Philips 22PFL3108H/60 Service Manual page 122

Circuit Diagrams and PWB Layouts
10-5-14 T2/S2 Tuner/Demodulator
T2/S2 Tuner/Demodulator
B14
TUNER
TCLTuner with DVB-C/T/T2
ST03CS-2-E
+3V3_TUNER
1
FB202 U201
ANT
G1117-33T63Uf
2 1 2 2
+3V3_VCC_T2
3.3V VO VI
120R
3 TUN_SCL
SCL
4 TUN_SDA
SDA
C204 C203
5
22UF 20% 6.3V 100NF 16V
GND
6
GPIO_TUN
GPIO1
7 TUN_DIF-
10 IF_N
TH1
11 8 TUN_DIF+ DV33
TH2 IF_P
12 R324
13 TH3 9
100R 1/16W 5% IF_AGC_T
TH4 IF_AGC
C231
TU201 100NF 16V R202 R201
1K2 OHM 1K2 OHM
TUN_SDA R203
TUN_SCL R204
TCLTuner with DVB-S/S2
TU202 C207
TDQS-A801F 1nF 50V
+3V3_TUNER
1 TUNER_LNB FB203
LNB A 2
NC
3 +3V3_VCC_S2 1 2
TU 3.3V
4 QN 120R R220
QN Output 5 QP
C209 C208 1K2 OHM
QP Output
6 IP 0.1uF 50V 22UF 20% 6.3V
IP Output 7
IN
15 IN Output 8 IF_AGC_S2_TUNER S2_TUNER_SDA
TH4 AGC
14 9
13 TH3 X-OUT 10
S2_TUNER_SDA C210 S2_TUNER_SCL
TH2 SDA
12 11 S2_TUNER_SCL 1nF 50V
TH1 SCL
C241
33PF 50V
+12V_LNB
D201
NC/FB340M L202
NC/1.0UH
1 2
L201
LNB POWER SUPPLY
NC/22UH
C223
C221 C296 C222 NC/10uF 25V
NC/0.1uF 50V NC/10UF 16V NC/10uF 25V
NC/2.2UF 25V
R211 NC/4K7 1/16W 5% C253
47NF 16V
U202
C228 NC/220NF 16V
1 16
C240 NC/470PF 50V
SGND PGND
2 15
3 BYPASS SW 14
C237 NC/100NF 16V
+12V_LNB VDD BST
4 13
COMP VBOOST
R207 NC/10K 1/16W 5% LNB_LINEDROP 5 12
DV33
LNB_EN 6 EN VOUT 11
R215 NC/10K 1/16W 5%
LINEDROP ILIMIT
R208 NC/100K 1/16W 5% 7 10 C227 NC/22NF 25V
+12V_LNB
8 POK TCAP 9
R222 NC/10K 1/16W 5% 13/18V_SW
DV33
13V/18V EXTM
R210
NET LNB_LINEDROP Swap to LNB_EN Function. NC/MP8126DF-LF-Z 10K 1/16W 5%
NET LNB_EN Swap to LNB_LINEDROP Function.
R224
DISEQC_OUT
NC/33 OHM 1/16W
LNB_EN:
Low: disable
LINEDROP: 13/18V_SW: High: enable
Low: 13/18V Low: 18V
High: 14/19V High: 13V
R221
NC/0R05 1/16W
AVDD1V2 FB204
NC/120R
1 2
C270 C271 C272 C273 C274 C275
NC/100NF 16V NC/100NF 16V NC/100NF 16V NC/100NF 16V NC/100NF 16V NC/100NF 16V
AVDD1V2
FB205 DV12_PLL
NC/120R
1 2
C282 C283
NC/1nF 50V NC/100NF 16V
AVDD1V2 FB206 DV12_ADC
NC/120R
1 2
C286 C287 C288 C289 C290
NC/100NF 16V NC/100NF 16V
NC/10UF 6.3V 20% NC/1nF 50V NC/1nF 50V
DV33 FB207 DV33_VDDIO
NC/120R
1 2
C291 C292 C293 C294 C295
NC/100NF 16V NC/100NF 16V NC/100NF 16V NC/100NF 16V NC/100NF 16V
TPN10.1E LA 10.
+1.2V_T2
FB208
120R 3A
1 2
AVDD1V2
FB201 C212 R316
+5V_SW T2_IF_AGC_TUNER
220R 22uF 10V 10K 1/16W 5%
3 1 2
C218 100R 1/16W 5%
100NF 16V
FB209
+1.2VA_T2
120R 3A
C202 C201 1 2
AVDD1V2
100NF 16V 10UF 16V
C229
22uF 10V
FB210 R325
+3.3V_T2
120R 3A NC/4K7 1/16W 5%
+3.3V_T2
1 2
DV33
C232 TS_T2_SYNC
10UF 6.3V 20%
22R 1/16W 5% TUNER_SDA TS_T2_VAL
22R 1/16W 5% TUNER_SCL FB211 TS_T2_CLK
+3.3VA_T2 120R 3A
1 2
DV33
DV33_VDDIO
C236 +1.2V_T2
100NF 16V
C238
10UF 6.3V 20%
R219
1K2 OHM
C243 +3.3V_T2
S2_TUN_SDA
R218 100NF 16V
22R 1/16W 5% TS_T2_DQ0
R206 S2_TUN_SCL
22R 1/16W 5% TS_T2_DQ1
+1.2V_T2
C242 C246
33PF 50V 100NF 16V
TS_T2_DQ2
C224
IFAGC SWITCH
IFAGC_SW
ESD & Surge R333
4K7 1/16W 5%
U205
D202 Protect
IF_AGC 1 6
NC/FB340M
2 B2 S 5
GND VCC
T2_IF_AGC_TUNER 3 4
B1 A
TUNER_LNB
R334
SN74LVC1G3157DCKR
NC/4K7 1/16W 5%
C297
NC/0.1uF 50V
D203 IF_AGC_T
R337
NC/FB340M
IF_AGC IF_AGC_T
NC/39K 1/16W 5% NC/0R05 1/16W
R226
3 2
Q201
1
NC/MMBT3904
DV33_VDDIO
S2_RESET:
Reset : Low
Normal : High
DV12_VDDC
IP C262 NC/100NF 16V C263 C264
NC/22PF 50V NC/100NF 16V
IN C265 NC/100NF 16V
C276 C277 + C278
NC/100NF 16V NC/100UF 16V
NC/1UF 10% 16V
QP C266 NC/100NF 16V
QN
C269 NC/100NF 16V C267 C268
NC/22PF 50V NC/100NF 16V
R354
NC/0R05 1/16W
X202
1 3
NC/10MHz
C280
NC/12PF 50V
IF_AGC_S2_TUNER R359 R360
NC/180ohm 1/16W +/-5% NC/4K7 1/16W 5%
C284 C285
NC/100NF 16V NC/10NF 50V
EN 122
Optional UART Interface for DeBug
+3.3V_T2
R314 L203
1K2 OHM 22NH
+3.3V_T2
C213 100NF 16V
R317
L204
22NH
C220 100NF 16V
C225 C226
68PF 50V 68PF 50V
U203
R318
4K7 1/16W 5%
1 48 2
GPA0 XVSS
2 47
R322
TSERR XTALI
100R 1/16W 5%
3 46
TSSYN XTALO
4 45 +3.3VA_T2 C234
TSVLD AVDD33
100NF 16V
5 44 +1.2VA_T2 C235
TSCLK PVDD12
100NF 16V
6 43
R323
VSS PVSS
NC/0R05 1/16W
7 42
NT78820TL GPIO_TUN
CVDD12 GPA5/IRQ
8 41 +1.2V_T2 C239
GPB0 MVDD12
100NF 16V
9 40
GPB1 GPB7/CLK_OUT
10 39
GPB2 GPB6
11 38
T2_UARTTX R327
DVDD33 GPA3/UART_Tx
20K 1/16W 5%
12 37 T2_DEMOD_RSTn
TSD0 RESETN
C244
13 36 +1.2V_T2 C245 100NF 16V
TSD1 CVDD12
100NF 16V
14 35
CVDD12 VSS
15 34
VSS GPA2/DSU_Rx
16 33 T2_DSU_TX R330 NC/4K7 1/16W 5%
+3.3V_T2
TSD2 GPA1/DSU_Tx
R332
4K7 1/16W 5%
DVB-T/T2 Demodulator
DV33
DV33_VDDIO
DV33_VDDIO
R346
NC/4K7 1/16W 5%
S2_DEMOD_RSTn
R350
NC/4K7 1/16W 5%
C259
270PF 50V
U204
DV12_ADC 1 48 DV12_VDDC
2 ADC_AVDD VDDC 47
TUNER_IP 3 ADC_AVSS GND 46
ADC_IP MPEG_ERR
TUNER_IN 4 45 TS_S2_SYNC
5 ADC_IN MPEG_SYNC 44
TS_S2_VAL
ADC_AVSS MPEG_VALID
DV12_ADC 6 43 DV33_VDDIO TS_S2_DQ7
ADC_AVDD VDDIO
TUNER_QP 7 42 TS_S2_DQ6
8 ADC_QP GND 41
TUNER_QN DV12_VDDC TS_S2_DQ5
ADC_QN VDDC
DV12_PLL 9 40 TS_S2_CLK TS_S2_DQ4
10 PLL_AVDD MPEG_CLK 39
TS_S2_DQ0 TS_S2_DQ3
DV12_VDDC 11 PLL_AVSS MPEG_DATA_0 38 TS_S2_DQ1 TS_S2_DQ2
VDDC MPEG_DATA_1
12 37 TS_S2_DQ1
13 GND GND 36
DV12_VDDC DV33_VDDIO TS_S2_DQ0
VDDC VDDIO
14 35 DV12_VDDC
PLL_REFCLK_XI VDDC
15 34 TS_S2_DQ2
16 PLL_REFCLK_XO MPEG_DATA_2 33
TS_S2_DQ3
RFAGC MPEG_DATA_3
TS_S2_SYNC
TS_S2_VAL
TS_S2_CLK
R356
NC/0R05 1/16W
NC/AVL6211LA
C281
NC/12PF 50V
DV33_VDDIO
R361
NC/4K7 1/16W 5%
DVB-S/S2 Demodulator
back to
2013-Oct-18
div.table
T2_UARTTX
T2_UARTRX TP37
TP38
TP39
TUN_DIF+
TUN_DIF-
Q-
C230 12PF 50V
X201
Q+
4
27MHz
C233 12PF 50V
RP201
22R
TS_T2_DQ7 1 8 CI_INDATA7
TS_T2_DQ6 2 7 CI_INDATA6
TS_T2_DQ5 3 6 CI_INDATA5
4 5
TS_T2_DQ4 CI_INDATA4
TS_T2_DQ3 1 8 CI_INDATA3
TS_T2_DQ2 2 7 CI_INDATA2
+3.3V_T2
3 6
TS_T2_DQ1 CI_INDATA1
TS_T2_DQ0 4 5 CI_INDATA0
RP202
22R
TS_T2_SYNC R328 22R 1/16W 5% CI_INSYNC
TS_T2_VAL CI_INVALID
R329 22R 1/16W 5%
TS_T2_CLK R331 22R 1/16W 5% CI_INCLK
DV33
S2T2_DEMOD_SDA R338 S2_T2_SDA
33R 1/16W 5%
S2T2_DEMOD_SCL R343 S2_T2_SCL
33R 1/16W 5%
RP204 NC/22R
4 5 CI_INDATA7
3 6 CI_INDATA6
2 7
CI_INDATA5
1 8 CI_INDATA4
4 5
CI_INDATA3
3 6 CI_INDATA2
2 7 CI_INDATA1
1 8
CI_INDATA0
RP203 NC/22R
R355 NC/22R 1/16W 5% CI_INSYNC
R357 NC/22R 1/16W 5% CI_INVALID
CI_INCLK
R358 NC/22R 1/16W 5%
T2/S2 Tuner/Demodulator
B14
TUNER_LNB
TUNER_LNB 4 ,14
+12V_LNB
+12V_LNB 4,14
PWR_12V
PWR_12V 4,14
AV25
AV25 4,12
+5V_STB
+5V_STB 4
+5V_SW
+5V_SW 4,8,11
DV33
DV33 4,5,6,7,8,9,11,12,13,14,15
AVDD1V2
AVDD1V2 4
DV15
DV15 4,10
DV33SB
DV33SB 4,5,9,12,13,14
GND
GND 4,5,6,7,8,9,10,11,12,13,14,15
Tuner
TUN_DIF-
TUN_DIF- 6
TUN_DIF+
TUN_DIF+ 6
TUNER_SDA
TUNER_SDA 11
TUNER_SCL
IF_AGC TUNER_SCL 11
IF_AGC 6
Demod
S2_T2_SDA
S2_T2_SDA 11
S2_T2_SCL
S2_T2_SCL 11
S2_DEMOD_RSTn
S2_DEMOD_RSTn 11
T2_DEMOD_RSTn
T2_DEMOD_RSTn 11
IFAGC_SW IFAGC_SW
IFAGC_SW 6
LNB_LINEDROP
LNB_LINEDROP 11
CI_INCLK
CI_INCLK 8
CI_INVALID
CI_INVALID 8
CI_INSYNC
CI_INSYNC 8
CI_INDATA7
CI_INDATA7 8
CI_INDATA6
CI_INDATA6 8
CI_INDATA5
CI_INDATA5 8
CI_INDATA4
CI_INDATA4 8
CI_INDATA3
CI_INDATA3 8
CI_INDATA2
CI_INDATA2 8
CI_INDATA1
CI_INDATA1 8
CI_INDATA0
CI_INDATA0 8
1 2013-06-05
715G6094
19530_551_130718.eps
130718