Philips 22PFH4000/88 Service Manual page 97

Circuit Diagrams and PWB Layouts
10-7-10 Tuner/T2 demod
B10
Tuner/T2 demod
DVB-T/T2 Demodulator
C237
NC
C211
NC
C251
NC
1
IF_AGC_S2_TUNER R315
MP_A
NC
2
MP_B
13/18V_SW 3
GPIO_0
4
NC
5
NC
DISEQC_OUT 6
SI2166 DISEQC_OUT
NC
C223
+1.2V_T2 7
Pin-to-Pin compatible
VDD_Vcore
with Si2166 (DVB_S/S2)
NC
8
GND
9
C224 +3.3V_T2
VDD_VIO
NC
10
C235 S2T2_DEMOD_SCL
SCL_Host
NC
S2T2_DEMOD_SDA 11
C236
SDA_Host
NC
TS_T2_VAL 12
TS_VLD
T2 Demod : 356G0575048607
S2 Demod : 356G0575048606
LNB POWER SUPPLY
PWR_12V
C250
NC
R227 NC C253
NC
C249 NC
C248 NC
1
2
3
PWR_12V
4
5
R208 NC LNB_EN
DV33
R215 NC LNB_LINEDROP 6
7
R209 NC
PWR_12V
8
R222 NC 13/18V_SW
DV33
R211 R223 R214
LINEDROP: 13/18V_SW: LNB_EN:
Low: 13/18V Low: 18V Low: disable
High: High: 13V High: enable
14/19V
TPN15.1E LA 10.
C213 NC TUN_DIF+_DEMOD
C220 NC TUN_DIF-_DEMOD
QN
R321 NC C217
NC
R323 NC C221 QP
NC
IN
R325 NC C218
NC
R326 NC C222 IP
NC
36
C219
VDD_Vana
NC
R319
C230 NC
35
GND
NC
34 X201
ADDR
2 4
NC
33
XTAL_I/CLK_IN
U201
C233 NC
R322 NC
32
XTAL_O
R316 NC
DV33
31 R318 T2_DEMOD_RSTn
NC NC
RESETB
NC
C214
R320
30 T2_IF_AGC_TUNER
NC
MP_D
C212
29
NC
MP_C
C238
28
+1.2V_T2
VDD_Vcore
27 NC
GND
26 LNB_LINEDROP
TS_ERR/GPIO_1
25 TS_T2_DQ7
TSD7
RP201
NC
1 8
TS_T2_DQ7 CI_INDATA7
TS_T2_DQ6 2 7 CI_INDATA6
TS_T2_DQ5 3 6 CI_INDATA5
TS_T2_DQ4 4 5 CI_INDATA4
1 8
TS_T2_DQ3 CI_INDATA3
TS_T2_DQ2 2 7 CI_INDATA2
TS_T2_DQ1 3 6 CI_INDATA1
TS_T2_DQ0 4 5 CI_INDATA0
C215 C216 RP202
NC
NC NC
TS_T2_SY NC CI_INSY NC
R328 NC
TS_T2_VAL R329 NC CI_INVALID
TS_T2_CLK R331 NC CI_INCLK
C247
NC
D502
L201 L202 NC
1 2
NC
C298 NC C243 C240
C244
NC NC NC NC
ESD & Surge
U202
16
Protect
SGND PGND
15 C246 D504
BY PASS SW
14 NC
NC
VDD BST 13
COMP VBOOST 12
TUNER_LNB
EN VOUT
11
LINEDROP ILIMIT
10
NC
POK TCAP 9
C297 ZD201 R216 R217
13V/18V EXTM D503
C245
R210 R212
NC NC
NC NC
R224
DISEQC_OUT NC
R226
3 2
NC
Q201
1
R221
NC NC R225
C296
NC
EN 97
+1.2V_T2 AVDD1V2 +3.3V_T2
FB211
+3.3VA_T2 FB208
NC
NC
1 2
DV33
1 2
C239
NC
T2 TUNER
LGTuner with DVB-C/T/T2 H/T model : TCL ST42CS-2-E
K model : Samsung DTOS40CIL034B
co-layout
TU102
8 1
+3V3_TUNER
9 TH1 ANT
10 TH2 2 1 2
TH3 3.3V
11
TH4
12 3 TUN_SDA 120R 1A
TH5 SDA
FB105
4 TUN_SCL C203
SCL
13 100NF 16V
TH6
5 TUN_DIF-#T2
IF_N
6 TUN_DIF+#T2
IF_P
7 IF_AGC_T
IF_AGC
C231
1NF 50V
ST42CS-2-E
C132 C131
NC/10PF 50V NC/10PF 50V
TUN_DIF-#T2 TUN_DIF-_DEMOD
R137 R138 R139
0R05 1/16W 0R05 1/16W 0R05 1/16W
TUN_DIF+#T2 R140 R141 TUN_DIF+_DEMOD R142
0R05 1/16W 0R05 1/16W 0R05 1/16W
C135 C138
NC/10PF 50V NC/10PF 50V
S2 TUNER
LGTuner with DVB-S/S2
TU103
C207
NC
12 1
TUNER_LNB
TH1 LNB A
13
TH2
14 2
TH3 NC
15
TH4 3 1
+3V3_VCC_S2
TU3.3V
C209 C208
4 QN
NC
NC NC
5
QP
QP Output
6 IP
IP Output
7
IN
NC
8 IF_AGC_S2_TUNER
AGC
9
C210
X-OUT
10 S2_TUNER_SDA
NC
SDA
11 S2_TUNER_SCL
SCL
TDQS-A751F
IFAGC SWITCH
Demod IC
R339 R341 R337
T2_IF_AGC_TUNER IF_AGC
NC 0R05 1/16W 0R05 1/16W
C255 SoC
ZD202 NC/100NF 16V
IF_AGC_T NC Q202
Tuner
R342
DV33
NC
R344
IFAGC_SW
NC R345
NC
back to
2015-Oct-20
div.table
FB210
NC
1 2
DV33
C232
NC
+3V3_TUNER
AZ1117CH-3.3TRG1
U203
2 3
VOUT VIN
100NF 16V
C204
C202
22UF 10V
DV33
R202 R201
1K5 1/16W 5% 1K5 1/16W 5%
TUN_SDA
R340 22R 1/16W 5% R203
TUN_DIF-
TUN_SCL R346 22R 1/16W 5% R204
C136
NC/150pF 50V C257 C256
68P 50V 68P 50V
TUN_DIF+
PWR_12V
+5V_STB
+5V_SW
DV33
AVDD1V2
DV11
DV33 DV33SB
+3V3_TUNER
GND
FB203
2
R220 R219
NC
NC NC
NC
R218
S2_TUNER_SDA S2T2_TUN_SDA GPIO
R207
S2_TUNER_SCL S2T2_TUN_SCL
NC
C241 C242
NC NC Tuner
TUN_DIF-
TUN_DIF+
TUNER_SDA
TUNER_SCL
IF_AGC
IFAGC_SW
Demod
S2_T2_SDA
S2_T2_SCL
T2_DEMOD_RSTn
DV33 R335 R336 R338 R343
CI_INCLK
CI_INVALID
T2/K Yes Yes Yes Yes
CI_INSY NC
R335 R336
CI_INDATA7
H NC NC NC NC
CI_INDATA6
CI_INDATA5
CI_INDATA4
CI_INDATA3
CI_INDATA2
CI_INDATA1
S2T2_DEMOD_SDA R338 NC S2_T2_SDA
CI_INDATA0
S2T2_DEMOD_SCL R343 NC S2_T2_SCL
Tuner/T2 demod
B10
+5V_SW
C201
10UF 10V
from scaler
TUNER_SDA
100R 1/16W 5%
100R 1/16W 5% TUNER_SCL
PWR_12V 4,17
+5V_STB 4,6
+5V_SW 4,9,11,16,17,18
DV33 4,5,7,10,11,12,14,17,18
AVDD1V2 4
DV11 4,12
DV33SB 4,6,10,11,12,18
GND 4,5,6,7,8,9,10,11,12,14,15,16,17,18
LNB_EN
LNB_EN 11
TUN_DIF- 7
TUN_DIF+ 7
TUNER_SDA 11
TUNER_SCL 11
IF_AGC 7
IFAGC_SW 7
S2_T2_SDA 11
S2_T2_SCL 11
T2_DEMOD_RSTn 7
CI_INCLK 9
CI_INVALID 9
CI_INSY NC 9
CI_INDATA7 9
CI_INDATA6 9
CI_INDATA5 9
CI_INDATA4 9
CI_INDATA3 9
CI_INDATA2 9
CI_INDATA1 9
CI_INDATA0 9
4 2014-10-22
715G6947
19790_509.eps