Philips 32PFL5007D/30 Service Manual page 68

Circuit Diagrams and PWB Layouts
10-3-3 B03 Tuner
Tuner
B03
TU101
DTC86WT-17-E
TU102
NC/F86WT-17-E
1
N.C RF S/W CTL
2
N.C Bst CTL
3 TU_5V
Vcc1 supply tuner Vcc1 supply tuner
EX_RF_AGC
4
External RF AGC External RF AGC
5
N.C NC
6 T_SCL
SCL SCL
T_SDA
7
SDA SDA
8
N.C NC
9
N.C NC
10
N.C NC
11
N.C NC
12
GND GND
13
N.C NC
14
N.C NC
15 GND_Tuner
N.C 'broadband' IF output
16
N.C IF AGC_EXT
TIF-
17
IF 1(N) IF1+
18 TIF+
IF 1(P) IF1-
GND_Tuner
GND_Tuner
For DTV (to DTMB demodulator)
TIF+
TIF-
IF BPF ( for DTC86WT-17-E )
TIF+ R1306 R1308
0R05 1/16W 0R05 1/16W
C1314
NC/56pF 50V R1317
NC/100R 1/16W 5%
GND_Tuner
TIF- R1307 R1316
0R05 1/16W 0R05 1/16W
C1315
NC/56pF 50V
GND_Tuner
FB1310 1 2 FB1312 1
120R/3000mA 120R/3000mA
GND_Tuner
GND_Tuner
FB1311 1 2 FB1313 1
120R/3000mA 120R/3000mA
GND_Tuner GND_Tuner
TPM9.5A LA 10.
+5V_TUNER +5V_SW
FB1303
1 2
NC/120R/3000mA
FB1304
1 2
120R/3000mA
DV33 TU_5V TU_5V
R1321
NC//4K7 1/16W 5%
1 RF_SWCTL
BST_CTL_TU
2 R1315 R1314
3 TU_5V
EX_RF_AGC
4
5
6 T_SCL R1313 100R 1/16W 5%
T_SDA
7 R1312
8 100R 1/16W 5%
9 C1302 R1323
10 C1304
11 22pF 50V 22pF 50V
12
13
14
15 GND_Tuner
16 IFAGC_T
TIF-
17
18 TIF+
(for DTV and ATV )
EX_RF_AGC R1326
0R05 1/16W
R1335 T2D_TIF+
0R05 1/16W
T2D_TIF-
R1334
0R05 1/16W
C1309 NC/100P 50V
L1303
NC/0.12UH
C1306
R1318 R1338
0R05 1/10W 0R05 1/10W
10N 50V
C1307 L1302
L1301 NC/0.22UH
NC/220pF 50V NC/0U10 H
C1311
R1325 R1339
0R05 1/10W 0R05 1/10W
10N 50V
L1304
NC/0.12UH
C1308 NC/100P 50V
2 FB1314 1 2 FB1316 1 2
120R/3000mA 120R/3000mA
GND_Tuner GND_Tuner
2 FB1315 1 2 FB1317 1 2
120R/3000mA 120R/3000mA
GND_Tuner GND_Tuner
EN 68
TU_5V
IFAGC_T
L1306
150uH
+ C1327
220UF 16V C1330
10uF 10V
GND_Tuner GND_Tuner
DV33 DV33
R1310 SCLT_DEMOD
0R05 1/16W
Q1303
2N7002 R1311 SDAT_DEMOD
0R05 1/16W
TU_OSCL
R1330 NC/0R05 1/16W
NC//0R05 1/16W
Q1302
TU_OSDA
2N7002 R1329 NC/0R05 1/16W
R1324
NC//0R05 1/16W
R1327 RF_AGC
10K 1/16W 5%
C1320
47N16V
GND_Tuner
C1313
NC/100N 16V R1319
FAT_5325IN+
200R 1/16W 5%
C1310
NC/100N 16V
R1320
FAT_5325IN-
200R 1/16W 5%
C1312
NC/100N 16V
TUNER IF to DEMODULATOR
back to
2012-Nov-30
div. table
R1304 NC/0R05 1/16W
IF_AGC_D2T
R1303 3 2
4K7 1/16W 5% ( DTMB, DVB-C )
Q1310
PMBS3906
C1305
DV33
10N 50V R1302 DV33
100K 1/16W 5%
R1336
GND_Tuner R1309 4K7 1/16W 5%
3 10K 1/16W 5%
Q1312 1 R1305
BC847C 10K 1/16W 5% H: IF_AGC_D2T( 8846 Cortrol)
L : IF_AGC_S2T ( MT5325 Control)
2
R1337
R1328 4K7 1/16W 5%
100K 1/16W 5%
PMBS3906
Q1311
IF_AGC_S2T
3 2
( PAL )
R1301
NC/0R05 1/16W
TU_5V
R1322
1K 1/10W 5%
Q1305 1
PMBS3906
R1332
BST_CTL_TU
R1333 470OHM +-5% 1/10W
0R05 1/16W
C1325
3
NC/100N16V
Q1304 1
BC847C
2
C1324
100N16V
I2C for DEMODULATOR (RESERVE)
SDAT_DEMOD
SCLT_DEMOD
Tuner Control
IF_AGC_SW
TU_OSDA
TU_OSCL
BST_CTL
RF_SWCTL
IF_AGC_D2T
IF_AGC_S2T
RF_AGC
TUNER IF to SOC
FAT_5325IN+
FAT_5325IN-
T2D_TIF+
T2D_TIF+ 7
T2D_TIF-
T2D_TIF- 7
Tuner
B03
IF_AGC_SW
BST_CTL
R1331
1K 1/16W 5%
SDAT_DEMOD 7
SCLT_DEMOD 7
IF_AGC_SW 8
TU_OSDA 7,18
TU_OSCL 7,18
BST_CTL 8
RF_SWCTL 8
IF_AGC_D2T 7
IF_AGC_S2T 18
RF_AGC 18
FAT_5325IN+ 18
FAT_5325IN- 18
A 2012-02-17
715G5279
19340_502_120716.eps
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