Philips 32PFH5500/88 Service Manual page 94

Circuit Diagrams and PWB Layouts
10-6-11 Tuner/Demodulator
B11
Tuner/Demodulator
TUNER
TU201
IF PATH
8 1
TH1 Ant. PW R
9
TH2
10 2 TUNER_3V3
TH3 +B1(+3.3V)
11
TH4
12 3 TUNER_SDA
TH5 SDA
13
TH6
4 TUNER_SCL
SCL
5
IF_N_TU
DIF(N)
6
IF_P_TU
DIF(P)
7 IF_AGC_T
IF AGC
GND_Tuner
TU203
9 1
TH1 Ant.PWR
10
TH2
11 2 TUNER_3V3
TH3 +B1(+3.3V)
12
TH4
13 3 TUNER_SDA
14 TH5 SDA
TH6 4
TUNER_SCL
SCL
5
IF_N_TU
DIF(N)
6 IF_P_TU
DIF(P)
7 IF_AGC_T
GND_Tuner
IF AGC
8
NC
TU204
TU202
12 1 TUNER_LNB 12 1
TH1 LNB A TH1 LNB A
13 13
TH2 TH2
14 2 14 2
TH3 NC TH3 NC
15 15
TH4 TH4
3 +3V3_S2_TUNER 3
TU3.3V TU3.3V
4 4
QN
NC NC
GND_Tuner
5 5
QP
QP Out put QP Out put
GND_Tuner
6 IP 6
IP Out put IP Out put
7 IN 7
NC NC
8 RF_AGC_S2_TUNER 8
AGC AGC
9 X-OUT 9
X-OUT X-OUT
10 S2_SDA 10
SDA SDA
11 11
S2_SCL
SCL SCL
GND_Tuner
R236
0R05 1/ 16W Q201
NC/BTA1576S3
EXT IF AGC
TUNER
IF_AGC_T R227
10K 1/ 16W 5%
C218
10NF 50V
GND_Tuner
GND_Tuner
RF_AGC_S2_TUNER
10K 1/ 16W 5%
C219
2.2nF 50V
GND_Tuner
QM15.2E LA 10.
TUNER
C205
NC
C201 C203
NC/10PF 50V
R201 R204
IF_P_TU
0R05 1/10W
R214 0R05 1/16W
0R05 1/16W
1uF 10V
R203 R206
NC/1.8K 1/ 16W NC
C204
R226 0R05 1/ 10W R202
R205
IF_N_TU
0R05 1/ 16W 0R05 1/ 16W
1uF 10V
C202
NC/10PF 50V
C206
NC
C227
NC
C224
R240
NC/1uF 10V NC/0R05 1/16W
R252
NC
C225 R248
NC/1uF 10V NC/0R05 1/16W
C228
NC
TUNER_LNB C222
GND_Tuner
1nF 50V +3V3_TUNER
FB203
+3V3_S2_TUNER 1 2
120R
QN C212 C220
TUNER I2C PULL UP
QP 0.1uF 50V 22UF 20% 6. 3V
TUNER
IP
GND_Tuner GND_Tuner
IN TUNER_SDA
R210
RF_AGC_S2_TUNER 100R 1/16W 5%
C208
X-OUT C221 NC/33PF 50V
1nF 50V
S2_SDA
TUNER_SCL GND_Tuner R211
S2_SCL GND_Tuner
100R 1/16W 5%
R245 CLK_IN_OUT C209
NC/0R05 1/ 16W NC/33PF 50V
GND_Tuner
R223
NC/0R05 1/16W R224
NC/0R05 1/16W
R209
IF_AGC_5593
TUNER
10K 1/ 16W 5%
C207 S2_SDA R220
47NF 16V
100R 1/16W 5%
C215
R239
33PF 50V
1 RF_AGC
GND_Tuner
S2_SCL R217
NC/100K 1/ 16W 5%
100R 1/16W 5%
C216
R225 33PF 50V
T2_IF_AGC_TUNER
NC/10K 1/ 16W 5%
GND_Tuner
C217
NC/47NF 16V
T/C/T2_TUNER_3V3
TUNER FB214
120R
TUNER_3V3 1
R229 IF_AGC_S2_TUNER C210 C211
100NF 16V 1UF 10V
R228
NC/0R05 1/ 16W
GND_Tuner
EN 94
R215
TU_FAT_IN2+ ADCINP_DEMOD
0R05 1/ 16W
R216
R207 TU_FAT_IN2+ TU_FAT_IN2- ADCINN_DEMOD
0R05 1/16W
0R05 1/ 16W
C213
C214
NC/47PF 50V NC/47PF 50V
TC IF
R208 TU_FAT_IN2-
0R05 1/16W
U707
+5V_SW
R255
9
10K 1/16W 5% E-Pad
1 8 DV12
POK GND
2 7
VEN ADJ
3 6
DVDD3V3
4 VIN VO 5
VPP NC
G9661
R230
C764
10uF 10V
T2_IF_P
R232
10K +-1% 1/ 16W
T2 IF
T2_IF_N
U201
C231
100NF 16V
R231
4K7 1/ 16W 5%
IF_AGC_S2_TUNER 1
MP_A
2
MP_B
3
13/18V_SW
GPIO_0
4
DISEQC_CMD
5
DISEQC_IN
DISEQC_OUT 6
DISEQC_OUT
+3V3_TUNER
100NF 16V C232 +1.2V_T2 7
VDD_Vcore
8
R212 R213
GND
4K7 1/16W 5% 4K7 1/16W 5%
+3.3V_T2 9
100NF 16V C233
VDD_VIO
OSDA2
R221
0R05 1/16W 10PF 50V C234 10
SCL_Host
10PF 50V C235 OSDA2 11
SDA_Host
R222 OSCL2
12
TS_T2_VAL
0R05 1/16W TS_VLD
+3V3_TUNER
R218 R219
4K7 1/16W 5% 4K7 1/16W 5%
S2_TUN_SDA
S2_TUN_SCL
Model Demod
R223/R224
H NC
T T2 Si2168
+3V3_TUNER
K S2 Si2166
2
S T2/S2 Si2169
back to
2015-Sep-30
div.table
+3.3V_T2
6
FB211 FB210
11 ADCINP_DEMOD
+3.3VA_T2
120R 120R
11 ADCINN_DEMOD
11
1 2 1 2
DVDD3V3 DVDD3V3 11
11
7,12,13,16
C260
7,12,13,16
10UF 6. 3V 20%
17 DEMOD_RST
17 DEMOD_TSCLK
17 DEMOD_TSDATA0
+1.2V_T2
17 DEMOD_TSDATA1
17 DEMOD_TSDATA2
17 DEMOD_TSDATA3
17 DEMOD_TSDATA4
R246
DV12 17 DEMOD_TSDATA5
0R05 1/10W
17 DEMOD_TSDATA6
17 DEMOD_TSDATA7
C259
17 DEMOD_TSSY NC
10UF 6. 3V 20%
17 DEMOD_TSVAL
6,17 LNB_LINEDROP
6,17 TUN_LNB
6 RF_AGC
6 13V/18V_SW
6 LNB_EN
5,6,7,8,9,10,11,12,13,14,16,17,18,19
T2_IF_N
T2_IF_P
R242 51OHM 1/ 16W +/-5% C254
100NF 16V
R244 C255
51OHM 1/ 16W +/-5%
100NF 16V
6 DISEQC_OUT
C249 C251
100NF 16V 100NF 16V
36 +3.3VA_T2 C245 100NF 16V
VDD_Vana
C244
NC/6.8PF 50V
35
GND
34
X201
ADDR
2 4
33
16MHZ
XTAL_I/CLK_IN
32
NC/6.8PF 50V
XTAL_O
R238 4K7 1/ 16W 5%
C243
DVDD3V3
C242 100NF 16V
Si2166-B22-GM 31
RESETB
R237 22R 1/ 16W 5% DEMOD_RST
30 T2_IF_AGC_TUNER
MP_D
29
MP_C
28 +1.2V_T2
C239 100NF 16V
VDD_Vcore
27
GND
26 LNB_EN
TS_ERR/GPIO_1
25
TS_T2_DQ7
TSD7
RP201
22R
TS_T2_DQ7 1 8 DEMOD_TSDATA7
TS_T2_DQ6 2 7 DEMOD_TSDATA6
TS_T2_DQ5 3 6 DEMOD_TSDATA5
TS_T2_DQ4 4 5 DEMOD_TSDATA4
TS_T2_DQ3 1 8 DEMOD_TSDATA3
TS_T2_DQ2 2 7 DEMOD_TSDATA2
TS_T2_DQ1 3 6 DEMOD_TSDATA1
TS_T2_DQ0 4 5 DEMOD_TSDATA0
C236 C237 RP202
100NF 16V 22R
100NF 16V
TS_T2_SY NC R233 22R 1/ 16W 5% DEMOD_TSSY NC
TS_T2_VAL R234 22R 1/ 16W 5% DEMOD_TSVAL
TS_T2_CLK DEMOD_TSCLK
R235 22R 1/ 16W 5%
R221/R222 R220/R217/C215/C216 R225/C217 R228/R229/C219
NC Yes NC NC NC
Yes NC Yes
NC NC
NC Yes Yes NC
Yes
Yes Yes
NC
Yes
Yes
DVB-T/T2 Demodulator
Tuner/Demodulator
B11
TUNER_LNB
TUNER_LNB
ADCINP_DEMOD
ADCINN_DEMOD
IF_AGC_5593
IF_AGC_5593
OSCL2
OSCL2
OSDA2
OSDA2
OSCL1
OSCL1
OSDA1
OSDA1
DEMOD_RST
DEMOD_TSCLK
DEMOD_TSDATA0
DEMOD_TSDATA1
DEMOD_TSDATA2
DEMOD_TSDATA3
DEMOD_TSDATA4
DEMOD_TSDATA5
DEMOD_TSDATA6
DEMOD_TSDATA7
DEMOD_TSSY NC
DEMOD_TSVAL
LNB_LINEDROP
TUN_LNB
RF_AGC
13/18V_SW
LNB_EN
GND
GND
QP
IP
DISEQC_OUT
C249/C251
NC
NC
Yes
Yes
C 2015-1-26
715G7030
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