Hitachi L26HP03E Service Manual page 86

C393
1
10U
16V
16V
1U
2 1
10V
C280
1
C224 2
100N
2 1
1U 16V
C279
2V5_QAM
49
GNDD_AD12
50
1V_QAM VCCD_AD12
51
GNDA_PLL
52
2V5_QAM VCCA_PLL
53
GNDD_PLL
54
C304
VCCD_PLL
1V_QAM
2V5_QAM
1 2 55
27MHZ
ZO
33P
50V
56
C305
2V5_QAM VCCA_OSC
1 2
57
2V5_QAM
A
33P
50V C228
3
BC817-25 2 58
100N GNDA_OSC
Q103
2 1 10V
59
VBASE DEMODULATOR
R117
1 1 2
150R
60
1V_QAM VDD10REG
61
VDD4
62
GND4
63
VDD_IO_3V3_4
3V3_QAM
64
CLK_TST
F128
3V3_VCC 1 2
330R
C282 C223 C207 C206
2 2 2 2 2
10u 100N 100N 100N
1 1 1 1 1
10V 10V 10V 10V
F127
2V6_VCC 1 2
330R
C283 C221 C222 C219
2 2 2 2 2
10u 100N 100N 100N
1 1 1 1 1
10V 10V 10V 10V
BUF B1/B4
C187
2
100N
1
10V
1 20
1OE- VCC
TS_SW1
2 19
1A1 2OE- TS_SW4
MPEG_TS_OUT_VALID
3 18
2Y4 1Y1 CI_TS_IN_VALID
4 17
MPEG_TS_OUT_SYNC 1A2 2A4
U126
5 16
MPEG_TS_IN_SYNC 2Y3 1Y2
CI_TS_IN_SYNC
74LCX244
6 15
1A3 2A3 CI_TS_OUT_SYNC
MPEG_TS_OUT_CLK
7 14
MPEG_TS_IN_VALID
2Y2 1Y3
8 13
CI_TS_OUT_VALID
1A4 2A2
9 12
MPEG_TS_IN_CLK
2Y1 1Y4
C390
10 11
2
GND 2A1 CI_TS_OUT_CLK
22p
1
50V
NC (Close to CT216T) * opt:with Cable
No 0248
IF_AGC_QAM
16V
2 10N
2 1
DIGITAL_IF- IF_AGC_QAM
C384
C356
R322
1 470R 2 DIGITAL_IF+ R332
1 2
R321 1 10K 2 IF_AGC_COFDM
10N
1 2
470R
16V
16V
10N
2 1
C355
CAB/TER IF AGC SWITCH
32
GPIO4/SDAT
R427
33R
31 1
TS_DATA[7] R1
30 2
TS_DATA[6] R2
29 3
ST QAM TS_DATA[5] R3
28 4
TS_DATA[4] R4
27
VDD_IO_3V3_2
26
GND2
25
U109 VDD2
R426
33R
24 1
STV0297E
TS_DATA[3] R1
23 2
TS_DATA[2] R2
22 3
TS_DATA[1] R3
21 4
TS_DATA[0] R4
20
M_ERR TP125
1
19
33R
M_VALID
2
R174
18
M_SYNC 33R
2
R175
17
M_CKOUT 33R
2
R172
***I2C ADDRESS***
WRITE=38
READ=39
1V_QAM
3V3_QAM
C205 C217 C216 C215 C214 C220 C209
2 2 2 2 2 2
100N 100N 100N 100N 100N 100N 100N
1 1 1 1 1 1
10V 10V 10V 10V 10V 10V 10V
F129
5V_VCC 1 2 3V3_VCC
2V5_QAM 5V_DVB
330R
C218 C284 C234
2 2
100N 10u 100N
1 1
10V 10V 10V
BUF B2/B3
C185
2
100N
1
10V
1 20
1OE- VCC
3V3_BUF_DVB TS_SW2
2 19
1A1 2OE- TS_SW3
QAM_TS_VALID
3 18
2Y4 1Y1 CI_TS_IN_VALID
4 17
QAM_TS_SYNC 1A2 2A4
U125
5 16
MPEG_TS_IN_SYNC 2Y3 1Y2
CI_TS_IN_SYNC
74LCX244
6 15
1A3 2A3 QAM_TS_SYNC
QAM_TS_CLK
7 14
MPEG_TS_IN_VALID
CI_TS_IN_CLK 2Y2 1Y3 CI_TS_IN_CLK
C391
2 8 13
QAM_TS_VALID
22p 1A4 2A2
1
50V
9 12
MPEG_TS_IN_CLK
2Y1 1Y4
NC (Close to CT216T)
10 11
GND 2A1 QAM_TS_CLK
* opt:with Cable
CAB/TER_AGC_SW
BUF1=MPEG Out to CI
1 6
B1 S
U135
2 5 * opt:with Cable
GND VCC 5V_DVB
FSA3157
R425
3 4 1
B0 A 3V3_BUF_DVB DIR VCC
2 4K7 1
2
A1
MPEG_TS_OUT_D7
S129
3
1 2 A2
IF_AGC_DVB MPEG_TS_OUT_D6
* only TER opt 4
MPEG_TS_OUT_D5 A3
U108
5
MPEG_TS_OUT_D4 A4
74LCX245
6
A5
MPEG_TS_OUT_D3
7
A6
MPEG_TS_OUT_D2
8 8
QAM_TS_D7 MPEG_TS_OUT_D1 A7
7 9
QAM_TS_D6 MPEG_TS_OUT_D0 A8
6 10
QAM_TS_D5 GND
5
QAM_TS_D4 R428
33R
1
3V3_QAM
MPEG_TS_OUT_D3 R1
2
R2
MPEG_TS_OUT_D2
3
1V_QAM
MPEG_TS_OUT_D1 R3
8 4
QAM_TS_D3 MPEG_TS_OUT_D0 R4
R429
7
QAM_TS_D2 33R
1
MPEG_TS_OUT_D7 R1
6
QAM_TS_D1
2
R2
MPEG_TS_OUT_D6
5
QAM_TS_D0
3
MPEG_TS_OUT_D5 R3
4
MPEG_TS_OUT_D4 R4
QAM_TS_VALID
1
BUF2=QAM to CI
QAM_TS_SYNC
1
QAM_TS_CLK
1
C188
2
15p
1
50V R202
1
3V3_BUF_DVB
1 4K7 2 DIR
2
QAM_TS_D0 A1
3
TS ROUTING
QAM_TS_D1 A2
4
A3
QAM_TS_D2
U107
5
A4
QAM_TS_D3
74LCX245
B1
6
QAM_TS_D4 A5
MPEG _TS_OUT CI_TS_IN
7
B4 QAM_TS_D5 A6
8
MPEG _TS_IN CI_T S_OUT
QAM_TS_D6 A7
9
A8
QAM_TS_D7
B2
10
QA M_TS_OUT GND
B3
QAM
* opt:with Cable
F153
1 2
3V3_BUF_DVB
330R
C235
2
10u
1
10V
3V3_BUF_DVB
* opt:without Cable
MPEG_TS_IN_SYNC 33R CI_TS_OUT_SYNC
2 1
R136
MPEG_TS_IN_VALID 33R CI_TS_OUT_VALID
MPEG_TS_OUT_VALID
2 1
R170
MPEG_TS_IN_CLK 33R CI_TS_OUT_CLK
MPEG_TS_OUT_SYNC
2 1
R173
C192
2
15p MPEG_TS_OUT_CLK
1
50V
DVB QAM & CI
BUF4=CI to MPEG IN
3V3_BUF_DVB
C230
2 * opt:with Cable
100N
1
10V R470
20 1
3V3_BUF_DVB DIR
3V3_BUF_DVB 2 4K7 1
19 2
OE- TS_SW1 A1
CI_TS_OUT_D0
18 3
B1 A2
CI_TS_IN_D7 CI_TS_OUT_D1
17 4
B2 CI_TS_IN_D6 CI_TS_OUT_D2 A3
16 5
B3 CI_TS_IN_D5 CI_TS_OUT_D3 A4
74LCX245
15 6
B4 A5
CI_TS_IN_D4 CI_TS_OUT_D4
14 7
B5 A6
CI_TS_IN_D3 CI_TS_OUT_D5
13 8
B6 CI_TS_IN_D2 CI_TS_OUT_D6 A7
12 9
B7 CI_TS_IN_D1 CI_TS_OUT_D7 A8
11 10
B8 CI_TS_IN_D0 GND
* opt:without Cable
8 1
CI_TS_IN_D3 CI_TS_OUT_D0
7 2
CI_TS_IN_D2 CI_TS_OUT_D1
6 3
CI_TS_IN_D1 CI_TS_OUT_D2
5 4
CI_TS_IN_D0 CI_TS_OUT_D3
* opt:without Cable
8 1
CI_TS_IN_D7 CI_TS_OUT_D4
7 2
CI_TS_IN_D6 CI_TS_OUT_D5
6 3
CI_TS_IN_D5 CI_TS_OUT_D6
5 4
CI_TS_IN_D4 CI_TS_OUT_D7
BUF3=QAM to MPEG_IN
C231 3V3_BUF_DVB
2
100N
1
10V
20
VCC 3V3_BUF_DVB
1
3V3_BUF_DVB 4K7
DIR
2 1
19
TS_SW2 R203
OE-
2
QAM_TS_D7 A1
18
B1 CI_TS_IN_D0
3
A2
QAM_TS_D6
17
B2
CI_TS_IN_D1
4
A3
QAM_TS_D5
16
B3
CI_TS_IN_D2
5
A4
QAM_TS_D4
15
B4 CI_TS_IN_D3 74LCX245
6
QAM_TS_D3 A5
14
B5 CI_TS_IN_D4
7
QAM_TS_D2 A6
13
B6 CI_TS_IN_D5
8
QAM_TS_D1 A7
12
B7
CI_TS_IN_D6
9
A8
QAM_TS_D0
11
B8
CI_TS_IN_D7
10
GND
* opt:with Cable
CI SOCKET
* opt:without Cable
33R
CI_TS_IN_VALID
2 1
R176
33R
CI_TS_IN_SYNC
2 1
R178
33R
CI_TS_IN_CLK
2 1
R179
3V3_BUF_DVB
C233
2
100N
1
10V
20
VCC
3V3_BUF_DVB
19
OE- TS_SW4
18
B1
MPEG_TS_IN_D0
17
B2 MPEG_TS_IN_D1
U105
16
B3 MPEG_TS_IN_D2
15
B4
MPEG_TS_IN_D3
14
B5
MPEG_TS_IN_D4
13
B6 MPEG_TS_IN_D5
12
B7 MPEG_TS_IN_D6
11
B8 MPEG_TS_IN_D7
R430
* opt:without Cable
33R
8
R1 MPEG_TS_IN_D0
7
R2
MPEG_TS_IN_D1
6
R3 MPEG_TS_IN_D2
5
R4 MPEG_TS_IN_D3
R431
* opt:without Cable
33R
8
R1 MPEG_TS_IN_D4
7
R2
MPEG_TS_IN_D5
6
R3 MPEG_TS_IN_D6
5
R4 MPEG_TS_IN_D7
C232 3V3_BUF_DVB
2
100N
1
10V
20
VCC 3V3_BUF_DVB
19
TS_SW3
OE-
18
B1
MPEG_TS_IN_D7
17
B2
MPEG_TS_IN_D6
U106
16
B3
MPEG_TS_IN_D5
15
B4 MPEG_TS_IN_D4
14
B5 MPEG_TS_IN_D3
13
B6 MPEG_TS_IN_D2
12
B7
MPEG_TS_IN_D1
11
B8 MPEG_TS_IN_D0