RDR-HXD790/HXD795/HXD890/HXD895/HXD990/HXD995/HXD1090/HXD1095
For Schematic Diagram
• Refer to page 4-3 for waveforms.
• Refer to page 4-47 for printed wiring board.
1
DT-124 BOARD(3/3)
DIGITAL TUNER
A
-REF.NO.: 40,000 SERIES-
B
C
B+
DET_ANT
D
ANT5V_SW
4
T O ( 1 / 3 )
E
XCOFDM_RESET
I2C_SCL_DTBR
I2C_SDA_DTBR
DT_TUON
P_CONT2
P_CONT
F
FAN-
GNDT
R348
0
E
KN301
FAN
CN203
FAN+
FAN-
G
P_CONT
SW+3.3V
GND
TO
SW+3.3V
POWER BLOCK
GND
CN202
THROUGH THE
V+5.8E
PD-142 HARNESS
V+5.8E
GND
(SEE PAGE 4-40)
EV+12.1V
(SEE PAGE 4-42)
GND
SW+1.5V
SW+1.5V
H
I
J
Note :
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
DIGITAL TUNER
DT-124 (3/3)
2
3
4
DIGITAL AERIAL
IN
C364
C368
0.1
100
25V
F
16V
F310
0uH
F313
0uH
L314
0uH
C383
C385
C391
C393
0.1
47
0.01
2.2
25V
16V
10V
25V
F
B
B
2012
R313
5
4.7k
Q306
ISA1602AM1TP-1EF
R326
R314
5
Q308
PROTECT DET
4.7k
4.7k
2SC4154TP-1EF
0
R351
PROTECT DET
10k
0
4.9
R358
0
22k
0
R353
Q307
R315
R321
22k
R359
0
2SC4154TP-1EF
4.7k
10k
10k
1.9
PROTECT DET
C320
C313
4.7
4.7
0
6.3V
6.3V
B
B
Q309
R363
2012
2012
DTC143EUA-T106
10k
R319
Q310
R352
PROTECT DET
10k
47k
DTC143EUA-T106
PROTECT DET
IC309
IC309
FPF2007
0
4.9
5V SW
ON
FLAGB
GND
5
0
VIN
VOUT
D302
TP300
SM15T6V8A
D303
F306
0uH
1SS355TE-17
C359
C354
C353
0.1
10
C382
C381
C380
C372
R311
C370
1
100
100
0.1
0.1
680
100p
25V
10V
16V
F
16V
16V
25V
25V
50V
B
F
F
R349
R3117
R3116
R3115
R3114
R689
R690
R691
R692
R693
R343
R345
R347
0
0
0
0
0
0
0
0
0
0
0
0
0
R350
0
C600
B+
0.1
R650
0
2P
TP582
2012
B+
1
TP626
2
R703
0
2012
CN202
12P
TP577
1
B+
TP574
2
TP576
C595
3
220
IC312
4V
4
C594
5
0.1
5V REG
B+
B+
TP573
6
C599
C598
7
0.1
100
16V
TP339
8
B+
TP572
C388
9
1
C593
C601
10V
100
10
0.1
B
TP575
16V
11
B+
R307
12
0
C596
C597
220
0.1
4V
TP340
C309
1
B
C318
100
16V
4-19
5
6
7
OUT
U301
DTT TUNER
C373
2.2
10V
R309
B
R312
2012
100
2.2k
R316
0
R310
2.2k
F397
R336
0uH
0
F398
R337
0uH
0
C409
0.1
C367
10
50V
C413
F309
0.1
0uH
16V
C361
C406
C408
B
C356
1
0.1
22p
50V
22p
10V
25V
R674
50V
F
F
48
47
46
45
44
43
TP612
C399
49
0.1
TP613
25V
50
F
1.7
51
IC313
2
52
C402
0
12p
R668
0
53
50V
X300
1608
20MHz
54
55
1.6
56
1.6
57
3.2
C397
58
10p
C398
TP614
50V
0.1
59
25V
3.2
F
60
3.2
61
3.2
R325
R327
R687
62
18k
10k
2
390
63
TP618
R331
64
R672
F321
3.3k
560
0uH
TP619
C396
C400
0.022
0.022
25V
25V
1
2
3
4
5
6
B
B
C416
0.1
25V
F
C417
1
R333
10V
B+
F
100
B+
B+
R356 0
TP326
TP301
IC312
S-1132B50-U5T1G
5.6
5
5
Vin
Vout
1
GND
2
4.8
4
ON/OFF
NC
3
C404
2.2
10V
B
TP531
2012
IC304
5V REG
IC304
C339
S-1132B50-U5T1G
100
R306
16V
5.6
4.9
0
TP315
5
Vin
Vout
1
GND
2
4.8
4
ON/OFF
NC
3
C332
2.2
B
TP532
2012
RDR-HXD795/HXD895
IC306
/HXD995/HXD1095
5V REG
IC306
S-1170B50UC-OUJTFG
4.7
2.4
TP317
ON/OFF
VOUT
VSS
5.6
C314
NC
VIN
C334
4.7
C423
4.7
C329
6.3V
0.1
6.3V
100
B
B
25V
TP533
16V
2012
2012
F
8
9
10
SIGNAL PATH
VIDEO SIGNAL
CHROMA
Y
Y/CHROMA
REC
PB
C412
C415
0.1
0.1
R673
25V
25V
0
0
F
F
42
41
40
39
38
37
36
35
34
33
0
TP313
32
0
TP312
31
0
TP311
30
R678
0
75
TP310
29
0
TP309
28
0
OFDM
TP308
27
DEMODULATOR
0
TP307
26
R679
0
TP306
75
IC313
25
DRX3975D
3.2
C421
24
1
10V
23
F
R686
0
TP342
10k
22
R680
0
TP314
33
21
R685
20
C422
1.7
10k
0.1
19
25V
R681
0
TP304
F
33
18
1.6
R682
TP305
33
17
7
8
9
10
11
12
13
14
15
16
B+
B+
L315
0uH
C392
C395
2.2
47
10V
16V
C418
1
R342
F317
TP302
3.9k
0uH
R341
F318
TP303
3.9k
0uH
B+
IC300
B+
IC300
S-1170B25UC-OTKTFG
2.5V REG
3.2
2.4
TP520
ON/OFF
VOUT
F300
VSS
3.2
0uH
NC
VIN
C433
C315
C324
C302
4.7
4.7
100
22
B
B
16V
TP535
2012
6.3V
2012
R303
0
TP585
C602
B+
F314
C603
4.7
B
0uH
22
6.3V
2012
R300
0
TP325
C301
1
B
TP536
F301
0uH
B+
TP322
TP323
R357
TP338
B+
0
TP324
C304
F302
C342
C343
1
0uH
47
10V
47
TP537
16V
B
16V
C307
C312
100
10
16V
2012
IC307
TP538
R304
MM1689FHBE
10k
3.1
PS2
NC
3.1
PS1
GND
R355
3.2
1.7
0
TP328
VIN2
VO2
3.2
1.7
TP327
VIN1
VO1
R305
R354
C431
0
0
2.2
10V
B
2012
C303
C319
100p
100
IC307
C341
C340
50V
16V
1
1
10V
10V
B
B
REG
4-20
11
AUDI O
SIGNAL
TS1_DATA7
TS1_DATA6
TS1_DATA5
TS1_DATA4
TS1_DATA3
TS1_DATA2
TS1_DATA1
TS1_DATA0
TS1_MSTRT
5
TS1_MVAL
T O ( 2 / 3 )
TS1_MCLK
GNDD
V+3.3DT
VD+3.3D
V+5CI
V+32VT
V+5VA
V+12.1EV
V+1.5V
V+5.8E
V+2.5D
VD+3.3D
VA+3.3A
3
T O ( 1 / 3 )
GNDD