Philips 22PFS5403/12, Service Manual

Page: 50 / 61

9-4-10 T2 /S2 Tuner
IP 7
ZD203
N
C
/P
JS
D
24
C
W
1
2
C212
100NF 16V
IN 7
DISEQC_OUT
S2_IF_AGC 11
C213
100NF 16V
C214
100NF 16V
+3V3_TUNER
1'st Source :LG TDQS-A751F (394GPASEBIL05G)
2'nd Source :TCL TUNER EU SS07CA-6-E (394GDVBSALL02L)
1'st Source :LGIT TDSY-G430D (394GPASEBIL02G)
2'nd Source : TCL ST42CS-2-E (394GNPALALL32L)
C215
10UF 6.3V 20%
C132
NC/10PF 50V
L201 10uH
+3V3_TUNER 4
13/18V_SW
LNB_LINEDROP
C243
1
0u
F
3
5
V
QP
R348
0R05 1/16W
S2_IF_AGC
S2 Tuner IFAGC
C208
10UF 10V
C240
1
0u
F
3
5
V
TUNER_LNB
DISEQC_OUT 11
R347
0R05 1/16W
TU102
Ant.PWR
1
+B1(+3.3V)
2
SDA
3
SCL
4
DIF(N)
5
DIF(P)
6
IF AGC
7
NC
8
TH1
9
TH2
10
TH3
11
TH4
12
TH5
13
TH6
14
S2_TUNER_SDA
T2_IF_AGC
C135
NC/10PF 50V
Tuner control I2C
C205 100NF 16V
R227
60.4K 1%
13/18V_SW
QN
IN
R215 10K
D502
FB340M
1 2
D503
FB340M
1
2
D504
FB340M
1
2
ZD202
N
C
/P
JS
D
24
C
W
1
2
R
21
3
1
00
K
1
%
DISEQC_OUT
C245 22NF 25V
R224
33 OHM 1/16W
+3V3_TUNER
TUNER_LNB
R214
N
C
/1
00
K
1
/1
6W
5
%
LNB_EN
DV33
LNB_LINEDROP
R223
N
C
/1
00
K
1
/1
6W
5
%
T2 Tuner IFAGC
R208 10K
C249 220NF 16V
R346 22R 1/16W 5%
PWR_12V
PWR_12V
R222 10K
LINEDROP:
Low: 13/18V
High: 14/19V
13/18V_SW:
High: 18V
Low: 13V
C253
3.3NF 50V
LNB POWER SUPPLY
C246 100NF 25V
C244
1
0u
F
3
5
V
LNB_EN:
Low: dis able
High: enable
ESD & Surge
Protect
+3V3_VCC_S2
C209
100NF 16V
+3V3_TUNER
FB203
120R 3A
1 2
R216
2.
2K
1
/4
W
R217
2.
2K
1
/4
W
TU103
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
TDQS-A751F
FB105
120R 1A
1 2
R201
2K2 1/16W 5%
TUNER_SCL
TUNER_SDA
C256
22PF 50V
TUN_DIF-#T2
TUN_SCL
#T2
R202
2K2 1/16W 5%
T2 TUNER
R141
0R05 1/16W
R138
0R05 1/16W
LNB_LINEDROP 11
DV33
LGTuner with DVB-S/S2
CLOSE TO TUNER
TUN_SDA
S2 TUNER
C231
1NF 50V
TU_LNB
C257
22PF 50V
R340 22R 1/16W 5%
#T2
IF_AGC_T
TUN_DIF-#T2
C203
100NF 16V
13/18V_SW 11
IF_AGC_S2_TUNER
C210
1nF 50V
C207
1nF 50V
IP
co-layout
C
C
LGTuner with DVB-C/T/T2
R
R
CLOSE TO TUNER
from scaler
CLOSE TO TUNER
+3V3_TUNER
ZD201
N
C
/P
J
S
D
2
4C
W
1
2
QP
IP
IN
QN
C250
100NF 25V
TU_LNB
TUN_DIF-
TUN_SDA
TUN_SCL
T2_IF_AGC
S2_IF_AGC
C297
100NF 25V
C206 100NF 16V
C298
10UF 16V
TU_LNB 10
R341 22R 1/16W 5%
R342 22R 1/16W 5%
C261
22PF 50V
S2_TUNER_SCL
C260
22PF 50V
C262
10PF 50V
R221
33
K
1
%
C211
100NF 16V
TUNER_SDA
TUNER_SCL
U202 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
R225
5.
1
K
1
%
C263
10PF 50V
QN 7
PWR_12V 4,11,17
PWR_12V
Tuner
GPIO
DV33 4,5,10,11,12,14,17,19
DV33SB 4,6,10,12,18
+5V_SW 4,9,11,14,16,17,18,19
GND 4,5,6,7,8,9,10,11,12,14,15,16,17,18,19
DV11 4,12
TUN_DIF- 7
TUNER_SCL 10
TUNER_SDA 10
T2_IF_AGC 11
7
TUNER_SCL
TUNER_SDA
TUN_DIF-
+5V_SW
DV33
DV11
LNB_EN
GND
DV33SB
Demod
LNB_EN 11
CI_INCLK
CI_INDATA0
CI_INDATA2
CI_INDATA1
CI_INSY NC
CI_INVALID
CI_INDATA7
CI_INDATA6
CI_INDATA5
CI_INDATA4
CI_INDATA3
CI_INSYNC 9
CI_INVALID 9
CI_INCLK 9
CI_INDATA3 9
CI_INDATA6 9
CI_INDATA7 9
CI_INDATA2 9
CI_INDATA4 9
CI_INDATA5 9
QP 7
CI_INDATA0 9
CI_INDATA1 9