Philips TPN15.2E LA Service Manual page 57

Circuit Diagrams and PWB Layouts
10-3-10 Tuner/Demodulator
B10
Tuner/Demod
T/T2 TUNER
+3V3_TUNER
FB201
1 2
TU102 C208 120R C209
22UF 10V
100N 16V
8 1
TH1 ANT
9
R216
MAIN3V3
TH2
10 2
R217
TH3 3.3V
11
TH4
12 3
TUN_SDA R218
TH5 SDA
13
TH6
4
TUN_SCL R219
SCL
5
TUN_DIF-#T2 C212 C211
IF_N
6 TUN_DIF+#T2
IF_P
7 IF_AGC_T
IF_AGC
C210
1N 50V
ST42CS-2-E
H/T 394GPASEBIL02G LG TDSY-G430D
K 394GNPALALL35A SAMSUNG DTOS40CIL034B
DVB/T2 Demodulator
U201
IF_AGC_S2_TUNER 1
R315
4K7 1/16W 5%
2
C259 C258
3
13/18V_SW
4
5
DISEQC_OUT 6
MAIN3V3
7
C223 +1.2V_T2
100N 16V
8
R229 R228
C224 +3.3V_T2 9
100N 16V
10
R235
12 SCL_DEMOD
22R 1/16W 5%
11
R231
12 SDA_DEMOD
22R 1/16W 5%
12
C235 C236 TS_T2_VAL
120pF 50V 120pF 50V
C260
TUN_DIF-#T2
C
100N 16V
C261
TUN_DIF+#T2
C
100N 16V
TPN15.2E LA 10.
Deomd Power
U203
+1.2V_T2
AZ1117CH-3.3TRG1 +5V_SW FB202
U204
2 3 1 2 2
VOUT VIN OUTPUT INPUT
120R
C207 C206
ADJ/GND
C242 C243
100N 16V 10uF 16V AZ1117CD-1.2TRG1
100N 16V 10uF 16V
1K5 1/16W 5%
1K5 1/16W 5%
22R 1/16W 5%
TUNER_SDA 12
22R 1/16W 5%
TUNER_SCL 12
C213 TUN_D+_DEMOD
C220 TUN_D-_DEMOD
100N 16V C225 C226
100N 16V NC/10PF 50V
NC/10PF 50V
R323
R326
C237 C257 C228
100N 16V C234 C231
100N 16V 100N 16V
36 +3.3VA_T2
MP_A VDD_Vana
35
MP_B GND
34
GPIO_0 ADDR
33
DISEQC_CMD XTAL_I/CLK_IN
32
DISEQC_IN XTAL_O
0R05 1/16W
31
SI2166 DISEQC_OUT Si2166-B22-GM
DISEQC_OUT RESETB
30
VDD_Vcore MP_D
29
GND MP_C
28 +1.2V_T2
VDD_VIO VDD_Vcore
27
SCL_Host GND
26
SDA_Host TS_ERR/GPIO_1
25
TS_VLD TSD7
C215 C216
100N 16V 100N 16V
C202
NC/10PF 50V C201
R211 NC/10PF 50V
TUN_D-_DEMOD R212
TUN_DIF- 7
0R05 1/16W
0R05 1/16W
R
C204
NC/150pF 50V
R214
TUN_D+_DEMOD
R215
TUN_DIF+ 7
0R05 1/16W
0R05 1/16W R
C203 C205
NC/10PF 50V NC/10PF 50V
EN 57
S2 TUNER
MAIN3V3 FB204 120R
3 1 2
+3.3VA_T2 MAIN3V3
1
FB203 120R
C240 C241
1 2
+3.3V_T2 MAIN3V3
10uF 16V
100N 16V
C239
10uF 16V
QP
51R C222
100N 16V
IP
51R C227 1st
100N 16V
2nd
RP201
22R
TS_T2_DQ7 1 8
TS_T2_DQ6 2 7
C232
TS_T2_DQ5 3 6
100N 16V
TS_T2_DQ4 4 5
1 8
TS_T2_DQ3
2 7
R222 C230 5.6pF 50V TS_T2_DQ2
3 6
TS_T2_DQ1
4 5
0R05 1/16W TS_T2_DQ0
X201 RP202
2 4 22R
16MHz
TS_T2_SY NC R225 22R 1/16W 5%
TS_T2_VAL
R226 22R 1/16W 5%
R224 C233 5.6pF 50V
TS_T2_CLK
R220 NC/4K7 1/16W 5% R227 22R 1/16W 5%
MAIN3V3
R221 22R 1/16W 5%
T2_DEMOD_RSTn 12
C214 100N 16V
R223 4K7 1/16W 5% TUN_IF_AGC
Grounding
C229
100N 16V
C238
100N 16V
LNB_LINEDROP PWR_12V
TS_T2_DQ7
C252
100NF 25V
C253
20K 1/16W 5%
47NF 16V
R287
C249 220nF 16V
C248
NC/470PF 50V
7 LNB_EN PWR_12V
R299 10K LNB_EN
MAIN3V3
R286 10K LNB_LINEDROP
R300 100K 1%
PWR_12V
R302 10K 13/18V_SW
MAIN3V3
R301 R298
LINEDROP: 13/18V_SW: LNB_EN:
Low: 13/18V Low: 13V Low: disable
High: 14/19V High: 18V High: enable
back to
2015-Nov-27
div.table
TU103 LGTuner with DVB-S/S2
C221
12 1 TUNER_LNB +3V3_TUNER
TH1 LNB A
13
TH2
14 2
1nF 50V FB205
TH3 NC
15
TH4
3 1 2
TU3.3V
120R
4
C217 C218
NC
5
QP
QP Output
MAIN3V3
6
IP
IP Output
7
NC
C219 R304 R306
8 IF_AGC_S2_TUNER
AGC
2K7 2K7
9
1nF 50V
X-OUT
10 S2_TUN_SDA
R303
SDA
22R 1/16W 5%
11 S2_TUN_SCL
R305
SCL
22R 1/16W 5%
C254 C256
33P50V 33P50V
TDQS-A751F
394GPASEBIL05G LG TDQS-A751F
394GDVBSALL01A Samsung DNBU02112IH2
IFAGC SWITCH
CH_DATA7 9
CH_DATA6 9
R242 R243
CH_DATA5 9
TUN_IF_AGC
R241
CH_DATA4 9
CH_DATA3 9
0R05 1/16W NC/0R05 1/16W 0R05 1/16W
CH_DATA2 9
C255
CH_DATA1 9
CH_DATA0 9
100N 16V
IF_AGC_T
Q202
CH_START MMBT3906
CH_START 9
CH_VALID
CH_VALID 9
CH_CLK
R244
CH_CLK 9
MAIN3V3
100K 1%
C247
R246 R245
NC/10PF 50V
10K 100OHM
LNB POWER SUPPLY
D201
L201 L202 1uH
1 2
22uH
C298 C245 C244 C251
FB340M
10UF 16V 22uF 25V
10UF 25V
1210 TYPE
U202
MP8126DF-LF-Z
1 16
D202
SGND PGND
2 15
C250
FB340M
BY PASS SW
3 14
VDD BST 100NF 25V
4 13
COMP VBOOST
5 12
6 EN VOUT 11
7 LINEDROP ILIMIT 10
C246 22NF 25V C297
POK TCAP
8 9 D203
13V/18V EXTM
R289 R291
FB340M
R295 R293 10K
DISEQC_OUT
33 OHM 1/16W R297 39K 1/16W 5%
3 2
R288 Q201
100K 1% MMBT3904
1
R290
C296 R292
10K
100N 16V
Tuner/Demod
B10
IF_AGC 7
IFAGC_SW 12
TUNER_LNB
ZD201 R294 R296 ZD202
4 2015-06-25
715G7673
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