SW
3
PGND
4
13V/18V
14
EXTM
13
R4190
60.4K 1%
R4191 NC/10K
C4140
3.3NF 50V
R
+12V_Normal
C4134
1
0u
F
2
5
V
R4193 NC/10K
PWM1/13/18V_SW
R4200
10K
CLOSE TO TUNER
C4136 220NF 16V
R4192 NC/10K
R
LNB_EN
+3.3V_TU
CLOSE TO TUNER
TUNER POWER
M-SCL
4,10
M-SDA
4,10
D4003
SM240A
1 2
Tuner control I2C
C4123
NC/10PF 50V
DVB-C/T/T2 DIF
from scaler
VCC_LNBA
R
42
0
3
1
00
K
1
%
DISEQC_OUT
C4146
22nF 10% 50V
R4201
33 OHM 1/16W
R4187
22 OHM 1/16W
+12V_Normal
QP_S_1
4
IP_S_1
4
QM_S_1
4
IM_S_1
4
C4142
100NF 25V
LNB POWER SUPPLY
LINEDROP:
Low: 13/18V
High:
14/19V
ESD & Surge
Protect
13/18V_SW:
High: 18V
Low: 13V
LNB_EN:
Low: disable
High: enable
LNB_EN
PWM1/13/18V_SW
LNB_EN 4
PWM1/13/18V_SW 4
R4194
3.
9
K
1
/4
W
R4195
3
.9
K
1
/4
W
+5V_Normal
C4121
100NF 16V
C4128
NC/22PF 50V
R4179
0R05 1/16W
R4175
0R05 1/16W
+3.3V_TU
U414
AZ1117CH-3.3TRG1
A
D
J
(G
N
D
)
1
VOUT
2
VIN
3
4
4
C4129
NC/22PF 50V
R4186
22 OHM 1/16W
#T2
TUN_DIF-#T2
C4122
10UF 6.3V 20%
+3.3V_TU 4
+3.3V_TU
C4120
10UF 6.3V 20%
1'st Source :LG TDQS-A701F (394GPASEBIL04G)
2'nd Source :TCL TUNER EU ()
C4130
100NF 25V
R4198
10K
ZD4005
NC/AZ6518-01F.R7G
1
2
LNB_LINEDROP
TUN_SCL
R4176
0R05 1/16W
R4180
0R05 1/16W
C4145
100nF 35V
DIF- 4
DIF+ 4
GND
3,4,5,6,7,8,10,11,12,13,14
DISEQC
4
C4131
10UF 16V
R4177
NC/180R
TUN_SDA
+12V_Normal 3,4,5,10
+12V_Normal
+3V3_VCC_S2
C4119
NC/10PF 50V
C4135
1
0u
F
2
5
V
C4124
NC/10PF 50V
R4174
0R05 1/16W
R4178
0R05 1/16W