Hitachi 42LDF30UB Service Manual page 88

Table of Contents

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FUM Interface
R180
33R
1
8
R1
MPEG_TS_OUT_D0
CN109
2
7
2
1
R2
MPEG_TS_OUT_SYNC
F130
3
6
5V_DVB
1
2
4
3
R3
FUM_EN
330R
4
5
UART0_TXD0
6
5
R4
MPEG_TS_OUT_CLK
DSU_TXD0
UART0_RXD0
8
7
DSU_RXD0
10
9
R307
3V3D_DVB
2
4K7
1
MPEG_TS_OUT_VALID
R442
33R
1
8
MD0
R1
2
7
MD1
R2
3
6
MD2
R3
R441
4
5
MD3
R4
33R
1
MD4
R1
2
MD5
R2
3
MD6
R3
4
MD7
R4
R439
MDQM
33R
33R
1
8
1
MD15
R1
R186
2
7
MD14
R2
3
6
MD13
R3
R438
4
5
MD12
R4
33R
1
MD11
R1
2
MD10
R2
3
MD9
R3
4
MD8
R315
R4
MCLK_SDRAM
1
100R
2
3V3D_DVB
R452
MA12
33R
33R
1
2
1
MA11
R193
R1
2
MA9
R2
3
MA8
R3
R451
4
MA7
33R
R4
1
8
MA6
R1
2
7
MA5
R2
3
6
MA4
R3
4
5
MWE
R4
R443
1V8D_DVB
33R
1
MCAS
R1
2
MRAS
R2
3
MBS0
R3
4
MBS1
R4
R445
MA10
33R
33R
1
1
8
MA0
R187
R1
2
7
MA1
R2
3
6
MA2
R3
R444
4
5
MA3
R4
33R
1
CI_A14
R1
2
CI_A13
R2
3
CI_A12
R3
R446
4
CI_A11
33R
R4
1
8
CI_A10
R1
2
7
CI_A9
R2
3
6
CI_A8
R3
R437
4
5
CI_A7
R4
33R
1
CI_A6
R1
2
CI_A5
R2
3
CI_A4
R3
R450
4
CI_A3
33R
R4
1
8
CI_A2
R1
2
7
CI_A1
R2
3
6
CI_A0
R3
4
5
R4
SMART CARD INT ERFACE
SERIAL FLASH
1
U114
MX25L512
R190
1
8
SF_CS
1
33R
2
CS#
VCC
2
7
SF_DO
33R
SO
HOLD#
R191
1
2
3
6
R182
WP#
SCLK
1
33R
4
5
GND
SI
1
No. 0252
CI CO NTROL SIGNALS
SMART CARD INT ERFACE
SM_PWR_EN
R306
2
4K7
1
R308
2
4K7
1
1
MD0
2
MD1
3
MD2
4
MD3
8
5
MD4
7
6
MD5
6
7
MD6
5
8
MD7
9
MDQM
2
10
MD15
11
MD14
12
MD13
13
MD12
8
14
MD11
7
15
MD10
6
16
MD9
5
17
MD8
18
MCLK
CHEERTEK
19
VDD33_1
20
VSS_1
21
MA12/GPOC11
8
22
MA11/GPOC10
7
23
MA9
6
24
MA8
5
25
MA7
26
MA6
27
MA5
28
MA4
29
MWE#
30
VDD18_1
8
31
CAS#
7
32
RAS#
6
33
BS0
5
34
BS1/GPOC12
35
MA10
MPEG DECODER
2
36
MA0
37
MA1
38
MA2
39
MA3
8
40
HA14/GPOF14
7
41
HA13/GPOF13
6
42
HA12/GPOF12
5
43
HA11/GPOF11
44
HA10/GPOF10
45
HA9/GPOF9
46
HA8/GPOF8
47
HA7/PD7/GPOF7
8
48
HA6/PD6/GPOF6
7
49
HA5/PD5/GPOF5
6
50
HA4/PD4/GPOF4
5
51
HA3/PD3/GPOF3
52
HA2/PD2/GPOF2
53
HA1/PD1/GPOF1
54
HA0/PD0/GPOF0
SERIAL FLASH
C601
2
15p
CI DAT A BUS
TP124
50V
1
10V
C293
1
2
100N
10u
2
C240
1
10V
F142
1
2
3V3_VCC
330R
2
SF_CLK
MPEG DEC TS OUTPUT
33R
SF_DIO
2
R192
MPEG DEC TS INPUT
DVB MPEG Decoder and SDRAM
DVB VIDEO FILTER&AMP
1
ENC_CVBS
IN1
OUT1
2
ENC_PR
IN2
OUT2
3
ENC_PB
IN3
OUT3
F138
U139
4
5V_VCC
1
2
VCC
GND
330R
FMS6145
5
ENC_Y
IN4
OUT4
6
IN5
OUT5
7
NC1
NC2
C278
2
100N
1
10V
Comm.Port
162
GPG0
CAB/TER_AGC_SW
161
AVSS_3
160
AVO3
ENC_CVBS
159
AVD33_3
3V3A_DVB
158
AVO2
ENC_PR
157
AVSS_2
==>
156
AVO1
ENC_PB
155
AVD33_2
3V3A_DVB
154
27MHz VCXO
AVO0
ENC_Y
153
AVSS_1
R198
152
FSADJ
1
2
470R
151
VREF
150
AVD33_1
3V3A_DVB
149
AUDIO_DAC_VMID
C353
C239
148
1
2
AUDIO_DAC_L
1
TP122
100U
100N
147
1
AUDIO_DAC_R
1
TP120
10V
16V
2
146
GPC15/SPDIF
R317
145
GPA0/CLKO/PCMACK
1
100R
2
DVB_SPDIF
144
HAD8/PD0/GPOE8
143
HAD9/PD1/GPOE9
S130
142
XTAL_OUT
VDD18_2
1V8D_DVB
1
2
141
HAD10/PD2/GPOE10
140
XTAL_PWM
10K
HAD11/PD3/GPOE11
139
1
2
HAD12/PD4/GPOE12
R774
138
HAD13/PD5/GPOE13
137
HAD14/PD6/GPOE14
136
HAD15/PD7/GPOE15
R432
135
HA19/VSYN/GPOF19
33R
134
1
8
HA18/HSYN/GPOF18
R1
133
2
7
==>
GPA7/PWM3/PCMSD/SCXO
R2
I2S_DATA_DVB
132
3
6
GPA6/PWM2/PCMWS/SCXI
R3
I2S_WS_DVB
131
4
5
GPA5/PWM1/PCMCLK/TX2
R4
I2S_CLK_DVB
130
GPA4/PWM0/PCMACK/RX2
XTAL_PWM
129
UART0_TX/GPOC0
UART0_TXD0
128
UART0_RX
UART0_RXD0
127
SAR_ADC_IN1
126
SAR_ADC_IN0
125
VDD33_3
3V3D_DVB
124
VSS_2
123
OSCI
100R
27MHZ_IN
2
1
122
R319
OSCO
XTAL_OUT
121
GPC1/COFDM_ERR
1
TP123
120
GPA12/AGC_RF
R320
119
GPA11/AGC_IF
1
2
R316
100R
118
GPA15/SDA
1
2
R318
100R
SDA_TUN_DVB
117
GPA14/SCL
1
100R
2
SCL_TUN_DV B
116
C302
AVSS_PLL_2
115
VLFQ
114
1
2
C303
AVD33_PLL
3V3A_PLL_DVB
1N
113
VLFM
1
2
* Layout Req.
112
AVSS_PLL_1
1N
111
VCCA
3V3A_ADC_DVB
BC847B
110
3
VSSA
R762
109
VCCAX
1
2
2
4K7
1
5V_VCC
C265
C291
2
2
100N
10u
1
1
10V
10V
R330
R329
12V_VCC
1
2
1
47K
47K
C267
C255
2
2
100N
100N
3V3_VCC
1
1
10V
10V
10K
3V3_VCC
C300
1
2
R786
3
10K
R377
1
2
1
2
Q107
R785
CI_PWR_CTRL
1
10K
2
2
1n
BC847B
C301
DIGITAL_IF-
50V
1
2
S214
1
1
2
390nH
Place after QAM
1n
50V
DIGITAL_IF+
1
2
S215
DVB RESET
10K
1
2
R788
10K
3V3_VCC
RESET_DVB
F141
1
2
R787
1
2
1V8_VCC
330R
F140
DVB_RESET
1
2
3V3_VCC
330R
C286
C285
2
2
10u
10u
USB Connector GND
1
1
10V
10V
U134
MT48LC4M16A2TG8E
R461
14
2
75R
1
DVB_CVBS
1
3V3_SDRAM_DVB
VDD1
VSS3
C124
2
MD0
13
DQ0
DQ15
3
3V3_SDRAM_DVB
1
2
VDDQ1
VSSQ4
4
220p
MD1
DQ1
DQ14
12
R457
5
50V
MD2
DQ2
DQ13
2
75R
1
DVB_PR
6
11
VSSQ1
VDDQ4
7
MD3
DQ3
DQ12
C139
8
MD4
10
DQ4
DQ11
9
3V3_SDRAM_DVB
VDDQ2
VSSQ3
1
2
10
220p
MD5
DQ5
DQ10
9
R458
11
50V
MD6
DQ6
DQ9
2
1
75R
DVB_PB
12
8
VSSQ2
VDDQ3
C102
13
MD7
DQ7
DQ8
14
1
2
3V3_SDRAM_DVB
VDD2
VSS2
15
220p
MDQM
DQML
NC2
R459
16
50V
MWE
WE#
DQMH
2
1
75R
DVB_Y
17
MCAS
CAS#
CLK
C101
18
MRAS
RAS#
CKE
19
1
2
CS#
NC1
20
220p
MBS0
BA0
A11
21
50V
MBS1
BA1
A9
22
MA10
A10
A8
23
MA0
A0
A7
24
MA1
A1
A6
25
MA2
A2
A5
26
MA3
A3
A4
27
3V3_SDRAM_DVB
VDD3
VSS1
F137
3V3_VCC
1
2
330R
3V3D_DVB
C294
C245
C246
C247
2
2
2
2
1M
10u
100N
100N
100N
2
1
R789
1
10V
1
10V
1
10V
1
10V
X102
1
2
27MHZ
C244
C272
C236
2
2
2
U116
100N
100N
100N
1
1
1
PI6CX100-27
10V
10V
10V
1
8
X1
X2
2
7
NC1
NC2
3
6
VIN
VDD
R201
4
5
GND
CLKOUT
2
1
47R
27MHZ_IN
C281
C389
2
2
1U
10P
1
1
16V
50V
R525
1
6
USB_DIG_DP
2
10R
1
IO1
IO4
U113
2
5
GND
VDD
AZ099-04S
R550
3
4
2
1
IO2
IO3
USB_DIG_DM
10R
2
R551
USB_DIG_OCD
2
47K
1
RF_AGC_DVB
1
OUT
10K
10K
IF_AGC_COFDM
1
2
1
2
U148
R348
R371
C249
C248
2
GND
2
2
100N
100N
STMP2161
1
1
10V
10V
3
FAULT
C250
2
100N
1
10V
F135
3V3_VCC
1
2
330R
C352
1
100U
Q153
16V
2
F136
3V3_VCC
1
2
CI 5V SwitchCircuit
330R
C287
1
2
100U
16V
1
2
F139
F132
1
2
3V3_VCC
1
2
CI_PWR
330R
330R
C290
C242
C288
C261
C262
2
2
2
2
2
2
10u
100N
10u
100N
100N
1
1
1
1
1
1
10V
10V
10V
10V
10V
2
F133
3V3_VCC
1
2
330R
C289
C273
2
2
2
10u
100N
1
1
1
10V
10V
F134
1V8_VCC
1
2
330R
C295
C256
2
2
2
10u
100N
1
1
1
10V
10V
33R
2
1
R185
SDRAM
54
53
MD15
52
51
MD14
50
MD13
49
3V3_SDRAM_DVB
48
MD12
47
MD11
46
45
MD10
44
MD9
43
3V3_SDRAM_DVB
42
MD8
41
40
39
MDQM
38
MCLK_SDRAM
37
3V3_SDRAM_DVB
36
MA12
35
MA11
34
MA9
33
MA8
32
MA7
31
MA6
30
MA5
29
MA4
28
3V3_SDRAM_DVB
C243
2
100N
1
10V
3V3_SDRAM_DVB
C237
2
100N
1
10V
F131
1
2
330R
4
3
2
F152
1
1
330R
C161
CN125
2
10U
1
10V
5
5V_VCC
IN
4
EN
USB_ENABLE
3V3A_PLL_DVB
C252
2
100N
1
10V
3V3A_ADC_DVB
C253
100N
10V
3V3D_DVB
C260
C263
2
100N
100N
1
10V
10V
3V3A_DVB
C259
C258
2
100N
100N
1
10V
10V
1V8D_DVB
C257
C264
2
100N
100N
1
10V
10V

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