Hitachi L32A102, Service Manual

Page: 25 / 65

2 5
DEMOD CIRCUIT DIAGRAM
I2CADDR0 I2CADDR1
DIF_M DIF_P
TSVALID TSCLK TSSTART
IF_AGC
EXT_PLL_SEL
MSCL
SCL
MSDA
SDA
REF_BOT
RESET_N
SDA SCL
T_SCL T_SDA
TS5 TS6 TS7 TS0 TS1 TS2 TS3 TS4
SYS-RESET
+3.3V_De
SDA
T_IF_AGC
REF_TOP
+3.3V_De
+1.2V_De
VDD_1.2V
+5V
+3.3V_De
+3.3V_De
+1.2V_De
+3.3V_De
VDD_1.2V
VDD_1.2V
VDD_1.2V
+3.3V_De
+3.3V_De
TS1
7
T_IF_AGC
5
TS2
7
TS7
7
DIF_P
5
TS3
7
MSDA
7,9,10
MSCL
7,9,10
TS4
7
DIF_M
5
TSCLK
7
TS5
7
SYS-RESET
7
T_SCL
5
TSVALID
7
TS6
7
TS0
7
T_SDA
5
TSSTART
7
POWER FOR DEMODULATOR
Place close to MSD119L
Place close to MSD119L
R400 4.7K R400 4.7K
R422 680 R422 680
L20
FB
L20
FB
C323 0.1uF C323 0.1uF
R397
100
R397
100
+
CA67
100uF/16V
+
CA67
100uF/16V
C312 0.1uF C312 0.1uF
C311 0.1uF C311 0.1uF
+
CA61
100uF/16V
+
CA61
100uF/16V
C329
22p
C329
22p
L68 1uH L68 1uH
R403
4.7K
R403
4.7K
C307 0.1uF C307 0.1uF
R398
100
R398
100
+
CA63
100uF/16V
+
CA63
100uF/16V
C339 0.1uF C339 0.1uF
C144 10uF C144 10uF
C281 0.1uF C281 0.1uF
R401
330
R401
330
C334 0.1uF C334 0.1uF
C129 10uF C129 10uF
C304 0.1uF C304 0.1uF
C321 0.1uF C321 0.1uF
7 5 3 1
8 6 4 2
RP20
47RX4
7 5 3 1
8 6 4 2
RP20
47RX4
R369
1K
R369
1K
C297 47p C297 47p
C296
620p
C296
620p
TUNER_SDA
1
GPIO_IN1
2
VDD12IH
3
VSSIPH
4
PKDATA7
5
PKDATA6
6
PKDATA5
7
PKDATA4
8
VDD12IH
9
VSSIPH
10
PKDATA3
11
PKDATA2
12
PKDATA1
13
PKDATA0
14
VDD33OPH
15
VSSOH
16
RESET_N
17
TEST _BIRA
18
TEST _SIG0
19
TEST _SIG1
20
VDD12IH
21
VSSIPH
22
TEST _SIG2
23
TEST _SIG3
24
PKCLK
25
VDD33OPH
75
VDD12T_A BB
56
VSSOH
74
VBB_ABB
53
D_IN4
73
VSST_ABB
52
D_IN5
72
VSSIPH
61
D_IN6
71
OSC_XIN
58
D_IN7
70
VSSBB_ABB
55
VDD12IH
69
VDD12T_A BB
51
VSSIPH
68
OSC_XOUT
59
D_IN8
67
VDD33OPH
60
D_IN9
66
VSSOH
57
D_IN10
65
FILTER
54
D_IN11
64
CLK_EXT_ADC
62
VDD12IH
63
I2CADDR1
39
VDD12IH
50
I2CADDR0
38
SCL
37
VSSIPH
49
SDA
36
TEST_SEL0
48
VDD12IH
35
TEST_SEL4
42
VSSIPH
34
TEST_SEL1
47
EXT_PLL_SEL
33
TEST_SEL2
46
PKVAL
32
VDD12IH
45
VDD12IH
31
VSSIPH
44
VSSIPH
30
TEST_SEL3
43
PKERR
29
VSSOH
40
PKSYNC
28
VDD33OPH
41
VDD33OPH
27
VSSOH
26
VDD33TH_ABB
77
VSSBBH_ABB
76
CML
78
RN
79
RP
80
VSSBBTH_ABB
83
AIP
82
VDD33TH_ABB
84
AIN
81
VSSIPH
85
VDD12IH
86
D_IN3
87
D_IN2
88
D_IN1
89
D_IN0
90
VDD12IH
91
VSSIPH
92
VDD12IH
93
VSSIPH
94
IF_GAIN
95
TU_GAIN
96
GPIO_OUT1
97
TUNER_CLK
98
VDD33OPH
99
VSSOH
100
U41 S5H1409 U41 S5H1409
C299 0.1uF C299 0.1uF
R389
100
R389
100
C310
0.1uF
C310
0.1uF
R384
1K
R384
1K
C301 1.5n C301 1.5n
C317 0.1uF C317 0.1uF
C313 0.1uF C313 0.1uF
C302 0.1uF C302 0.1uF
C305 0.1uF C305 0.1uF
C314 0.1uF C314 0.1uF
C340 0.1uF C340 0.1uF
C320 0.1uF C320 0.1uF
C298 30p C298 30p
+
CA62
100uF/16V
+
CA62
100uF/16V
C140 10uF C140 10uF
C324 0.1uF C324 0.1uF
C335 0.1uF C335 0.1uF
C331 0.1uF C331 0.1uF
R399 4.7K R399 4.7K
3
2
1
4
ADJ
OUT
IN
U39 AP1122
ADJ
OUT
IN
U39 AP1122
C308 0.1uF C308 0.1uF
C318 0.1uF C318 0.1uF
R383
1K
R383
1K
3
2
1
4
ADJ
OUT
IN
U40
AMS1117-3.3V
ADJ
OUT
IN
U40
AMS1117-3.3V
R385
1K
R385
1K
C315 0.1uF C315 0.1uF
R390
100
R390
100
R392
100
R392
100
C316 0.1uF C316 0.1uF
C326 0.1uF C326 0.1uF
C330
22p
C330
22p
C151 10uF C151 10uF C150 10uF C150 10uF
R396
100
R396
100
C322 0.1uF C322 0.1uF
C336 0.1uF C336 0.1uF
C392 0.1uF C392 0.1uF
R402 47K R402 47K
C332 0.1uF C332 0.1uF
7 5 3 1
8 6 4 2
RP21
47RX4
7 5 3 1
8 6 4 2
RP21
47RX4
C155 10uF C155 10uF
L19
FB
L19
FB
R391 220 R391 220
C154 10uF C154 10uF
X1 49.38111MHz X1 49.38111MHz
C152 10uF C152 10uF
L69
FB
L69
FB
C319 0.1uF C319 0.1uF