Philips 43PUT6504/56 Service Manual page 59

9-4-10 Tuner & Demod*
TU203
T 2 T U N E R
8 1
9 TH1 Ant. PWR
TH2
10 2
TH3 +B1(+3.3V)
11
TH4
12 3 TUN_SDA
TH5 SDA
13
TH6
4
TUN_SCL C118
SCL
100NF 16V
5 TUN_DIF-#T2
DIF(N)
6 TUN_DIF+#T2
DIF(P)
7
IF _AGC_T
IF AGC
C L O S E T O T U N E R C l o s e t o S c a l e r ( U 4 0 1 )
C142
C106
10PF 50V
TUN_DI F-#T2 TUN_DIF-_DEMOD
C
100NF 16V
C119
TUN_DI F+#T2 TUN_DIF+_DEMOD
C
100NF 16V
C150
10PF 50V
C134
D e m o d
100NF 16V
R150
IF_AGC_S2_TUNER 1
MP_A
4K7 5%
C121 2
MP_B
100NF 16V
13_18V_SW 3
GPIO_0
4
DISEQC_CMD
5
DISEQC_IN
6
DISEQC_OUT
DISEQC_OUT
C107
+1.2V_T2 7
VDD_Vcore
100NF 16V
8
GND
C140
+3.3V_T2 9
VDD_VIO
100NF 16V
10
DEMOD_SCL
SCL_Host
DEMOD_SDA 11
SDA_Host
12
TS_T2_VAL
TS_VLD
T 2 D E M O D I 2 C
F r o m M T 5 8 0 6 T O D e m o d
R148
R149
DEMOD_SCL
9,13 OSCL2
DEMOD_SDA
9,13 OSDA2
33R 5%
C101 C102
33R 5%
+3V3_TUNER
T U N E R I 2 C
R134
R135
TUN_SCL
TUN_SDA
100R 5%
C149 C183
100R 5%
C133
10uF 6.3V
W r i t e : 0 x C 0
Read:0xC1
C L O S E T O T u n e r
IF_AGC_T
C155
NC/ 10PF 50V C116
TU_FAT_IN2-
R151
47nF 50V
0R05 1/16W
R153
NC/620R 1/16W 5%
C L O S E T O T u n e r
TU_FAT_IN2+
R152
0R05 1/16W IF_AGC_T
C113
NC/ 10PF 50V
R168 C182 100NF 16V
R169 C105 100NF 16V
0R05 1/16W
0R05 1/16W
C144 C104
C117 C153
100NF 16V 100NF 16V
36 +3.3VA_T2
VDD_Vana
35
GND
34
ADDR
33
XTAL_I/CLK_IN
32
XTAL_O
31
RESETB
U718
30
MP_D
SI 2169-D60-GMR
29
MP_C
28 +1.2V_T2
VDD_Vcore
27
GND
26
TS_ERR/GPIO_1
25
TSD7
C147 C103
100NF 16V 100NF 16V
+3V3_TUNER
R140 R141
4K7 5%
4K7 5%
S2T2_TUN_SCL
R136
S2T2_TUN_SDA
R137
F r o m T 2 D e m o d
0R05 1/ 10W
0R05 1/ 10W
R138
9,13
OSCL2
R139
9,13
OSDA2
NC/0R05 1/10W
NC/0R05 1/10W
F r o m M T 5 8 0 6 ( O S D A 2 )
F r o m M T 5 8 0 6
R132
IF_AGCT
10K 5%
F r o m T 2 d e m o d
R130
T2_IF_AGC_TUNER
4K7 5%
C185 R131
NC/22K 1/16W 5%
10NF 50V
D E M O D P O W E R
TUN_DIF+_DEMOD +1.2V_T2
TUN_DIF-_DEMOD
R127 C180 QP
100NF 16V
51 OHM 5%
IP
R129 C143
100NF 16V
51 OHM 5%
C137 C145
+3.3V_T2
C184
100NF 16V
C148
3.3PF 0.25PF 50V
X402
2 4
16MHz
TS_T2_DQ0
C136
3.3PF 0.25PF 50V
TS_T2_SYNC
R119 NC/4K7 1/16W 5%
+3.3V_T2
R120 22R 5% DEMOD_RESET TS_T2_VAL
C181 100NF 16V
TS_T2_CLK
T2_IF_AGC_TUNER
R121
4K7 5%
C151
100NF 16V
C146
100NF 16V
LNB_EN
14
LNB_EN
M o d e l
T ( T 2 )
K ( S 2 )
S ( T 2 / S 2 )
T 2 / S 2 T U N E R
TU202
1
TUN_SCL
SCL
2 TUN_SDA
SDA
3 +3V3_VCC_S2
+3.3V
4
NC 1
5 IF_AGC_T
IF_AGC
6
NC 2
7
TUN_DIF -#T2
IF (N)
8
TUN_DIF +#T2
IF(P)
26 TUNER_LNB
LNB
27
GND
58
IF_AGC_S2_TUNER
SAT_AGC
59 IP
I(P)
60
NC 3
61
NC 4
62 QP
Q(N)
TDJA-G661D
M o d i f y 0 6 1 2
AVDD1V2 +3. 3VA_T2 DVDD3V3
FB717 FB719
1 2 1 2
120R 3A
120R 3A
C132
10uF 6.3V C138
10uF 6.3V
DVDD3V3
FB718
120R 3A
1 2
C179
10uF 6.3V
+ 5 V _ S W T O T U N E R 3 . 3 V
DEMOD_TS0 +5V_SW
R122 22R 5%
DEMOD_TSSY NC
R123 22R 5%
R124 22R 5% DEMOD_TSVAL
R125 22R 5% DEMOD_TSCLK
C139 C135
10PF 50V
10PF 50V
D e m o d T u n e r
T2 Si2168
356G0575048610
T U 2 0 3
S i 2 1 6 6
356G0575048613 S i 2 1 6 9 T U 2 0 2
+3V3_TUNER
C123 C122
100NF 16V
C L O S E T O T U N E R
C124
1nF 50V
C125
1nF 50V
DEMOD_TSSY NC
DEMOD_TSSY NC 17
DEMOD_TSVAL
DEMOD_TSVAL 17
DEMOD_TSCLK
DEMOD_TSCLK 17
DEMOD_TS0
DEMOD_TS0 17
IF_AGCT
IF_AGCT 9
TU_F AT_IN2+
9
TU_FAT_IN2+
TU_FAT_IN2-
9
TU_F AT_IN2-
13_18V_SW
13_18V_SW 14
TUNER_LNB
TUNER_LNB 14
DISEQC_OUT
DISEQC_OUT
14
DEMOD_RESET
DEMOD_RESET 17
+3V3_TUNER
U719
R154 G960T63Uf
3 2
VIN VOUT
0 OHM 1/8W
C126
C128 C127 C129
1UF 50V 1UF 50V
10uF 6.3V 100NF 16V
C l o s e t o t u n e r
GND 4,5,6,7,8,9,10,11,12,14,15,16,17,18,19, 20, 21, 22